auto import from //depot/cupcake/@135843

6 files changed, 0 insertions, 8204 deletions

diff --git a/fpu/softfloat-macros.h b/fpu/softfloat-macros.h
deleted file mode 100644
index 2c8f18b..0000000
--- a/fpu/softfloat-macros.h
+++ /dev/null
@@ -1,720 +0,0 @@
-
-/*============================================================================
-
-This C source fragment is part of the SoftFloat IEC/IEEE Floating-point
-Arithmetic Package, Release 2b.
-
-Written by John R. Hauser.  This work was made possible in part by the
-International Computer Science Institute, located at Suite 600, 1947 Center
-Street, Berkeley, California 94704.  Funding was partially provided by the
-National Science Foundation under grant MIP-9311980.  The original version
-of this code was written as part of a project to build a fixed-point vector
-processor in collaboration with the University of California at Berkeley,
-overseen by Profs. Nelson Morgan and John Wawrzynek.  More information
-is available through the Web page `http://www.cs.berkeley.edu/~jhauser/
-arithmetic/SoftFloat.html'.
-
-THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort has
-been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
-RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
-AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ALL LOSSES,
-COSTS, OR OTHER PROBLEMS THEY INCUR DUE TO THE SOFTWARE, AND WHO FURTHERMORE
-EFFECTIVELY INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE
-INSTITUTE (possibly via similar legal notice) AGAINST ALL LOSSES, COSTS, OR
-OTHER PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE.
-
-Derivative works are acceptable, even for commercial purposes, so long as
-(1) the source code for the derivative work includes prominent notice that
-the work is derivative, and (2) the source code includes prominent notice with
-these four paragraphs for those parts of this code that are retained.
-
-=============================================================================*/
-
-/*----------------------------------------------------------------------------
-| Shifts `a' right by the number of bits given in `count'.  If any nonzero
-| bits are shifted off, they are ``jammed'' into the least significant bit of
-| the result by setting the least significant bit to 1.  The value of `count'
-| can be arbitrarily large; in particular, if `count' is greater than 32, the
-| result will be either 0 or 1, depending on whether `a' is zero or nonzero.
-| The result is stored in the location pointed to by `zPtr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void shift32RightJamming( bits32 a, int16 count, bits32 *zPtr )
-{
-    bits32 z;
-
-    if ( count == 0 ) {
-        z = a;
-    }
-    else if ( count < 32 ) {
-        z = ( a>>count ) | ( ( a<<( ( - count ) & 31 ) ) != 0 );
-    }
-    else {
-        z = ( a != 0 );
-    }
-    *zPtr = z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Shifts `a' right by the number of bits given in `count'.  If any nonzero
-| bits are shifted off, they are ``jammed'' into the least significant bit of
-| the result by setting the least significant bit to 1.  The value of `count'
-| can be arbitrarily large; in particular, if `count' is greater than 64, the
-| result will be either 0 or 1, depending on whether `a' is zero or nonzero.
-| The result is stored in the location pointed to by `zPtr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void shift64RightJamming( bits64 a, int16 count, bits64 *zPtr )
-{
-    bits64 z;
-
-    if ( count == 0 ) {
-        z = a;
-    }
-    else if ( count < 64 ) {
-        z = ( a>>count ) | ( ( a<<( ( - count ) & 63 ) ) != 0 );
-    }
-    else {
-        z = ( a != 0 );
-    }
-    *zPtr = z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Shifts the 128-bit value formed by concatenating `a0' and `a1' right by 64
-| _plus_ the number of bits given in `count'.  The shifted result is at most
-| 64 nonzero bits; this is stored at the location pointed to by `z0Ptr'.  The
-| bits shifted off form a second 64-bit result as follows:  The _last_ bit
-| shifted off is the most-significant bit of the extra result, and the other
-| 63 bits of the extra result are all zero if and only if _all_but_the_last_
-| bits shifted off were all zero.  This extra result is stored in the location
-| pointed to by `z1Ptr'.  The value of `count' can be arbitrarily large.
-|     (This routine makes more sense if `a0' and `a1' are considered to form
-| a fixed-point value with binary point between `a0' and `a1'.  This fixed-
-| point value is shifted right by the number of bits given in `count', and
-| the integer part of the result is returned at the location pointed to by
-| `z0Ptr'.  The fractional part of the result may be slightly corrupted as
-| described above, and is returned at the location pointed to by `z1Ptr'.)
-*----------------------------------------------------------------------------*/
-
-INLINE void
- shift64ExtraRightJamming(
-     bits64 a0, bits64 a1, int16 count, bits64 *z0Ptr, bits64 *z1Ptr )
-{
-    bits64 z0, z1;
-    int8 negCount = ( - count ) & 63;
-
-    if ( count == 0 ) {
-        z1 = a1;
-        z0 = a0;
-    }
-    else if ( count < 64 ) {
-        z1 = ( a0<<negCount ) | ( a1 != 0 );
-        z0 = a0>>count;
-    }
-    else {
-        if ( count == 64 ) {
-            z1 = a0 | ( a1 != 0 );
-        }
-        else {
-            z1 = ( ( a0 | a1 ) != 0 );
-        }
-        z0 = 0;
-    }
-    *z1Ptr = z1;
-    *z0Ptr = z0;
-
-}
-
-/*----------------------------------------------------------------------------
-| Shifts the 128-bit value formed by concatenating `a0' and `a1' right by the
-| number of bits given in `count'.  Any bits shifted off are lost.  The value
-| of `count' can be arbitrarily large; in particular, if `count' is greater
-| than 128, the result will be 0.  The result is broken into two 64-bit pieces
-| which are stored at the locations pointed to by `z0Ptr' and `z1Ptr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void
- shift128Right(
-     bits64 a0, bits64 a1, int16 count, bits64 *z0Ptr, bits64 *z1Ptr )
-{
-    bits64 z0, z1;
-    int8 negCount = ( - count ) & 63;
-
-    if ( count == 0 ) {
-        z1 = a1;
-        z0 = a0;
-    }
-    else if ( count < 64 ) {
-        z1 = ( a0<<negCount ) | ( a1>>count );
-        z0 = a0>>count;
-    }
-    else {
-        z1 = ( count < 64 ) ? ( a0>>( count & 63 ) ) : 0;
-        z0 = 0;
-    }
-    *z1Ptr = z1;
-    *z0Ptr = z0;
-
-}
-
-/*----------------------------------------------------------------------------
-| Shifts the 128-bit value formed by concatenating `a0' and `a1' right by the
-| number of bits given in `count'.  If any nonzero bits are shifted off, they
-| are ``jammed'' into the least significant bit of the result by setting the
-| least significant bit to 1.  The value of `count' can be arbitrarily large;
-| in particular, if `count' is greater than 128, the result will be either
-| 0 or 1, depending on whether the concatenation of `a0' and `a1' is zero or
-| nonzero.  The result is broken into two 64-bit pieces which are stored at
-| the locations pointed to by `z0Ptr' and `z1Ptr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void
- shift128RightJamming(
-     bits64 a0, bits64 a1, int16 count, bits64 *z0Ptr, bits64 *z1Ptr )
-{
-    bits64 z0, z1;
-    int8 negCount = ( - count ) & 63;
-
-    if ( count == 0 ) {
-        z1 = a1;
-        z0 = a0;
-    }
-    else if ( count < 64 ) {
-        z1 = ( a0<<negCount ) | ( a1>>count ) | ( ( a1<<negCount ) != 0 );
-        z0 = a0>>count;
-    }
-    else {
-        if ( count == 64 ) {
-            z1 = a0 | ( a1 != 0 );
-        }
-        else if ( count < 128 ) {
-            z1 = ( a0>>( count & 63 ) ) | ( ( ( a0<<negCount ) | a1 ) != 0 );
-        }
-        else {
-            z1 = ( ( a0 | a1 ) != 0 );
-        }
-        z0 = 0;
-    }
-    *z1Ptr = z1;
-    *z0Ptr = z0;
-
-}
-
-/*----------------------------------------------------------------------------
-| Shifts the 192-bit value formed by concatenating `a0', `a1', and `a2' right
-| by 64 _plus_ the number of bits given in `count'.  The shifted result is
-| at most 128 nonzero bits; these are broken into two 64-bit pieces which are
-| stored at the locations pointed to by `z0Ptr' and `z1Ptr'.  The bits shifted
-| off form a third 64-bit result as follows:  The _last_ bit shifted off is
-| the most-significant bit of the extra result, and the other 63 bits of the
-| extra result are all zero if and only if _all_but_the_last_ bits shifted off
-| were all zero.  This extra result is stored in the location pointed to by
-| `z2Ptr'.  The value of `count' can be arbitrarily large.
-|     (This routine makes more sense if `a0', `a1', and `a2' are considered
-| to form a fixed-point value with binary point between `a1' and `a2'.  This
-| fixed-point value is shifted right by the number of bits given in `count',
-| and the integer part of the result is returned at the locations pointed to
-| by `z0Ptr' and `z1Ptr'.  The fractional part of the result may be slightly
-| corrupted as described above, and is returned at the location pointed to by
-| `z2Ptr'.)
-*----------------------------------------------------------------------------*/
-
-INLINE void
- shift128ExtraRightJamming(
-     bits64 a0,
-     bits64 a1,
-     bits64 a2,
-     int16 count,
-     bits64 *z0Ptr,
-     bits64 *z1Ptr,
-     bits64 *z2Ptr
- )
-{
-    bits64 z0, z1, z2;
-    int8 negCount = ( - count ) & 63;
-
-    if ( count == 0 ) {
-        z2 = a2;
-        z1 = a1;
-        z0 = a0;
-    }
-    else {
-        if ( count < 64 ) {
-            z2 = a1<<negCount;
-            z1 = ( a0<<negCount ) | ( a1>>count );
-            z0 = a0>>count;
-        }
-        else {
-            if ( count == 64 ) {
-                z2 = a1;
-                z1 = a0;
-            }
-            else {
-                a2 |= a1;
-                if ( count < 128 ) {
-                    z2 = a0<<negCount;
-                    z1 = a0>>( count & 63 );
-                }
-                else {
-                    z2 = ( count == 128 ) ? a0 : ( a0 != 0 );
-                    z1 = 0;
-                }
-            }
-            z0 = 0;
-        }
-        z2 |= ( a2 != 0 );
-    }
-    *z2Ptr = z2;
-    *z1Ptr = z1;
-    *z0Ptr = z0;
-
-}
-
-/*----------------------------------------------------------------------------
-| Shifts the 128-bit value formed by concatenating `a0' and `a1' left by the
-| number of bits given in `count'.  Any bits shifted off are lost.  The value
-| of `count' must be less than 64.  The result is broken into two 64-bit
-| pieces which are stored at the locations pointed to by `z0Ptr' and `z1Ptr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void
- shortShift128Left(
-     bits64 a0, bits64 a1, int16 count, bits64 *z0Ptr, bits64 *z1Ptr )
-{
-
-    *z1Ptr = a1<<count;
-    *z0Ptr =
-        ( count == 0 ) ? a0 : ( a0<<count ) | ( a1>>( ( - count ) & 63 ) );
-
-}
-
-/*----------------------------------------------------------------------------
-| Shifts the 192-bit value formed by concatenating `a0', `a1', and `a2' left
-| by the number of bits given in `count'.  Any bits shifted off are lost.
-| The value of `count' must be less than 64.  The result is broken into three
-| 64-bit pieces which are stored at the locations pointed to by `z0Ptr',
-| `z1Ptr', and `z2Ptr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void
- shortShift192Left(
-     bits64 a0,
-     bits64 a1,
-     bits64 a2,
-     int16 count,
-     bits64 *z0Ptr,
-     bits64 *z1Ptr,
-     bits64 *z2Ptr
- )
-{
-    bits64 z0, z1, z2;
-    int8 negCount;
-
-    z2 = a2<<count;
-    z1 = a1<<count;
-    z0 = a0<<count;
-    if ( 0 < count ) {
-        negCount = ( ( - count ) & 63 );
-        z1 |= a2>>negCount;
-        z0 |= a1>>negCount;
-    }
-    *z2Ptr = z2;
-    *z1Ptr = z1;
-    *z0Ptr = z0;
-
-}
-
-/*----------------------------------------------------------------------------
-| Adds the 128-bit value formed by concatenating `a0' and `a1' to the 128-bit
-| value formed by concatenating `b0' and `b1'.  Addition is modulo 2^128, so
-| any carry out is lost.  The result is broken into two 64-bit pieces which
-| are stored at the locations pointed to by `z0Ptr' and `z1Ptr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void
- add128(
-     bits64 a0, bits64 a1, bits64 b0, bits64 b1, bits64 *z0Ptr, bits64 *z1Ptr )
-{
-    bits64 z1;
-
-    z1 = a1 + b1;
-    *z1Ptr = z1;
-    *z0Ptr = a0 + b0 + ( z1 < a1 );
-
-}
-
-/*----------------------------------------------------------------------------
-| Adds the 192-bit value formed by concatenating `a0', `a1', and `a2' to the
-| 192-bit value formed by concatenating `b0', `b1', and `b2'.  Addition is
-| modulo 2^192, so any carry out is lost.  The result is broken into three
-| 64-bit pieces which are stored at the locations pointed to by `z0Ptr',
-| `z1Ptr', and `z2Ptr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void
- add192(
-     bits64 a0,
-     bits64 a1,
-     bits64 a2,
-     bits64 b0,
-     bits64 b1,
-     bits64 b2,
-     bits64 *z0Ptr,
-     bits64 *z1Ptr,
-     bits64 *z2Ptr
- )
-{
-    bits64 z0, z1, z2;
-    int8 carry0, carry1;
-
-    z2 = a2 + b2;
-    carry1 = ( z2 < a2 );
-    z1 = a1 + b1;
-    carry0 = ( z1 < a1 );
-    z0 = a0 + b0;
-    z1 += carry1;
-    z0 += ( z1 < carry1 );
-    z0 += carry0;
-    *z2Ptr = z2;
-    *z1Ptr = z1;
-    *z0Ptr = z0;
-
-}
-
-/*----------------------------------------------------------------------------
-| Subtracts the 128-bit value formed by concatenating `b0' and `b1' from the
-| 128-bit value formed by concatenating `a0' and `a1'.  Subtraction is modulo
-| 2^128, so any borrow out (carry out) is lost.  The result is broken into two
-| 64-bit pieces which are stored at the locations pointed to by `z0Ptr' and
-| `z1Ptr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void
- sub128(
-     bits64 a0, bits64 a1, bits64 b0, bits64 b1, bits64 *z0Ptr, bits64 *z1Ptr )
-{
-
-    *z1Ptr = a1 - b1;
-    *z0Ptr = a0 - b0 - ( a1 < b1 );
-
-}
-
-/*----------------------------------------------------------------------------
-| Subtracts the 192-bit value formed by concatenating `b0', `b1', and `b2'
-| from the 192-bit value formed by concatenating `a0', `a1', and `a2'.
-| Subtraction is modulo 2^192, so any borrow out (carry out) is lost.  The
-| result is broken into three 64-bit pieces which are stored at the locations
-| pointed to by `z0Ptr', `z1Ptr', and `z2Ptr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void
- sub192(
-     bits64 a0,
-     bits64 a1,
-     bits64 a2,
-     bits64 b0,
-     bits64 b1,
-     bits64 b2,
-     bits64 *z0Ptr,
-     bits64 *z1Ptr,
-     bits64 *z2Ptr
- )
-{
-    bits64 z0, z1, z2;
-    int8 borrow0, borrow1;
-
-    z2 = a2 - b2;
-    borrow1 = ( a2 < b2 );
-    z1 = a1 - b1;
-    borrow0 = ( a1 < b1 );
-    z0 = a0 - b0;
-    z0 -= ( z1 < borrow1 );
-    z1 -= borrow1;
-    z0 -= borrow0;
-    *z2Ptr = z2;
-    *z1Ptr = z1;
-    *z0Ptr = z0;
-
-}
-
-/*----------------------------------------------------------------------------
-| Multiplies `a' by `b' to obtain a 128-bit product.  The product is broken
-| into two 64-bit pieces which are stored at the locations pointed to by
-| `z0Ptr' and `z1Ptr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void mul64To128( bits64 a, bits64 b, bits64 *z0Ptr, bits64 *z1Ptr )
-{
-    bits32 aHigh, aLow, bHigh, bLow;
-    bits64 z0, zMiddleA, zMiddleB, z1;
-
-    aLow = a;
-    aHigh = a>>32;
-    bLow = b;
-    bHigh = b>>32;
-    z1 = ( (bits64) aLow ) * bLow;
-    zMiddleA = ( (bits64) aLow ) * bHigh;
-    zMiddleB = ( (bits64) aHigh ) * bLow;
-    z0 = ( (bits64) aHigh ) * bHigh;
-    zMiddleA += zMiddleB;
-    z0 += ( ( (bits64) ( zMiddleA < zMiddleB ) )<<32 ) + ( zMiddleA>>32 );
-    zMiddleA <<= 32;
-    z1 += zMiddleA;
-    z0 += ( z1 < zMiddleA );
-    *z1Ptr = z1;
-    *z0Ptr = z0;
-
-}
-
-/*----------------------------------------------------------------------------
-| Multiplies the 128-bit value formed by concatenating `a0' and `a1' by
-| `b' to obtain a 192-bit product.  The product is broken into three 64-bit
-| pieces which are stored at the locations pointed to by `z0Ptr', `z1Ptr', and
-| `z2Ptr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void
- mul128By64To192(
-     bits64 a0,
-     bits64 a1,
-     bits64 b,
-     bits64 *z0Ptr,
-     bits64 *z1Ptr,
-     bits64 *z2Ptr
- )
-{
-    bits64 z0, z1, z2, more1;
-
-    mul64To128( a1, b, &z1, &z2 );
-    mul64To128( a0, b, &z0, &more1 );
-    add128( z0, more1, 0, z1, &z0, &z1 );
-    *z2Ptr = z2;
-    *z1Ptr = z1;
-    *z0Ptr = z0;
-
-}
-
-/*----------------------------------------------------------------------------
-| Multiplies the 128-bit value formed by concatenating `a0' and `a1' to the
-| 128-bit value formed by concatenating `b0' and `b1' to obtain a 256-bit
-| product.  The product is broken into four 64-bit pieces which are stored at
-| the locations pointed to by `z0Ptr', `z1Ptr', `z2Ptr', and `z3Ptr'.
-*----------------------------------------------------------------------------*/
-
-INLINE void
- mul128To256(
-     bits64 a0,
-     bits64 a1,
-     bits64 b0,
-     bits64 b1,
-     bits64 *z0Ptr,
-     bits64 *z1Ptr,
-     bits64 *z2Ptr,
-     bits64 *z3Ptr
- )
-{
-    bits64 z0, z1, z2, z3;
-    bits64 more1, more2;
-
-    mul64To128( a1, b1, &z2, &z3 );
-    mul64To128( a1, b0, &z1, &more2 );
-    add128( z1, more2, 0, z2, &z1, &z2 );
-    mul64To128( a0, b0, &z0, &more1 );
-    add128( z0, more1, 0, z1, &z0, &z1 );
-    mul64To128( a0, b1, &more1, &more2 );
-    add128( more1, more2, 0, z2, &more1, &z2 );
-    add128( z0, z1, 0, more1, &z0, &z1 );
-    *z3Ptr = z3;
-    *z2Ptr = z2;
-    *z1Ptr = z1;
-    *z0Ptr = z0;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns an approximation to the 64-bit integer quotient obtained by dividing
-| `b' into the 128-bit value formed by concatenating `a0' and `a1'.  The
-| divisor `b' must be at least 2^63.  If q is the exact quotient truncated
-| toward zero, the approximation returned lies between q and q + 2 inclusive.
-| If the exact quotient q is larger than 64 bits, the maximum positive 64-bit
-| unsigned integer is returned.
-*----------------------------------------------------------------------------*/
-
-static bits64 estimateDiv128To64( bits64 a0, bits64 a1, bits64 b )
-{
-    bits64 b0, b1;
-    bits64 rem0, rem1, term0, term1;
-    bits64 z;
-
-    if ( b <= a0 ) return LIT64( 0xFFFFFFFFFFFFFFFF );
-    b0 = b>>32;
-    z = ( b0<<32 <= a0 ) ? LIT64( 0xFFFFFFFF00000000 ) : ( a0 / b0 )<<32;
-    mul64To128( b, z, &term0, &term1 );
-    sub128( a0, a1, term0, term1, &rem0, &rem1 );
-    while ( ( (sbits64) rem0 ) < 0 ) {
-        z -= LIT64( 0x100000000 );
-        b1 = b<<32;
-        add128( rem0, rem1, b0, b1, &rem0, &rem1 );
-    }
-    rem0 = ( rem0<<32 ) | ( rem1>>32 );
-    z |= ( b0<<32 <= rem0 ) ? 0xFFFFFFFF : rem0 / b0;
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns an approximation to the square root of the 32-bit significand given
-| by `a'.  Considered as an integer, `a' must be at least 2^31.  If bit 0 of
-| `aExp' (the least significant bit) is 1, the integer returned approximates
-| 2^31*sqrt(`a'/2^31), where `a' is considered an integer.  If bit 0 of `aExp'
-| is 0, the integer returned approximates 2^31*sqrt(`a'/2^30).  In either
-| case, the approximation returned lies strictly within +/-2 of the exact
-| value.
-*----------------------------------------------------------------------------*/
-
-static bits32 estimateSqrt32( int16 aExp, bits32 a )
-{
-    static const bits16 sqrtOddAdjustments[] = {
-        0x0004, 0x0022, 0x005D, 0x00B1, 0x011D, 0x019F, 0x0236, 0x02E0,
-        0x039C, 0x0468, 0x0545, 0x0631, 0x072B, 0x0832, 0x0946, 0x0A67
-    };
-    static const bits16 sqrtEvenAdjustments[] = {
-        0x0A2D, 0x08AF, 0x075A, 0x0629, 0x051A, 0x0429, 0x0356, 0x029E,
-        0x0200, 0x0179, 0x0109, 0x00AF, 0x0068, 0x0034, 0x0012, 0x0002
-    };
-    int8 index;
-    bits32 z;
-
-    index = ( a>>27 ) & 15;
-    if ( aExp & 1 ) {
-        z = 0x4000 + ( a>>17 ) - sqrtOddAdjustments[ index ];
-        z = ( ( a / z )<<14 ) + ( z<<15 );
-        a >>= 1;
-    }
-    else {
-        z = 0x8000 + ( a>>17 ) - sqrtEvenAdjustments[ index ];
-        z = a / z + z;
-        z = ( 0x20000 <= z ) ? 0xFFFF8000 : ( z<<15 );
-        if ( z <= a ) return (bits32) ( ( (sbits32) a )>>1 );
-    }
-    return ( (bits32) ( ( ( (bits64) a )<<31 ) / z ) ) + ( z>>1 );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the number of leading 0 bits before the most-significant 1 bit of
-| `a'.  If `a' is zero, 32 is returned.
-*----------------------------------------------------------------------------*/
-
-static int8 countLeadingZeros32( bits32 a )
-{
-    static const int8 countLeadingZerosHigh[] = {
-        8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
-        3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-        2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-        2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-    };
-    int8 shiftCount;
-
-    shiftCount = 0;
-    if ( a < 0x10000 ) {
-        shiftCount += 16;
-        a <<= 16;
-    }
-    if ( a < 0x1000000 ) {
-        shiftCount += 8;
-        a <<= 8;
-    }
-    shiftCount += countLeadingZerosHigh[ a>>24 ];
-    return shiftCount;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the number of leading 0 bits before the most-significant 1 bit of
-| `a'.  If `a' is zero, 64 is returned.
-*----------------------------------------------------------------------------*/
-
-static int8 countLeadingZeros64( bits64 a )
-{
-    int8 shiftCount;
-
-    shiftCount = 0;
-    if ( a < ( (bits64) 1 )<<32 ) {
-        shiftCount += 32;
-    }
-    else {
-        a >>= 32;
-    }
-    shiftCount += countLeadingZeros32( a );
-    return shiftCount;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the 128-bit value formed by concatenating `a0' and `a1'
-| is equal to the 128-bit value formed by concatenating `b0' and `b1'.
-| Otherwise, returns 0.
-*----------------------------------------------------------------------------*/
-
-INLINE flag eq128( bits64 a0, bits64 a1, bits64 b0, bits64 b1 )
-{
-
-    return ( a0 == b0 ) && ( a1 == b1 );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the 128-bit value formed by concatenating `a0' and `a1' is less
-| than or equal to the 128-bit value formed by concatenating `b0' and `b1'.
-| Otherwise, returns 0.
-*----------------------------------------------------------------------------*/
-
-INLINE flag le128( bits64 a0, bits64 a1, bits64 b0, bits64 b1 )
-{
-
-    return ( a0 < b0 ) || ( ( a0 == b0 ) && ( a1 <= b1 ) );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the 128-bit value formed by concatenating `a0' and `a1' is less
-| than the 128-bit value formed by concatenating `b0' and `b1'.  Otherwise,
-| returns 0.
-*----------------------------------------------------------------------------*/
-
-INLINE flag lt128( bits64 a0, bits64 a1, bits64 b0, bits64 b1 )
-{
-
-    return ( a0 < b0 ) || ( ( a0 == b0 ) && ( a1 < b1 ) );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the 128-bit value formed by concatenating `a0' and `a1' is
-| not equal to the 128-bit value formed by concatenating `b0' and `b1'.
-| Otherwise, returns 0.
-*----------------------------------------------------------------------------*/
-
-INLINE flag ne128( bits64 a0, bits64 a1, bits64 b0, bits64 b1 )
-{
-
-    return ( a0 != b0 ) || ( a1 != b1 );
-
-}
-
diff --git a/fpu/softfloat-native.c b/fpu/softfloat-native.c
deleted file mode 100644
index e58551f..0000000
--- a/fpu/softfloat-native.c
+++ /dev/null
@@ -1,505 +0,0 @@
-/* Native implementation of soft float functions. Only a single status
-   context is supported */
-#include "softfloat.h"
-#include <math.h>
-
-void set_float_rounding_mode(int val STATUS_PARAM)
-{
-    STATUS(float_rounding_mode) = val;
-#if defined(_BSD) && !defined(__APPLE__) || (defined(HOST_SOLARIS) && HOST_SOLARIS < 10)
-    fpsetround(val);
-#elif defined(__arm__)
-    /* nothing to do */
-#else
-    fesetround(val);
-#endif
-}
-
-#ifdef FLOATX80
-void set_floatx80_rounding_precision(int val STATUS_PARAM)
-{
-    STATUS(floatx80_rounding_precision) = val;
-}
-#endif
-
-#if defined(_BSD) || (defined(HOST_SOLARIS) && HOST_SOLARIS < 10)
-#define lrint(d)		((int32_t)rint(d))
-#define llrint(d)		((int64_t)rint(d))
-#define lrintf(f)		((int32_t)rint(f))
-#define llrintf(f)		((int64_t)rint(f))
-#define sqrtf(f)		((float)sqrt(f))
-#define remainderf(fa, fb)	((float)remainder(fa, fb))
-#define rintf(f)		((float)rint(f))
-#if !defined(__sparc__) && defined(HOST_SOLARIS) && HOST_SOLARIS < 10
-extern long double rintl(long double);
-extern long double scalbnl(long double, int);
-
-long long
-llrintl(long double x) {
-	return ((long long) rintl(x));
-}
-
-long
-lrintl(long double x) {
-	return ((long) rintl(x));
-}
-
-long double
-ldexpl(long double x, int n) {
-	return (scalbnl(x, n));
-}
-#endif
-#endif
-
-#if defined(__powerpc__)
-
-/* correct (but slow) PowerPC rint() (glibc version is incorrect) */
-double qemu_rint(double x)
-{
-    double y = 4503599627370496.0;
-    if (fabs(x) >= y)
-        return x;
-    if (x < 0)
-        y = -y;
-    y = (x + y) - y;
-    if (y == 0.0)
-        y = copysign(y, x);
-    return y;
-}
-
-#define rint qemu_rint
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE integer-to-floating-point conversion routines.
-*----------------------------------------------------------------------------*/
-float32 int32_to_float32(int v STATUS_PARAM)
-{
-    return (float32)v;
-}
-
-float32 uint32_to_float32(unsigned int v STATUS_PARAM)
-{
-    return (float32)v;
-}
-
-float64 int32_to_float64(int v STATUS_PARAM)
-{
-    return (float64)v;
-}
-
-float64 uint32_to_float64(unsigned int v STATUS_PARAM)
-{
-    return (float64)v;
-}
-
-#ifdef FLOATX80
-floatx80 int32_to_floatx80(int v STATUS_PARAM)
-{
-    return (floatx80)v;
-}
-#endif
-float32 int64_to_float32( int64_t v STATUS_PARAM)
-{
-    return (float32)v;
-}
-float32 uint64_to_float32( uint64_t v STATUS_PARAM)
-{
-    return (float32)v;
-}
-float64 int64_to_float64( int64_t v STATUS_PARAM)
-{
-    return (float64)v;
-}
-float64 uint64_to_float64( uint64_t v STATUS_PARAM)
-{
-    return (float64)v;
-}
-#ifdef FLOATX80
-floatx80 int64_to_floatx80( int64_t v STATUS_PARAM)
-{
-    return (floatx80)v;
-}
-#endif
-
-/* XXX: this code implements the x86 behaviour, not the IEEE one.  */
-#if HOST_LONG_BITS == 32
-static inline int long_to_int32(long a)
-{
-    return a;
-}
-#else
-static inline int long_to_int32(long a)
-{
-    if (a != (int32_t)a)
-        a = 0x80000000;
-    return a;
-}
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE single-precision conversion routines.
-*----------------------------------------------------------------------------*/
-int float32_to_int32( float32 a STATUS_PARAM)
-{
-    return long_to_int32(lrintf(a));
-}
-int float32_to_int32_round_to_zero( float32 a STATUS_PARAM)
-{
-    return (int)a;
-}
-int64_t float32_to_int64( float32 a STATUS_PARAM)
-{
-    return llrintf(a);
-}
-
-int64_t float32_to_int64_round_to_zero( float32 a STATUS_PARAM)
-{
-    return (int64_t)a;
-}
-
-float64 float32_to_float64( float32 a STATUS_PARAM)
-{
-    return a;
-}
-#ifdef FLOATX80
-floatx80 float32_to_floatx80( float32 a STATUS_PARAM)
-{
-    return a;
-}
-#endif
-
-unsigned int float32_to_uint32( float32 a STATUS_PARAM)
-{
-    int64_t v;
-    unsigned int res;
-
-    v = llrintf(a);
-    if (v < 0) {
-        res = 0;
-    } else if (v > 0xffffffff) {
-        res = 0xffffffff;
-    } else {
-        res = v;
-    }
-    return res;
-}
-unsigned int float32_to_uint32_round_to_zero( float32 a STATUS_PARAM)
-{
-    int64_t v;
-    unsigned int res;
-
-    v = (int64_t)a;
-    if (v < 0) {
-        res = 0;
-    } else if (v > 0xffffffff) {
-        res = 0xffffffff;
-    } else {
-        res = v;
-    }
-    return res;
-}
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE single-precision operations.
-*----------------------------------------------------------------------------*/
-float32 float32_round_to_int( float32 a STATUS_PARAM)
-{
-    return rintf(a);
-}
-
-float32 float32_rem( float32 a, float32 b STATUS_PARAM)
-{
-    return remainderf(a, b);
-}
-
-float32 float32_sqrt( float32 a STATUS_PARAM)
-{
-    return sqrtf(a);
-}
-int float32_compare( float32 a, float32 b STATUS_PARAM )
-{
-    if (a < b) {
-        return -1;
-    } else if (a == b) {
-        return 0;
-    } else if (a > b) {
-        return 1;
-    } else {
-        return 2;
-    }
-}
-int float32_compare_quiet( float32 a, float32 b STATUS_PARAM )
-{
-    if (isless(a, b)) {
-        return -1;
-    } else if (a == b) {
-        return 0;
-    } else if (isgreater(a, b)) {
-        return 1;
-    } else {
-        return 2;
-    }
-}
-int float32_is_signaling_nan( float32 a1)
-{
-    float32u u;
-    uint32_t a;
-    u.f = a1;
-    a = u.i;
-    return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF );
-}
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE double-precision conversion routines.
-*----------------------------------------------------------------------------*/
-int float64_to_int32( float64 a STATUS_PARAM)
-{
-    return long_to_int32(lrint(a));
-}
-int float64_to_int32_round_to_zero( float64 a STATUS_PARAM)
-{
-    return (int)a;
-}
-int64_t float64_to_int64( float64 a STATUS_PARAM)
-{
-    return llrint(a);
-}
-int64_t float64_to_int64_round_to_zero( float64 a STATUS_PARAM)
-{
-    return (int64_t)a;
-}
-float32 float64_to_float32( float64 a STATUS_PARAM)
-{
-    return a;
-}
-#ifdef FLOATX80
-floatx80 float64_to_floatx80( float64 a STATUS_PARAM)
-{
-    return a;
-}
-#endif
-#ifdef FLOAT128
-float128 float64_to_float128( float64 a STATUS_PARAM)
-{
-    return a;
-}
-#endif
-
-unsigned int float64_to_uint32( float64 a STATUS_PARAM)
-{
-    int64_t v;
-    unsigned int res;
-
-    v = llrint(a);
-    if (v < 0) {
-        res = 0;
-    } else if (v > 0xffffffff) {
-        res = 0xffffffff;
-    } else {
-        res = v;
-    }
-    return res;
-}
-unsigned int float64_to_uint32_round_to_zero( float64 a STATUS_PARAM)
-{
-    int64_t v;
-    unsigned int res;
-
-    v = (int64_t)a;
-    if (v < 0) {
-        res = 0;
-    } else if (v > 0xffffffff) {
-        res = 0xffffffff;
-    } else {
-        res = v;
-    }
-    return res;
-}
-uint64_t float64_to_uint64 (float64 a STATUS_PARAM)
-{
-    int64_t v;
-
-    v = llrint(a + (float64)INT64_MIN);
-
-    return v - INT64_MIN;
-}
-uint64_t float64_to_uint64_round_to_zero (float64 a STATUS_PARAM)
-{
-    int64_t v;
-
-    v = (int64_t)(a + (float64)INT64_MIN);
-
-    return v - INT64_MIN;
-}
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE double-precision operations.
-*----------------------------------------------------------------------------*/
-#if defined(__sun__) && defined(HOST_SOLARIS) && HOST_SOLARIS < 10
-static inline float64 trunc(float64 x)
-{
-    return x < 0 ? -floor(-x) : floor(x);
-}
-#endif
-float64 float64_trunc_to_int( float64 a STATUS_PARAM )
-{
-    return trunc(a);
-}
-
-float64 float64_round_to_int( float64 a STATUS_PARAM )
-{
-#if defined(__arm__)
-    switch(STATUS(float_rounding_mode)) {
-    default:
-    case float_round_nearest_even:
-        asm("rndd %0, %1" : "=f" (a) : "f"(a));
-        break;
-    case float_round_down:
-        asm("rnddm %0, %1" : "=f" (a) : "f"(a));
-        break;
-    case float_round_up:
-        asm("rnddp %0, %1" : "=f" (a) : "f"(a));
-        break;
-    case float_round_to_zero:
-        asm("rnddz %0, %1" : "=f" (a) : "f"(a));
-        break;
-    }
-#else
-    return rint(a);
-#endif
-}
-
-float64 float64_rem( float64 a, float64 b STATUS_PARAM)
-{
-    return remainder(a, b);
-}
-
-float64 float64_sqrt( float64 a STATUS_PARAM)
-{
-    return sqrt(a);
-}
-int float64_compare( float64 a, float64 b STATUS_PARAM )
-{
-    if (a < b) {
-        return -1;
-    } else if (a == b) {
-        return 0;
-    } else if (a > b) {
-        return 1;
-    } else {
-        return 2;
-    }
-}
-int float64_compare_quiet( float64 a, float64 b STATUS_PARAM )
-{
-    if (isless(a, b)) {
-        return -1;
-    } else if (a == b) {
-        return 0;
-    } else if (isgreater(a, b)) {
-        return 1;
-    } else {
-        return 2;
-    }
-}
-int float64_is_signaling_nan( float64 a1)
-{
-    float64u u;
-    uint64_t a;
-    u.f = a1;
-    a = u.i;
-    return
-           ( ( ( a>>51 ) & 0xFFF ) == 0xFFE )
-        && ( a & LIT64( 0x0007FFFFFFFFFFFF ) );
-
-}
-
-int float64_is_nan( float64 a1 )
-{
-    float64u u;
-    uint64_t a;
-    u.f = a1;
-    a = u.i;
-
-    return ( LIT64( 0xFFE0000000000000 ) < (bits64) ( a<<1 ) );
-
-}
-
-#ifdef FLOATX80
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE extended double-precision conversion routines.
-*----------------------------------------------------------------------------*/
-int floatx80_to_int32( floatx80 a STATUS_PARAM)
-{
-    return long_to_int32(lrintl(a));
-}
-int floatx80_to_int32_round_to_zero( floatx80 a STATUS_PARAM)
-{
-    return (int)a;
-}
-int64_t floatx80_to_int64( floatx80 a STATUS_PARAM)
-{
-    return llrintl(a);
-}
-int64_t floatx80_to_int64_round_to_zero( floatx80 a STATUS_PARAM)
-{
-    return (int64_t)a;
-}
-float32 floatx80_to_float32( floatx80 a STATUS_PARAM)
-{
-    return a;
-}
-float64 floatx80_to_float64( floatx80 a STATUS_PARAM)
-{
-    return a;
-}
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE extended double-precision operations.
-*----------------------------------------------------------------------------*/
-floatx80 floatx80_round_to_int( floatx80 a STATUS_PARAM)
-{
-    return rintl(a);
-}
-floatx80 floatx80_rem( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    return remainderl(a, b);
-}
-floatx80 floatx80_sqrt( floatx80 a STATUS_PARAM)
-{
-    return sqrtl(a);
-}
-int floatx80_compare( floatx80 a, floatx80 b STATUS_PARAM )
-{
-    if (a < b) {
-        return -1;
-    } else if (a == b) {
-        return 0;
-    } else if (a > b) {
-        return 1;
-    } else {
-        return 2;
-    }
-}
-int floatx80_compare_quiet( floatx80 a, floatx80 b STATUS_PARAM )
-{
-    if (isless(a, b)) {
-        return -1;
-    } else if (a == b) {
-        return 0;
-    } else if (isgreater(a, b)) {
-        return 1;
-    } else {
-        return 2;
-    }
-}
-int floatx80_is_signaling_nan( floatx80 a1)
-{
-    floatx80u u;
-    u.f = a1;
-    return ( ( u.i.high & 0x7FFF ) == 0x7FFF ) && (bits64) ( u.i.low<<1 );
-}
-
-#endif
diff --git a/fpu/softfloat-native.h b/fpu/softfloat-native.h
deleted file mode 100644
index 379d49d..0000000
--- a/fpu/softfloat-native.h
+++ /dev/null
@@ -1,425 +0,0 @@
-/* Native implementation of soft float functions */
-#include <math.h>
-
-#if (defined(_BSD) && !defined(__APPLE__)) || defined(HOST_SOLARIS)
-#include <ieeefp.h>
-#define fabsf(f) ((float)fabs(f))
-#else
-#include <fenv.h>
-#endif
-
-#ifdef __OpenBSD__
-/* Get OpenBSD version number */
-#include <sys/param.h>
-#endif
-
-/*
- * Define some C99-7.12.3 classification macros and
- *        some C99-.12.4 for Solaris systems OS less than 10,
- *        or Solaris 10 systems running GCC 3.x or less.
- *   Solaris 10 with GCC4 does not need these macros as they
- *   are defined in <iso/math_c99.h> with a compiler directive
- */
-#if defined(HOST_SOLARIS) && (( HOST_SOLARIS <= 9 ) || ((HOST_SOLARIS >= 10) \
-                                                        && (__GNUC__ <= 4))) \
-    || (defined(__OpenBSD__) && (OpenBSD < 200811))
-/*
- * C99 7.12.3 classification macros
- * and
- * C99 7.12.14 comparison macros
- *
- * ... do not work on Solaris 10 using GNU CC 3.4.x.
- * Try to workaround the missing / broken C99 math macros.
- */
-#if defined(__OpenBSD__)
-#define unordered(x, y) (isnan(x) || isnan(y))
-#endif
-
-#define isnormal(x)             (fpclass(x) >= FP_NZERO)
-#define isgreater(x, y)         ((!unordered(x, y)) && ((x) > (y)))
-#define isgreaterequal(x, y)    ((!unordered(x, y)) && ((x) >= (y)))
-#define isless(x, y)            ((!unordered(x, y)) && ((x) < (y)))
-#define islessequal(x, y)       ((!unordered(x, y)) && ((x) <= (y)))
-#define isunordered(x,y)        unordered(x, y)
-#endif
-
-#if defined(__sun__) && !defined(NEED_LIBSUNMATH)
-
-#ifndef isnan
-# define isnan(x) \
-    (sizeof (x) == sizeof (long double) ? isnan_ld (x) \
-     : sizeof (x) == sizeof (double) ? isnan_d (x) \
-     : isnan_f (x))
-static inline int isnan_f  (float       x) { return x != x; }
-static inline int isnan_d  (double      x) { return x != x; }
-static inline int isnan_ld (long double x) { return x != x; }
-#endif
-
-#ifndef isinf
-# define isinf(x) \
-    (sizeof (x) == sizeof (long double) ? isinf_ld (x) \
-     : sizeof (x) == sizeof (double) ? isinf_d (x) \
-     : isinf_f (x))
-static inline int isinf_f  (float       x) { return isnan (x - x); }
-static inline int isinf_d  (double      x) { return isnan (x - x); }
-static inline int isinf_ld (long double x) { return isnan (x - x); }
-#endif
-#endif
-
-typedef float float32;
-typedef double float64;
-#ifdef FLOATX80
-typedef long double floatx80;
-#endif
-
-typedef union {
-    float32 f;
-    uint32_t i;
-} float32u;
-typedef union {
-    float64 f;
-    uint64_t i;
-} float64u;
-#ifdef FLOATX80
-typedef union {
-    floatx80 f;
-    struct {
-        uint64_t low;
-        uint16_t high;
-    } i;
-} floatx80u;
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE floating-point rounding mode.
-*----------------------------------------------------------------------------*/
-#if (defined(_BSD) && !defined(__APPLE__)) || defined(HOST_SOLARIS)
-#if defined(__OpenBSD__)
-#define FE_RM FP_RM
-#define FE_RP FP_RP
-#define FE_RZ FP_RZ
-#endif
-enum {
-    float_round_nearest_even = FP_RN,
-    float_round_down         = FP_RM,
-    float_round_up           = FP_RP,
-    float_round_to_zero      = FP_RZ
-};
-#elif defined(__arm__)
-enum {
-    float_round_nearest_even = 0,
-    float_round_down         = 1,
-    float_round_up           = 2,
-    float_round_to_zero      = 3
-};
-#else
-enum {
-    float_round_nearest_even = FE_TONEAREST,
-    float_round_down         = FE_DOWNWARD,
-    float_round_up           = FE_UPWARD,
-    float_round_to_zero      = FE_TOWARDZERO
-};
-#endif
-
-typedef struct float_status {
-    signed char float_rounding_mode;
-#ifdef FLOATX80
-    signed char floatx80_rounding_precision;
-#endif
-} float_status;
-
-void set_float_rounding_mode(int val STATUS_PARAM);
-#ifdef FLOATX80
-void set_floatx80_rounding_precision(int val STATUS_PARAM);
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE integer-to-floating-point conversion routines.
-*----------------------------------------------------------------------------*/
-float32 int32_to_float32( int STATUS_PARAM);
-float32 uint32_to_float32( unsigned int STATUS_PARAM);
-float64 int32_to_float64( int STATUS_PARAM);
-float64 uint32_to_float64( unsigned int STATUS_PARAM);
-#ifdef FLOATX80
-floatx80 int32_to_floatx80( int STATUS_PARAM);
-#endif
-#ifdef FLOAT128
-float128 int32_to_float128( int STATUS_PARAM);
-#endif
-float32 int64_to_float32( int64_t STATUS_PARAM);
-float32 uint64_to_float32( uint64_t STATUS_PARAM);
-float64 int64_to_float64( int64_t STATUS_PARAM);
-float64 uint64_to_float64( uint64_t v STATUS_PARAM);
-#ifdef FLOATX80
-floatx80 int64_to_floatx80( int64_t STATUS_PARAM);
-#endif
-#ifdef FLOAT128
-float128 int64_to_float128( int64_t STATUS_PARAM);
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE single-precision conversion routines.
-*----------------------------------------------------------------------------*/
-int float32_to_int32( float32  STATUS_PARAM);
-int float32_to_int32_round_to_zero( float32  STATUS_PARAM);
-unsigned int float32_to_uint32( float32 a STATUS_PARAM);
-unsigned int float32_to_uint32_round_to_zero( float32 a STATUS_PARAM);
-int64_t float32_to_int64( float32  STATUS_PARAM);
-int64_t float32_to_int64_round_to_zero( float32  STATUS_PARAM);
-float64 float32_to_float64( float32  STATUS_PARAM);
-#ifdef FLOATX80
-floatx80 float32_to_floatx80( float32  STATUS_PARAM);
-#endif
-#ifdef FLOAT128
-float128 float32_to_float128( float32  STATUS_PARAM);
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE single-precision operations.
-*----------------------------------------------------------------------------*/
-float32 float32_round_to_int( float32  STATUS_PARAM);
-INLINE float32 float32_add( float32 a, float32 b STATUS_PARAM)
-{
-    return a + b;
-}
-INLINE float32 float32_sub( float32 a, float32 b STATUS_PARAM)
-{
-    return a - b;
-}
-INLINE float32 float32_mul( float32 a, float32 b STATUS_PARAM)
-{
-    return a * b;
-}
-INLINE float32 float32_div( float32 a, float32 b STATUS_PARAM)
-{
-    return a / b;
-}
-float32 float32_rem( float32, float32  STATUS_PARAM);
-float32 float32_sqrt( float32  STATUS_PARAM);
-INLINE int float32_eq( float32 a, float32 b STATUS_PARAM)
-{
-    return a == b;
-}
-INLINE int float32_le( float32 a, float32 b STATUS_PARAM)
-{
-    return a <= b;
-}
-INLINE int float32_lt( float32 a, float32 b STATUS_PARAM)
-{
-    return a < b;
-}
-INLINE int float32_eq_signaling( float32 a, float32 b STATUS_PARAM)
-{
-    return a <= b && a >= b;
-}
-INLINE int float32_le_quiet( float32 a, float32 b STATUS_PARAM)
-{
-    return islessequal(a, b);
-}
-INLINE int float32_lt_quiet( float32 a, float32 b STATUS_PARAM)
-{
-    return isless(a, b);
-}
-INLINE int float32_unordered( float32 a, float32 b STATUS_PARAM)
-{
-    return isunordered(a, b);
-
-}
-int float32_compare( float32, float32 STATUS_PARAM );
-int float32_compare_quiet( float32, float32 STATUS_PARAM );
-int float32_is_signaling_nan( float32 );
-
-INLINE float32 float32_abs(float32 a)
-{
-    return fabsf(a);
-}
-
-INLINE float32 float32_chs(float32 a)
-{
-    return -a;
-}
-
-INLINE float32 float32_scalbn(float32 a, int n)
-{
-    return scalbnf(a, n);
-}
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE double-precision conversion routines.
-*----------------------------------------------------------------------------*/
-int float64_to_int32( float64 STATUS_PARAM );
-int float64_to_int32_round_to_zero( float64 STATUS_PARAM );
-unsigned int float64_to_uint32( float64 STATUS_PARAM );
-unsigned int float64_to_uint32_round_to_zero( float64 STATUS_PARAM );
-int64_t float64_to_int64( float64 STATUS_PARAM );
-int64_t float64_to_int64_round_to_zero( float64 STATUS_PARAM );
-uint64_t float64_to_uint64( float64 STATUS_PARAM );
-uint64_t float64_to_uint64_round_to_zero( float64 STATUS_PARAM );
-float32 float64_to_float32( float64 STATUS_PARAM );
-#ifdef FLOATX80
-floatx80 float64_to_floatx80( float64 STATUS_PARAM );
-#endif
-#ifdef FLOAT128
-float128 float64_to_float128( float64 STATUS_PARAM );
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE double-precision operations.
-*----------------------------------------------------------------------------*/
-float64 float64_round_to_int( float64 STATUS_PARAM );
-float64 float64_trunc_to_int( float64 STATUS_PARAM );
-INLINE float64 float64_add( float64 a, float64 b STATUS_PARAM)
-{
-    return a + b;
-}
-INLINE float64 float64_sub( float64 a, float64 b STATUS_PARAM)
-{
-    return a - b;
-}
-INLINE float64 float64_mul( float64 a, float64 b STATUS_PARAM)
-{
-    return a * b;
-}
-INLINE float64 float64_div( float64 a, float64 b STATUS_PARAM)
-{
-    return a / b;
-}
-float64 float64_rem( float64, float64 STATUS_PARAM );
-float64 float64_sqrt( float64 STATUS_PARAM );
-INLINE int float64_eq( float64 a, float64 b STATUS_PARAM)
-{
-    return a == b;
-}
-INLINE int float64_le( float64 a, float64 b STATUS_PARAM)
-{
-    return a <= b;
-}
-INLINE int float64_lt( float64 a, float64 b STATUS_PARAM)
-{
-    return a < b;
-}
-INLINE int float64_eq_signaling( float64 a, float64 b STATUS_PARAM)
-{
-    return a <= b && a >= b;
-}
-INLINE int float64_le_quiet( float64 a, float64 b STATUS_PARAM)
-{
-    return islessequal(a, b);
-}
-INLINE int float64_lt_quiet( float64 a, float64 b STATUS_PARAM)
-{
-    return isless(a, b);
-
-}
-INLINE int float64_unordered( float64 a, float64 b STATUS_PARAM)
-{
-    return isunordered(a, b);
-
-}
-int float64_compare( float64, float64 STATUS_PARAM );
-int float64_compare_quiet( float64, float64 STATUS_PARAM );
-int float64_is_signaling_nan( float64 );
-int float64_is_nan( float64 );
-
-INLINE float64 float64_abs(float64 a)
-{
-    return fabs(a);
-}
-
-INLINE float64 float64_chs(float64 a)
-{
-    return -a;
-}
-
-INLINE float64 float64_scalbn(float64 a, int n)
-{
-    return scalbn(a, n);
-}
-
-#ifdef FLOATX80
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE extended double-precision conversion routines.
-*----------------------------------------------------------------------------*/
-int floatx80_to_int32( floatx80 STATUS_PARAM );
-int floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM );
-int64_t floatx80_to_int64( floatx80 STATUS_PARAM);
-int64_t floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM);
-float32 floatx80_to_float32( floatx80 STATUS_PARAM );
-float64 floatx80_to_float64( floatx80 STATUS_PARAM );
-#ifdef FLOAT128
-float128 floatx80_to_float128( floatx80 STATUS_PARAM );
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE extended double-precision operations.
-*----------------------------------------------------------------------------*/
-floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM );
-INLINE floatx80 floatx80_add( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    return a + b;
-}
-INLINE floatx80 floatx80_sub( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    return a - b;
-}
-INLINE floatx80 floatx80_mul( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    return a * b;
-}
-INLINE floatx80 floatx80_div( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    return a / b;
-}
-floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM );
-floatx80 floatx80_sqrt( floatx80 STATUS_PARAM );
-INLINE int floatx80_eq( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    return a == b;
-}
-INLINE int floatx80_le( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    return a <= b;
-}
-INLINE int floatx80_lt( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    return a < b;
-}
-INLINE int floatx80_eq_signaling( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    return a <= b && a >= b;
-}
-INLINE int floatx80_le_quiet( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    return islessequal(a, b);
-}
-INLINE int floatx80_lt_quiet( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    return isless(a, b);
-
-}
-INLINE int floatx80_unordered( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    return isunordered(a, b);
-
-}
-int floatx80_compare( floatx80, floatx80 STATUS_PARAM );
-int floatx80_compare_quiet( floatx80, floatx80 STATUS_PARAM );
-int floatx80_is_signaling_nan( floatx80 );
-
-INLINE floatx80 floatx80_abs(floatx80 a)
-{
-    return fabsl(a);
-}
-
-INLINE floatx80 floatx80_chs(floatx80 a)
-{
-    return -a;
-}
-
-INLINE floatx80 floatx80_scalbn(floatx80 a, int n)
-{
-    return scalbnl(a, n);
-}
-
-#endif
diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h
deleted file mode 100644
index 93fe06e..0000000
--- a/fpu/softfloat-specialize.h
+++ /dev/null
@@ -1,569 +0,0 @@
-
-/*============================================================================
-
-This C source fragment is part of the SoftFloat IEC/IEEE Floating-point
-Arithmetic Package, Release 2b.
-
-Written by John R. Hauser.  This work was made possible in part by the
-International Computer Science Institute, located at Suite 600, 1947 Center
-Street, Berkeley, California 94704.  Funding was partially provided by the
-National Science Foundation under grant MIP-9311980.  The original version
-of this code was written as part of a project to build a fixed-point vector
-processor in collaboration with the University of California at Berkeley,
-overseen by Profs. Nelson Morgan and John Wawrzynek.  More information
-is available through the Web page `http://www.cs.berkeley.edu/~jhauser/
-arithmetic/SoftFloat.html'.
-
-THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort has
-been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
-RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
-AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ALL LOSSES,
-COSTS, OR OTHER PROBLEMS THEY INCUR DUE TO THE SOFTWARE, AND WHO FURTHERMORE
-EFFECTIVELY INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE
-INSTITUTE (possibly via similar legal warning) AGAINST ALL LOSSES, COSTS, OR
-OTHER PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE.
-
-Derivative works are acceptable, even for commercial purposes, so long as
-(1) the source code for the derivative work includes prominent notice that
-the work is derivative, and (2) the source code includes prominent notice with
-these four paragraphs for those parts of this code that are retained.
-
-=============================================================================*/
-
-#if defined(TARGET_MIPS) || defined(TARGET_HPPA)
-#define SNAN_BIT_IS_ONE		1
-#else
-#define SNAN_BIT_IS_ONE		0
-#endif
-
-/*----------------------------------------------------------------------------
-| Underflow tininess-detection mode, statically initialized to default value.
-| (The declaration in `softfloat.h' must match the `int8' type here.)
-*----------------------------------------------------------------------------*/
-int8 float_detect_tininess = float_tininess_after_rounding;
-
-/*----------------------------------------------------------------------------
-| Raises the exceptions specified by `flags'.  Floating-point traps can be
-| defined here if desired.  It is currently not possible for such a trap
-| to substitute a result value.  If traps are not implemented, this routine
-| should be simply `float_exception_flags |= flags;'.
-*----------------------------------------------------------------------------*/
-
-void float_raise( int8 flags STATUS_PARAM )
-{
-    STATUS(float_exception_flags) |= flags;
-}
-
-/*----------------------------------------------------------------------------
-| Internal canonical NaN format.
-*----------------------------------------------------------------------------*/
-typedef struct {
-    flag sign;
-    bits64 high, low;
-} commonNaNT;
-
-/*----------------------------------------------------------------------------
-| The pattern for a default generated single-precision NaN.
-*----------------------------------------------------------------------------*/
-#if defined(TARGET_SPARC)
-#define float32_default_nan make_float32(0x7FFFFFFF)
-#elif defined(TARGET_POWERPC)
-#define float32_default_nan make_float32(0x7FC00000)
-#elif defined(TARGET_HPPA)
-#define float32_default_nan make_float32(0x7FA00000)
-#elif SNAN_BIT_IS_ONE
-#define float32_default_nan make_float32(0x7FBFFFFF)
-#else
-#define float32_default_nan make_float32(0xFFC00000)
-#endif
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the single-precision floating-point value `a' is a quiet
-| NaN; otherwise returns 0.
-*----------------------------------------------------------------------------*/
-
-int float32_is_nan( float32 a_ )
-{
-    uint32_t a = float32_val(a_);
-#if SNAN_BIT_IS_ONE
-    return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF );
-#else
-    return ( 0xFF800000 <= (bits32) ( a<<1 ) );
-#endif
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the single-precision floating-point value `a' is a signaling
-| NaN; otherwise returns 0.
-*----------------------------------------------------------------------------*/
-
-int float32_is_signaling_nan( float32 a_ )
-{
-    uint32_t a = float32_val(a_);
-#if SNAN_BIT_IS_ONE
-    return ( 0xFF800000 <= (bits32) ( a<<1 ) );
-#else
-    return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF );
-#endif
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the single-precision floating-point NaN
-| `a' to the canonical NaN format.  If `a' is a signaling NaN, the invalid
-| exception is raised.
-*----------------------------------------------------------------------------*/
-
-static commonNaNT float32ToCommonNaN( float32 a STATUS_PARAM )
-{
-    commonNaNT z;
-
-    if ( float32_is_signaling_nan( a ) ) float_raise( float_flag_invalid STATUS_VAR );
-    z.sign = float32_val(a)>>31;
-    z.low = 0;
-    z.high = ( (bits64) float32_val(a) )<<41;
-    return z;
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the canonical NaN `a' to the single-
-| precision floating-point format.
-*----------------------------------------------------------------------------*/
-
-static float32 commonNaNToFloat32( commonNaNT a )
-{
-    bits32 mantissa = a.high>>41;
-    if ( mantissa )
-        return make_float32(
-            ( ( (bits32) a.sign )<<31 ) | 0x7F800000 | ( a.high>>41 ) );
-    else
-        return float32_default_nan;
-}
-
-/*----------------------------------------------------------------------------
-| Takes two single-precision floating-point values `a' and `b', one of which
-| is a NaN, and returns the appropriate NaN result.  If either `a' or `b' is a
-| signaling NaN, the invalid exception is raised.
-*----------------------------------------------------------------------------*/
-
-static float32 propagateFloat32NaN( float32 a, float32 b STATUS_PARAM)
-{
-    flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
-    bits32 av, bv, res;
-
-    aIsNaN = float32_is_nan( a );
-    aIsSignalingNaN = float32_is_signaling_nan( a );
-    bIsNaN = float32_is_nan( b );
-    bIsSignalingNaN = float32_is_signaling_nan( b );
-    av = float32_val(a);
-    bv = float32_val(b);
-#if SNAN_BIT_IS_ONE
-    av &= ~0x00400000;
-    bv &= ~0x00400000;
-#else
-    av |= 0x00400000;
-    bv |= 0x00400000;
-#endif
-    if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid STATUS_VAR);
-    if ( aIsSignalingNaN ) {
-        if ( bIsSignalingNaN ) goto returnLargerSignificand;
-        res = bIsNaN ? bv : av;
-    }
-    else if ( aIsNaN ) {
-        if ( bIsSignalingNaN | ! bIsNaN )
-            res = av;
-        else {
- returnLargerSignificand:
-            if ( (bits32) ( av<<1 ) < (bits32) ( bv<<1 ) )
-                res = bv;
-            else if ( (bits32) ( bv<<1 ) < (bits32) ( av<<1 ) )
-                res = av;
-            else
-                res = ( av < bv ) ? av : bv;
-        }
-    }
-    else {
-        res = bv;
-    }
-    return make_float32(res);
-}
-
-/*----------------------------------------------------------------------------
-| The pattern for a default generated double-precision NaN.
-*----------------------------------------------------------------------------*/
-#if defined(TARGET_SPARC)
-#define float64_default_nan make_float64(LIT64( 0x7FFFFFFFFFFFFFFF ))
-#elif defined(TARGET_POWERPC)
-#define float64_default_nan make_float64(LIT64( 0x7FF8000000000000 ))
-#elif defined(TARGET_HPPA)
-#define float64_default_nan make_float64(LIT64( 0x7FF4000000000000 ))
-#elif SNAN_BIT_IS_ONE
-#define float64_default_nan make_float64(LIT64( 0x7FF7FFFFFFFFFFFF ))
-#else
-#define float64_default_nan make_float64(LIT64( 0xFFF8000000000000 ))
-#endif
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the double-precision floating-point value `a' is a quiet
-| NaN; otherwise returns 0.
-*----------------------------------------------------------------------------*/
-
-int float64_is_nan( float64 a_ )
-{
-    bits64 a = float64_val(a_);
-#if SNAN_BIT_IS_ONE
-    return
-           ( ( ( a>>51 ) & 0xFFF ) == 0xFFE )
-        && ( a & LIT64( 0x0007FFFFFFFFFFFF ) );
-#else
-    return ( LIT64( 0xFFF0000000000000 ) <= (bits64) ( a<<1 ) );
-#endif
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the double-precision floating-point value `a' is a signaling
-| NaN; otherwise returns 0.
-*----------------------------------------------------------------------------*/
-
-int float64_is_signaling_nan( float64 a_ )
-{
-    bits64 a = float64_val(a_);
-#if SNAN_BIT_IS_ONE
-    return ( LIT64( 0xFFF0000000000000 ) <= (bits64) ( a<<1 ) );
-#else
-    return
-           ( ( ( a>>51 ) & 0xFFF ) == 0xFFE )
-        && ( a & LIT64( 0x0007FFFFFFFFFFFF ) );
-#endif
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the double-precision floating-point NaN
-| `a' to the canonical NaN format.  If `a' is a signaling NaN, the invalid
-| exception is raised.
-*----------------------------------------------------------------------------*/
-
-static commonNaNT float64ToCommonNaN( float64 a STATUS_PARAM)
-{
-    commonNaNT z;
-
-    if ( float64_is_signaling_nan( a ) ) float_raise( float_flag_invalid STATUS_VAR);
-    z.sign = float64_val(a)>>63;
-    z.low = 0;
-    z.high = float64_val(a)<<12;
-    return z;
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the canonical NaN `a' to the double-
-| precision floating-point format.
-*----------------------------------------------------------------------------*/
-
-static float64 commonNaNToFloat64( commonNaNT a )
-{
-    bits64 mantissa = a.high>>12;
-
-    if ( mantissa )
-        return make_float64(
-              ( ( (bits64) a.sign )<<63 )
-            | LIT64( 0x7FF0000000000000 )
-            | ( a.high>>12 ));
-    else
-        return float64_default_nan;
-}
-
-/*----------------------------------------------------------------------------
-| Takes two double-precision floating-point values `a' and `b', one of which
-| is a NaN, and returns the appropriate NaN result.  If either `a' or `b' is a
-| signaling NaN, the invalid exception is raised.
-*----------------------------------------------------------------------------*/
-
-static float64 propagateFloat64NaN( float64 a, float64 b STATUS_PARAM)
-{
-    flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
-    bits64 av, bv, res;
-
-    aIsNaN = float64_is_nan( a );
-    aIsSignalingNaN = float64_is_signaling_nan( a );
-    bIsNaN = float64_is_nan( b );
-    bIsSignalingNaN = float64_is_signaling_nan( b );
-    av = float64_val(a);
-    bv = float64_val(b);
-#if SNAN_BIT_IS_ONE
-    av &= ~LIT64( 0x0008000000000000 );
-    bv &= ~LIT64( 0x0008000000000000 );
-#else
-    av |= LIT64( 0x0008000000000000 );
-    bv |= LIT64( 0x0008000000000000 );
-#endif
-    if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid STATUS_VAR);
-    if ( aIsSignalingNaN ) {
-        if ( bIsSignalingNaN ) goto returnLargerSignificand;
-        res = bIsNaN ? bv : av;
-    }
-    else if ( aIsNaN ) {
-        if ( bIsSignalingNaN | ! bIsNaN )
-            res = av;
-        else {
- returnLargerSignificand:
-            if ( (bits64) ( av<<1 ) < (bits64) ( bv<<1 ) )
-                res = bv;
-            else if ( (bits64) ( bv<<1 ) < (bits64) ( av<<1 ) )
-                res = av;
-            else
-                res = ( av < bv ) ? av : bv;
-        }
-    }
-    else {
-        res = bv;
-    }
-    return make_float64(res);
-}
-
-#ifdef FLOATX80
-
-/*----------------------------------------------------------------------------
-| The pattern for a default generated extended double-precision NaN.  The
-| `high' and `low' values hold the most- and least-significant bits,
-| respectively.
-*----------------------------------------------------------------------------*/
-#if SNAN_BIT_IS_ONE
-#define floatx80_default_nan_high 0x7FFF
-#define floatx80_default_nan_low  LIT64( 0xBFFFFFFFFFFFFFFF )
-#else
-#define floatx80_default_nan_high 0xFFFF
-#define floatx80_default_nan_low  LIT64( 0xC000000000000000 )
-#endif
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the extended double-precision floating-point value `a' is a
-| quiet NaN; otherwise returns 0.
-*----------------------------------------------------------------------------*/
-
-int floatx80_is_nan( floatx80 a )
-{
-#if SNAN_BIT_IS_ONE
-    bits64 aLow;
-
-    aLow = a.low & ~ LIT64( 0x4000000000000000 );
-    return
-           ( ( a.high & 0x7FFF ) == 0x7FFF )
-        && (bits64) ( aLow<<1 )
-        && ( a.low == aLow );
-#else
-    return ( ( a.high & 0x7FFF ) == 0x7FFF ) && (bits64) ( a.low<<1 );
-#endif
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the extended double-precision floating-point value `a' is a
-| signaling NaN; otherwise returns 0.
-*----------------------------------------------------------------------------*/
-
-int floatx80_is_signaling_nan( floatx80 a )
-{
-#if SNAN_BIT_IS_ONE
-    return ( ( a.high & 0x7FFF ) == 0x7FFF ) && (bits64) ( a.low<<1 );
-#else
-    bits64 aLow;
-
-    aLow = a.low & ~ LIT64( 0x4000000000000000 );
-    return
-           ( ( a.high & 0x7FFF ) == 0x7FFF )
-        && (bits64) ( aLow<<1 )
-        && ( a.low == aLow );
-#endif
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the extended double-precision floating-
-| point NaN `a' to the canonical NaN format.  If `a' is a signaling NaN, the
-| invalid exception is raised.
-*----------------------------------------------------------------------------*/
-
-static commonNaNT floatx80ToCommonNaN( floatx80 a STATUS_PARAM)
-{
-    commonNaNT z;
-
-    if ( floatx80_is_signaling_nan( a ) ) float_raise( float_flag_invalid STATUS_VAR);
-    z.sign = a.high>>15;
-    z.low = 0;
-    z.high = a.low;
-    return z;
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the canonical NaN `a' to the extended
-| double-precision floating-point format.
-*----------------------------------------------------------------------------*/
-
-static floatx80 commonNaNToFloatx80( commonNaNT a )
-{
-    floatx80 z;
-
-    if (a.high)
-        z.low = a.high;
-    else
-        z.low = floatx80_default_nan_low;
-    z.high = ( ( (bits16) a.sign )<<15 ) | 0x7FFF;
-    return z;
-}
-
-/*----------------------------------------------------------------------------
-| Takes two extended double-precision floating-point values `a' and `b', one
-| of which is a NaN, and returns the appropriate NaN result.  If either `a' or
-| `b' is a signaling NaN, the invalid exception is raised.
-*----------------------------------------------------------------------------*/
-
-static floatx80 propagateFloatx80NaN( floatx80 a, floatx80 b STATUS_PARAM)
-{
-    flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
-
-    aIsNaN = floatx80_is_nan( a );
-    aIsSignalingNaN = floatx80_is_signaling_nan( a );
-    bIsNaN = floatx80_is_nan( b );
-    bIsSignalingNaN = floatx80_is_signaling_nan( b );
-#if SNAN_BIT_IS_ONE
-    a.low &= ~LIT64( 0xC000000000000000 );
-    b.low &= ~LIT64( 0xC000000000000000 );
-#else
-    a.low |= LIT64( 0xC000000000000000 );
-    b.low |= LIT64( 0xC000000000000000 );
-#endif
-    if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid STATUS_VAR);
-    if ( aIsSignalingNaN ) {
-        if ( bIsSignalingNaN ) goto returnLargerSignificand;
-        return bIsNaN ? b : a;
-    }
-    else if ( aIsNaN ) {
-        if ( bIsSignalingNaN | ! bIsNaN ) return a;
- returnLargerSignificand:
-        if ( a.low < b.low ) return b;
-        if ( b.low < a.low ) return a;
-        return ( a.high < b.high ) ? a : b;
-    }
-    else {
-        return b;
-    }
-}
-
-#endif
-
-#ifdef FLOAT128
-
-/*----------------------------------------------------------------------------
-| The pattern for a default generated quadruple-precision NaN.  The `high' and
-| `low' values hold the most- and least-significant bits, respectively.
-*----------------------------------------------------------------------------*/
-#if SNAN_BIT_IS_ONE
-#define float128_default_nan_high LIT64( 0x7FFF7FFFFFFFFFFF )
-#define float128_default_nan_low  LIT64( 0xFFFFFFFFFFFFFFFF )
-#else
-#define float128_default_nan_high LIT64( 0xFFFF800000000000 )
-#define float128_default_nan_low  LIT64( 0x0000000000000000 )
-#endif
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the quadruple-precision floating-point value `a' is a quiet
-| NaN; otherwise returns 0.
-*----------------------------------------------------------------------------*/
-
-int float128_is_nan( float128 a )
-{
-#if SNAN_BIT_IS_ONE
-    return
-           ( ( ( a.high>>47 ) & 0xFFFF ) == 0xFFFE )
-        && ( a.low || ( a.high & LIT64( 0x00007FFFFFFFFFFF ) ) );
-#else
-    return
-           ( LIT64( 0xFFFE000000000000 ) <= (bits64) ( a.high<<1 ) )
-        && ( a.low || ( a.high & LIT64( 0x0000FFFFFFFFFFFF ) ) );
-#endif
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the quadruple-precision floating-point value `a' is a
-| signaling NaN; otherwise returns 0.
-*----------------------------------------------------------------------------*/
-
-int float128_is_signaling_nan( float128 a )
-{
-#if SNAN_BIT_IS_ONE
-    return
-           ( LIT64( 0xFFFE000000000000 ) <= (bits64) ( a.high<<1 ) )
-        && ( a.low || ( a.high & LIT64( 0x0000FFFFFFFFFFFF ) ) );
-#else
-    return
-           ( ( ( a.high>>47 ) & 0xFFFF ) == 0xFFFE )
-        && ( a.low || ( a.high & LIT64( 0x00007FFFFFFFFFFF ) ) );
-#endif
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the quadruple-precision floating-point NaN
-| `a' to the canonical NaN format.  If `a' is a signaling NaN, the invalid
-| exception is raised.
-*----------------------------------------------------------------------------*/
-
-static commonNaNT float128ToCommonNaN( float128 a STATUS_PARAM)
-{
-    commonNaNT z;
-
-    if ( float128_is_signaling_nan( a ) ) float_raise( float_flag_invalid STATUS_VAR);
-    z.sign = a.high>>63;
-    shortShift128Left( a.high, a.low, 16, &z.high, &z.low );
-    return z;
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the canonical NaN `a' to the quadruple-
-| precision floating-point format.
-*----------------------------------------------------------------------------*/
-
-static float128 commonNaNToFloat128( commonNaNT a )
-{
-    float128 z;
-
-    shift128Right( a.high, a.low, 16, &z.high, &z.low );
-    z.high |= ( ( (bits64) a.sign )<<63 ) | LIT64( 0x7FFF000000000000 );
-    return z;
-}
-
-/*----------------------------------------------------------------------------
-| Takes two quadruple-precision floating-point values `a' and `b', one of
-| which is a NaN, and returns the appropriate NaN result.  If either `a' or
-| `b' is a signaling NaN, the invalid exception is raised.
-*----------------------------------------------------------------------------*/
-
-static float128 propagateFloat128NaN( float128 a, float128 b STATUS_PARAM)
-{
-    flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
-
-    aIsNaN = float128_is_nan( a );
-    aIsSignalingNaN = float128_is_signaling_nan( a );
-    bIsNaN = float128_is_nan( b );
-    bIsSignalingNaN = float128_is_signaling_nan( b );
-#if SNAN_BIT_IS_ONE
-    a.high &= ~LIT64( 0x0000800000000000 );
-    b.high &= ~LIT64( 0x0000800000000000 );
-#else
-    a.high |= LIT64( 0x0000800000000000 );
-    b.high |= LIT64( 0x0000800000000000 );
-#endif
-    if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid STATUS_VAR);
-    if ( aIsSignalingNaN ) {
-        if ( bIsSignalingNaN ) goto returnLargerSignificand;
-        return bIsNaN ? b : a;
-    }
-    else if ( aIsNaN ) {
-        if ( bIsSignalingNaN | ! bIsNaN ) return a;
- returnLargerSignificand:
-        if ( lt128( a.high<<1, a.low, b.high<<1, b.low ) ) return b;
-        if ( lt128( b.high<<1, b.low, a.high<<1, a.low ) ) return a;
-        return ( a.high < b.high ) ? a : b;
-    }
-    else {
-        return b;
-    }
-}
-
-#endif
diff --git a/fpu/softfloat.c b/fpu/softfloat.c
deleted file mode 100644
index 3ec1e0d..0000000
--- a/fpu/softfloat.c
+++ /dev/null
@@ -1,5541 +0,0 @@
-
-/*============================================================================
-
-This C source file is part of the SoftFloat IEC/IEEE Floating-point Arithmetic
-Package, Release 2b.
-
-Written by John R. Hauser.  This work was made possible in part by the
-International Computer Science Institute, located at Suite 600, 1947 Center
-Street, Berkeley, California 94704.  Funding was partially provided by the
-National Science Foundation under grant MIP-9311980.  The original version
-of this code was written as part of a project to build a fixed-point vector
-processor in collaboration with the University of California at Berkeley,
-overseen by Profs. Nelson Morgan and John Wawrzynek.  More information
-is available through the Web page `http://www.cs.berkeley.edu/~jhauser/
-arithmetic/SoftFloat.html'.
-
-THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort has
-been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
-RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
-AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ALL LOSSES,
-COSTS, OR OTHER PROBLEMS THEY INCUR DUE TO THE SOFTWARE, AND WHO FURTHERMORE
-EFFECTIVELY INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE
-INSTITUTE (possibly via similar legal warning) AGAINST ALL LOSSES, COSTS, OR
-OTHER PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE.
-
-Derivative works are acceptable, even for commercial purposes, so long as
-(1) the source code for the derivative work includes prominent notice that
-the work is derivative, and (2) the source code includes prominent notice with
-these four paragraphs for those parts of this code that are retained.
-
-=============================================================================*/
-
-#include "softfloat.h"
-
-/*----------------------------------------------------------------------------
-| Primitive arithmetic functions, including multi-word arithmetic, and
-| division and square root approximations.  (Can be specialized to target if
-| desired.)
-*----------------------------------------------------------------------------*/
-#include "softfloat-macros.h"
-
-/*----------------------------------------------------------------------------
-| Functions and definitions to determine:  (1) whether tininess for underflow
-| is detected before or after rounding by default, (2) what (if anything)
-| happens when exceptions are raised, (3) how signaling NaNs are distinguished
-| from quiet NaNs, (4) the default generated quiet NaNs, and (5) how NaNs
-| are propagated from function inputs to output.  These details are target-
-| specific.
-*----------------------------------------------------------------------------*/
-#include "softfloat-specialize.h"
-
-void set_float_rounding_mode(int val STATUS_PARAM)
-{
-    STATUS(float_rounding_mode) = val;
-}
-
-void set_float_exception_flags(int val STATUS_PARAM)
-{
-    STATUS(float_exception_flags) = val;
-}
-
-#ifdef FLOATX80
-void set_floatx80_rounding_precision(int val STATUS_PARAM)
-{
-    STATUS(floatx80_rounding_precision) = val;
-}
-#endif
-
-/*----------------------------------------------------------------------------
-| Takes a 64-bit fixed-point value `absZ' with binary point between bits 6
-| and 7, and returns the properly rounded 32-bit integer corresponding to the
-| input.  If `zSign' is 1, the input is negated before being converted to an
-| integer.  Bit 63 of `absZ' must be zero.  Ordinarily, the fixed-point input
-| is simply rounded to an integer, with the inexact exception raised if the
-| input cannot be represented exactly as an integer.  However, if the fixed-
-| point input is too large, the invalid exception is raised and the largest
-| positive or negative integer is returned.
-*----------------------------------------------------------------------------*/
-
-static int32 roundAndPackInt32( flag zSign, bits64 absZ STATUS_PARAM)
-{
-    int8 roundingMode;
-    flag roundNearestEven;
-    int8 roundIncrement, roundBits;
-    int32 z;
-
-    roundingMode = STATUS(float_rounding_mode);
-    roundNearestEven = ( roundingMode == float_round_nearest_even );
-    roundIncrement = 0x40;
-    if ( ! roundNearestEven ) {
-        if ( roundingMode == float_round_to_zero ) {
-            roundIncrement = 0;
-        }
-        else {
-            roundIncrement = 0x7F;
-            if ( zSign ) {
-                if ( roundingMode == float_round_up ) roundIncrement = 0;
-            }
-            else {
-                if ( roundingMode == float_round_down ) roundIncrement = 0;
-            }
-        }
-    }
-    roundBits = absZ & 0x7F;
-    absZ = ( absZ + roundIncrement )>>7;
-    absZ &= ~ ( ( ( roundBits ^ 0x40 ) == 0 ) & roundNearestEven );
-    z = absZ;
-    if ( zSign ) z = - z;
-    if ( ( absZ>>32 ) || ( z && ( ( z < 0 ) ^ zSign ) ) ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return zSign ? (sbits32) 0x80000000 : 0x7FFFFFFF;
-    }
-    if ( roundBits ) STATUS(float_exception_flags) |= float_flag_inexact;
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Takes the 128-bit fixed-point value formed by concatenating `absZ0' and
-| `absZ1', with binary point between bits 63 and 64 (between the input words),
-| and returns the properly rounded 64-bit integer corresponding to the input.
-| If `zSign' is 1, the input is negated before being converted to an integer.
-| Ordinarily, the fixed-point input is simply rounded to an integer, with
-| the inexact exception raised if the input cannot be represented exactly as
-| an integer.  However, if the fixed-point input is too large, the invalid
-| exception is raised and the largest positive or negative integer is
-| returned.
-*----------------------------------------------------------------------------*/
-
-static int64 roundAndPackInt64( flag zSign, bits64 absZ0, bits64 absZ1 STATUS_PARAM)
-{
-    int8 roundingMode;
-    flag roundNearestEven, increment;
-    int64 z;
-
-    roundingMode = STATUS(float_rounding_mode);
-    roundNearestEven = ( roundingMode == float_round_nearest_even );
-    increment = ( (sbits64) absZ1 < 0 );
-    if ( ! roundNearestEven ) {
-        if ( roundingMode == float_round_to_zero ) {
-            increment = 0;
-        }
-        else {
-            if ( zSign ) {
-                increment = ( roundingMode == float_round_down ) && absZ1;
-            }
-            else {
-                increment = ( roundingMode == float_round_up ) && absZ1;
-            }
-        }
-    }
-    if ( increment ) {
-        ++absZ0;
-        if ( absZ0 == 0 ) goto overflow;
-        absZ0 &= ~ ( ( (bits64) ( absZ1<<1 ) == 0 ) & roundNearestEven );
-    }
-    z = absZ0;
-    if ( zSign ) z = - z;
-    if ( z && ( ( z < 0 ) ^ zSign ) ) {
- overflow:
-        float_raise( float_flag_invalid STATUS_VAR);
-        return
-              zSign ? (sbits64) LIT64( 0x8000000000000000 )
-            : LIT64( 0x7FFFFFFFFFFFFFFF );
-    }
-    if ( absZ1 ) STATUS(float_exception_flags) |= float_flag_inexact;
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the fraction bits of the single-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE bits32 extractFloat32Frac( float32 a )
-{
-
-    return float32_val(a) & 0x007FFFFF;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the exponent bits of the single-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE int16 extractFloat32Exp( float32 a )
-{
-
-    return ( float32_val(a)>>23 ) & 0xFF;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the sign bit of the single-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE flag extractFloat32Sign( float32 a )
-{
-
-    return float32_val(a)>>31;
-
-}
-
-/*----------------------------------------------------------------------------
-| Normalizes the subnormal single-precision floating-point value represented
-| by the denormalized significand `aSig'.  The normalized exponent and
-| significand are stored at the locations pointed to by `zExpPtr' and
-| `zSigPtr', respectively.
-*----------------------------------------------------------------------------*/
-
-static void
- normalizeFloat32Subnormal( bits32 aSig, int16 *zExpPtr, bits32 *zSigPtr )
-{
-    int8 shiftCount;
-
-    shiftCount = countLeadingZeros32( aSig ) - 8;
-    *zSigPtr = aSig<<shiftCount;
-    *zExpPtr = 1 - shiftCount;
-
-}
-
-/*----------------------------------------------------------------------------
-| Packs the sign `zSign', exponent `zExp', and significand `zSig' into a
-| single-precision floating-point value, returning the result.  After being
-| shifted into the proper positions, the three fields are simply added
-| together to form the result.  This means that any integer portion of `zSig'
-| will be added into the exponent.  Since a properly normalized significand
-| will have an integer portion equal to 1, the `zExp' input should be 1 less
-| than the desired result exponent whenever `zSig' is a complete, normalized
-| significand.
-*----------------------------------------------------------------------------*/
-
-INLINE float32 packFloat32( flag zSign, int16 zExp, bits32 zSig )
-{
-
-    return make_float32(
-          ( ( (bits32) zSign )<<31 ) + ( ( (bits32) zExp )<<23 ) + zSig);
-
-}
-
-/*----------------------------------------------------------------------------
-| Takes an abstract floating-point value having sign `zSign', exponent `zExp',
-| and significand `zSig', and returns the proper single-precision floating-
-| point value corresponding to the abstract input.  Ordinarily, the abstract
-| value is simply rounded and packed into the single-precision format, with
-| the inexact exception raised if the abstract input cannot be represented
-| exactly.  However, if the abstract value is too large, the overflow and
-| inexact exceptions are raised and an infinity or maximal finite value is
-| returned.  If the abstract value is too small, the input value is rounded to
-| a subnormal number, and the underflow and inexact exceptions are raised if
-| the abstract input cannot be represented exactly as a subnormal single-
-| precision floating-point number.
-|     The input significand `zSig' has its binary point between bits 30
-| and 29, which is 7 bits to the left of the usual location.  This shifted
-| significand must be normalized or smaller.  If `zSig' is not normalized,
-| `zExp' must be 0; in that case, the result returned is a subnormal number,
-| and it must not require rounding.  In the usual case that `zSig' is
-| normalized, `zExp' must be 1 less than the ``true'' floating-point exponent.
-| The handling of underflow and overflow follows the IEC/IEEE Standard for
-| Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-static float32 roundAndPackFloat32( flag zSign, int16 zExp, bits32 zSig STATUS_PARAM)
-{
-    int8 roundingMode;
-    flag roundNearestEven;
-    int8 roundIncrement, roundBits;
-    flag isTiny;
-
-    roundingMode = STATUS(float_rounding_mode);
-    roundNearestEven = ( roundingMode == float_round_nearest_even );
-    roundIncrement = 0x40;
-    if ( ! roundNearestEven ) {
-        if ( roundingMode == float_round_to_zero ) {
-            roundIncrement = 0;
-        }
-        else {
-            roundIncrement = 0x7F;
-            if ( zSign ) {
-                if ( roundingMode == float_round_up ) roundIncrement = 0;
-            }
-            else {
-                if ( roundingMode == float_round_down ) roundIncrement = 0;
-            }
-        }
-    }
-    roundBits = zSig & 0x7F;
-    if ( 0xFD <= (bits16) zExp ) {
-        if (    ( 0xFD < zExp )
-             || (    ( zExp == 0xFD )
-                  && ( (sbits32) ( zSig + roundIncrement ) < 0 ) )
-           ) {
-            float_raise( float_flag_overflow | float_flag_inexact STATUS_VAR);
-            return packFloat32( zSign, 0xFF, - ( roundIncrement == 0 ));
-        }
-        if ( zExp < 0 ) {
-            isTiny =
-                   ( STATUS(float_detect_tininess) == float_tininess_before_rounding )
-                || ( zExp < -1 )
-                || ( zSig + roundIncrement < 0x80000000 );
-            shift32RightJamming( zSig, - zExp, &zSig );
-            zExp = 0;
-            roundBits = zSig & 0x7F;
-            if ( isTiny && roundBits ) float_raise( float_flag_underflow STATUS_VAR);
-        }
-    }
-    if ( roundBits ) STATUS(float_exception_flags) |= float_flag_inexact;
-    zSig = ( zSig + roundIncrement )>>7;
-    zSig &= ~ ( ( ( roundBits ^ 0x40 ) == 0 ) & roundNearestEven );
-    if ( zSig == 0 ) zExp = 0;
-    return packFloat32( zSign, zExp, zSig );
-
-}
-
-/*----------------------------------------------------------------------------
-| Takes an abstract floating-point value having sign `zSign', exponent `zExp',
-| and significand `zSig', and returns the proper single-precision floating-
-| point value corresponding to the abstract input.  This routine is just like
-| `roundAndPackFloat32' except that `zSig' does not have to be normalized.
-| Bit 31 of `zSig' must be zero, and `zExp' must be 1 less than the ``true''
-| floating-point exponent.
-*----------------------------------------------------------------------------*/
-
-static float32
- normalizeRoundAndPackFloat32( flag zSign, int16 zExp, bits32 zSig STATUS_PARAM)
-{
-    int8 shiftCount;
-
-    shiftCount = countLeadingZeros32( zSig ) - 1;
-    return roundAndPackFloat32( zSign, zExp - shiftCount, zSig<<shiftCount STATUS_VAR);
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the fraction bits of the double-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE bits64 extractFloat64Frac( float64 a )
-{
-
-    return float64_val(a) & LIT64( 0x000FFFFFFFFFFFFF );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the exponent bits of the double-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE int16 extractFloat64Exp( float64 a )
-{
-
-    return ( float64_val(a)>>52 ) & 0x7FF;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the sign bit of the double-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE flag extractFloat64Sign( float64 a )
-{
-
-    return float64_val(a)>>63;
-
-}
-
-/*----------------------------------------------------------------------------
-| Normalizes the subnormal double-precision floating-point value represented
-| by the denormalized significand `aSig'.  The normalized exponent and
-| significand are stored at the locations pointed to by `zExpPtr' and
-| `zSigPtr', respectively.
-*----------------------------------------------------------------------------*/
-
-static void
- normalizeFloat64Subnormal( bits64 aSig, int16 *zExpPtr, bits64 *zSigPtr )
-{
-    int8 shiftCount;
-
-    shiftCount = countLeadingZeros64( aSig ) - 11;
-    *zSigPtr = aSig<<shiftCount;
-    *zExpPtr = 1 - shiftCount;
-
-}
-
-/*----------------------------------------------------------------------------
-| Packs the sign `zSign', exponent `zExp', and significand `zSig' into a
-| double-precision floating-point value, returning the result.  After being
-| shifted into the proper positions, the three fields are simply added
-| together to form the result.  This means that any integer portion of `zSig'
-| will be added into the exponent.  Since a properly normalized significand
-| will have an integer portion equal to 1, the `zExp' input should be 1 less
-| than the desired result exponent whenever `zSig' is a complete, normalized
-| significand.
-*----------------------------------------------------------------------------*/
-
-INLINE float64 packFloat64( flag zSign, int16 zExp, bits64 zSig )
-{
-
-    return make_float64(
-        ( ( (bits64) zSign )<<63 ) + ( ( (bits64) zExp )<<52 ) + zSig);
-
-}
-
-/*----------------------------------------------------------------------------
-| Takes an abstract floating-point value having sign `zSign', exponent `zExp',
-| and significand `zSig', and returns the proper double-precision floating-
-| point value corresponding to the abstract input.  Ordinarily, the abstract
-| value is simply rounded and packed into the double-precision format, with
-| the inexact exception raised if the abstract input cannot be represented
-| exactly.  However, if the abstract value is too large, the overflow and
-| inexact exceptions are raised and an infinity or maximal finite value is
-| returned.  If the abstract value is too small, the input value is rounded
-| to a subnormal number, and the underflow and inexact exceptions are raised
-| if the abstract input cannot be represented exactly as a subnormal double-
-| precision floating-point number.
-|     The input significand `zSig' has its binary point between bits 62
-| and 61, which is 10 bits to the left of the usual location.  This shifted
-| significand must be normalized or smaller.  If `zSig' is not normalized,
-| `zExp' must be 0; in that case, the result returned is a subnormal number,
-| and it must not require rounding.  In the usual case that `zSig' is
-| normalized, `zExp' must be 1 less than the ``true'' floating-point exponent.
-| The handling of underflow and overflow follows the IEC/IEEE Standard for
-| Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-static float64 roundAndPackFloat64( flag zSign, int16 zExp, bits64 zSig STATUS_PARAM)
-{
-    int8 roundingMode;
-    flag roundNearestEven;
-    int16 roundIncrement, roundBits;
-    flag isTiny;
-
-    roundingMode = STATUS(float_rounding_mode);
-    roundNearestEven = ( roundingMode == float_round_nearest_even );
-    roundIncrement = 0x200;
-    if ( ! roundNearestEven ) {
-        if ( roundingMode == float_round_to_zero ) {
-            roundIncrement = 0;
-        }
-        else {
-            roundIncrement = 0x3FF;
-            if ( zSign ) {
-                if ( roundingMode == float_round_up ) roundIncrement = 0;
-            }
-            else {
-                if ( roundingMode == float_round_down ) roundIncrement = 0;
-            }
-        }
-    }
-    roundBits = zSig & 0x3FF;
-    if ( 0x7FD <= (bits16) zExp ) {
-        if (    ( 0x7FD < zExp )
-             || (    ( zExp == 0x7FD )
-                  && ( (sbits64) ( zSig + roundIncrement ) < 0 ) )
-           ) {
-            float_raise( float_flag_overflow | float_flag_inexact STATUS_VAR);
-            return packFloat64( zSign, 0x7FF, - ( roundIncrement == 0 ));
-        }
-        if ( zExp < 0 ) {
-            isTiny =
-                   ( STATUS(float_detect_tininess) == float_tininess_before_rounding )
-                || ( zExp < -1 )
-                || ( zSig + roundIncrement < LIT64( 0x8000000000000000 ) );
-            shift64RightJamming( zSig, - zExp, &zSig );
-            zExp = 0;
-            roundBits = zSig & 0x3FF;
-            if ( isTiny && roundBits ) float_raise( float_flag_underflow STATUS_VAR);
-        }
-    }
-    if ( roundBits ) STATUS(float_exception_flags) |= float_flag_inexact;
-    zSig = ( zSig + roundIncrement )>>10;
-    zSig &= ~ ( ( ( roundBits ^ 0x200 ) == 0 ) & roundNearestEven );
-    if ( zSig == 0 ) zExp = 0;
-    return packFloat64( zSign, zExp, zSig );
-
-}
-
-/*----------------------------------------------------------------------------
-| Takes an abstract floating-point value having sign `zSign', exponent `zExp',
-| and significand `zSig', and returns the proper double-precision floating-
-| point value corresponding to the abstract input.  This routine is just like
-| `roundAndPackFloat64' except that `zSig' does not have to be normalized.
-| Bit 63 of `zSig' must be zero, and `zExp' must be 1 less than the ``true''
-| floating-point exponent.
-*----------------------------------------------------------------------------*/
-
-static float64
- normalizeRoundAndPackFloat64( flag zSign, int16 zExp, bits64 zSig STATUS_PARAM)
-{
-    int8 shiftCount;
-
-    shiftCount = countLeadingZeros64( zSig ) - 1;
-    return roundAndPackFloat64( zSign, zExp - shiftCount, zSig<<shiftCount STATUS_VAR);
-
-}
-
-#ifdef FLOATX80
-
-/*----------------------------------------------------------------------------
-| Returns the fraction bits of the extended double-precision floating-point
-| value `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE bits64 extractFloatx80Frac( floatx80 a )
-{
-
-    return a.low;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the exponent bits of the extended double-precision floating-point
-| value `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE int32 extractFloatx80Exp( floatx80 a )
-{
-
-    return a.high & 0x7FFF;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the sign bit of the extended double-precision floating-point value
-| `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE flag extractFloatx80Sign( floatx80 a )
-{
-
-    return a.high>>15;
-
-}
-
-/*----------------------------------------------------------------------------
-| Normalizes the subnormal extended double-precision floating-point value
-| represented by the denormalized significand `aSig'.  The normalized exponent
-| and significand are stored at the locations pointed to by `zExpPtr' and
-| `zSigPtr', respectively.
-*----------------------------------------------------------------------------*/
-
-static void
- normalizeFloatx80Subnormal( bits64 aSig, int32 *zExpPtr, bits64 *zSigPtr )
-{
-    int8 shiftCount;
-
-    shiftCount = countLeadingZeros64( aSig );
-    *zSigPtr = aSig<<shiftCount;
-    *zExpPtr = 1 - shiftCount;
-
-}
-
-/*----------------------------------------------------------------------------
-| Packs the sign `zSign', exponent `zExp', and significand `zSig' into an
-| extended double-precision floating-point value, returning the result.
-*----------------------------------------------------------------------------*/
-
-INLINE floatx80 packFloatx80( flag zSign, int32 zExp, bits64 zSig )
-{
-    floatx80 z;
-
-    z.low = zSig;
-    z.high = ( ( (bits16) zSign )<<15 ) + zExp;
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Takes an abstract floating-point value having sign `zSign', exponent `zExp',
-| and extended significand formed by the concatenation of `zSig0' and `zSig1',
-| and returns the proper extended double-precision floating-point value
-| corresponding to the abstract input.  Ordinarily, the abstract value is
-| rounded and packed into the extended double-precision format, with the
-| inexact exception raised if the abstract input cannot be represented
-| exactly.  However, if the abstract value is too large, the overflow and
-| inexact exceptions are raised and an infinity or maximal finite value is
-| returned.  If the abstract value is too small, the input value is rounded to
-| a subnormal number, and the underflow and inexact exceptions are raised if
-| the abstract input cannot be represented exactly as a subnormal extended
-| double-precision floating-point number.
-|     If `roundingPrecision' is 32 or 64, the result is rounded to the same
-| number of bits as single or double precision, respectively.  Otherwise, the
-| result is rounded to the full precision of the extended double-precision
-| format.
-|     The input significand must be normalized or smaller.  If the input
-| significand is not normalized, `zExp' must be 0; in that case, the result
-| returned is a subnormal number, and it must not require rounding.  The
-| handling of underflow and overflow follows the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-static floatx80
- roundAndPackFloatx80(
-     int8 roundingPrecision, flag zSign, int32 zExp, bits64 zSig0, bits64 zSig1
- STATUS_PARAM)
-{
-    int8 roundingMode;
-    flag roundNearestEven, increment, isTiny;
-    int64 roundIncrement, roundMask, roundBits;
-
-    roundingMode = STATUS(float_rounding_mode);
-    roundNearestEven = ( roundingMode == float_round_nearest_even );
-    if ( roundingPrecision == 80 ) goto precision80;
-    if ( roundingPrecision == 64 ) {
-        roundIncrement = LIT64( 0x0000000000000400 );
-        roundMask = LIT64( 0x00000000000007FF );
-    }
-    else if ( roundingPrecision == 32 ) {
-        roundIncrement = LIT64( 0x0000008000000000 );
-        roundMask = LIT64( 0x000000FFFFFFFFFF );
-    }
-    else {
-        goto precision80;
-    }
-    zSig0 |= ( zSig1 != 0 );
-    if ( ! roundNearestEven ) {
-        if ( roundingMode == float_round_to_zero ) {
-            roundIncrement = 0;
-        }
-        else {
-            roundIncrement = roundMask;
-            if ( zSign ) {
-                if ( roundingMode == float_round_up ) roundIncrement = 0;
-            }
-            else {
-                if ( roundingMode == float_round_down ) roundIncrement = 0;
-            }
-        }
-    }
-    roundBits = zSig0 & roundMask;
-    if ( 0x7FFD <= (bits32) ( zExp - 1 ) ) {
-        if (    ( 0x7FFE < zExp )
-             || ( ( zExp == 0x7FFE ) && ( zSig0 + roundIncrement < zSig0 ) )
-           ) {
-            goto overflow;
-        }
-        if ( zExp <= 0 ) {
-            isTiny =
-                   ( STATUS(float_detect_tininess) == float_tininess_before_rounding )
-                || ( zExp < 0 )
-                || ( zSig0 <= zSig0 + roundIncrement );
-            shift64RightJamming( zSig0, 1 - zExp, &zSig0 );
-            zExp = 0;
-            roundBits = zSig0 & roundMask;
-            if ( isTiny && roundBits ) float_raise( float_flag_underflow STATUS_VAR);
-            if ( roundBits ) STATUS(float_exception_flags) |= float_flag_inexact;
-            zSig0 += roundIncrement;
-            if ( (sbits64) zSig0 < 0 ) zExp = 1;
-            roundIncrement = roundMask + 1;
-            if ( roundNearestEven && ( roundBits<<1 == roundIncrement ) ) {
-                roundMask |= roundIncrement;
-            }
-            zSig0 &= ~ roundMask;
-            return packFloatx80( zSign, zExp, zSig0 );
-        }
-    }
-    if ( roundBits ) STATUS(float_exception_flags) |= float_flag_inexact;
-    zSig0 += roundIncrement;
-    if ( zSig0 < roundIncrement ) {
-        ++zExp;
-        zSig0 = LIT64( 0x8000000000000000 );
-    }
-    roundIncrement = roundMask + 1;
-    if ( roundNearestEven && ( roundBits<<1 == roundIncrement ) ) {
-        roundMask |= roundIncrement;
-    }
-    zSig0 &= ~ roundMask;
-    if ( zSig0 == 0 ) zExp = 0;
-    return packFloatx80( zSign, zExp, zSig0 );
- precision80:
-    increment = ( (sbits64) zSig1 < 0 );
-    if ( ! roundNearestEven ) {
-        if ( roundingMode == float_round_to_zero ) {
-            increment = 0;
-        }
-        else {
-            if ( zSign ) {
-                increment = ( roundingMode == float_round_down ) && zSig1;
-            }
-            else {
-                increment = ( roundingMode == float_round_up ) && zSig1;
-            }
-        }
-    }
-    if ( 0x7FFD <= (bits32) ( zExp - 1 ) ) {
-        if (    ( 0x7FFE < zExp )
-             || (    ( zExp == 0x7FFE )
-                  && ( zSig0 == LIT64( 0xFFFFFFFFFFFFFFFF ) )
-                  && increment
-                )
-           ) {
-            roundMask = 0;
- overflow:
-            float_raise( float_flag_overflow | float_flag_inexact STATUS_VAR);
-            if (    ( roundingMode == float_round_to_zero )
-                 || ( zSign && ( roundingMode == float_round_up ) )
-                 || ( ! zSign && ( roundingMode == float_round_down ) )
-               ) {
-                return packFloatx80( zSign, 0x7FFE, ~ roundMask );
-            }
-            return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
-        }
-        if ( zExp <= 0 ) {
-            isTiny =
-                   ( STATUS(float_detect_tininess) == float_tininess_before_rounding )
-                || ( zExp < 0 )
-                || ! increment
-                || ( zSig0 < LIT64( 0xFFFFFFFFFFFFFFFF ) );
-            shift64ExtraRightJamming( zSig0, zSig1, 1 - zExp, &zSig0, &zSig1 );
-            zExp = 0;
-            if ( isTiny && zSig1 ) float_raise( float_flag_underflow STATUS_VAR);
-            if ( zSig1 ) STATUS(float_exception_flags) |= float_flag_inexact;
-            if ( roundNearestEven ) {
-                increment = ( (sbits64) zSig1 < 0 );
-            }
-            else {
-                if ( zSign ) {
-                    increment = ( roundingMode == float_round_down ) && zSig1;
-                }
-                else {
-                    increment = ( roundingMode == float_round_up ) && zSig1;
-                }
-            }
-            if ( increment ) {
-                ++zSig0;
-                zSig0 &=
-                    ~ ( ( (bits64) ( zSig1<<1 ) == 0 ) & roundNearestEven );
-                if ( (sbits64) zSig0 < 0 ) zExp = 1;
-            }
-            return packFloatx80( zSign, zExp, zSig0 );
-        }
-    }
-    if ( zSig1 ) STATUS(float_exception_flags) |= float_flag_inexact;
-    if ( increment ) {
-        ++zSig0;
-        if ( zSig0 == 0 ) {
-            ++zExp;
-            zSig0 = LIT64( 0x8000000000000000 );
-        }
-        else {
-            zSig0 &= ~ ( ( (bits64) ( zSig1<<1 ) == 0 ) & roundNearestEven );
-        }
-    }
-    else {
-        if ( zSig0 == 0 ) zExp = 0;
-    }
-    return packFloatx80( zSign, zExp, zSig0 );
-
-}
-
-/*----------------------------------------------------------------------------
-| Takes an abstract floating-point value having sign `zSign', exponent
-| `zExp', and significand formed by the concatenation of `zSig0' and `zSig1',
-| and returns the proper extended double-precision floating-point value
-| corresponding to the abstract input.  This routine is just like
-| `roundAndPackFloatx80' except that the input significand does not have to be
-| normalized.
-*----------------------------------------------------------------------------*/
-
-static floatx80
- normalizeRoundAndPackFloatx80(
-     int8 roundingPrecision, flag zSign, int32 zExp, bits64 zSig0, bits64 zSig1
- STATUS_PARAM)
-{
-    int8 shiftCount;
-
-    if ( zSig0 == 0 ) {
-        zSig0 = zSig1;
-        zSig1 = 0;
-        zExp -= 64;
-    }
-    shiftCount = countLeadingZeros64( zSig0 );
-    shortShift128Left( zSig0, zSig1, shiftCount, &zSig0, &zSig1 );
-    zExp -= shiftCount;
-    return
-        roundAndPackFloatx80( roundingPrecision, zSign, zExp, zSig0, zSig1 STATUS_VAR);
-
-}
-
-#endif
-
-#ifdef FLOAT128
-
-/*----------------------------------------------------------------------------
-| Returns the least-significant 64 fraction bits of the quadruple-precision
-| floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE bits64 extractFloat128Frac1( float128 a )
-{
-
-    return a.low;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the most-significant 48 fraction bits of the quadruple-precision
-| floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE bits64 extractFloat128Frac0( float128 a )
-{
-
-    return a.high & LIT64( 0x0000FFFFFFFFFFFF );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the exponent bits of the quadruple-precision floating-point value
-| `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE int32 extractFloat128Exp( float128 a )
-{
-
-    return ( a.high>>48 ) & 0x7FFF;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the sign bit of the quadruple-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-INLINE flag extractFloat128Sign( float128 a )
-{
-
-    return a.high>>63;
-
-}
-
-/*----------------------------------------------------------------------------
-| Normalizes the subnormal quadruple-precision floating-point value
-| represented by the denormalized significand formed by the concatenation of
-| `aSig0' and `aSig1'.  The normalized exponent is stored at the location
-| pointed to by `zExpPtr'.  The most significant 49 bits of the normalized
-| significand are stored at the location pointed to by `zSig0Ptr', and the
-| least significant 64 bits of the normalized significand are stored at the
-| location pointed to by `zSig1Ptr'.
-*----------------------------------------------------------------------------*/
-
-static void
- normalizeFloat128Subnormal(
-     bits64 aSig0,
-     bits64 aSig1,
-     int32 *zExpPtr,
-     bits64 *zSig0Ptr,
-     bits64 *zSig1Ptr
- )
-{
-    int8 shiftCount;
-
-    if ( aSig0 == 0 ) {
-        shiftCount = countLeadingZeros64( aSig1 ) - 15;
-        if ( shiftCount < 0 ) {
-            *zSig0Ptr = aSig1>>( - shiftCount );
-            *zSig1Ptr = aSig1<<( shiftCount & 63 );
-        }
-        else {
-            *zSig0Ptr = aSig1<<shiftCount;
-            *zSig1Ptr = 0;
-        }
-        *zExpPtr = - shiftCount - 63;
-    }
-    else {
-        shiftCount = countLeadingZeros64( aSig0 ) - 15;
-        shortShift128Left( aSig0, aSig1, shiftCount, zSig0Ptr, zSig1Ptr );
-        *zExpPtr = 1 - shiftCount;
-    }
-
-}
-
-/*----------------------------------------------------------------------------
-| Packs the sign `zSign', the exponent `zExp', and the significand formed
-| by the concatenation of `zSig0' and `zSig1' into a quadruple-precision
-| floating-point value, returning the result.  After being shifted into the
-| proper positions, the three fields `zSign', `zExp', and `zSig0' are simply
-| added together to form the most significant 32 bits of the result.  This
-| means that any integer portion of `zSig0' will be added into the exponent.
-| Since a properly normalized significand will have an integer portion equal
-| to 1, the `zExp' input should be 1 less than the desired result exponent
-| whenever `zSig0' and `zSig1' concatenated form a complete, normalized
-| significand.
-*----------------------------------------------------------------------------*/
-
-INLINE float128
- packFloat128( flag zSign, int32 zExp, bits64 zSig0, bits64 zSig1 )
-{
-    float128 z;
-
-    z.low = zSig1;
-    z.high = ( ( (bits64) zSign )<<63 ) + ( ( (bits64) zExp )<<48 ) + zSig0;
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Takes an abstract floating-point value having sign `zSign', exponent `zExp',
-| and extended significand formed by the concatenation of `zSig0', `zSig1',
-| and `zSig2', and returns the proper quadruple-precision floating-point value
-| corresponding to the abstract input.  Ordinarily, the abstract value is
-| simply rounded and packed into the quadruple-precision format, with the
-| inexact exception raised if the abstract input cannot be represented
-| exactly.  However, if the abstract value is too large, the overflow and
-| inexact exceptions are raised and an infinity or maximal finite value is
-| returned.  If the abstract value is too small, the input value is rounded to
-| a subnormal number, and the underflow and inexact exceptions are raised if
-| the abstract input cannot be represented exactly as a subnormal quadruple-
-| precision floating-point number.
-|     The input significand must be normalized or smaller.  If the input
-| significand is not normalized, `zExp' must be 0; in that case, the result
-| returned is a subnormal number, and it must not require rounding.  In the
-| usual case that the input significand is normalized, `zExp' must be 1 less
-| than the ``true'' floating-point exponent.  The handling of underflow and
-| overflow follows the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-static float128
- roundAndPackFloat128(
-     flag zSign, int32 zExp, bits64 zSig0, bits64 zSig1, bits64 zSig2 STATUS_PARAM)
-{
-    int8 roundingMode;
-    flag roundNearestEven, increment, isTiny;
-
-    roundingMode = STATUS(float_rounding_mode);
-    roundNearestEven = ( roundingMode == float_round_nearest_even );
-    increment = ( (sbits64) zSig2 < 0 );
-    if ( ! roundNearestEven ) {
-        if ( roundingMode == float_round_to_zero ) {
-            increment = 0;
-        }
-        else {
-            if ( zSign ) {
-                increment = ( roundingMode == float_round_down ) && zSig2;
-            }
-            else {
-                increment = ( roundingMode == float_round_up ) && zSig2;
-            }
-        }
-    }
-    if ( 0x7FFD <= (bits32) zExp ) {
-        if (    ( 0x7FFD < zExp )
-             || (    ( zExp == 0x7FFD )
-                  && eq128(
-                         LIT64( 0x0001FFFFFFFFFFFF ),
-                         LIT64( 0xFFFFFFFFFFFFFFFF ),
-                         zSig0,
-                         zSig1
-                     )
-                  && increment
-                )
-           ) {
-            float_raise( float_flag_overflow | float_flag_inexact STATUS_VAR);
-            if (    ( roundingMode == float_round_to_zero )
-                 || ( zSign && ( roundingMode == float_round_up ) )
-                 || ( ! zSign && ( roundingMode == float_round_down ) )
-               ) {
-                return
-                    packFloat128(
-                        zSign,
-                        0x7FFE,
-                        LIT64( 0x0000FFFFFFFFFFFF ),
-                        LIT64( 0xFFFFFFFFFFFFFFFF )
-                    );
-            }
-            return packFloat128( zSign, 0x7FFF, 0, 0 );
-        }
-        if ( zExp < 0 ) {
-            isTiny =
-                   ( STATUS(float_detect_tininess) == float_tininess_before_rounding )
-                || ( zExp < -1 )
-                || ! increment
-                || lt128(
-                       zSig0,
-                       zSig1,
-                       LIT64( 0x0001FFFFFFFFFFFF ),
-                       LIT64( 0xFFFFFFFFFFFFFFFF )
-                   );
-            shift128ExtraRightJamming(
-                zSig0, zSig1, zSig2, - zExp, &zSig0, &zSig1, &zSig2 );
-            zExp = 0;
-            if ( isTiny && zSig2 ) float_raise( float_flag_underflow STATUS_VAR);
-            if ( roundNearestEven ) {
-                increment = ( (sbits64) zSig2 < 0 );
-            }
-            else {
-                if ( zSign ) {
-                    increment = ( roundingMode == float_round_down ) && zSig2;
-                }
-                else {
-                    increment = ( roundingMode == float_round_up ) && zSig2;
-                }
-            }
-        }
-    }
-    if ( zSig2 ) STATUS(float_exception_flags) |= float_flag_inexact;
-    if ( increment ) {
-        add128( zSig0, zSig1, 0, 1, &zSig0, &zSig1 );
-        zSig1 &= ~ ( ( zSig2 + zSig2 == 0 ) & roundNearestEven );
-    }
-    else {
-        if ( ( zSig0 | zSig1 ) == 0 ) zExp = 0;
-    }
-    return packFloat128( zSign, zExp, zSig0, zSig1 );
-
-}
-
-/*----------------------------------------------------------------------------
-| Takes an abstract floating-point value having sign `zSign', exponent `zExp',
-| and significand formed by the concatenation of `zSig0' and `zSig1', and
-| returns the proper quadruple-precision floating-point value corresponding
-| to the abstract input.  This routine is just like `roundAndPackFloat128'
-| except that the input significand has fewer bits and does not have to be
-| normalized.  In all cases, `zExp' must be 1 less than the ``true'' floating-
-| point exponent.
-*----------------------------------------------------------------------------*/
-
-static float128
- normalizeRoundAndPackFloat128(
-     flag zSign, int32 zExp, bits64 zSig0, bits64 zSig1 STATUS_PARAM)
-{
-    int8 shiftCount;
-    bits64 zSig2;
-
-    if ( zSig0 == 0 ) {
-        zSig0 = zSig1;
-        zSig1 = 0;
-        zExp -= 64;
-    }
-    shiftCount = countLeadingZeros64( zSig0 ) - 15;
-    if ( 0 <= shiftCount ) {
-        zSig2 = 0;
-        shortShift128Left( zSig0, zSig1, shiftCount, &zSig0, &zSig1 );
-    }
-    else {
-        shift128ExtraRightJamming(
-            zSig0, zSig1, 0, - shiftCount, &zSig0, &zSig1, &zSig2 );
-    }
-    zExp -= shiftCount;
-    return roundAndPackFloat128( zSign, zExp, zSig0, zSig1, zSig2 STATUS_VAR);
-
-}
-
-#endif
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the 32-bit two's complement integer `a'
-| to the single-precision floating-point format.  The conversion is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float32 int32_to_float32( int32 a STATUS_PARAM )
-{
-    flag zSign;
-
-    if ( a == 0 ) return float32_zero;
-    if ( a == (sbits32) 0x80000000 ) return packFloat32( 1, 0x9E, 0 );
-    zSign = ( a < 0 );
-    return normalizeRoundAndPackFloat32( zSign, 0x9C, zSign ? - a : a STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the 32-bit two's complement integer `a'
-| to the double-precision floating-point format.  The conversion is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float64 int32_to_float64( int32 a STATUS_PARAM )
-{
-    flag zSign;
-    uint32 absA;
-    int8 shiftCount;
-    bits64 zSig;
-
-    if ( a == 0 ) return float64_zero;
-    zSign = ( a < 0 );
-    absA = zSign ? - a : a;
-    shiftCount = countLeadingZeros32( absA ) + 21;
-    zSig = absA;
-    return packFloat64( zSign, 0x432 - shiftCount, zSig<<shiftCount );
-
-}
-
-#ifdef FLOATX80
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the 32-bit two's complement integer `a'
-| to the extended double-precision floating-point format.  The conversion
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 int32_to_floatx80( int32 a STATUS_PARAM )
-{
-    flag zSign;
-    uint32 absA;
-    int8 shiftCount;
-    bits64 zSig;
-
-    if ( a == 0 ) return packFloatx80( 0, 0, 0 );
-    zSign = ( a < 0 );
-    absA = zSign ? - a : a;
-    shiftCount = countLeadingZeros32( absA ) + 32;
-    zSig = absA;
-    return packFloatx80( zSign, 0x403E - shiftCount, zSig<<shiftCount );
-
-}
-
-#endif
-
-#ifdef FLOAT128
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the 32-bit two's complement integer `a' to
-| the quadruple-precision floating-point format.  The conversion is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float128 int32_to_float128( int32 a STATUS_PARAM )
-{
-    flag zSign;
-    uint32 absA;
-    int8 shiftCount;
-    bits64 zSig0;
-
-    if ( a == 0 ) return packFloat128( 0, 0, 0, 0 );
-    zSign = ( a < 0 );
-    absA = zSign ? - a : a;
-    shiftCount = countLeadingZeros32( absA ) + 17;
-    zSig0 = absA;
-    return packFloat128( zSign, 0x402E - shiftCount, zSig0<<shiftCount, 0 );
-
-}
-
-#endif
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the 64-bit two's complement integer `a'
-| to the single-precision floating-point format.  The conversion is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float32 int64_to_float32( int64 a STATUS_PARAM )
-{
-    flag zSign;
-    uint64 absA;
-    int8 shiftCount;
-
-    if ( a == 0 ) return float32_zero;
-    zSign = ( a < 0 );
-    absA = zSign ? - a : a;
-    shiftCount = countLeadingZeros64( absA ) - 40;
-    if ( 0 <= shiftCount ) {
-        return packFloat32( zSign, 0x95 - shiftCount, absA<<shiftCount );
-    }
-    else {
-        shiftCount += 7;
-        if ( shiftCount < 0 ) {
-            shift64RightJamming( absA, - shiftCount, &absA );
-        }
-        else {
-            absA <<= shiftCount;
-        }
-        return roundAndPackFloat32( zSign, 0x9C - shiftCount, absA STATUS_VAR );
-    }
-
-}
-
-float32 uint64_to_float32( uint64 a STATUS_PARAM )
-{
-    int8 shiftCount;
-
-    if ( a == 0 ) return float32_zero;
-    shiftCount = countLeadingZeros64( a ) - 40;
-    if ( 0 <= shiftCount ) {
-        return packFloat32( 1 > 0, 0x95 - shiftCount, a<<shiftCount );
-    }
-    else {
-        shiftCount += 7;
-        if ( shiftCount < 0 ) {
-            shift64RightJamming( a, - shiftCount, &a );
-        }
-        else {
-            a <<= shiftCount;
-        }
-        return roundAndPackFloat32( 1 > 0, 0x9C - shiftCount, a STATUS_VAR );
-    }
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the 64-bit two's complement integer `a'
-| to the double-precision floating-point format.  The conversion is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float64 int64_to_float64( int64 a STATUS_PARAM )
-{
-    flag zSign;
-
-    if ( a == 0 ) return float64_zero;
-    if ( a == (sbits64) LIT64( 0x8000000000000000 ) ) {
-        return packFloat64( 1, 0x43E, 0 );
-    }
-    zSign = ( a < 0 );
-    return normalizeRoundAndPackFloat64( zSign, 0x43C, zSign ? - a : a STATUS_VAR );
-
-}
-
-float64 uint64_to_float64( uint64 a STATUS_PARAM )
-{
-    if ( a == 0 ) return float64_zero;
-    return normalizeRoundAndPackFloat64( 0, 0x43C, a STATUS_VAR );
-
-}
-
-#ifdef FLOATX80
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the 64-bit two's complement integer `a'
-| to the extended double-precision floating-point format.  The conversion
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 int64_to_floatx80( int64 a STATUS_PARAM )
-{
-    flag zSign;
-    uint64 absA;
-    int8 shiftCount;
-
-    if ( a == 0 ) return packFloatx80( 0, 0, 0 );
-    zSign = ( a < 0 );
-    absA = zSign ? - a : a;
-    shiftCount = countLeadingZeros64( absA );
-    return packFloatx80( zSign, 0x403E - shiftCount, absA<<shiftCount );
-
-}
-
-#endif
-
-#ifdef FLOAT128
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the 64-bit two's complement integer `a' to
-| the quadruple-precision floating-point format.  The conversion is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float128 int64_to_float128( int64 a STATUS_PARAM )
-{
-    flag zSign;
-    uint64 absA;
-    int8 shiftCount;
-    int32 zExp;
-    bits64 zSig0, zSig1;
-
-    if ( a == 0 ) return packFloat128( 0, 0, 0, 0 );
-    zSign = ( a < 0 );
-    absA = zSign ? - a : a;
-    shiftCount = countLeadingZeros64( absA ) + 49;
-    zExp = 0x406E - shiftCount;
-    if ( 64 <= shiftCount ) {
-        zSig1 = 0;
-        zSig0 = absA;
-        shiftCount -= 64;
-    }
-    else {
-        zSig1 = absA;
-        zSig0 = 0;
-    }
-    shortShift128Left( zSig0, zSig1, shiftCount, &zSig0, &zSig1 );
-    return packFloat128( zSign, zExp, zSig0, zSig1 );
-
-}
-
-#endif
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the single-precision floating-point value
-| `a' to the 32-bit two's complement integer format.  The conversion is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic---which means in particular that the conversion is rounded
-| according to the current rounding mode.  If `a' is a NaN, the largest
-| positive integer is returned.  Otherwise, if the conversion overflows, the
-| largest integer with the same sign as `a' is returned.
-*----------------------------------------------------------------------------*/
-
-int32 float32_to_int32( float32 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp, shiftCount;
-    bits32 aSig;
-    bits64 aSig64;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    aSign = extractFloat32Sign( a );
-    if ( ( aExp == 0xFF ) && aSig ) aSign = 0;
-    if ( aExp ) aSig |= 0x00800000;
-    shiftCount = 0xAF - aExp;
-    aSig64 = aSig;
-    aSig64 <<= 32;
-    if ( 0 < shiftCount ) shift64RightJamming( aSig64, shiftCount, &aSig64 );
-    return roundAndPackInt32( aSign, aSig64 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the single-precision floating-point value
-| `a' to the 32-bit two's complement integer format.  The conversion is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic, except that the conversion is always rounded toward zero.
-| If `a' is a NaN, the largest positive integer is returned.  Otherwise, if
-| the conversion overflows, the largest integer with the same sign as `a' is
-| returned.
-*----------------------------------------------------------------------------*/
-
-int32 float32_to_int32_round_to_zero( float32 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp, shiftCount;
-    bits32 aSig;
-    int32 z;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    aSign = extractFloat32Sign( a );
-    shiftCount = aExp - 0x9E;
-    if ( 0 <= shiftCount ) {
-        if ( float32_val(a) != 0xCF000000 ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-            if ( ! aSign || ( ( aExp == 0xFF ) && aSig ) ) return 0x7FFFFFFF;
-        }
-        return (sbits32) 0x80000000;
-    }
-    else if ( aExp <= 0x7E ) {
-        if ( aExp | aSig ) STATUS(float_exception_flags) |= float_flag_inexact;
-        return 0;
-    }
-    aSig = ( aSig | 0x00800000 )<<8;
-    z = aSig>>( - shiftCount );
-    if ( (bits32) ( aSig<<( shiftCount & 31 ) ) ) {
-        STATUS(float_exception_flags) |= float_flag_inexact;
-    }
-    if ( aSign ) z = - z;
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the single-precision floating-point value
-| `a' to the 64-bit two's complement integer format.  The conversion is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic---which means in particular that the conversion is rounded
-| according to the current rounding mode.  If `a' is a NaN, the largest
-| positive integer is returned.  Otherwise, if the conversion overflows, the
-| largest integer with the same sign as `a' is returned.
-*----------------------------------------------------------------------------*/
-
-int64 float32_to_int64( float32 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp, shiftCount;
-    bits32 aSig;
-    bits64 aSig64, aSigExtra;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    aSign = extractFloat32Sign( a );
-    shiftCount = 0xBE - aExp;
-    if ( shiftCount < 0 ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        if ( ! aSign || ( ( aExp == 0xFF ) && aSig ) ) {
-            return LIT64( 0x7FFFFFFFFFFFFFFF );
-        }
-        return (sbits64) LIT64( 0x8000000000000000 );
-    }
-    if ( aExp ) aSig |= 0x00800000;
-    aSig64 = aSig;
-    aSig64 <<= 40;
-    shift64ExtraRightJamming( aSig64, 0, shiftCount, &aSig64, &aSigExtra );
-    return roundAndPackInt64( aSign, aSig64, aSigExtra STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the single-precision floating-point value
-| `a' to the 64-bit two's complement integer format.  The conversion is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic, except that the conversion is always rounded toward zero.  If
-| `a' is a NaN, the largest positive integer is returned.  Otherwise, if the
-| conversion overflows, the largest integer with the same sign as `a' is
-| returned.
-*----------------------------------------------------------------------------*/
-
-int64 float32_to_int64_round_to_zero( float32 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp, shiftCount;
-    bits32 aSig;
-    bits64 aSig64;
-    int64 z;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    aSign = extractFloat32Sign( a );
-    shiftCount = aExp - 0xBE;
-    if ( 0 <= shiftCount ) {
-        if ( float32_val(a) != 0xDF000000 ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-            if ( ! aSign || ( ( aExp == 0xFF ) && aSig ) ) {
-                return LIT64( 0x7FFFFFFFFFFFFFFF );
-            }
-        }
-        return (sbits64) LIT64( 0x8000000000000000 );
-    }
-    else if ( aExp <= 0x7E ) {
-        if ( aExp | aSig ) STATUS(float_exception_flags) |= float_flag_inexact;
-        return 0;
-    }
-    aSig64 = aSig | 0x00800000;
-    aSig64 <<= 40;
-    z = aSig64>>( - shiftCount );
-    if ( (bits64) ( aSig64<<( shiftCount & 63 ) ) ) {
-        STATUS(float_exception_flags) |= float_flag_inexact;
-    }
-    if ( aSign ) z = - z;
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the single-precision floating-point value
-| `a' to the double-precision floating-point format.  The conversion is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float64 float32_to_float64( float32 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp;
-    bits32 aSig;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    aSign = extractFloat32Sign( a );
-    if ( aExp == 0xFF ) {
-        if ( aSig ) return commonNaNToFloat64( float32ToCommonNaN( a STATUS_VAR ));
-        return packFloat64( aSign, 0x7FF, 0 );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return packFloat64( aSign, 0, 0 );
-        normalizeFloat32Subnormal( aSig, &aExp, &aSig );
-        --aExp;
-    }
-    return packFloat64( aSign, aExp + 0x380, ( (bits64) aSig )<<29 );
-
-}
-
-#ifdef FLOATX80
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the single-precision floating-point value
-| `a' to the extended double-precision floating-point format.  The conversion
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 float32_to_floatx80( float32 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp;
-    bits32 aSig;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    aSign = extractFloat32Sign( a );
-    if ( aExp == 0xFF ) {
-        if ( aSig ) return commonNaNToFloatx80( float32ToCommonNaN( a STATUS_VAR ) );
-        return packFloatx80( aSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return packFloatx80( aSign, 0, 0 );
-        normalizeFloat32Subnormal( aSig, &aExp, &aSig );
-    }
-    aSig |= 0x00800000;
-    return packFloatx80( aSign, aExp + 0x3F80, ( (bits64) aSig )<<40 );
-
-}
-
-#endif
-
-#ifdef FLOAT128
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the single-precision floating-point value
-| `a' to the double-precision floating-point format.  The conversion is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float128 float32_to_float128( float32 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp;
-    bits32 aSig;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    aSign = extractFloat32Sign( a );
-    if ( aExp == 0xFF ) {
-        if ( aSig ) return commonNaNToFloat128( float32ToCommonNaN( a STATUS_VAR ) );
-        return packFloat128( aSign, 0x7FFF, 0, 0 );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return packFloat128( aSign, 0, 0, 0 );
-        normalizeFloat32Subnormal( aSig, &aExp, &aSig );
-        --aExp;
-    }
-    return packFloat128( aSign, aExp + 0x3F80, ( (bits64) aSig )<<25, 0 );
-
-}
-
-#endif
-
-/*----------------------------------------------------------------------------
-| Rounds the single-precision floating-point value `a' to an integer, and
-| returns the result as a single-precision floating-point value.  The
-| operation is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float32 float32_round_to_int( float32 a STATUS_PARAM)
-{
-    flag aSign;
-    int16 aExp;
-    bits32 lastBitMask, roundBitsMask;
-    int8 roundingMode;
-    bits32 z;
-
-    aExp = extractFloat32Exp( a );
-    if ( 0x96 <= aExp ) {
-        if ( ( aExp == 0xFF ) && extractFloat32Frac( a ) ) {
-            return propagateFloat32NaN( a, a STATUS_VAR );
-        }
-        return a;
-    }
-    if ( aExp <= 0x7E ) {
-        if ( (bits32) ( float32_val(a)<<1 ) == 0 ) return a;
-        STATUS(float_exception_flags) |= float_flag_inexact;
-        aSign = extractFloat32Sign( a );
-        switch ( STATUS(float_rounding_mode) ) {
-         case float_round_nearest_even:
-            if ( ( aExp == 0x7E ) && extractFloat32Frac( a ) ) {
-                return packFloat32( aSign, 0x7F, 0 );
-            }
-            break;
-         case float_round_down:
-            return make_float32(aSign ? 0xBF800000 : 0);
-         case float_round_up:
-            return make_float32(aSign ? 0x80000000 : 0x3F800000);
-        }
-        return packFloat32( aSign, 0, 0 );
-    }
-    lastBitMask = 1;
-    lastBitMask <<= 0x96 - aExp;
-    roundBitsMask = lastBitMask - 1;
-    z = float32_val(a);
-    roundingMode = STATUS(float_rounding_mode);
-    if ( roundingMode == float_round_nearest_even ) {
-        z += lastBitMask>>1;
-        if ( ( z & roundBitsMask ) == 0 ) z &= ~ lastBitMask;
-    }
-    else if ( roundingMode != float_round_to_zero ) {
-        if ( extractFloat32Sign( make_float32(z) ) ^ ( roundingMode == float_round_up ) ) {
-            z += roundBitsMask;
-        }
-    }
-    z &= ~ roundBitsMask;
-    if ( z != float32_val(a) ) STATUS(float_exception_flags) |= float_flag_inexact;
-    return make_float32(z);
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of adding the absolute values of the single-precision
-| floating-point values `a' and `b'.  If `zSign' is 1, the sum is negated
-| before being returned.  `zSign' is ignored if the result is a NaN.
-| The addition is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-static float32 addFloat32Sigs( float32 a, float32 b, flag zSign STATUS_PARAM)
-{
-    int16 aExp, bExp, zExp;
-    bits32 aSig, bSig, zSig;
-    int16 expDiff;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    bSig = extractFloat32Frac( b );
-    bExp = extractFloat32Exp( b );
-    expDiff = aExp - bExp;
-    aSig <<= 6;
-    bSig <<= 6;
-    if ( 0 < expDiff ) {
-        if ( aExp == 0xFF ) {
-            if ( aSig ) return propagateFloat32NaN( a, b STATUS_VAR );
-            return a;
-        }
-        if ( bExp == 0 ) {
-            --expDiff;
-        }
-        else {
-            bSig |= 0x20000000;
-        }
-        shift32RightJamming( bSig, expDiff, &bSig );
-        zExp = aExp;
-    }
-    else if ( expDiff < 0 ) {
-        if ( bExp == 0xFF ) {
-            if ( bSig ) return propagateFloat32NaN( a, b STATUS_VAR );
-            return packFloat32( zSign, 0xFF, 0 );
-        }
-        if ( aExp == 0 ) {
-            ++expDiff;
-        }
-        else {
-            aSig |= 0x20000000;
-        }
-        shift32RightJamming( aSig, - expDiff, &aSig );
-        zExp = bExp;
-    }
-    else {
-        if ( aExp == 0xFF ) {
-            if ( aSig | bSig ) return propagateFloat32NaN( a, b STATUS_VAR );
-            return a;
-        }
-        if ( aExp == 0 ) return packFloat32( zSign, 0, ( aSig + bSig )>>6 );
-        zSig = 0x40000000 + aSig + bSig;
-        zExp = aExp;
-        goto roundAndPack;
-    }
-    aSig |= 0x20000000;
-    zSig = ( aSig + bSig )<<1;
-    --zExp;
-    if ( (sbits32) zSig < 0 ) {
-        zSig = aSig + bSig;
-        ++zExp;
-    }
- roundAndPack:
-    return roundAndPackFloat32( zSign, zExp, zSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of subtracting the absolute values of the single-
-| precision floating-point values `a' and `b'.  If `zSign' is 1, the
-| difference is negated before being returned.  `zSign' is ignored if the
-| result is a NaN.  The subtraction is performed according to the IEC/IEEE
-| Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-static float32 subFloat32Sigs( float32 a, float32 b, flag zSign STATUS_PARAM)
-{
-    int16 aExp, bExp, zExp;
-    bits32 aSig, bSig, zSig;
-    int16 expDiff;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    bSig = extractFloat32Frac( b );
-    bExp = extractFloat32Exp( b );
-    expDiff = aExp - bExp;
-    aSig <<= 7;
-    bSig <<= 7;
-    if ( 0 < expDiff ) goto aExpBigger;
-    if ( expDiff < 0 ) goto bExpBigger;
-    if ( aExp == 0xFF ) {
-        if ( aSig | bSig ) return propagateFloat32NaN( a, b STATUS_VAR );
-        float_raise( float_flag_invalid STATUS_VAR);
-        return float32_default_nan;
-    }
-    if ( aExp == 0 ) {
-        aExp = 1;
-        bExp = 1;
-    }
-    if ( bSig < aSig ) goto aBigger;
-    if ( aSig < bSig ) goto bBigger;
-    return packFloat32( STATUS(float_rounding_mode) == float_round_down, 0, 0 );
- bExpBigger:
-    if ( bExp == 0xFF ) {
-        if ( bSig ) return propagateFloat32NaN( a, b STATUS_VAR );
-        return packFloat32( zSign ^ 1, 0xFF, 0 );
-    }
-    if ( aExp == 0 ) {
-        ++expDiff;
-    }
-    else {
-        aSig |= 0x40000000;
-    }
-    shift32RightJamming( aSig, - expDiff, &aSig );
-    bSig |= 0x40000000;
- bBigger:
-    zSig = bSig - aSig;
-    zExp = bExp;
-    zSign ^= 1;
-    goto normalizeRoundAndPack;
- aExpBigger:
-    if ( aExp == 0xFF ) {
-        if ( aSig ) return propagateFloat32NaN( a, b STATUS_VAR );
-        return a;
-    }
-    if ( bExp == 0 ) {
-        --expDiff;
-    }
-    else {
-        bSig |= 0x40000000;
-    }
-    shift32RightJamming( bSig, expDiff, &bSig );
-    aSig |= 0x40000000;
- aBigger:
-    zSig = aSig - bSig;
-    zExp = aExp;
- normalizeRoundAndPack:
-    --zExp;
-    return normalizeRoundAndPackFloat32( zSign, zExp, zSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of adding the single-precision floating-point values `a'
-| and `b'.  The operation is performed according to the IEC/IEEE Standard for
-| Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float32 float32_add( float32 a, float32 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    aSign = extractFloat32Sign( a );
-    bSign = extractFloat32Sign( b );
-    if ( aSign == bSign ) {
-        return addFloat32Sigs( a, b, aSign STATUS_VAR);
-    }
-    else {
-        return subFloat32Sigs( a, b, aSign STATUS_VAR );
-    }
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of subtracting the single-precision floating-point values
-| `a' and `b'.  The operation is performed according to the IEC/IEEE Standard
-| for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float32 float32_sub( float32 a, float32 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    aSign = extractFloat32Sign( a );
-    bSign = extractFloat32Sign( b );
-    if ( aSign == bSign ) {
-        return subFloat32Sigs( a, b, aSign STATUS_VAR );
-    }
-    else {
-        return addFloat32Sigs( a, b, aSign STATUS_VAR );
-    }
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of multiplying the single-precision floating-point values
-| `a' and `b'.  The operation is performed according to the IEC/IEEE Standard
-| for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float32 float32_mul( float32 a, float32 b STATUS_PARAM )
-{
-    flag aSign, bSign, zSign;
-    int16 aExp, bExp, zExp;
-    bits32 aSig, bSig;
-    bits64 zSig64;
-    bits32 zSig;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    aSign = extractFloat32Sign( a );
-    bSig = extractFloat32Frac( b );
-    bExp = extractFloat32Exp( b );
-    bSign = extractFloat32Sign( b );
-    zSign = aSign ^ bSign;
-    if ( aExp == 0xFF ) {
-        if ( aSig || ( ( bExp == 0xFF ) && bSig ) ) {
-            return propagateFloat32NaN( a, b STATUS_VAR );
-        }
-        if ( ( bExp | bSig ) == 0 ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-            return float32_default_nan;
-        }
-        return packFloat32( zSign, 0xFF, 0 );
-    }
-    if ( bExp == 0xFF ) {
-        if ( bSig ) return propagateFloat32NaN( a, b STATUS_VAR );
-        if ( ( aExp | aSig ) == 0 ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-            return float32_default_nan;
-        }
-        return packFloat32( zSign, 0xFF, 0 );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return packFloat32( zSign, 0, 0 );
-        normalizeFloat32Subnormal( aSig, &aExp, &aSig );
-    }
-    if ( bExp == 0 ) {
-        if ( bSig == 0 ) return packFloat32( zSign, 0, 0 );
-        normalizeFloat32Subnormal( bSig, &bExp, &bSig );
-    }
-    zExp = aExp + bExp - 0x7F;
-    aSig = ( aSig | 0x00800000 )<<7;
-    bSig = ( bSig | 0x00800000 )<<8;
-    shift64RightJamming( ( (bits64) aSig ) * bSig, 32, &zSig64 );
-    zSig = zSig64;
-    if ( 0 <= (sbits32) ( zSig<<1 ) ) {
-        zSig <<= 1;
-        --zExp;
-    }
-    return roundAndPackFloat32( zSign, zExp, zSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of dividing the single-precision floating-point value `a'
-| by the corresponding value `b'.  The operation is performed according to the
-| IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float32 float32_div( float32 a, float32 b STATUS_PARAM )
-{
-    flag aSign, bSign, zSign;
-    int16 aExp, bExp, zExp;
-    bits32 aSig, bSig, zSig;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    aSign = extractFloat32Sign( a );
-    bSig = extractFloat32Frac( b );
-    bExp = extractFloat32Exp( b );
-    bSign = extractFloat32Sign( b );
-    zSign = aSign ^ bSign;
-    if ( aExp == 0xFF ) {
-        if ( aSig ) return propagateFloat32NaN( a, b STATUS_VAR );
-        if ( bExp == 0xFF ) {
-            if ( bSig ) return propagateFloat32NaN( a, b STATUS_VAR );
-            float_raise( float_flag_invalid STATUS_VAR);
-            return float32_default_nan;
-        }
-        return packFloat32( zSign, 0xFF, 0 );
-    }
-    if ( bExp == 0xFF ) {
-        if ( bSig ) return propagateFloat32NaN( a, b STATUS_VAR );
-        return packFloat32( zSign, 0, 0 );
-    }
-    if ( bExp == 0 ) {
-        if ( bSig == 0 ) {
-            if ( ( aExp | aSig ) == 0 ) {
-                float_raise( float_flag_invalid STATUS_VAR);
-                return float32_default_nan;
-            }
-            float_raise( float_flag_divbyzero STATUS_VAR);
-            return packFloat32( zSign, 0xFF, 0 );
-        }
-        normalizeFloat32Subnormal( bSig, &bExp, &bSig );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return packFloat32( zSign, 0, 0 );
-        normalizeFloat32Subnormal( aSig, &aExp, &aSig );
-    }
-    zExp = aExp - bExp + 0x7D;
-    aSig = ( aSig | 0x00800000 )<<7;
-    bSig = ( bSig | 0x00800000 )<<8;
-    if ( bSig <= ( aSig + aSig ) ) {
-        aSig >>= 1;
-        ++zExp;
-    }
-    zSig = ( ( (bits64) aSig )<<32 ) / bSig;
-    if ( ( zSig & 0x3F ) == 0 ) {
-        zSig |= ( (bits64) bSig * zSig != ( (bits64) aSig )<<32 );
-    }
-    return roundAndPackFloat32( zSign, zExp, zSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the remainder of the single-precision floating-point value `a'
-| with respect to the corresponding value `b'.  The operation is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float32 float32_rem( float32 a, float32 b STATUS_PARAM )
-{
-    flag aSign, bSign, zSign;
-    int16 aExp, bExp, expDiff;
-    bits32 aSig, bSig;
-    bits32 q;
-    bits64 aSig64, bSig64, q64;
-    bits32 alternateASig;
-    sbits32 sigMean;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    aSign = extractFloat32Sign( a );
-    bSig = extractFloat32Frac( b );
-    bExp = extractFloat32Exp( b );
-    bSign = extractFloat32Sign( b );
-    if ( aExp == 0xFF ) {
-        if ( aSig || ( ( bExp == 0xFF ) && bSig ) ) {
-            return propagateFloat32NaN( a, b STATUS_VAR );
-        }
-        float_raise( float_flag_invalid STATUS_VAR);
-        return float32_default_nan;
-    }
-    if ( bExp == 0xFF ) {
-        if ( bSig ) return propagateFloat32NaN( a, b STATUS_VAR );
-        return a;
-    }
-    if ( bExp == 0 ) {
-        if ( bSig == 0 ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-            return float32_default_nan;
-        }
-        normalizeFloat32Subnormal( bSig, &bExp, &bSig );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return a;
-        normalizeFloat32Subnormal( aSig, &aExp, &aSig );
-    }
-    expDiff = aExp - bExp;
-    aSig |= 0x00800000;
-    bSig |= 0x00800000;
-    if ( expDiff < 32 ) {
-        aSig <<= 8;
-        bSig <<= 8;
-        if ( expDiff < 0 ) {
-            if ( expDiff < -1 ) return a;
-            aSig >>= 1;
-        }
-        q = ( bSig <= aSig );
-        if ( q ) aSig -= bSig;
-        if ( 0 < expDiff ) {
-            q = ( ( (bits64) aSig )<<32 ) / bSig;
-            q >>= 32 - expDiff;
-            bSig >>= 2;
-            aSig = ( ( aSig>>1 )<<( expDiff - 1 ) ) - bSig * q;
-        }
-        else {
-            aSig >>= 2;
-            bSig >>= 2;
-        }
-    }
-    else {
-        if ( bSig <= aSig ) aSig -= bSig;
-        aSig64 = ( (bits64) aSig )<<40;
-        bSig64 = ( (bits64) bSig )<<40;
-        expDiff -= 64;
-        while ( 0 < expDiff ) {
-            q64 = estimateDiv128To64( aSig64, 0, bSig64 );
-            q64 = ( 2 < q64 ) ? q64 - 2 : 0;
-            aSig64 = - ( ( bSig * q64 )<<38 );
-            expDiff -= 62;
-        }
-        expDiff += 64;
-        q64 = estimateDiv128To64( aSig64, 0, bSig64 );
-        q64 = ( 2 < q64 ) ? q64 - 2 : 0;
-        q = q64>>( 64 - expDiff );
-        bSig <<= 6;
-        aSig = ( ( aSig64>>33 )<<( expDiff - 1 ) ) - bSig * q;
-    }
-    do {
-        alternateASig = aSig;
-        ++q;
-        aSig -= bSig;
-    } while ( 0 <= (sbits32) aSig );
-    sigMean = aSig + alternateASig;
-    if ( ( sigMean < 0 ) || ( ( sigMean == 0 ) && ( q & 1 ) ) ) {
-        aSig = alternateASig;
-    }
-    zSign = ( (sbits32) aSig < 0 );
-    if ( zSign ) aSig = - aSig;
-    return normalizeRoundAndPackFloat32( aSign ^ zSign, bExp, aSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the square root of the single-precision floating-point value `a'.
-| The operation is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float32 float32_sqrt( float32 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp, zExp;
-    bits32 aSig, zSig;
-    bits64 rem, term;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    aSign = extractFloat32Sign( a );
-    if ( aExp == 0xFF ) {
-        if ( aSig ) return propagateFloat32NaN( a, float32_zero STATUS_VAR );
-        if ( ! aSign ) return a;
-        float_raise( float_flag_invalid STATUS_VAR);
-        return float32_default_nan;
-    }
-    if ( aSign ) {
-        if ( ( aExp | aSig ) == 0 ) return a;
-        float_raise( float_flag_invalid STATUS_VAR);
-        return float32_default_nan;
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return float32_zero;
-        normalizeFloat32Subnormal( aSig, &aExp, &aSig );
-    }
-    zExp = ( ( aExp - 0x7F )>>1 ) + 0x7E;
-    aSig = ( aSig | 0x00800000 )<<8;
-    zSig = estimateSqrt32( aExp, aSig ) + 2;
-    if ( ( zSig & 0x7F ) <= 5 ) {
-        if ( zSig < 2 ) {
-            zSig = 0x7FFFFFFF;
-            goto roundAndPack;
-        }
-        aSig >>= aExp & 1;
-        term = ( (bits64) zSig ) * zSig;
-        rem = ( ( (bits64) aSig )<<32 ) - term;
-        while ( (sbits64) rem < 0 ) {
-            --zSig;
-            rem += ( ( (bits64) zSig )<<1 ) | 1;
-        }
-        zSig |= ( rem != 0 );
-    }
-    shift32RightJamming( zSig, 1, &zSig );
- roundAndPack:
-    return roundAndPackFloat32( 0, zExp, zSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the single-precision floating-point value `a' is equal to
-| the corresponding value `b', and 0 otherwise.  The comparison is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float32_eq( float32 a, float32 b STATUS_PARAM )
-{
-
-    if (    ( ( extractFloat32Exp( a ) == 0xFF ) && extractFloat32Frac( a ) )
-         || ( ( extractFloat32Exp( b ) == 0xFF ) && extractFloat32Frac( b ) )
-       ) {
-        if ( float32_is_signaling_nan( a ) || float32_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return 0;
-    }
-    return ( float32_val(a) == float32_val(b) ) ||
-            ( (bits32) ( ( float32_val(a) | float32_val(b) )<<1 ) == 0 );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the single-precision floating-point value `a' is less than
-| or equal to the corresponding value `b', and 0 otherwise.  The comparison
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float32_le( float32 a, float32 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-    bits32 av, bv;
-
-    if (    ( ( extractFloat32Exp( a ) == 0xFF ) && extractFloat32Frac( a ) )
-         || ( ( extractFloat32Exp( b ) == 0xFF ) && extractFloat32Frac( b ) )
-       ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return 0;
-    }
-    aSign = extractFloat32Sign( a );
-    bSign = extractFloat32Sign( b );
-    av = float32_val(a);
-    bv = float32_val(b);
-    if ( aSign != bSign ) return aSign || ( (bits32) ( ( av | bv )<<1 ) == 0 );
-    return ( av == bv ) || ( aSign ^ ( av < bv ) );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the single-precision floating-point value `a' is less than
-| the corresponding value `b', and 0 otherwise.  The comparison is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float32_lt( float32 a, float32 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-    bits32 av, bv;
-
-    if (    ( ( extractFloat32Exp( a ) == 0xFF ) && extractFloat32Frac( a ) )
-         || ( ( extractFloat32Exp( b ) == 0xFF ) && extractFloat32Frac( b ) )
-       ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return 0;
-    }
-    aSign = extractFloat32Sign( a );
-    bSign = extractFloat32Sign( b );
-    av = float32_val(a);
-    bv = float32_val(b);
-    if ( aSign != bSign ) return aSign && ( (bits32) ( ( av | bv )<<1 ) != 0 );
-    return ( av != bv ) && ( aSign ^ ( av < bv ) );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the single-precision floating-point value `a' is equal to
-| the corresponding value `b', and 0 otherwise.  The invalid exception is
-| raised if either operand is a NaN.  Otherwise, the comparison is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float32_eq_signaling( float32 a, float32 b STATUS_PARAM )
-{
-    bits32 av, bv;
-
-    if (    ( ( extractFloat32Exp( a ) == 0xFF ) && extractFloat32Frac( a ) )
-         || ( ( extractFloat32Exp( b ) == 0xFF ) && extractFloat32Frac( b ) )
-       ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return 0;
-    }
-    av = float32_val(a);
-    bv = float32_val(b);
-    return ( av == bv ) || ( (bits32) ( ( av | bv )<<1 ) == 0 );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the single-precision floating-point value `a' is less than or
-| equal to the corresponding value `b', and 0 otherwise.  Quiet NaNs do not
-| cause an exception.  Otherwise, the comparison is performed according to the
-| IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float32_le_quiet( float32 a, float32 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-    bits32 av, bv;
-
-    if (    ( ( extractFloat32Exp( a ) == 0xFF ) && extractFloat32Frac( a ) )
-         || ( ( extractFloat32Exp( b ) == 0xFF ) && extractFloat32Frac( b ) )
-       ) {
-        if ( float32_is_signaling_nan( a ) || float32_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return 0;
-    }
-    aSign = extractFloat32Sign( a );
-    bSign = extractFloat32Sign( b );
-    av = float32_val(a);
-    bv = float32_val(b);
-    if ( aSign != bSign ) return aSign || ( (bits32) ( ( av | bv )<<1 ) == 0 );
-    return ( av == bv ) || ( aSign ^ ( av < bv ) );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the single-precision floating-point value `a' is less than
-| the corresponding value `b', and 0 otherwise.  Quiet NaNs do not cause an
-| exception.  Otherwise, the comparison is performed according to the IEC/IEEE
-| Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float32_lt_quiet( float32 a, float32 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-    bits32 av, bv;
-
-    if (    ( ( extractFloat32Exp( a ) == 0xFF ) && extractFloat32Frac( a ) )
-         || ( ( extractFloat32Exp( b ) == 0xFF ) && extractFloat32Frac( b ) )
-       ) {
-        if ( float32_is_signaling_nan( a ) || float32_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return 0;
-    }
-    aSign = extractFloat32Sign( a );
-    bSign = extractFloat32Sign( b );
-    av = float32_val(a);
-    bv = float32_val(b);
-    if ( aSign != bSign ) return aSign && ( (bits32) ( ( av | bv )<<1 ) != 0 );
-    return ( av != bv ) && ( aSign ^ ( av < bv ) );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the double-precision floating-point value
-| `a' to the 32-bit two's complement integer format.  The conversion is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic---which means in particular that the conversion is rounded
-| according to the current rounding mode.  If `a' is a NaN, the largest
-| positive integer is returned.  Otherwise, if the conversion overflows, the
-| largest integer with the same sign as `a' is returned.
-*----------------------------------------------------------------------------*/
-
-int32 float64_to_int32( float64 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp, shiftCount;
-    bits64 aSig;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    aSign = extractFloat64Sign( a );
-    if ( ( aExp == 0x7FF ) && aSig ) aSign = 0;
-    if ( aExp ) aSig |= LIT64( 0x0010000000000000 );
-    shiftCount = 0x42C - aExp;
-    if ( 0 < shiftCount ) shift64RightJamming( aSig, shiftCount, &aSig );
-    return roundAndPackInt32( aSign, aSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the double-precision floating-point value
-| `a' to the 32-bit two's complement integer format.  The conversion is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic, except that the conversion is always rounded toward zero.
-| If `a' is a NaN, the largest positive integer is returned.  Otherwise, if
-| the conversion overflows, the largest integer with the same sign as `a' is
-| returned.
-*----------------------------------------------------------------------------*/
-
-int32 float64_to_int32_round_to_zero( float64 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp, shiftCount;
-    bits64 aSig, savedASig;
-    int32 z;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    aSign = extractFloat64Sign( a );
-    if ( 0x41E < aExp ) {
-        if ( ( aExp == 0x7FF ) && aSig ) aSign = 0;
-        goto invalid;
-    }
-    else if ( aExp < 0x3FF ) {
-        if ( aExp || aSig ) STATUS(float_exception_flags) |= float_flag_inexact;
-        return 0;
-    }
-    aSig |= LIT64( 0x0010000000000000 );
-    shiftCount = 0x433 - aExp;
-    savedASig = aSig;
-    aSig >>= shiftCount;
-    z = aSig;
-    if ( aSign ) z = - z;
-    if ( ( z < 0 ) ^ aSign ) {
- invalid:
-        float_raise( float_flag_invalid STATUS_VAR);
-        return aSign ? (sbits32) 0x80000000 : 0x7FFFFFFF;
-    }
-    if ( ( aSig<<shiftCount ) != savedASig ) {
-        STATUS(float_exception_flags) |= float_flag_inexact;
-    }
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the double-precision floating-point value
-| `a' to the 64-bit two's complement integer format.  The conversion is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic---which means in particular that the conversion is rounded
-| according to the current rounding mode.  If `a' is a NaN, the largest
-| positive integer is returned.  Otherwise, if the conversion overflows, the
-| largest integer with the same sign as `a' is returned.
-*----------------------------------------------------------------------------*/
-
-int64 float64_to_int64( float64 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp, shiftCount;
-    bits64 aSig, aSigExtra;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    aSign = extractFloat64Sign( a );
-    if ( aExp ) aSig |= LIT64( 0x0010000000000000 );
-    shiftCount = 0x433 - aExp;
-    if ( shiftCount <= 0 ) {
-        if ( 0x43E < aExp ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-            if (    ! aSign
-                 || (    ( aExp == 0x7FF )
-                      && ( aSig != LIT64( 0x0010000000000000 ) ) )
-               ) {
-                return LIT64( 0x7FFFFFFFFFFFFFFF );
-            }
-            return (sbits64) LIT64( 0x8000000000000000 );
-        }
-        aSigExtra = 0;
-        aSig <<= - shiftCount;
-    }
-    else {
-        shift64ExtraRightJamming( aSig, 0, shiftCount, &aSig, &aSigExtra );
-    }
-    return roundAndPackInt64( aSign, aSig, aSigExtra STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the double-precision floating-point value
-| `a' to the 64-bit two's complement integer format.  The conversion is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic, except that the conversion is always rounded toward zero.
-| If `a' is a NaN, the largest positive integer is returned.  Otherwise, if
-| the conversion overflows, the largest integer with the same sign as `a' is
-| returned.
-*----------------------------------------------------------------------------*/
-
-int64 float64_to_int64_round_to_zero( float64 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp, shiftCount;
-    bits64 aSig;
-    int64 z;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    aSign = extractFloat64Sign( a );
-    if ( aExp ) aSig |= LIT64( 0x0010000000000000 );
-    shiftCount = aExp - 0x433;
-    if ( 0 <= shiftCount ) {
-        if ( 0x43E <= aExp ) {
-            if ( float64_val(a) != LIT64( 0xC3E0000000000000 ) ) {
-                float_raise( float_flag_invalid STATUS_VAR);
-                if (    ! aSign
-                     || (    ( aExp == 0x7FF )
-                          && ( aSig != LIT64( 0x0010000000000000 ) ) )
-                   ) {
-                    return LIT64( 0x7FFFFFFFFFFFFFFF );
-                }
-            }
-            return (sbits64) LIT64( 0x8000000000000000 );
-        }
-        z = aSig<<shiftCount;
-    }
-    else {
-        if ( aExp < 0x3FE ) {
-            if ( aExp | aSig ) STATUS(float_exception_flags) |= float_flag_inexact;
-            return 0;
-        }
-        z = aSig>>( - shiftCount );
-        if ( (bits64) ( aSig<<( shiftCount & 63 ) ) ) {
-            STATUS(float_exception_flags) |= float_flag_inexact;
-        }
-    }
-    if ( aSign ) z = - z;
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the double-precision floating-point value
-| `a' to the single-precision floating-point format.  The conversion is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float32 float64_to_float32( float64 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp;
-    bits64 aSig;
-    bits32 zSig;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    aSign = extractFloat64Sign( a );
-    if ( aExp == 0x7FF ) {
-        if ( aSig ) return commonNaNToFloat32( float64ToCommonNaN( a STATUS_VAR ) );
-        return packFloat32( aSign, 0xFF, 0 );
-    }
-    shift64RightJamming( aSig, 22, &aSig );
-    zSig = aSig;
-    if ( aExp || zSig ) {
-        zSig |= 0x40000000;
-        aExp -= 0x381;
-    }
-    return roundAndPackFloat32( aSign, aExp, zSig STATUS_VAR );
-
-}
-
-#ifdef FLOATX80
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the double-precision floating-point value
-| `a' to the extended double-precision floating-point format.  The conversion
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 float64_to_floatx80( float64 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp;
-    bits64 aSig;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    aSign = extractFloat64Sign( a );
-    if ( aExp == 0x7FF ) {
-        if ( aSig ) return commonNaNToFloatx80( float64ToCommonNaN( a STATUS_VAR ) );
-        return packFloatx80( aSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return packFloatx80( aSign, 0, 0 );
-        normalizeFloat64Subnormal( aSig, &aExp, &aSig );
-    }
-    return
-        packFloatx80(
-            aSign, aExp + 0x3C00, ( aSig | LIT64( 0x0010000000000000 ) )<<11 );
-
-}
-
-#endif
-
-#ifdef FLOAT128
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the double-precision floating-point value
-| `a' to the quadruple-precision floating-point format.  The conversion is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float128 float64_to_float128( float64 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp;
-    bits64 aSig, zSig0, zSig1;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    aSign = extractFloat64Sign( a );
-    if ( aExp == 0x7FF ) {
-        if ( aSig ) return commonNaNToFloat128( float64ToCommonNaN( a STATUS_VAR ) );
-        return packFloat128( aSign, 0x7FFF, 0, 0 );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return packFloat128( aSign, 0, 0, 0 );
-        normalizeFloat64Subnormal( aSig, &aExp, &aSig );
-        --aExp;
-    }
-    shift128Right( aSig, 0, 4, &zSig0, &zSig1 );
-    return packFloat128( aSign, aExp + 0x3C00, zSig0, zSig1 );
-
-}
-
-#endif
-
-/*----------------------------------------------------------------------------
-| Rounds the double-precision floating-point value `a' to an integer, and
-| returns the result as a double-precision floating-point value.  The
-| operation is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float64 float64_round_to_int( float64 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp;
-    bits64 lastBitMask, roundBitsMask;
-    int8 roundingMode;
-    bits64 z;
-
-    aExp = extractFloat64Exp( a );
-    if ( 0x433 <= aExp ) {
-        if ( ( aExp == 0x7FF ) && extractFloat64Frac( a ) ) {
-            return propagateFloat64NaN( a, a STATUS_VAR );
-        }
-        return a;
-    }
-    if ( aExp < 0x3FF ) {
-        if ( (bits64) ( float64_val(a)<<1 ) == 0 ) return a;
-        STATUS(float_exception_flags) |= float_flag_inexact;
-        aSign = extractFloat64Sign( a );
-        switch ( STATUS(float_rounding_mode) ) {
-         case float_round_nearest_even:
-            if ( ( aExp == 0x3FE ) && extractFloat64Frac( a ) ) {
-                return packFloat64( aSign, 0x3FF, 0 );
-            }
-            break;
-         case float_round_down:
-            return make_float64(aSign ? LIT64( 0xBFF0000000000000 ) : 0);
-         case float_round_up:
-            return make_float64(
-            aSign ? LIT64( 0x8000000000000000 ) : LIT64( 0x3FF0000000000000 ));
-        }
-        return packFloat64( aSign, 0, 0 );
-    }
-    lastBitMask = 1;
-    lastBitMask <<= 0x433 - aExp;
-    roundBitsMask = lastBitMask - 1;
-    z = float64_val(a);
-    roundingMode = STATUS(float_rounding_mode);
-    if ( roundingMode == float_round_nearest_even ) {
-        z += lastBitMask>>1;
-        if ( ( z & roundBitsMask ) == 0 ) z &= ~ lastBitMask;
-    }
-    else if ( roundingMode != float_round_to_zero ) {
-        if ( extractFloat64Sign( make_float64(z) ) ^ ( roundingMode == float_round_up ) ) {
-            z += roundBitsMask;
-        }
-    }
-    z &= ~ roundBitsMask;
-    if ( z != float64_val(a) )
-        STATUS(float_exception_flags) |= float_flag_inexact;
-    return make_float64(z);
-
-}
-
-float64 float64_trunc_to_int( float64 a STATUS_PARAM)
-{
-    int oldmode;
-    float64 res;
-    oldmode = STATUS(float_rounding_mode);
-    STATUS(float_rounding_mode) = float_round_to_zero;
-    res = float64_round_to_int(a STATUS_VAR);
-    STATUS(float_rounding_mode) = oldmode;
-    return res;
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of adding the absolute values of the double-precision
-| floating-point values `a' and `b'.  If `zSign' is 1, the sum is negated
-| before being returned.  `zSign' is ignored if the result is a NaN.
-| The addition is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-static float64 addFloat64Sigs( float64 a, float64 b, flag zSign STATUS_PARAM )
-{
-    int16 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig;
-    int16 expDiff;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    bSig = extractFloat64Frac( b );
-    bExp = extractFloat64Exp( b );
-    expDiff = aExp - bExp;
-    aSig <<= 9;
-    bSig <<= 9;
-    if ( 0 < expDiff ) {
-        if ( aExp == 0x7FF ) {
-            if ( aSig ) return propagateFloat64NaN( a, b STATUS_VAR );
-            return a;
-        }
-        if ( bExp == 0 ) {
-            --expDiff;
-        }
-        else {
-            bSig |= LIT64( 0x2000000000000000 );
-        }
-        shift64RightJamming( bSig, expDiff, &bSig );
-        zExp = aExp;
-    }
-    else if ( expDiff < 0 ) {
-        if ( bExp == 0x7FF ) {
-            if ( bSig ) return propagateFloat64NaN( a, b STATUS_VAR );
-            return packFloat64( zSign, 0x7FF, 0 );
-        }
-        if ( aExp == 0 ) {
-            ++expDiff;
-        }
-        else {
-            aSig |= LIT64( 0x2000000000000000 );
-        }
-        shift64RightJamming( aSig, - expDiff, &aSig );
-        zExp = bExp;
-    }
-    else {
-        if ( aExp == 0x7FF ) {
-            if ( aSig | bSig ) return propagateFloat64NaN( a, b STATUS_VAR );
-            return a;
-        }
-        if ( aExp == 0 ) return packFloat64( zSign, 0, ( aSig + bSig )>>9 );
-        zSig = LIT64( 0x4000000000000000 ) + aSig + bSig;
-        zExp = aExp;
-        goto roundAndPack;
-    }
-    aSig |= LIT64( 0x2000000000000000 );
-    zSig = ( aSig + bSig )<<1;
-    --zExp;
-    if ( (sbits64) zSig < 0 ) {
-        zSig = aSig + bSig;
-        ++zExp;
-    }
- roundAndPack:
-    return roundAndPackFloat64( zSign, zExp, zSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of subtracting the absolute values of the double-
-| precision floating-point values `a' and `b'.  If `zSign' is 1, the
-| difference is negated before being returned.  `zSign' is ignored if the
-| result is a NaN.  The subtraction is performed according to the IEC/IEEE
-| Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-static float64 subFloat64Sigs( float64 a, float64 b, flag zSign STATUS_PARAM )
-{
-    int16 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig;
-    int16 expDiff;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    bSig = extractFloat64Frac( b );
-    bExp = extractFloat64Exp( b );
-    expDiff = aExp - bExp;
-    aSig <<= 10;
-    bSig <<= 10;
-    if ( 0 < expDiff ) goto aExpBigger;
-    if ( expDiff < 0 ) goto bExpBigger;
-    if ( aExp == 0x7FF ) {
-        if ( aSig | bSig ) return propagateFloat64NaN( a, b STATUS_VAR );
-        float_raise( float_flag_invalid STATUS_VAR);
-        return float64_default_nan;
-    }
-    if ( aExp == 0 ) {
-        aExp = 1;
-        bExp = 1;
-    }
-    if ( bSig < aSig ) goto aBigger;
-    if ( aSig < bSig ) goto bBigger;
-    return packFloat64( STATUS(float_rounding_mode) == float_round_down, 0, 0 );
- bExpBigger:
-    if ( bExp == 0x7FF ) {
-        if ( bSig ) return propagateFloat64NaN( a, b STATUS_VAR );
-        return packFloat64( zSign ^ 1, 0x7FF, 0 );
-    }
-    if ( aExp == 0 ) {
-        ++expDiff;
-    }
-    else {
-        aSig |= LIT64( 0x4000000000000000 );
-    }
-    shift64RightJamming( aSig, - expDiff, &aSig );
-    bSig |= LIT64( 0x4000000000000000 );
- bBigger:
-    zSig = bSig - aSig;
-    zExp = bExp;
-    zSign ^= 1;
-    goto normalizeRoundAndPack;
- aExpBigger:
-    if ( aExp == 0x7FF ) {
-        if ( aSig ) return propagateFloat64NaN( a, b STATUS_VAR );
-        return a;
-    }
-    if ( bExp == 0 ) {
-        --expDiff;
-    }
-    else {
-        bSig |= LIT64( 0x4000000000000000 );
-    }
-    shift64RightJamming( bSig, expDiff, &bSig );
-    aSig |= LIT64( 0x4000000000000000 );
- aBigger:
-    zSig = aSig - bSig;
-    zExp = aExp;
- normalizeRoundAndPack:
-    --zExp;
-    return normalizeRoundAndPackFloat64( zSign, zExp, zSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of adding the double-precision floating-point values `a'
-| and `b'.  The operation is performed according to the IEC/IEEE Standard for
-| Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float64 float64_add( float64 a, float64 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    aSign = extractFloat64Sign( a );
-    bSign = extractFloat64Sign( b );
-    if ( aSign == bSign ) {
-        return addFloat64Sigs( a, b, aSign STATUS_VAR );
-    }
-    else {
-        return subFloat64Sigs( a, b, aSign STATUS_VAR );
-    }
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of subtracting the double-precision floating-point values
-| `a' and `b'.  The operation is performed according to the IEC/IEEE Standard
-| for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float64 float64_sub( float64 a, float64 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    aSign = extractFloat64Sign( a );
-    bSign = extractFloat64Sign( b );
-    if ( aSign == bSign ) {
-        return subFloat64Sigs( a, b, aSign STATUS_VAR );
-    }
-    else {
-        return addFloat64Sigs( a, b, aSign STATUS_VAR );
-    }
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of multiplying the double-precision floating-point values
-| `a' and `b'.  The operation is performed according to the IEC/IEEE Standard
-| for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float64 float64_mul( float64 a, float64 b STATUS_PARAM )
-{
-    flag aSign, bSign, zSign;
-    int16 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig0, zSig1;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    aSign = extractFloat64Sign( a );
-    bSig = extractFloat64Frac( b );
-    bExp = extractFloat64Exp( b );
-    bSign = extractFloat64Sign( b );
-    zSign = aSign ^ bSign;
-    if ( aExp == 0x7FF ) {
-        if ( aSig || ( ( bExp == 0x7FF ) && bSig ) ) {
-            return propagateFloat64NaN( a, b STATUS_VAR );
-        }
-        if ( ( bExp | bSig ) == 0 ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-            return float64_default_nan;
-        }
-        return packFloat64( zSign, 0x7FF, 0 );
-    }
-    if ( bExp == 0x7FF ) {
-        if ( bSig ) return propagateFloat64NaN( a, b STATUS_VAR );
-        if ( ( aExp | aSig ) == 0 ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-            return float64_default_nan;
-        }
-        return packFloat64( zSign, 0x7FF, 0 );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return packFloat64( zSign, 0, 0 );
-        normalizeFloat64Subnormal( aSig, &aExp, &aSig );
-    }
-    if ( bExp == 0 ) {
-        if ( bSig == 0 ) return packFloat64( zSign, 0, 0 );
-        normalizeFloat64Subnormal( bSig, &bExp, &bSig );
-    }
-    zExp = aExp + bExp - 0x3FF;
-    aSig = ( aSig | LIT64( 0x0010000000000000 ) )<<10;
-    bSig = ( bSig | LIT64( 0x0010000000000000 ) )<<11;
-    mul64To128( aSig, bSig, &zSig0, &zSig1 );
-    zSig0 |= ( zSig1 != 0 );
-    if ( 0 <= (sbits64) ( zSig0<<1 ) ) {
-        zSig0 <<= 1;
-        --zExp;
-    }
-    return roundAndPackFloat64( zSign, zExp, zSig0 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of dividing the double-precision floating-point value `a'
-| by the corresponding value `b'.  The operation is performed according to
-| the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float64 float64_div( float64 a, float64 b STATUS_PARAM )
-{
-    flag aSign, bSign, zSign;
-    int16 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig;
-    bits64 rem0, rem1;
-    bits64 term0, term1;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    aSign = extractFloat64Sign( a );
-    bSig = extractFloat64Frac( b );
-    bExp = extractFloat64Exp( b );
-    bSign = extractFloat64Sign( b );
-    zSign = aSign ^ bSign;
-    if ( aExp == 0x7FF ) {
-        if ( aSig ) return propagateFloat64NaN( a, b STATUS_VAR );
-        if ( bExp == 0x7FF ) {
-            if ( bSig ) return propagateFloat64NaN( a, b STATUS_VAR );
-            float_raise( float_flag_invalid STATUS_VAR);
-            return float64_default_nan;
-        }
-        return packFloat64( zSign, 0x7FF, 0 );
-    }
-    if ( bExp == 0x7FF ) {
-        if ( bSig ) return propagateFloat64NaN( a, b STATUS_VAR );
-        return packFloat64( zSign, 0, 0 );
-    }
-    if ( bExp == 0 ) {
-        if ( bSig == 0 ) {
-            if ( ( aExp | aSig ) == 0 ) {
-                float_raise( float_flag_invalid STATUS_VAR);
-                return float64_default_nan;
-            }
-            float_raise( float_flag_divbyzero STATUS_VAR);
-            return packFloat64( zSign, 0x7FF, 0 );
-        }
-        normalizeFloat64Subnormal( bSig, &bExp, &bSig );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return packFloat64( zSign, 0, 0 );
-        normalizeFloat64Subnormal( aSig, &aExp, &aSig );
-    }
-    zExp = aExp - bExp + 0x3FD;
-    aSig = ( aSig | LIT64( 0x0010000000000000 ) )<<10;
-    bSig = ( bSig | LIT64( 0x0010000000000000 ) )<<11;
-    if ( bSig <= ( aSig + aSig ) ) {
-        aSig >>= 1;
-        ++zExp;
-    }
-    zSig = estimateDiv128To64( aSig, 0, bSig );
-    if ( ( zSig & 0x1FF ) <= 2 ) {
-        mul64To128( bSig, zSig, &term0, &term1 );
-        sub128( aSig, 0, term0, term1, &rem0, &rem1 );
-        while ( (sbits64) rem0 < 0 ) {
-            --zSig;
-            add128( rem0, rem1, 0, bSig, &rem0, &rem1 );
-        }
-        zSig |= ( rem1 != 0 );
-    }
-    return roundAndPackFloat64( zSign, zExp, zSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the remainder of the double-precision floating-point value `a'
-| with respect to the corresponding value `b'.  The operation is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float64 float64_rem( float64 a, float64 b STATUS_PARAM )
-{
-    flag aSign, bSign, zSign;
-    int16 aExp, bExp, expDiff;
-    bits64 aSig, bSig;
-    bits64 q, alternateASig;
-    sbits64 sigMean;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    aSign = extractFloat64Sign( a );
-    bSig = extractFloat64Frac( b );
-    bExp = extractFloat64Exp( b );
-    bSign = extractFloat64Sign( b );
-    if ( aExp == 0x7FF ) {
-        if ( aSig || ( ( bExp == 0x7FF ) && bSig ) ) {
-            return propagateFloat64NaN( a, b STATUS_VAR );
-        }
-        float_raise( float_flag_invalid STATUS_VAR);
-        return float64_default_nan;
-    }
-    if ( bExp == 0x7FF ) {
-        if ( bSig ) return propagateFloat64NaN( a, b STATUS_VAR );
-        return a;
-    }
-    if ( bExp == 0 ) {
-        if ( bSig == 0 ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-            return float64_default_nan;
-        }
-        normalizeFloat64Subnormal( bSig, &bExp, &bSig );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return a;
-        normalizeFloat64Subnormal( aSig, &aExp, &aSig );
-    }
-    expDiff = aExp - bExp;
-    aSig = ( aSig | LIT64( 0x0010000000000000 ) )<<11;
-    bSig = ( bSig | LIT64( 0x0010000000000000 ) )<<11;
-    if ( expDiff < 0 ) {
-        if ( expDiff < -1 ) return a;
-        aSig >>= 1;
-    }
-    q = ( bSig <= aSig );
-    if ( q ) aSig -= bSig;
-    expDiff -= 64;
-    while ( 0 < expDiff ) {
-        q = estimateDiv128To64( aSig, 0, bSig );
-        q = ( 2 < q ) ? q - 2 : 0;
-        aSig = - ( ( bSig>>2 ) * q );
-        expDiff -= 62;
-    }
-    expDiff += 64;
-    if ( 0 < expDiff ) {
-        q = estimateDiv128To64( aSig, 0, bSig );
-        q = ( 2 < q ) ? q - 2 : 0;
-        q >>= 64 - expDiff;
-        bSig >>= 2;
-        aSig = ( ( aSig>>1 )<<( expDiff - 1 ) ) - bSig * q;
-    }
-    else {
-        aSig >>= 2;
-        bSig >>= 2;
-    }
-    do {
-        alternateASig = aSig;
-        ++q;
-        aSig -= bSig;
-    } while ( 0 <= (sbits64) aSig );
-    sigMean = aSig + alternateASig;
-    if ( ( sigMean < 0 ) || ( ( sigMean == 0 ) && ( q & 1 ) ) ) {
-        aSig = alternateASig;
-    }
-    zSign = ( (sbits64) aSig < 0 );
-    if ( zSign ) aSig = - aSig;
-    return normalizeRoundAndPackFloat64( aSign ^ zSign, bExp, aSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the square root of the double-precision floating-point value `a'.
-| The operation is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float64 float64_sqrt( float64 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp, zExp;
-    bits64 aSig, zSig, doubleZSig;
-    bits64 rem0, rem1, term0, term1;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    aSign = extractFloat64Sign( a );
-    if ( aExp == 0x7FF ) {
-        if ( aSig ) return propagateFloat64NaN( a, a STATUS_VAR );
-        if ( ! aSign ) return a;
-        float_raise( float_flag_invalid STATUS_VAR);
-        return float64_default_nan;
-    }
-    if ( aSign ) {
-        if ( ( aExp | aSig ) == 0 ) return a;
-        float_raise( float_flag_invalid STATUS_VAR);
-        return float64_default_nan;
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return float64_zero;
-        normalizeFloat64Subnormal( aSig, &aExp, &aSig );
-    }
-    zExp = ( ( aExp - 0x3FF )>>1 ) + 0x3FE;
-    aSig |= LIT64( 0x0010000000000000 );
-    zSig = estimateSqrt32( aExp, aSig>>21 );
-    aSig <<= 9 - ( aExp & 1 );
-    zSig = estimateDiv128To64( aSig, 0, zSig<<32 ) + ( zSig<<30 );
-    if ( ( zSig & 0x1FF ) <= 5 ) {
-        doubleZSig = zSig<<1;
-        mul64To128( zSig, zSig, &term0, &term1 );
-        sub128( aSig, 0, term0, term1, &rem0, &rem1 );
-        while ( (sbits64) rem0 < 0 ) {
-            --zSig;
-            doubleZSig -= 2;
-            add128( rem0, rem1, zSig>>63, doubleZSig | 1, &rem0, &rem1 );
-        }
-        zSig |= ( ( rem0 | rem1 ) != 0 );
-    }
-    return roundAndPackFloat64( 0, zExp, zSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the double-precision floating-point value `a' is equal to the
-| corresponding value `b', and 0 otherwise.  The comparison is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float64_eq( float64 a, float64 b STATUS_PARAM )
-{
-    bits64 av, bv;
-
-    if (    ( ( extractFloat64Exp( a ) == 0x7FF ) && extractFloat64Frac( a ) )
-         || ( ( extractFloat64Exp( b ) == 0x7FF ) && extractFloat64Frac( b ) )
-       ) {
-        if ( float64_is_signaling_nan( a ) || float64_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return 0;
-    }
-    av = float64_val(a);
-    bv = float64_val(b);
-    return ( av == bv ) || ( (bits64) ( ( av | bv )<<1 ) == 0 );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the double-precision floating-point value `a' is less than or
-| equal to the corresponding value `b', and 0 otherwise.  The comparison is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float64_le( float64 a, float64 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-    bits64 av, bv;
-
-    if (    ( ( extractFloat64Exp( a ) == 0x7FF ) && extractFloat64Frac( a ) )
-         || ( ( extractFloat64Exp( b ) == 0x7FF ) && extractFloat64Frac( b ) )
-       ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return 0;
-    }
-    aSign = extractFloat64Sign( a );
-    bSign = extractFloat64Sign( b );
-    av = float64_val(a);
-    bv = float64_val(b);
-    if ( aSign != bSign ) return aSign || ( (bits64) ( ( av | bv )<<1 ) == 0 );
-    return ( av == bv ) || ( aSign ^ ( av < bv ) );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the double-precision floating-point value `a' is less than
-| the corresponding value `b', and 0 otherwise.  The comparison is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float64_lt( float64 a, float64 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-    bits64 av, bv;
-
-    if (    ( ( extractFloat64Exp( a ) == 0x7FF ) && extractFloat64Frac( a ) )
-         || ( ( extractFloat64Exp( b ) == 0x7FF ) && extractFloat64Frac( b ) )
-       ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return 0;
-    }
-    aSign = extractFloat64Sign( a );
-    bSign = extractFloat64Sign( b );
-    av = float64_val(a);
-    bv = float64_val(b);
-    if ( aSign != bSign ) return aSign && ( (bits64) ( ( av | bv )<<1 ) != 0 );
-    return ( av != bv ) && ( aSign ^ ( av < bv ) );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the double-precision floating-point value `a' is equal to the
-| corresponding value `b', and 0 otherwise.  The invalid exception is raised
-| if either operand is a NaN.  Otherwise, the comparison is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float64_eq_signaling( float64 a, float64 b STATUS_PARAM )
-{
-    bits64 av, bv;
-
-    if (    ( ( extractFloat64Exp( a ) == 0x7FF ) && extractFloat64Frac( a ) )
-         || ( ( extractFloat64Exp( b ) == 0x7FF ) && extractFloat64Frac( b ) )
-       ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return 0;
-    }
-    av = float64_val(a);
-    bv = float64_val(b);
-    return ( av == bv ) || ( (bits64) ( ( av | bv )<<1 ) == 0 );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the double-precision floating-point value `a' is less than or
-| equal to the corresponding value `b', and 0 otherwise.  Quiet NaNs do not
-| cause an exception.  Otherwise, the comparison is performed according to the
-| IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float64_le_quiet( float64 a, float64 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-    bits64 av, bv;
-
-    if (    ( ( extractFloat64Exp( a ) == 0x7FF ) && extractFloat64Frac( a ) )
-         || ( ( extractFloat64Exp( b ) == 0x7FF ) && extractFloat64Frac( b ) )
-       ) {
-        if ( float64_is_signaling_nan( a ) || float64_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return 0;
-    }
-    aSign = extractFloat64Sign( a );
-    bSign = extractFloat64Sign( b );
-    av = float64_val(a);
-    bv = float64_val(b);
-    if ( aSign != bSign ) return aSign || ( (bits64) ( ( av | bv )<<1 ) == 0 );
-    return ( av == bv ) || ( aSign ^ ( av < bv ) );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the double-precision floating-point value `a' is less than
-| the corresponding value `b', and 0 otherwise.  Quiet NaNs do not cause an
-| exception.  Otherwise, the comparison is performed according to the IEC/IEEE
-| Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float64_lt_quiet( float64 a, float64 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-    bits64 av, bv;
-
-    if (    ( ( extractFloat64Exp( a ) == 0x7FF ) && extractFloat64Frac( a ) )
-         || ( ( extractFloat64Exp( b ) == 0x7FF ) && extractFloat64Frac( b ) )
-       ) {
-        if ( float64_is_signaling_nan( a ) || float64_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return 0;
-    }
-    aSign = extractFloat64Sign( a );
-    bSign = extractFloat64Sign( b );
-    av = float64_val(a);
-    bv = float64_val(b);
-    if ( aSign != bSign ) return aSign && ( (bits64) ( ( av | bv )<<1 ) != 0 );
-    return ( av != bv ) && ( aSign ^ ( av < bv ) );
-
-}
-
-#ifdef FLOATX80
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the extended double-precision floating-
-| point value `a' to the 32-bit two's complement integer format.  The
-| conversion is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic---which means in particular that the conversion
-| is rounded according to the current rounding mode.  If `a' is a NaN, the
-| largest positive integer is returned.  Otherwise, if the conversion
-| overflows, the largest integer with the same sign as `a' is returned.
-*----------------------------------------------------------------------------*/
-
-int32 floatx80_to_int32( floatx80 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp, shiftCount;
-    bits64 aSig;
-
-    aSig = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    aSign = extractFloatx80Sign( a );
-    if ( ( aExp == 0x7FFF ) && (bits64) ( aSig<<1 ) ) aSign = 0;
-    shiftCount = 0x4037 - aExp;
-    if ( shiftCount <= 0 ) shiftCount = 1;
-    shift64RightJamming( aSig, shiftCount, &aSig );
-    return roundAndPackInt32( aSign, aSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the extended double-precision floating-
-| point value `a' to the 32-bit two's complement integer format.  The
-| conversion is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic, except that the conversion is always rounded
-| toward zero.  If `a' is a NaN, the largest positive integer is returned.
-| Otherwise, if the conversion overflows, the largest integer with the same
-| sign as `a' is returned.
-*----------------------------------------------------------------------------*/
-
-int32 floatx80_to_int32_round_to_zero( floatx80 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp, shiftCount;
-    bits64 aSig, savedASig;
-    int32 z;
-
-    aSig = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    aSign = extractFloatx80Sign( a );
-    if ( 0x401E < aExp ) {
-        if ( ( aExp == 0x7FFF ) && (bits64) ( aSig<<1 ) ) aSign = 0;
-        goto invalid;
-    }
-    else if ( aExp < 0x3FFF ) {
-        if ( aExp || aSig ) STATUS(float_exception_flags) |= float_flag_inexact;
-        return 0;
-    }
-    shiftCount = 0x403E - aExp;
-    savedASig = aSig;
-    aSig >>= shiftCount;
-    z = aSig;
-    if ( aSign ) z = - z;
-    if ( ( z < 0 ) ^ aSign ) {
- invalid:
-        float_raise( float_flag_invalid STATUS_VAR);
-        return aSign ? (sbits32) 0x80000000 : 0x7FFFFFFF;
-    }
-    if ( ( aSig<<shiftCount ) != savedASig ) {
-        STATUS(float_exception_flags) |= float_flag_inexact;
-    }
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the extended double-precision floating-
-| point value `a' to the 64-bit two's complement integer format.  The
-| conversion is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic---which means in particular that the conversion
-| is rounded according to the current rounding mode.  If `a' is a NaN,
-| the largest positive integer is returned.  Otherwise, if the conversion
-| overflows, the largest integer with the same sign as `a' is returned.
-*----------------------------------------------------------------------------*/
-
-int64 floatx80_to_int64( floatx80 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp, shiftCount;
-    bits64 aSig, aSigExtra;
-
-    aSig = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    aSign = extractFloatx80Sign( a );
-    shiftCount = 0x403E - aExp;
-    if ( shiftCount <= 0 ) {
-        if ( shiftCount ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-            if (    ! aSign
-                 || (    ( aExp == 0x7FFF )
-                      && ( aSig != LIT64( 0x8000000000000000 ) ) )
-               ) {
-                return LIT64( 0x7FFFFFFFFFFFFFFF );
-            }
-            return (sbits64) LIT64( 0x8000000000000000 );
-        }
-        aSigExtra = 0;
-    }
-    else {
-        shift64ExtraRightJamming( aSig, 0, shiftCount, &aSig, &aSigExtra );
-    }
-    return roundAndPackInt64( aSign, aSig, aSigExtra STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the extended double-precision floating-
-| point value `a' to the 64-bit two's complement integer format.  The
-| conversion is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic, except that the conversion is always rounded
-| toward zero.  If `a' is a NaN, the largest positive integer is returned.
-| Otherwise, if the conversion overflows, the largest integer with the same
-| sign as `a' is returned.
-*----------------------------------------------------------------------------*/
-
-int64 floatx80_to_int64_round_to_zero( floatx80 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp, shiftCount;
-    bits64 aSig;
-    int64 z;
-
-    aSig = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    aSign = extractFloatx80Sign( a );
-    shiftCount = aExp - 0x403E;
-    if ( 0 <= shiftCount ) {
-        aSig &= LIT64( 0x7FFFFFFFFFFFFFFF );
-        if ( ( a.high != 0xC03E ) || aSig ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-            if ( ! aSign || ( ( aExp == 0x7FFF ) && aSig ) ) {
-                return LIT64( 0x7FFFFFFFFFFFFFFF );
-            }
-        }
-        return (sbits64) LIT64( 0x8000000000000000 );
-    }
-    else if ( aExp < 0x3FFF ) {
-        if ( aExp | aSig ) STATUS(float_exception_flags) |= float_flag_inexact;
-        return 0;
-    }
-    z = aSig>>( - shiftCount );
-    if ( (bits64) ( aSig<<( shiftCount & 63 ) ) ) {
-        STATUS(float_exception_flags) |= float_flag_inexact;
-    }
-    if ( aSign ) z = - z;
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the extended double-precision floating-
-| point value `a' to the single-precision floating-point format.  The
-| conversion is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float32 floatx80_to_float32( floatx80 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp;
-    bits64 aSig;
-
-    aSig = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    aSign = extractFloatx80Sign( a );
-    if ( aExp == 0x7FFF ) {
-        if ( (bits64) ( aSig<<1 ) ) {
-            return commonNaNToFloat32( floatx80ToCommonNaN( a STATUS_VAR ) );
-        }
-        return packFloat32( aSign, 0xFF, 0 );
-    }
-    shift64RightJamming( aSig, 33, &aSig );
-    if ( aExp || aSig ) aExp -= 0x3F81;
-    return roundAndPackFloat32( aSign, aExp, aSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the extended double-precision floating-
-| point value `a' to the double-precision floating-point format.  The
-| conversion is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float64 floatx80_to_float64( floatx80 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp;
-    bits64 aSig, zSig;
-
-    aSig = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    aSign = extractFloatx80Sign( a );
-    if ( aExp == 0x7FFF ) {
-        if ( (bits64) ( aSig<<1 ) ) {
-            return commonNaNToFloat64( floatx80ToCommonNaN( a STATUS_VAR ) );
-        }
-        return packFloat64( aSign, 0x7FF, 0 );
-    }
-    shift64RightJamming( aSig, 1, &zSig );
-    if ( aExp || aSig ) aExp -= 0x3C01;
-    return roundAndPackFloat64( aSign, aExp, zSig STATUS_VAR );
-
-}
-
-#ifdef FLOAT128
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the extended double-precision floating-
-| point value `a' to the quadruple-precision floating-point format.  The
-| conversion is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float128 floatx80_to_float128( floatx80 a STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp;
-    bits64 aSig, zSig0, zSig1;
-
-    aSig = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    aSign = extractFloatx80Sign( a );
-    if ( ( aExp == 0x7FFF ) && (bits64) ( aSig<<1 ) ) {
-        return commonNaNToFloat128( floatx80ToCommonNaN( a STATUS_VAR ) );
-    }
-    shift128Right( aSig<<1, 0, 16, &zSig0, &zSig1 );
-    return packFloat128( aSign, aExp, zSig0, zSig1 );
-
-}
-
-#endif
-
-/*----------------------------------------------------------------------------
-| Rounds the extended double-precision floating-point value `a' to an integer,
-| and returns the result as an extended quadruple-precision floating-point
-| value.  The operation is performed according to the IEC/IEEE Standard for
-| Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 floatx80_round_to_int( floatx80 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp;
-    bits64 lastBitMask, roundBitsMask;
-    int8 roundingMode;
-    floatx80 z;
-
-    aExp = extractFloatx80Exp( a );
-    if ( 0x403E <= aExp ) {
-        if ( ( aExp == 0x7FFF ) && (bits64) ( extractFloatx80Frac( a )<<1 ) ) {
-            return propagateFloatx80NaN( a, a STATUS_VAR );
-        }
-        return a;
-    }
-    if ( aExp < 0x3FFF ) {
-        if (    ( aExp == 0 )
-             && ( (bits64) ( extractFloatx80Frac( a )<<1 ) == 0 ) ) {
-            return a;
-        }
-        STATUS(float_exception_flags) |= float_flag_inexact;
-        aSign = extractFloatx80Sign( a );
-        switch ( STATUS(float_rounding_mode) ) {
-         case float_round_nearest_even:
-            if ( ( aExp == 0x3FFE ) && (bits64) ( extractFloatx80Frac( a )<<1 )
-               ) {
-                return
-                    packFloatx80( aSign, 0x3FFF, LIT64( 0x8000000000000000 ) );
-            }
-            break;
-         case float_round_down:
-            return
-                  aSign ?
-                      packFloatx80( 1, 0x3FFF, LIT64( 0x8000000000000000 ) )
-                : packFloatx80( 0, 0, 0 );
-         case float_round_up:
-            return
-                  aSign ? packFloatx80( 1, 0, 0 )
-                : packFloatx80( 0, 0x3FFF, LIT64( 0x8000000000000000 ) );
-        }
-        return packFloatx80( aSign, 0, 0 );
-    }
-    lastBitMask = 1;
-    lastBitMask <<= 0x403E - aExp;
-    roundBitsMask = lastBitMask - 1;
-    z = a;
-    roundingMode = STATUS(float_rounding_mode);
-    if ( roundingMode == float_round_nearest_even ) {
-        z.low += lastBitMask>>1;
-        if ( ( z.low & roundBitsMask ) == 0 ) z.low &= ~ lastBitMask;
-    }
-    else if ( roundingMode != float_round_to_zero ) {
-        if ( extractFloatx80Sign( z ) ^ ( roundingMode == float_round_up ) ) {
-            z.low += roundBitsMask;
-        }
-    }
-    z.low &= ~ roundBitsMask;
-    if ( z.low == 0 ) {
-        ++z.high;
-        z.low = LIT64( 0x8000000000000000 );
-    }
-    if ( z.low != a.low ) STATUS(float_exception_flags) |= float_flag_inexact;
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of adding the absolute values of the extended double-
-| precision floating-point values `a' and `b'.  If `zSign' is 1, the sum is
-| negated before being returned.  `zSign' is ignored if the result is a NaN.
-| The addition is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-static floatx80 addFloatx80Sigs( floatx80 a, floatx80 b, flag zSign STATUS_PARAM)
-{
-    int32 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig0, zSig1;
-    int32 expDiff;
-
-    aSig = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    bSig = extractFloatx80Frac( b );
-    bExp = extractFloatx80Exp( b );
-    expDiff = aExp - bExp;
-    if ( 0 < expDiff ) {
-        if ( aExp == 0x7FFF ) {
-            if ( (bits64) ( aSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
-            return a;
-        }
-        if ( bExp == 0 ) --expDiff;
-        shift64ExtraRightJamming( bSig, 0, expDiff, &bSig, &zSig1 );
-        zExp = aExp;
-    }
-    else if ( expDiff < 0 ) {
-        if ( bExp == 0x7FFF ) {
-            if ( (bits64) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
-            return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
-        }
-        if ( aExp == 0 ) ++expDiff;
-        shift64ExtraRightJamming( aSig, 0, - expDiff, &aSig, &zSig1 );
-        zExp = bExp;
-    }
-    else {
-        if ( aExp == 0x7FFF ) {
-            if ( (bits64) ( ( aSig | bSig )<<1 ) ) {
-                return propagateFloatx80NaN( a, b STATUS_VAR );
-            }
-            return a;
-        }
-        zSig1 = 0;
-        zSig0 = aSig + bSig;
-        if ( aExp == 0 ) {
-            normalizeFloatx80Subnormal( zSig0, &zExp, &zSig0 );
-            goto roundAndPack;
-        }
-        zExp = aExp;
-        goto shiftRight1;
-    }
-    zSig0 = aSig + bSig;
-    if ( (sbits64) zSig0 < 0 ) goto roundAndPack;
- shiftRight1:
-    shift64ExtraRightJamming( zSig0, zSig1, 1, &zSig0, &zSig1 );
-    zSig0 |= LIT64( 0x8000000000000000 );
-    ++zExp;
- roundAndPack:
-    return
-        roundAndPackFloatx80(
-            STATUS(floatx80_rounding_precision), zSign, zExp, zSig0, zSig1 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of subtracting the absolute values of the extended
-| double-precision floating-point values `a' and `b'.  If `zSign' is 1, the
-| difference is negated before being returned.  `zSign' is ignored if the
-| result is a NaN.  The subtraction is performed according to the IEC/IEEE
-| Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-static floatx80 subFloatx80Sigs( floatx80 a, floatx80 b, flag zSign STATUS_PARAM )
-{
-    int32 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig0, zSig1;
-    int32 expDiff;
-    floatx80 z;
-
-    aSig = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    bSig = extractFloatx80Frac( b );
-    bExp = extractFloatx80Exp( b );
-    expDiff = aExp - bExp;
-    if ( 0 < expDiff ) goto aExpBigger;
-    if ( expDiff < 0 ) goto bExpBigger;
-    if ( aExp == 0x7FFF ) {
-        if ( (bits64) ( ( aSig | bSig )<<1 ) ) {
-            return propagateFloatx80NaN( a, b STATUS_VAR );
-        }
-        float_raise( float_flag_invalid STATUS_VAR);
-        z.low = floatx80_default_nan_low;
-        z.high = floatx80_default_nan_high;
-        return z;
-    }
-    if ( aExp == 0 ) {
-        aExp = 1;
-        bExp = 1;
-    }
-    zSig1 = 0;
-    if ( bSig < aSig ) goto aBigger;
-    if ( aSig < bSig ) goto bBigger;
-    return packFloatx80( STATUS(float_rounding_mode) == float_round_down, 0, 0 );
- bExpBigger:
-    if ( bExp == 0x7FFF ) {
-        if ( (bits64) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
-        return packFloatx80( zSign ^ 1, 0x7FFF, LIT64( 0x8000000000000000 ) );
-    }
-    if ( aExp == 0 ) ++expDiff;
-    shift128RightJamming( aSig, 0, - expDiff, &aSig, &zSig1 );
- bBigger:
-    sub128( bSig, 0, aSig, zSig1, &zSig0, &zSig1 );
-    zExp = bExp;
-    zSign ^= 1;
-    goto normalizeRoundAndPack;
- aExpBigger:
-    if ( aExp == 0x7FFF ) {
-        if ( (bits64) ( aSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
-        return a;
-    }
-    if ( bExp == 0 ) --expDiff;
-    shift128RightJamming( bSig, 0, expDiff, &bSig, &zSig1 );
- aBigger:
-    sub128( aSig, 0, bSig, zSig1, &zSig0, &zSig1 );
-    zExp = aExp;
- normalizeRoundAndPack:
-    return
-        normalizeRoundAndPackFloatx80(
-            STATUS(floatx80_rounding_precision), zSign, zExp, zSig0, zSig1 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of adding the extended double-precision floating-point
-| values `a' and `b'.  The operation is performed according to the IEC/IEEE
-| Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 floatx80_add( floatx80 a, floatx80 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    aSign = extractFloatx80Sign( a );
-    bSign = extractFloatx80Sign( b );
-    if ( aSign == bSign ) {
-        return addFloatx80Sigs( a, b, aSign STATUS_VAR );
-    }
-    else {
-        return subFloatx80Sigs( a, b, aSign STATUS_VAR );
-    }
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of subtracting the extended double-precision floating-
-| point values `a' and `b'.  The operation is performed according to the
-| IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 floatx80_sub( floatx80 a, floatx80 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    aSign = extractFloatx80Sign( a );
-    bSign = extractFloatx80Sign( b );
-    if ( aSign == bSign ) {
-        return subFloatx80Sigs( a, b, aSign STATUS_VAR );
-    }
-    else {
-        return addFloatx80Sigs( a, b, aSign STATUS_VAR );
-    }
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of multiplying the extended double-precision floating-
-| point values `a' and `b'.  The operation is performed according to the
-| IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 floatx80_mul( floatx80 a, floatx80 b STATUS_PARAM )
-{
-    flag aSign, bSign, zSign;
-    int32 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig0, zSig1;
-    floatx80 z;
-
-    aSig = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    aSign = extractFloatx80Sign( a );
-    bSig = extractFloatx80Frac( b );
-    bExp = extractFloatx80Exp( b );
-    bSign = extractFloatx80Sign( b );
-    zSign = aSign ^ bSign;
-    if ( aExp == 0x7FFF ) {
-        if (    (bits64) ( aSig<<1 )
-             || ( ( bExp == 0x7FFF ) && (bits64) ( bSig<<1 ) ) ) {
-            return propagateFloatx80NaN( a, b STATUS_VAR );
-        }
-        if ( ( bExp | bSig ) == 0 ) goto invalid;
-        return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
-    }
-    if ( bExp == 0x7FFF ) {
-        if ( (bits64) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
-        if ( ( aExp | aSig ) == 0 ) {
- invalid:
-            float_raise( float_flag_invalid STATUS_VAR);
-            z.low = floatx80_default_nan_low;
-            z.high = floatx80_default_nan_high;
-            return z;
-        }
-        return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return packFloatx80( zSign, 0, 0 );
-        normalizeFloatx80Subnormal( aSig, &aExp, &aSig );
-    }
-    if ( bExp == 0 ) {
-        if ( bSig == 0 ) return packFloatx80( zSign, 0, 0 );
-        normalizeFloatx80Subnormal( bSig, &bExp, &bSig );
-    }
-    zExp = aExp + bExp - 0x3FFE;
-    mul64To128( aSig, bSig, &zSig0, &zSig1 );
-    if ( 0 < (sbits64) zSig0 ) {
-        shortShift128Left( zSig0, zSig1, 1, &zSig0, &zSig1 );
-        --zExp;
-    }
-    return
-        roundAndPackFloatx80(
-            STATUS(floatx80_rounding_precision), zSign, zExp, zSig0, zSig1 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of dividing the extended double-precision floating-point
-| value `a' by the corresponding value `b'.  The operation is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 floatx80_div( floatx80 a, floatx80 b STATUS_PARAM )
-{
-    flag aSign, bSign, zSign;
-    int32 aExp, bExp, zExp;
-    bits64 aSig, bSig, zSig0, zSig1;
-    bits64 rem0, rem1, rem2, term0, term1, term2;
-    floatx80 z;
-
-    aSig = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    aSign = extractFloatx80Sign( a );
-    bSig = extractFloatx80Frac( b );
-    bExp = extractFloatx80Exp( b );
-    bSign = extractFloatx80Sign( b );
-    zSign = aSign ^ bSign;
-    if ( aExp == 0x7FFF ) {
-        if ( (bits64) ( aSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
-        if ( bExp == 0x7FFF ) {
-            if ( (bits64) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
-            goto invalid;
-        }
-        return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
-    }
-    if ( bExp == 0x7FFF ) {
-        if ( (bits64) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
-        return packFloatx80( zSign, 0, 0 );
-    }
-    if ( bExp == 0 ) {
-        if ( bSig == 0 ) {
-            if ( ( aExp | aSig ) == 0 ) {
- invalid:
-                float_raise( float_flag_invalid STATUS_VAR);
-                z.low = floatx80_default_nan_low;
-                z.high = floatx80_default_nan_high;
-                return z;
-            }
-            float_raise( float_flag_divbyzero STATUS_VAR);
-            return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
-        }
-        normalizeFloatx80Subnormal( bSig, &bExp, &bSig );
-    }
-    if ( aExp == 0 ) {
-        if ( aSig == 0 ) return packFloatx80( zSign, 0, 0 );
-        normalizeFloatx80Subnormal( aSig, &aExp, &aSig );
-    }
-    zExp = aExp - bExp + 0x3FFE;
-    rem1 = 0;
-    if ( bSig <= aSig ) {
-        shift128Right( aSig, 0, 1, &aSig, &rem1 );
-        ++zExp;
-    }
-    zSig0 = estimateDiv128To64( aSig, rem1, bSig );
-    mul64To128( bSig, zSig0, &term0, &term1 );
-    sub128( aSig, rem1, term0, term1, &rem0, &rem1 );
-    while ( (sbits64) rem0 < 0 ) {
-        --zSig0;
-        add128( rem0, rem1, 0, bSig, &rem0, &rem1 );
-    }
-    zSig1 = estimateDiv128To64( rem1, 0, bSig );
-    if ( (bits64) ( zSig1<<1 ) <= 8 ) {
-        mul64To128( bSig, zSig1, &term1, &term2 );
-        sub128( rem1, 0, term1, term2, &rem1, &rem2 );
-        while ( (sbits64) rem1 < 0 ) {
-            --zSig1;
-            add128( rem1, rem2, 0, bSig, &rem1, &rem2 );
-        }
-        zSig1 |= ( ( rem1 | rem2 ) != 0 );
-    }
-    return
-        roundAndPackFloatx80(
-            STATUS(floatx80_rounding_precision), zSign, zExp, zSig0, zSig1 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the remainder of the extended double-precision floating-point value
-| `a' with respect to the corresponding value `b'.  The operation is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 floatx80_rem( floatx80 a, floatx80 b STATUS_PARAM )
-{
-    flag aSign, bSign, zSign;
-    int32 aExp, bExp, expDiff;
-    bits64 aSig0, aSig1, bSig;
-    bits64 q, term0, term1, alternateASig0, alternateASig1;
-    floatx80 z;
-
-    aSig0 = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    aSign = extractFloatx80Sign( a );
-    bSig = extractFloatx80Frac( b );
-    bExp = extractFloatx80Exp( b );
-    bSign = extractFloatx80Sign( b );
-    if ( aExp == 0x7FFF ) {
-        if (    (bits64) ( aSig0<<1 )
-             || ( ( bExp == 0x7FFF ) && (bits64) ( bSig<<1 ) ) ) {
-            return propagateFloatx80NaN( a, b STATUS_VAR );
-        }
-        goto invalid;
-    }
-    if ( bExp == 0x7FFF ) {
-        if ( (bits64) ( bSig<<1 ) ) return propagateFloatx80NaN( a, b STATUS_VAR );
-        return a;
-    }
-    if ( bExp == 0 ) {
-        if ( bSig == 0 ) {
- invalid:
-            float_raise( float_flag_invalid STATUS_VAR);
-            z.low = floatx80_default_nan_low;
-            z.high = floatx80_default_nan_high;
-            return z;
-        }
-        normalizeFloatx80Subnormal( bSig, &bExp, &bSig );
-    }
-    if ( aExp == 0 ) {
-        if ( (bits64) ( aSig0<<1 ) == 0 ) return a;
-        normalizeFloatx80Subnormal( aSig0, &aExp, &aSig0 );
-    }
-    bSig |= LIT64( 0x8000000000000000 );
-    zSign = aSign;
-    expDiff = aExp - bExp;
-    aSig1 = 0;
-    if ( expDiff < 0 ) {
-        if ( expDiff < -1 ) return a;
-        shift128Right( aSig0, 0, 1, &aSig0, &aSig1 );
-        expDiff = 0;
-    }
-    q = ( bSig <= aSig0 );
-    if ( q ) aSig0 -= bSig;
-    expDiff -= 64;
-    while ( 0 < expDiff ) {
-        q = estimateDiv128To64( aSig0, aSig1, bSig );
-        q = ( 2 < q ) ? q - 2 : 0;
-        mul64To128( bSig, q, &term0, &term1 );
-        sub128( aSig0, aSig1, term0, term1, &aSig0, &aSig1 );
-        shortShift128Left( aSig0, aSig1, 62, &aSig0, &aSig1 );
-        expDiff -= 62;
-    }
-    expDiff += 64;
-    if ( 0 < expDiff ) {
-        q = estimateDiv128To64( aSig0, aSig1, bSig );
-        q = ( 2 < q ) ? q - 2 : 0;
-        q >>= 64 - expDiff;
-        mul64To128( bSig, q<<( 64 - expDiff ), &term0, &term1 );
-        sub128( aSig0, aSig1, term0, term1, &aSig0, &aSig1 );
-        shortShift128Left( 0, bSig, 64 - expDiff, &term0, &term1 );
-        while ( le128( term0, term1, aSig0, aSig1 ) ) {
-            ++q;
-            sub128( aSig0, aSig1, term0, term1, &aSig0, &aSig1 );
-        }
-    }
-    else {
-        term1 = 0;
-        term0 = bSig;
-    }
-    sub128( term0, term1, aSig0, aSig1, &alternateASig0, &alternateASig1 );
-    if (    lt128( alternateASig0, alternateASig1, aSig0, aSig1 )
-         || (    eq128( alternateASig0, alternateASig1, aSig0, aSig1 )
-              && ( q & 1 ) )
-       ) {
-        aSig0 = alternateASig0;
-        aSig1 = alternateASig1;
-        zSign = ! zSign;
-    }
-    return
-        normalizeRoundAndPackFloatx80(
-            80, zSign, bExp + expDiff, aSig0, aSig1 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the square root of the extended double-precision floating-point
-| value `a'.  The operation is performed according to the IEC/IEEE Standard
-| for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 floatx80_sqrt( floatx80 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp, zExp;
-    bits64 aSig0, aSig1, zSig0, zSig1, doubleZSig0;
-    bits64 rem0, rem1, rem2, rem3, term0, term1, term2, term3;
-    floatx80 z;
-
-    aSig0 = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    aSign = extractFloatx80Sign( a );
-    if ( aExp == 0x7FFF ) {
-        if ( (bits64) ( aSig0<<1 ) ) return propagateFloatx80NaN( a, a STATUS_VAR );
-        if ( ! aSign ) return a;
-        goto invalid;
-    }
-    if ( aSign ) {
-        if ( ( aExp | aSig0 ) == 0 ) return a;
- invalid:
-        float_raise( float_flag_invalid STATUS_VAR);
-        z.low = floatx80_default_nan_low;
-        z.high = floatx80_default_nan_high;
-        return z;
-    }
-    if ( aExp == 0 ) {
-        if ( aSig0 == 0 ) return packFloatx80( 0, 0, 0 );
-        normalizeFloatx80Subnormal( aSig0, &aExp, &aSig0 );
-    }
-    zExp = ( ( aExp - 0x3FFF )>>1 ) + 0x3FFF;
-    zSig0 = estimateSqrt32( aExp, aSig0>>32 );
-    shift128Right( aSig0, 0, 2 + ( aExp & 1 ), &aSig0, &aSig1 );
-    zSig0 = estimateDiv128To64( aSig0, aSig1, zSig0<<32 ) + ( zSig0<<30 );
-    doubleZSig0 = zSig0<<1;
-    mul64To128( zSig0, zSig0, &term0, &term1 );
-    sub128( aSig0, aSig1, term0, term1, &rem0, &rem1 );
-    while ( (sbits64) rem0 < 0 ) {
-        --zSig0;
-        doubleZSig0 -= 2;
-        add128( rem0, rem1, zSig0>>63, doubleZSig0 | 1, &rem0, &rem1 );
-    }
-    zSig1 = estimateDiv128To64( rem1, 0, doubleZSig0 );
-    if ( ( zSig1 & LIT64( 0x3FFFFFFFFFFFFFFF ) ) <= 5 ) {
-        if ( zSig1 == 0 ) zSig1 = 1;
-        mul64To128( doubleZSig0, zSig1, &term1, &term2 );
-        sub128( rem1, 0, term1, term2, &rem1, &rem2 );
-        mul64To128( zSig1, zSig1, &term2, &term3 );
-        sub192( rem1, rem2, 0, 0, term2, term3, &rem1, &rem2, &rem3 );
-        while ( (sbits64) rem1 < 0 ) {
-            --zSig1;
-            shortShift128Left( 0, zSig1, 1, &term2, &term3 );
-            term3 |= 1;
-            term2 |= doubleZSig0;
-            add192( rem1, rem2, rem3, 0, term2, term3, &rem1, &rem2, &rem3 );
-        }
-        zSig1 |= ( ( rem1 | rem2 | rem3 ) != 0 );
-    }
-    shortShift128Left( 0, zSig1, 1, &zSig0, &zSig1 );
-    zSig0 |= doubleZSig0;
-    return
-        roundAndPackFloatx80(
-            STATUS(floatx80_rounding_precision), 0, zExp, zSig0, zSig1 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the extended double-precision floating-point value `a' is
-| equal to the corresponding value `b', and 0 otherwise.  The comparison is
-| performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int floatx80_eq( floatx80 a, floatx80 b STATUS_PARAM )
-{
-
-    if (    (    ( extractFloatx80Exp( a ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( a )<<1 ) )
-         || (    ( extractFloatx80Exp( b ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( b )<<1 ) )
-       ) {
-        if (    floatx80_is_signaling_nan( a )
-             || floatx80_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return 0;
-    }
-    return
-           ( a.low == b.low )
-        && (    ( a.high == b.high )
-             || (    ( a.low == 0 )
-                  && ( (bits16) ( ( a.high | b.high )<<1 ) == 0 ) )
-           );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the extended double-precision floating-point value `a' is
-| less than or equal to the corresponding value `b', and 0 otherwise.  The
-| comparison is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int floatx80_le( floatx80 a, floatx80 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    if (    (    ( extractFloatx80Exp( a ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( a )<<1 ) )
-         || (    ( extractFloatx80Exp( b ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( b )<<1 ) )
-       ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return 0;
-    }
-    aSign = extractFloatx80Sign( a );
-    bSign = extractFloatx80Sign( b );
-    if ( aSign != bSign ) {
-        return
-               aSign
-            || (    ( ( (bits16) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
-                 == 0 );
-    }
-    return
-          aSign ? le128( b.high, b.low, a.high, a.low )
-        : le128( a.high, a.low, b.high, b.low );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the extended double-precision floating-point value `a' is
-| less than the corresponding value `b', and 0 otherwise.  The comparison
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int floatx80_lt( floatx80 a, floatx80 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    if (    (    ( extractFloatx80Exp( a ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( a )<<1 ) )
-         || (    ( extractFloatx80Exp( b ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( b )<<1 ) )
-       ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return 0;
-    }
-    aSign = extractFloatx80Sign( a );
-    bSign = extractFloatx80Sign( b );
-    if ( aSign != bSign ) {
-        return
-               aSign
-            && (    ( ( (bits16) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
-                 != 0 );
-    }
-    return
-          aSign ? lt128( b.high, b.low, a.high, a.low )
-        : lt128( a.high, a.low, b.high, b.low );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the extended double-precision floating-point value `a' is equal
-| to the corresponding value `b', and 0 otherwise.  The invalid exception is
-| raised if either operand is a NaN.  Otherwise, the comparison is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int floatx80_eq_signaling( floatx80 a, floatx80 b STATUS_PARAM )
-{
-
-    if (    (    ( extractFloatx80Exp( a ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( a )<<1 ) )
-         || (    ( extractFloatx80Exp( b ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( b )<<1 ) )
-       ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return 0;
-    }
-    return
-           ( a.low == b.low )
-        && (    ( a.high == b.high )
-             || (    ( a.low == 0 )
-                  && ( (bits16) ( ( a.high | b.high )<<1 ) == 0 ) )
-           );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the extended double-precision floating-point value `a' is less
-| than or equal to the corresponding value `b', and 0 otherwise.  Quiet NaNs
-| do not cause an exception.  Otherwise, the comparison is performed according
-| to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int floatx80_le_quiet( floatx80 a, floatx80 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    if (    (    ( extractFloatx80Exp( a ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( a )<<1 ) )
-         || (    ( extractFloatx80Exp( b ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( b )<<1 ) )
-       ) {
-        if (    floatx80_is_signaling_nan( a )
-             || floatx80_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return 0;
-    }
-    aSign = extractFloatx80Sign( a );
-    bSign = extractFloatx80Sign( b );
-    if ( aSign != bSign ) {
-        return
-               aSign
-            || (    ( ( (bits16) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
-                 == 0 );
-    }
-    return
-          aSign ? le128( b.high, b.low, a.high, a.low )
-        : le128( a.high, a.low, b.high, b.low );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the extended double-precision floating-point value `a' is less
-| than the corresponding value `b', and 0 otherwise.  Quiet NaNs do not cause
-| an exception.  Otherwise, the comparison is performed according to the
-| IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int floatx80_lt_quiet( floatx80 a, floatx80 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    if (    (    ( extractFloatx80Exp( a ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( a )<<1 ) )
-         || (    ( extractFloatx80Exp( b ) == 0x7FFF )
-              && (bits64) ( extractFloatx80Frac( b )<<1 ) )
-       ) {
-        if (    floatx80_is_signaling_nan( a )
-             || floatx80_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return 0;
-    }
-    aSign = extractFloatx80Sign( a );
-    bSign = extractFloatx80Sign( b );
-    if ( aSign != bSign ) {
-        return
-               aSign
-            && (    ( ( (bits16) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
-                 != 0 );
-    }
-    return
-          aSign ? lt128( b.high, b.low, a.high, a.low )
-        : lt128( a.high, a.low, b.high, b.low );
-
-}
-
-#endif
-
-#ifdef FLOAT128
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the quadruple-precision floating-point
-| value `a' to the 32-bit two's complement integer format.  The conversion
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic---which means in particular that the conversion is rounded
-| according to the current rounding mode.  If `a' is a NaN, the largest
-| positive integer is returned.  Otherwise, if the conversion overflows, the
-| largest integer with the same sign as `a' is returned.
-*----------------------------------------------------------------------------*/
-
-int32 float128_to_int32( float128 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp, shiftCount;
-    bits64 aSig0, aSig1;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    aSign = extractFloat128Sign( a );
-    if ( ( aExp == 0x7FFF ) && ( aSig0 | aSig1 ) ) aSign = 0;
-    if ( aExp ) aSig0 |= LIT64( 0x0001000000000000 );
-    aSig0 |= ( aSig1 != 0 );
-    shiftCount = 0x4028 - aExp;
-    if ( 0 < shiftCount ) shift64RightJamming( aSig0, shiftCount, &aSig0 );
-    return roundAndPackInt32( aSign, aSig0 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the quadruple-precision floating-point
-| value `a' to the 32-bit two's complement integer format.  The conversion
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic, except that the conversion is always rounded toward zero.  If
-| `a' is a NaN, the largest positive integer is returned.  Otherwise, if the
-| conversion overflows, the largest integer with the same sign as `a' is
-| returned.
-*----------------------------------------------------------------------------*/
-
-int32 float128_to_int32_round_to_zero( float128 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp, shiftCount;
-    bits64 aSig0, aSig1, savedASig;
-    int32 z;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    aSign = extractFloat128Sign( a );
-    aSig0 |= ( aSig1 != 0 );
-    if ( 0x401E < aExp ) {
-        if ( ( aExp == 0x7FFF ) && aSig0 ) aSign = 0;
-        goto invalid;
-    }
-    else if ( aExp < 0x3FFF ) {
-        if ( aExp || aSig0 ) STATUS(float_exception_flags) |= float_flag_inexact;
-        return 0;
-    }
-    aSig0 |= LIT64( 0x0001000000000000 );
-    shiftCount = 0x402F - aExp;
-    savedASig = aSig0;
-    aSig0 >>= shiftCount;
-    z = aSig0;
-    if ( aSign ) z = - z;
-    if ( ( z < 0 ) ^ aSign ) {
- invalid:
-        float_raise( float_flag_invalid STATUS_VAR);
-        return aSign ? (sbits32) 0x80000000 : 0x7FFFFFFF;
-    }
-    if ( ( aSig0<<shiftCount ) != savedASig ) {
-        STATUS(float_exception_flags) |= float_flag_inexact;
-    }
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the quadruple-precision floating-point
-| value `a' to the 64-bit two's complement integer format.  The conversion
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic---which means in particular that the conversion is rounded
-| according to the current rounding mode.  If `a' is a NaN, the largest
-| positive integer is returned.  Otherwise, if the conversion overflows, the
-| largest integer with the same sign as `a' is returned.
-*----------------------------------------------------------------------------*/
-
-int64 float128_to_int64( float128 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp, shiftCount;
-    bits64 aSig0, aSig1;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    aSign = extractFloat128Sign( a );
-    if ( aExp ) aSig0 |= LIT64( 0x0001000000000000 );
-    shiftCount = 0x402F - aExp;
-    if ( shiftCount <= 0 ) {
-        if ( 0x403E < aExp ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-            if (    ! aSign
-                 || (    ( aExp == 0x7FFF )
-                      && ( aSig1 || ( aSig0 != LIT64( 0x0001000000000000 ) ) )
-                    )
-               ) {
-                return LIT64( 0x7FFFFFFFFFFFFFFF );
-            }
-            return (sbits64) LIT64( 0x8000000000000000 );
-        }
-        shortShift128Left( aSig0, aSig1, - shiftCount, &aSig0, &aSig1 );
-    }
-    else {
-        shift64ExtraRightJamming( aSig0, aSig1, shiftCount, &aSig0, &aSig1 );
-    }
-    return roundAndPackInt64( aSign, aSig0, aSig1 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the quadruple-precision floating-point
-| value `a' to the 64-bit two's complement integer format.  The conversion
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic, except that the conversion is always rounded toward zero.
-| If `a' is a NaN, the largest positive integer is returned.  Otherwise, if
-| the conversion overflows, the largest integer with the same sign as `a' is
-| returned.
-*----------------------------------------------------------------------------*/
-
-int64 float128_to_int64_round_to_zero( float128 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp, shiftCount;
-    bits64 aSig0, aSig1;
-    int64 z;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    aSign = extractFloat128Sign( a );
-    if ( aExp ) aSig0 |= LIT64( 0x0001000000000000 );
-    shiftCount = aExp - 0x402F;
-    if ( 0 < shiftCount ) {
-        if ( 0x403E <= aExp ) {
-            aSig0 &= LIT64( 0x0000FFFFFFFFFFFF );
-            if (    ( a.high == LIT64( 0xC03E000000000000 ) )
-                 && ( aSig1 < LIT64( 0x0002000000000000 ) ) ) {
-                if ( aSig1 ) STATUS(float_exception_flags) |= float_flag_inexact;
-            }
-            else {
-                float_raise( float_flag_invalid STATUS_VAR);
-                if ( ! aSign || ( ( aExp == 0x7FFF ) && ( aSig0 | aSig1 ) ) ) {
-                    return LIT64( 0x7FFFFFFFFFFFFFFF );
-                }
-            }
-            return (sbits64) LIT64( 0x8000000000000000 );
-        }
-        z = ( aSig0<<shiftCount ) | ( aSig1>>( ( - shiftCount ) & 63 ) );
-        if ( (bits64) ( aSig1<<shiftCount ) ) {
-            STATUS(float_exception_flags) |= float_flag_inexact;
-        }
-    }
-    else {
-        if ( aExp < 0x3FFF ) {
-            if ( aExp | aSig0 | aSig1 ) {
-                STATUS(float_exception_flags) |= float_flag_inexact;
-            }
-            return 0;
-        }
-        z = aSig0>>( - shiftCount );
-        if (    aSig1
-             || ( shiftCount && (bits64) ( aSig0<<( shiftCount & 63 ) ) ) ) {
-            STATUS(float_exception_flags) |= float_flag_inexact;
-        }
-    }
-    if ( aSign ) z = - z;
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the quadruple-precision floating-point
-| value `a' to the single-precision floating-point format.  The conversion
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float32 float128_to_float32( float128 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp;
-    bits64 aSig0, aSig1;
-    bits32 zSig;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    aSign = extractFloat128Sign( a );
-    if ( aExp == 0x7FFF ) {
-        if ( aSig0 | aSig1 ) {
-            return commonNaNToFloat32( float128ToCommonNaN( a STATUS_VAR ) );
-        }
-        return packFloat32( aSign, 0xFF, 0 );
-    }
-    aSig0 |= ( aSig1 != 0 );
-    shift64RightJamming( aSig0, 18, &aSig0 );
-    zSig = aSig0;
-    if ( aExp || zSig ) {
-        zSig |= 0x40000000;
-        aExp -= 0x3F81;
-    }
-    return roundAndPackFloat32( aSign, aExp, zSig STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the quadruple-precision floating-point
-| value `a' to the double-precision floating-point format.  The conversion
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float64 float128_to_float64( float128 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp;
-    bits64 aSig0, aSig1;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    aSign = extractFloat128Sign( a );
-    if ( aExp == 0x7FFF ) {
-        if ( aSig0 | aSig1 ) {
-            return commonNaNToFloat64( float128ToCommonNaN( a STATUS_VAR ) );
-        }
-        return packFloat64( aSign, 0x7FF, 0 );
-    }
-    shortShift128Left( aSig0, aSig1, 14, &aSig0, &aSig1 );
-    aSig0 |= ( aSig1 != 0 );
-    if ( aExp || aSig0 ) {
-        aSig0 |= LIT64( 0x4000000000000000 );
-        aExp -= 0x3C01;
-    }
-    return roundAndPackFloat64( aSign, aExp, aSig0 STATUS_VAR );
-
-}
-
-#ifdef FLOATX80
-
-/*----------------------------------------------------------------------------
-| Returns the result of converting the quadruple-precision floating-point
-| value `a' to the extended double-precision floating-point format.  The
-| conversion is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-floatx80 float128_to_floatx80( float128 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp;
-    bits64 aSig0, aSig1;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    aSign = extractFloat128Sign( a );
-    if ( aExp == 0x7FFF ) {
-        if ( aSig0 | aSig1 ) {
-            return commonNaNToFloatx80( float128ToCommonNaN( a STATUS_VAR ) );
-        }
-        return packFloatx80( aSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
-    }
-    if ( aExp == 0 ) {
-        if ( ( aSig0 | aSig1 ) == 0 ) return packFloatx80( aSign, 0, 0 );
-        normalizeFloat128Subnormal( aSig0, aSig1, &aExp, &aSig0, &aSig1 );
-    }
-    else {
-        aSig0 |= LIT64( 0x0001000000000000 );
-    }
-    shortShift128Left( aSig0, aSig1, 15, &aSig0, &aSig1 );
-    return roundAndPackFloatx80( 80, aSign, aExp, aSig0, aSig1 STATUS_VAR );
-
-}
-
-#endif
-
-/*----------------------------------------------------------------------------
-| Rounds the quadruple-precision floating-point value `a' to an integer, and
-| returns the result as a quadruple-precision floating-point value.  The
-| operation is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float128 float128_round_to_int( float128 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp;
-    bits64 lastBitMask, roundBitsMask;
-    int8 roundingMode;
-    float128 z;
-
-    aExp = extractFloat128Exp( a );
-    if ( 0x402F <= aExp ) {
-        if ( 0x406F <= aExp ) {
-            if (    ( aExp == 0x7FFF )
-                 && ( extractFloat128Frac0( a ) | extractFloat128Frac1( a ) )
-               ) {
-                return propagateFloat128NaN( a, a STATUS_VAR );
-            }
-            return a;
-        }
-        lastBitMask = 1;
-        lastBitMask = ( lastBitMask<<( 0x406E - aExp ) )<<1;
-        roundBitsMask = lastBitMask - 1;
-        z = a;
-        roundingMode = STATUS(float_rounding_mode);
-        if ( roundingMode == float_round_nearest_even ) {
-            if ( lastBitMask ) {
-                add128( z.high, z.low, 0, lastBitMask>>1, &z.high, &z.low );
-                if ( ( z.low & roundBitsMask ) == 0 ) z.low &= ~ lastBitMask;
-            }
-            else {
-                if ( (sbits64) z.low < 0 ) {
-                    ++z.high;
-                    if ( (bits64) ( z.low<<1 ) == 0 ) z.high &= ~1;
-                }
-            }
-        }
-        else if ( roundingMode != float_round_to_zero ) {
-            if (   extractFloat128Sign( z )
-                 ^ ( roundingMode == float_round_up ) ) {
-                add128( z.high, z.low, 0, roundBitsMask, &z.high, &z.low );
-            }
-        }
-        z.low &= ~ roundBitsMask;
-    }
-    else {
-        if ( aExp < 0x3FFF ) {
-            if ( ( ( (bits64) ( a.high<<1 ) ) | a.low ) == 0 ) return a;
-            STATUS(float_exception_flags) |= float_flag_inexact;
-            aSign = extractFloat128Sign( a );
-            switch ( STATUS(float_rounding_mode) ) {
-             case float_round_nearest_even:
-                if (    ( aExp == 0x3FFE )
-                     && (   extractFloat128Frac0( a )
-                          | extractFloat128Frac1( a ) )
-                   ) {
-                    return packFloat128( aSign, 0x3FFF, 0, 0 );
-                }
-                break;
-             case float_round_down:
-                return
-                      aSign ? packFloat128( 1, 0x3FFF, 0, 0 )
-                    : packFloat128( 0, 0, 0, 0 );
-             case float_round_up:
-                return
-                      aSign ? packFloat128( 1, 0, 0, 0 )
-                    : packFloat128( 0, 0x3FFF, 0, 0 );
-            }
-            return packFloat128( aSign, 0, 0, 0 );
-        }
-        lastBitMask = 1;
-        lastBitMask <<= 0x402F - aExp;
-        roundBitsMask = lastBitMask - 1;
-        z.low = 0;
-        z.high = a.high;
-        roundingMode = STATUS(float_rounding_mode);
-        if ( roundingMode == float_round_nearest_even ) {
-            z.high += lastBitMask>>1;
-            if ( ( ( z.high & roundBitsMask ) | a.low ) == 0 ) {
-                z.high &= ~ lastBitMask;
-            }
-        }
-        else if ( roundingMode != float_round_to_zero ) {
-            if (   extractFloat128Sign( z )
-                 ^ ( roundingMode == float_round_up ) ) {
-                z.high |= ( a.low != 0 );
-                z.high += roundBitsMask;
-            }
-        }
-        z.high &= ~ roundBitsMask;
-    }
-    if ( ( z.low != a.low ) || ( z.high != a.high ) ) {
-        STATUS(float_exception_flags) |= float_flag_inexact;
-    }
-    return z;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of adding the absolute values of the quadruple-precision
-| floating-point values `a' and `b'.  If `zSign' is 1, the sum is negated
-| before being returned.  `zSign' is ignored if the result is a NaN.
-| The addition is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-static float128 addFloat128Sigs( float128 a, float128 b, flag zSign STATUS_PARAM)
-{
-    int32 aExp, bExp, zExp;
-    bits64 aSig0, aSig1, bSig0, bSig1, zSig0, zSig1, zSig2;
-    int32 expDiff;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    bSig1 = extractFloat128Frac1( b );
-    bSig0 = extractFloat128Frac0( b );
-    bExp = extractFloat128Exp( b );
-    expDiff = aExp - bExp;
-    if ( 0 < expDiff ) {
-        if ( aExp == 0x7FFF ) {
-            if ( aSig0 | aSig1 ) return propagateFloat128NaN( a, b STATUS_VAR );
-            return a;
-        }
-        if ( bExp == 0 ) {
-            --expDiff;
-        }
-        else {
-            bSig0 |= LIT64( 0x0001000000000000 );
-        }
-        shift128ExtraRightJamming(
-            bSig0, bSig1, 0, expDiff, &bSig0, &bSig1, &zSig2 );
-        zExp = aExp;
-    }
-    else if ( expDiff < 0 ) {
-        if ( bExp == 0x7FFF ) {
-            if ( bSig0 | bSig1 ) return propagateFloat128NaN( a, b STATUS_VAR );
-            return packFloat128( zSign, 0x7FFF, 0, 0 );
-        }
-        if ( aExp == 0 ) {
-            ++expDiff;
-        }
-        else {
-            aSig0 |= LIT64( 0x0001000000000000 );
-        }
-        shift128ExtraRightJamming(
-            aSig0, aSig1, 0, - expDiff, &aSig0, &aSig1, &zSig2 );
-        zExp = bExp;
-    }
-    else {
-        if ( aExp == 0x7FFF ) {
-            if ( aSig0 | aSig1 | bSig0 | bSig1 ) {
-                return propagateFloat128NaN( a, b STATUS_VAR );
-            }
-            return a;
-        }
-        add128( aSig0, aSig1, bSig0, bSig1, &zSig0, &zSig1 );
-        if ( aExp == 0 ) return packFloat128( zSign, 0, zSig0, zSig1 );
-        zSig2 = 0;
-        zSig0 |= LIT64( 0x0002000000000000 );
-        zExp = aExp;
-        goto shiftRight1;
-    }
-    aSig0 |= LIT64( 0x0001000000000000 );
-    add128( aSig0, aSig1, bSig0, bSig1, &zSig0, &zSig1 );
-    --zExp;
-    if ( zSig0 < LIT64( 0x0002000000000000 ) ) goto roundAndPack;
-    ++zExp;
- shiftRight1:
-    shift128ExtraRightJamming(
-        zSig0, zSig1, zSig2, 1, &zSig0, &zSig1, &zSig2 );
- roundAndPack:
-    return roundAndPackFloat128( zSign, zExp, zSig0, zSig1, zSig2 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of subtracting the absolute values of the quadruple-
-| precision floating-point values `a' and `b'.  If `zSign' is 1, the
-| difference is negated before being returned.  `zSign' is ignored if the
-| result is a NaN.  The subtraction is performed according to the IEC/IEEE
-| Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-static float128 subFloat128Sigs( float128 a, float128 b, flag zSign STATUS_PARAM)
-{
-    int32 aExp, bExp, zExp;
-    bits64 aSig0, aSig1, bSig0, bSig1, zSig0, zSig1;
-    int32 expDiff;
-    float128 z;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    bSig1 = extractFloat128Frac1( b );
-    bSig0 = extractFloat128Frac0( b );
-    bExp = extractFloat128Exp( b );
-    expDiff = aExp - bExp;
-    shortShift128Left( aSig0, aSig1, 14, &aSig0, &aSig1 );
-    shortShift128Left( bSig0, bSig1, 14, &bSig0, &bSig1 );
-    if ( 0 < expDiff ) goto aExpBigger;
-    if ( expDiff < 0 ) goto bExpBigger;
-    if ( aExp == 0x7FFF ) {
-        if ( aSig0 | aSig1 | bSig0 | bSig1 ) {
-            return propagateFloat128NaN( a, b STATUS_VAR );
-        }
-        float_raise( float_flag_invalid STATUS_VAR);
-        z.low = float128_default_nan_low;
-        z.high = float128_default_nan_high;
-        return z;
-    }
-    if ( aExp == 0 ) {
-        aExp = 1;
-        bExp = 1;
-    }
-    if ( bSig0 < aSig0 ) goto aBigger;
-    if ( aSig0 < bSig0 ) goto bBigger;
-    if ( bSig1 < aSig1 ) goto aBigger;
-    if ( aSig1 < bSig1 ) goto bBigger;
-    return packFloat128( STATUS(float_rounding_mode) == float_round_down, 0, 0, 0 );
- bExpBigger:
-    if ( bExp == 0x7FFF ) {
-        if ( bSig0 | bSig1 ) return propagateFloat128NaN( a, b STATUS_VAR );
-        return packFloat128( zSign ^ 1, 0x7FFF, 0, 0 );
-    }
-    if ( aExp == 0 ) {
-        ++expDiff;
-    }
-    else {
-        aSig0 |= LIT64( 0x4000000000000000 );
-    }
-    shift128RightJamming( aSig0, aSig1, - expDiff, &aSig0, &aSig1 );
-    bSig0 |= LIT64( 0x4000000000000000 );
- bBigger:
-    sub128( bSig0, bSig1, aSig0, aSig1, &zSig0, &zSig1 );
-    zExp = bExp;
-    zSign ^= 1;
-    goto normalizeRoundAndPack;
- aExpBigger:
-    if ( aExp == 0x7FFF ) {
-        if ( aSig0 | aSig1 ) return propagateFloat128NaN( a, b STATUS_VAR );
-        return a;
-    }
-    if ( bExp == 0 ) {
-        --expDiff;
-    }
-    else {
-        bSig0 |= LIT64( 0x4000000000000000 );
-    }
-    shift128RightJamming( bSig0, bSig1, expDiff, &bSig0, &bSig1 );
-    aSig0 |= LIT64( 0x4000000000000000 );
- aBigger:
-    sub128( aSig0, aSig1, bSig0, bSig1, &zSig0, &zSig1 );
-    zExp = aExp;
- normalizeRoundAndPack:
-    --zExp;
-    return normalizeRoundAndPackFloat128( zSign, zExp - 14, zSig0, zSig1 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of adding the quadruple-precision floating-point values
-| `a' and `b'.  The operation is performed according to the IEC/IEEE Standard
-| for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float128 float128_add( float128 a, float128 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    aSign = extractFloat128Sign( a );
-    bSign = extractFloat128Sign( b );
-    if ( aSign == bSign ) {
-        return addFloat128Sigs( a, b, aSign STATUS_VAR );
-    }
-    else {
-        return subFloat128Sigs( a, b, aSign STATUS_VAR );
-    }
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of subtracting the quadruple-precision floating-point
-| values `a' and `b'.  The operation is performed according to the IEC/IEEE
-| Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float128 float128_sub( float128 a, float128 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    aSign = extractFloat128Sign( a );
-    bSign = extractFloat128Sign( b );
-    if ( aSign == bSign ) {
-        return subFloat128Sigs( a, b, aSign STATUS_VAR );
-    }
-    else {
-        return addFloat128Sigs( a, b, aSign STATUS_VAR );
-    }
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of multiplying the quadruple-precision floating-point
-| values `a' and `b'.  The operation is performed according to the IEC/IEEE
-| Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float128 float128_mul( float128 a, float128 b STATUS_PARAM )
-{
-    flag aSign, bSign, zSign;
-    int32 aExp, bExp, zExp;
-    bits64 aSig0, aSig1, bSig0, bSig1, zSig0, zSig1, zSig2, zSig3;
-    float128 z;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    aSign = extractFloat128Sign( a );
-    bSig1 = extractFloat128Frac1( b );
-    bSig0 = extractFloat128Frac0( b );
-    bExp = extractFloat128Exp( b );
-    bSign = extractFloat128Sign( b );
-    zSign = aSign ^ bSign;
-    if ( aExp == 0x7FFF ) {
-        if (    ( aSig0 | aSig1 )
-             || ( ( bExp == 0x7FFF ) && ( bSig0 | bSig1 ) ) ) {
-            return propagateFloat128NaN( a, b STATUS_VAR );
-        }
-        if ( ( bExp | bSig0 | bSig1 ) == 0 ) goto invalid;
-        return packFloat128( zSign, 0x7FFF, 0, 0 );
-    }
-    if ( bExp == 0x7FFF ) {
-        if ( bSig0 | bSig1 ) return propagateFloat128NaN( a, b STATUS_VAR );
-        if ( ( aExp | aSig0 | aSig1 ) == 0 ) {
- invalid:
-            float_raise( float_flag_invalid STATUS_VAR);
-            z.low = float128_default_nan_low;
-            z.high = float128_default_nan_high;
-            return z;
-        }
-        return packFloat128( zSign, 0x7FFF, 0, 0 );
-    }
-    if ( aExp == 0 ) {
-        if ( ( aSig0 | aSig1 ) == 0 ) return packFloat128( zSign, 0, 0, 0 );
-        normalizeFloat128Subnormal( aSig0, aSig1, &aExp, &aSig0, &aSig1 );
-    }
-    if ( bExp == 0 ) {
-        if ( ( bSig0 | bSig1 ) == 0 ) return packFloat128( zSign, 0, 0, 0 );
-        normalizeFloat128Subnormal( bSig0, bSig1, &bExp, &bSig0, &bSig1 );
-    }
-    zExp = aExp + bExp - 0x4000;
-    aSig0 |= LIT64( 0x0001000000000000 );
-    shortShift128Left( bSig0, bSig1, 16, &bSig0, &bSig1 );
-    mul128To256( aSig0, aSig1, bSig0, bSig1, &zSig0, &zSig1, &zSig2, &zSig3 );
-    add128( zSig0, zSig1, aSig0, aSig1, &zSig0, &zSig1 );
-    zSig2 |= ( zSig3 != 0 );
-    if ( LIT64( 0x0002000000000000 ) <= zSig0 ) {
-        shift128ExtraRightJamming(
-            zSig0, zSig1, zSig2, 1, &zSig0, &zSig1, &zSig2 );
-        ++zExp;
-    }
-    return roundAndPackFloat128( zSign, zExp, zSig0, zSig1, zSig2 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the result of dividing the quadruple-precision floating-point value
-| `a' by the corresponding value `b'.  The operation is performed according to
-| the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float128 float128_div( float128 a, float128 b STATUS_PARAM )
-{
-    flag aSign, bSign, zSign;
-    int32 aExp, bExp, zExp;
-    bits64 aSig0, aSig1, bSig0, bSig1, zSig0, zSig1, zSig2;
-    bits64 rem0, rem1, rem2, rem3, term0, term1, term2, term3;
-    float128 z;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    aSign = extractFloat128Sign( a );
-    bSig1 = extractFloat128Frac1( b );
-    bSig0 = extractFloat128Frac0( b );
-    bExp = extractFloat128Exp( b );
-    bSign = extractFloat128Sign( b );
-    zSign = aSign ^ bSign;
-    if ( aExp == 0x7FFF ) {
-        if ( aSig0 | aSig1 ) return propagateFloat128NaN( a, b STATUS_VAR );
-        if ( bExp == 0x7FFF ) {
-            if ( bSig0 | bSig1 ) return propagateFloat128NaN( a, b STATUS_VAR );
-            goto invalid;
-        }
-        return packFloat128( zSign, 0x7FFF, 0, 0 );
-    }
-    if ( bExp == 0x7FFF ) {
-        if ( bSig0 | bSig1 ) return propagateFloat128NaN( a, b STATUS_VAR );
-        return packFloat128( zSign, 0, 0, 0 );
-    }
-    if ( bExp == 0 ) {
-        if ( ( bSig0 | bSig1 ) == 0 ) {
-            if ( ( aExp | aSig0 | aSig1 ) == 0 ) {
- invalid:
-                float_raise( float_flag_invalid STATUS_VAR);
-                z.low = float128_default_nan_low;
-                z.high = float128_default_nan_high;
-                return z;
-            }
-            float_raise( float_flag_divbyzero STATUS_VAR);
-            return packFloat128( zSign, 0x7FFF, 0, 0 );
-        }
-        normalizeFloat128Subnormal( bSig0, bSig1, &bExp, &bSig0, &bSig1 );
-    }
-    if ( aExp == 0 ) {
-        if ( ( aSig0 | aSig1 ) == 0 ) return packFloat128( zSign, 0, 0, 0 );
-        normalizeFloat128Subnormal( aSig0, aSig1, &aExp, &aSig0, &aSig1 );
-    }
-    zExp = aExp - bExp + 0x3FFD;
-    shortShift128Left(
-        aSig0 | LIT64( 0x0001000000000000 ), aSig1, 15, &aSig0, &aSig1 );
-    shortShift128Left(
-        bSig0 | LIT64( 0x0001000000000000 ), bSig1, 15, &bSig0, &bSig1 );
-    if ( le128( bSig0, bSig1, aSig0, aSig1 ) ) {
-        shift128Right( aSig0, aSig1, 1, &aSig0, &aSig1 );
-        ++zExp;
-    }
-    zSig0 = estimateDiv128To64( aSig0, aSig1, bSig0 );
-    mul128By64To192( bSig0, bSig1, zSig0, &term0, &term1, &term2 );
-    sub192( aSig0, aSig1, 0, term0, term1, term2, &rem0, &rem1, &rem2 );
-    while ( (sbits64) rem0 < 0 ) {
-        --zSig0;
-        add192( rem0, rem1, rem2, 0, bSig0, bSig1, &rem0, &rem1, &rem2 );
-    }
-    zSig1 = estimateDiv128To64( rem1, rem2, bSig0 );
-    if ( ( zSig1 & 0x3FFF ) <= 4 ) {
-        mul128By64To192( bSig0, bSig1, zSig1, &term1, &term2, &term3 );
-        sub192( rem1, rem2, 0, term1, term2, term3, &rem1, &rem2, &rem3 );
-        while ( (sbits64) rem1 < 0 ) {
-            --zSig1;
-            add192( rem1, rem2, rem3, 0, bSig0, bSig1, &rem1, &rem2, &rem3 );
-        }
-        zSig1 |= ( ( rem1 | rem2 | rem3 ) != 0 );
-    }
-    shift128ExtraRightJamming( zSig0, zSig1, 0, 15, &zSig0, &zSig1, &zSig2 );
-    return roundAndPackFloat128( zSign, zExp, zSig0, zSig1, zSig2 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the remainder of the quadruple-precision floating-point value `a'
-| with respect to the corresponding value `b'.  The operation is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float128 float128_rem( float128 a, float128 b STATUS_PARAM )
-{
-    flag aSign, bSign, zSign;
-    int32 aExp, bExp, expDiff;
-    bits64 aSig0, aSig1, bSig0, bSig1, q, term0, term1, term2;
-    bits64 allZero, alternateASig0, alternateASig1, sigMean1;
-    sbits64 sigMean0;
-    float128 z;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    aSign = extractFloat128Sign( a );
-    bSig1 = extractFloat128Frac1( b );
-    bSig0 = extractFloat128Frac0( b );
-    bExp = extractFloat128Exp( b );
-    bSign = extractFloat128Sign( b );
-    if ( aExp == 0x7FFF ) {
-        if (    ( aSig0 | aSig1 )
-             || ( ( bExp == 0x7FFF ) && ( bSig0 | bSig1 ) ) ) {
-            return propagateFloat128NaN( a, b STATUS_VAR );
-        }
-        goto invalid;
-    }
-    if ( bExp == 0x7FFF ) {
-        if ( bSig0 | bSig1 ) return propagateFloat128NaN( a, b STATUS_VAR );
-        return a;
-    }
-    if ( bExp == 0 ) {
-        if ( ( bSig0 | bSig1 ) == 0 ) {
- invalid:
-            float_raise( float_flag_invalid STATUS_VAR);
-            z.low = float128_default_nan_low;
-            z.high = float128_default_nan_high;
-            return z;
-        }
-        normalizeFloat128Subnormal( bSig0, bSig1, &bExp, &bSig0, &bSig1 );
-    }
-    if ( aExp == 0 ) {
-        if ( ( aSig0 | aSig1 ) == 0 ) return a;
-        normalizeFloat128Subnormal( aSig0, aSig1, &aExp, &aSig0, &aSig1 );
-    }
-    expDiff = aExp - bExp;
-    if ( expDiff < -1 ) return a;
-    shortShift128Left(
-        aSig0 | LIT64( 0x0001000000000000 ),
-        aSig1,
-        15 - ( expDiff < 0 ),
-        &aSig0,
-        &aSig1
-    );
-    shortShift128Left(
-        bSig0 | LIT64( 0x0001000000000000 ), bSig1, 15, &bSig0, &bSig1 );
-    q = le128( bSig0, bSig1, aSig0, aSig1 );
-    if ( q ) sub128( aSig0, aSig1, bSig0, bSig1, &aSig0, &aSig1 );
-    expDiff -= 64;
-    while ( 0 < expDiff ) {
-        q = estimateDiv128To64( aSig0, aSig1, bSig0 );
-        q = ( 4 < q ) ? q - 4 : 0;
-        mul128By64To192( bSig0, bSig1, q, &term0, &term1, &term2 );
-        shortShift192Left( term0, term1, term2, 61, &term1, &term2, &allZero );
-        shortShift128Left( aSig0, aSig1, 61, &aSig0, &allZero );
-        sub128( aSig0, 0, term1, term2, &aSig0, &aSig1 );
-        expDiff -= 61;
-    }
-    if ( -64 < expDiff ) {
-        q = estimateDiv128To64( aSig0, aSig1, bSig0 );
-        q = ( 4 < q ) ? q - 4 : 0;
-        q >>= - expDiff;
-        shift128Right( bSig0, bSig1, 12, &bSig0, &bSig1 );
-        expDiff += 52;
-        if ( expDiff < 0 ) {
-            shift128Right( aSig0, aSig1, - expDiff, &aSig0, &aSig1 );
-        }
-        else {
-            shortShift128Left( aSig0, aSig1, expDiff, &aSig0, &aSig1 );
-        }
-        mul128By64To192( bSig0, bSig1, q, &term0, &term1, &term2 );
-        sub128( aSig0, aSig1, term1, term2, &aSig0, &aSig1 );
-    }
-    else {
-        shift128Right( aSig0, aSig1, 12, &aSig0, &aSig1 );
-        shift128Right( bSig0, bSig1, 12, &bSig0, &bSig1 );
-    }
-    do {
-        alternateASig0 = aSig0;
-        alternateASig1 = aSig1;
-        ++q;
-        sub128( aSig0, aSig1, bSig0, bSig1, &aSig0, &aSig1 );
-    } while ( 0 <= (sbits64) aSig0 );
-    add128(
-        aSig0, aSig1, alternateASig0, alternateASig1, &sigMean0, &sigMean1 );
-    if (    ( sigMean0 < 0 )
-         || ( ( ( sigMean0 | sigMean1 ) == 0 ) && ( q & 1 ) ) ) {
-        aSig0 = alternateASig0;
-        aSig1 = alternateASig1;
-    }
-    zSign = ( (sbits64) aSig0 < 0 );
-    if ( zSign ) sub128( 0, 0, aSig0, aSig1, &aSig0, &aSig1 );
-    return
-        normalizeRoundAndPackFloat128( aSign ^ zSign, bExp - 4, aSig0, aSig1 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the square root of the quadruple-precision floating-point value `a'.
-| The operation is performed according to the IEC/IEEE Standard for Binary
-| Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-float128 float128_sqrt( float128 a STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp, zExp;
-    bits64 aSig0, aSig1, zSig0, zSig1, zSig2, doubleZSig0;
-    bits64 rem0, rem1, rem2, rem3, term0, term1, term2, term3;
-    float128 z;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    aSign = extractFloat128Sign( a );
-    if ( aExp == 0x7FFF ) {
-        if ( aSig0 | aSig1 ) return propagateFloat128NaN( a, a STATUS_VAR );
-        if ( ! aSign ) return a;
-        goto invalid;
-    }
-    if ( aSign ) {
-        if ( ( aExp | aSig0 | aSig1 ) == 0 ) return a;
- invalid:
-        float_raise( float_flag_invalid STATUS_VAR);
-        z.low = float128_default_nan_low;
-        z.high = float128_default_nan_high;
-        return z;
-    }
-    if ( aExp == 0 ) {
-        if ( ( aSig0 | aSig1 ) == 0 ) return packFloat128( 0, 0, 0, 0 );
-        normalizeFloat128Subnormal( aSig0, aSig1, &aExp, &aSig0, &aSig1 );
-    }
-    zExp = ( ( aExp - 0x3FFF )>>1 ) + 0x3FFE;
-    aSig0 |= LIT64( 0x0001000000000000 );
-    zSig0 = estimateSqrt32( aExp, aSig0>>17 );
-    shortShift128Left( aSig0, aSig1, 13 - ( aExp & 1 ), &aSig0, &aSig1 );
-    zSig0 = estimateDiv128To64( aSig0, aSig1, zSig0<<32 ) + ( zSig0<<30 );
-    doubleZSig0 = zSig0<<1;
-    mul64To128( zSig0, zSig0, &term0, &term1 );
-    sub128( aSig0, aSig1, term0, term1, &rem0, &rem1 );
-    while ( (sbits64) rem0 < 0 ) {
-        --zSig0;
-        doubleZSig0 -= 2;
-        add128( rem0, rem1, zSig0>>63, doubleZSig0 | 1, &rem0, &rem1 );
-    }
-    zSig1 = estimateDiv128To64( rem1, 0, doubleZSig0 );
-    if ( ( zSig1 & 0x1FFF ) <= 5 ) {
-        if ( zSig1 == 0 ) zSig1 = 1;
-        mul64To128( doubleZSig0, zSig1, &term1, &term2 );
-        sub128( rem1, 0, term1, term2, &rem1, &rem2 );
-        mul64To128( zSig1, zSig1, &term2, &term3 );
-        sub192( rem1, rem2, 0, 0, term2, term3, &rem1, &rem2, &rem3 );
-        while ( (sbits64) rem1 < 0 ) {
-            --zSig1;
-            shortShift128Left( 0, zSig1, 1, &term2, &term3 );
-            term3 |= 1;
-            term2 |= doubleZSig0;
-            add192( rem1, rem2, rem3, 0, term2, term3, &rem1, &rem2, &rem3 );
-        }
-        zSig1 |= ( ( rem1 | rem2 | rem3 ) != 0 );
-    }
-    shift128ExtraRightJamming( zSig0, zSig1, 0, 14, &zSig0, &zSig1, &zSig2 );
-    return roundAndPackFloat128( 0, zExp, zSig0, zSig1, zSig2 STATUS_VAR );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the quadruple-precision floating-point value `a' is equal to
-| the corresponding value `b', and 0 otherwise.  The comparison is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float128_eq( float128 a, float128 b STATUS_PARAM )
-{
-
-    if (    (    ( extractFloat128Exp( a ) == 0x7FFF )
-              && ( extractFloat128Frac0( a ) | extractFloat128Frac1( a ) ) )
-         || (    ( extractFloat128Exp( b ) == 0x7FFF )
-              && ( extractFloat128Frac0( b ) | extractFloat128Frac1( b ) ) )
-       ) {
-        if (    float128_is_signaling_nan( a )
-             || float128_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return 0;
-    }
-    return
-           ( a.low == b.low )
-        && (    ( a.high == b.high )
-             || (    ( a.low == 0 )
-                  && ( (bits64) ( ( a.high | b.high )<<1 ) == 0 ) )
-           );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the quadruple-precision floating-point value `a' is less than
-| or equal to the corresponding value `b', and 0 otherwise.  The comparison
-| is performed according to the IEC/IEEE Standard for Binary Floating-Point
-| Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float128_le( float128 a, float128 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    if (    (    ( extractFloat128Exp( a ) == 0x7FFF )
-              && ( extractFloat128Frac0( a ) | extractFloat128Frac1( a ) ) )
-         || (    ( extractFloat128Exp( b ) == 0x7FFF )
-              && ( extractFloat128Frac0( b ) | extractFloat128Frac1( b ) ) )
-       ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return 0;
-    }
-    aSign = extractFloat128Sign( a );
-    bSign = extractFloat128Sign( b );
-    if ( aSign != bSign ) {
-        return
-               aSign
-            || (    ( ( (bits64) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
-                 == 0 );
-    }
-    return
-          aSign ? le128( b.high, b.low, a.high, a.low )
-        : le128( a.high, a.low, b.high, b.low );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the quadruple-precision floating-point value `a' is less than
-| the corresponding value `b', and 0 otherwise.  The comparison is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float128_lt( float128 a, float128 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    if (    (    ( extractFloat128Exp( a ) == 0x7FFF )
-              && ( extractFloat128Frac0( a ) | extractFloat128Frac1( a ) ) )
-         || (    ( extractFloat128Exp( b ) == 0x7FFF )
-              && ( extractFloat128Frac0( b ) | extractFloat128Frac1( b ) ) )
-       ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return 0;
-    }
-    aSign = extractFloat128Sign( a );
-    bSign = extractFloat128Sign( b );
-    if ( aSign != bSign ) {
-        return
-               aSign
-            && (    ( ( (bits64) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
-                 != 0 );
-    }
-    return
-          aSign ? lt128( b.high, b.low, a.high, a.low )
-        : lt128( a.high, a.low, b.high, b.low );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the quadruple-precision floating-point value `a' is equal to
-| the corresponding value `b', and 0 otherwise.  The invalid exception is
-| raised if either operand is a NaN.  Otherwise, the comparison is performed
-| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float128_eq_signaling( float128 a, float128 b STATUS_PARAM )
-{
-
-    if (    (    ( extractFloat128Exp( a ) == 0x7FFF )
-              && ( extractFloat128Frac0( a ) | extractFloat128Frac1( a ) ) )
-         || (    ( extractFloat128Exp( b ) == 0x7FFF )
-              && ( extractFloat128Frac0( b ) | extractFloat128Frac1( b ) ) )
-       ) {
-        float_raise( float_flag_invalid STATUS_VAR);
-        return 0;
-    }
-    return
-           ( a.low == b.low )
-        && (    ( a.high == b.high )
-             || (    ( a.low == 0 )
-                  && ( (bits64) ( ( a.high | b.high )<<1 ) == 0 ) )
-           );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the quadruple-precision floating-point value `a' is less than
-| or equal to the corresponding value `b', and 0 otherwise.  Quiet NaNs do not
-| cause an exception.  Otherwise, the comparison is performed according to the
-| IEC/IEEE Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float128_le_quiet( float128 a, float128 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    if (    (    ( extractFloat128Exp( a ) == 0x7FFF )
-              && ( extractFloat128Frac0( a ) | extractFloat128Frac1( a ) ) )
-         || (    ( extractFloat128Exp( b ) == 0x7FFF )
-              && ( extractFloat128Frac0( b ) | extractFloat128Frac1( b ) ) )
-       ) {
-        if (    float128_is_signaling_nan( a )
-             || float128_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return 0;
-    }
-    aSign = extractFloat128Sign( a );
-    bSign = extractFloat128Sign( b );
-    if ( aSign != bSign ) {
-        return
-               aSign
-            || (    ( ( (bits64) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
-                 == 0 );
-    }
-    return
-          aSign ? le128( b.high, b.low, a.high, a.low )
-        : le128( a.high, a.low, b.high, b.low );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns 1 if the quadruple-precision floating-point value `a' is less than
-| the corresponding value `b', and 0 otherwise.  Quiet NaNs do not cause an
-| exception.  Otherwise, the comparison is performed according to the IEC/IEEE
-| Standard for Binary Floating-Point Arithmetic.
-*----------------------------------------------------------------------------*/
-
-int float128_lt_quiet( float128 a, float128 b STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    if (    (    ( extractFloat128Exp( a ) == 0x7FFF )
-              && ( extractFloat128Frac0( a ) | extractFloat128Frac1( a ) ) )
-         || (    ( extractFloat128Exp( b ) == 0x7FFF )
-              && ( extractFloat128Frac0( b ) | extractFloat128Frac1( b ) ) )
-       ) {
-        if (    float128_is_signaling_nan( a )
-             || float128_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return 0;
-    }
-    aSign = extractFloat128Sign( a );
-    bSign = extractFloat128Sign( b );
-    if ( aSign != bSign ) {
-        return
-               aSign
-            && (    ( ( (bits64) ( ( a.high | b.high )<<1 ) ) | a.low | b.low )
-                 != 0 );
-    }
-    return
-          aSign ? lt128( b.high, b.low, a.high, a.low )
-        : lt128( a.high, a.low, b.high, b.low );
-
-}
-
-#endif
-
-/* misc functions */
-float32 uint32_to_float32( unsigned int a STATUS_PARAM )
-{
-    return int64_to_float32(a STATUS_VAR);
-}
-
-float64 uint32_to_float64( unsigned int a STATUS_PARAM )
-{
-    return int64_to_float64(a STATUS_VAR);
-}
-
-unsigned int float32_to_uint32( float32 a STATUS_PARAM )
-{
-    int64_t v;
-    unsigned int res;
-
-    v = float32_to_int64(a STATUS_VAR);
-    if (v < 0) {
-        res = 0;
-        float_raise( float_flag_invalid STATUS_VAR);
-    } else if (v > 0xffffffff) {
-        res = 0xffffffff;
-        float_raise( float_flag_invalid STATUS_VAR);
-    } else {
-        res = v;
-    }
-    return res;
-}
-
-unsigned int float32_to_uint32_round_to_zero( float32 a STATUS_PARAM )
-{
-    int64_t v;
-    unsigned int res;
-
-    v = float32_to_int64_round_to_zero(a STATUS_VAR);
-    if (v < 0) {
-        res = 0;
-        float_raise( float_flag_invalid STATUS_VAR);
-    } else if (v > 0xffffffff) {
-        res = 0xffffffff;
-        float_raise( float_flag_invalid STATUS_VAR);
-    } else {
-        res = v;
-    }
-    return res;
-}
-
-unsigned int float64_to_uint32( float64 a STATUS_PARAM )
-{
-    int64_t v;
-    unsigned int res;
-
-    v = float64_to_int64(a STATUS_VAR);
-    if (v < 0) {
-        res = 0;
-        float_raise( float_flag_invalid STATUS_VAR);
-    } else if (v > 0xffffffff) {
-        res = 0xffffffff;
-        float_raise( float_flag_invalid STATUS_VAR);
-    } else {
-        res = v;
-    }
-    return res;
-}
-
-unsigned int float64_to_uint32_round_to_zero( float64 a STATUS_PARAM )
-{
-    int64_t v;
-    unsigned int res;
-
-    v = float64_to_int64_round_to_zero(a STATUS_VAR);
-    if (v < 0) {
-        res = 0;
-        float_raise( float_flag_invalid STATUS_VAR);
-    } else if (v > 0xffffffff) {
-        res = 0xffffffff;
-        float_raise( float_flag_invalid STATUS_VAR);
-    } else {
-        res = v;
-    }
-    return res;
-}
-
-/* FIXME: This looks broken.  */
-uint64_t float64_to_uint64 (float64 a STATUS_PARAM)
-{
-    int64_t v;
-
-    v = float64_val(int64_to_float64(INT64_MIN STATUS_VAR));
-    v += float64_val(a);
-    v = float64_to_int64(make_float64(v) STATUS_VAR);
-
-    return v - INT64_MIN;
-}
-
-uint64_t float64_to_uint64_round_to_zero (float64 a STATUS_PARAM)
-{
-    int64_t v;
-
-    v = float64_val(int64_to_float64(INT64_MIN STATUS_VAR));
-    v += float64_val(a);
-    v = float64_to_int64_round_to_zero(make_float64(v) STATUS_VAR);
-
-    return v - INT64_MIN;
-}
-
-#define COMPARE(s, nan_exp)                                                  \
-INLINE int float ## s ## _compare_internal( float ## s a, float ## s b,      \
-                                      int is_quiet STATUS_PARAM )            \
-{                                                                            \
-    flag aSign, bSign;                                                       \
-    bits ## s av, bv;                                                        \
-                                                                             \
-    if (( ( extractFloat ## s ## Exp( a ) == nan_exp ) &&                    \
-         extractFloat ## s ## Frac( a ) ) ||                                 \
-        ( ( extractFloat ## s ## Exp( b ) == nan_exp ) &&                    \
-          extractFloat ## s ## Frac( b ) )) {                                \
-        if (!is_quiet ||                                                     \
-            float ## s ## _is_signaling_nan( a ) ||                          \
-            float ## s ## _is_signaling_nan( b ) ) {                         \
-            float_raise( float_flag_invalid STATUS_VAR);                     \
-        }                                                                    \
-        return float_relation_unordered;                                     \
-    }                                                                        \
-    aSign = extractFloat ## s ## Sign( a );                                  \
-    bSign = extractFloat ## s ## Sign( b );                                  \
-    av = float ## s ## _val(a);                                              \
-    bv = float ## s ## _val(b);                                              \
-    if ( aSign != bSign ) {                                                  \
-        if ( (bits ## s) ( ( av | bv )<<1 ) == 0 ) {                         \
-            /* zero case */                                                  \
-            return float_relation_equal;                                     \
-        } else {                                                             \
-            return 1 - (2 * aSign);                                          \
-        }                                                                    \
-    } else {                                                                 \
-        if (av == bv) {                                                      \
-            return float_relation_equal;                                     \
-        } else {                                                             \
-            return 1 - 2 * (aSign ^ ( av < bv ));                            \
-        }                                                                    \
-    }                                                                        \
-}                                                                            \
-                                                                             \
-int float ## s ## _compare( float ## s a, float ## s b STATUS_PARAM )        \
-{                                                                            \
-    return float ## s ## _compare_internal(a, b, 0 STATUS_VAR);              \
-}                                                                            \
-                                                                             \
-int float ## s ## _compare_quiet( float ## s a, float ## s b STATUS_PARAM )  \
-{                                                                            \
-    return float ## s ## _compare_internal(a, b, 1 STATUS_VAR);              \
-}
-
-COMPARE(32, 0xff)
-COMPARE(64, 0x7ff)
-
-INLINE int float128_compare_internal( float128 a, float128 b,
-                                      int is_quiet STATUS_PARAM )
-{
-    flag aSign, bSign;
-
-    if (( ( extractFloat128Exp( a ) == 0x7fff ) &&
-          ( extractFloat128Frac0( a ) | extractFloat128Frac1( a ) ) ) ||
-        ( ( extractFloat128Exp( b ) == 0x7fff ) &&
-          ( extractFloat128Frac0( b ) | extractFloat128Frac1( b ) ) )) {
-        if (!is_quiet ||
-            float128_is_signaling_nan( a ) ||
-            float128_is_signaling_nan( b ) ) {
-            float_raise( float_flag_invalid STATUS_VAR);
-        }
-        return float_relation_unordered;
-    }
-    aSign = extractFloat128Sign( a );
-    bSign = extractFloat128Sign( b );
-    if ( aSign != bSign ) {
-        if ( ( ( ( a.high | b.high )<<1 ) | a.low | b.low ) == 0 ) {
-            /* zero case */
-            return float_relation_equal;
-        } else {
-            return 1 - (2 * aSign);
-        }
-    } else {
-        if (a.low == b.low && a.high == b.high) {
-            return float_relation_equal;
-        } else {
-            return 1 - 2 * (aSign ^ ( lt128( a.high, a.low, b.high, b.low ) ));
-        }
-    }
-}
-
-int float128_compare( float128 a, float128 b STATUS_PARAM )
-{
-    return float128_compare_internal(a, b, 0 STATUS_VAR);
-}
-
-int float128_compare_quiet( float128 a, float128 b STATUS_PARAM )
-{
-    return float128_compare_internal(a, b, 1 STATUS_VAR);
-}
-
-/* Multiply A by 2 raised to the power N.  */
-float32 float32_scalbn( float32 a, int n STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp;
-    bits32 aSig;
-
-    aSig = extractFloat32Frac( a );
-    aExp = extractFloat32Exp( a );
-    aSign = extractFloat32Sign( a );
-
-    if ( aExp == 0xFF ) {
-        return a;
-    }
-    aExp += n;
-    return roundAndPackFloat32( aSign, aExp, aSig STATUS_VAR );
-}
-
-float64 float64_scalbn( float64 a, int n STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp;
-    bits64 aSig;
-
-    aSig = extractFloat64Frac( a );
-    aExp = extractFloat64Exp( a );
-    aSign = extractFloat64Sign( a );
-
-    if ( aExp == 0x7FF ) {
-        return a;
-    }
-    aExp += n;
-    return roundAndPackFloat64( aSign, aExp, aSig STATUS_VAR );
-}
-
-#ifdef FLOATX80
-floatx80 floatx80_scalbn( floatx80 a, int n STATUS_PARAM )
-{
-    flag aSign;
-    int16 aExp;
-    bits64 aSig;
-
-    aSig = extractFloatx80Frac( a );
-    aExp = extractFloatx80Exp( a );
-    aSign = extractFloatx80Sign( a );
-
-    if ( aExp == 0x7FF ) {
-        return a;
-    }
-    aExp += n;
-    return roundAndPackFloatx80( STATUS(floatx80_rounding_precision),
-                                 aSign, aExp, aSig, 0 STATUS_VAR );
-}
-#endif
-
-#ifdef FLOAT128
-float128 float128_scalbn( float128 a, int n STATUS_PARAM )
-{
-    flag aSign;
-    int32 aExp;
-    bits64 aSig0, aSig1;
-
-    aSig1 = extractFloat128Frac1( a );
-    aSig0 = extractFloat128Frac0( a );
-    aExp = extractFloat128Exp( a );
-    aSign = extractFloat128Sign( a );
-    if ( aExp == 0x7FFF ) {
-        return a;
-    }
-    aExp += n;
-    return roundAndPackFloat128( aSign, aExp, aSig0, aSig1, 0 STATUS_VAR );
-
-}
-#endif
diff --git a/fpu/softfloat.h b/fpu/softfloat.h
deleted file mode 100644
index 5f95d06..0000000
--- a/fpu/softfloat.h
+++ /dev/null
@@ -1,444 +0,0 @@
-/*============================================================================
-
-This C header file is part of the SoftFloat IEC/IEEE Floating-point Arithmetic
-Package, Release 2b.
-
-Written by John R. Hauser.  This work was made possible in part by the
-International Computer Science Institute, located at Suite 600, 1947 Center
-Street, Berkeley, California 94704.  Funding was partially provided by the
-National Science Foundation under grant MIP-9311980.  The original version
-of this code was written as part of a project to build a fixed-point vector
-processor in collaboration with the University of California at Berkeley,
-overseen by Profs. Nelson Morgan and John Wawrzynek.  More information
-is available through the Web page `http://www.cs.berkeley.edu/~jhauser/
-arithmetic/SoftFloat.html'.
-
-THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort has
-been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
-RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
-AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ALL LOSSES,
-COSTS, OR OTHER PROBLEMS THEY INCUR DUE TO THE SOFTWARE, AND WHO FURTHERMORE
-EFFECTIVELY INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE
-INSTITUTE (possibly via similar legal warning) AGAINST ALL LOSSES, COSTS, OR
-OTHER PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE.
-
-Derivative works are acceptable, even for commercial purposes, so long as
-(1) the source code for the derivative work includes prominent notice that
-the work is derivative, and (2) the source code includes prominent notice with
-these four paragraphs for those parts of this code that are retained.
-
-=============================================================================*/
-
-#ifndef SOFTFLOAT_H
-#define SOFTFLOAT_H
-
-#if defined(HOST_SOLARIS) && defined(NEEDS_LIBSUNMATH)
-#include <sunmath.h>
-#endif
-
-#include <inttypes.h>
-#include "config.h"
-
-/*----------------------------------------------------------------------------
-| Each of the following `typedef's defines the most convenient type that holds
-| integers of at least as many bits as specified.  For example, `uint8' should
-| be the most convenient type that can hold unsigned integers of as many as
-| 8 bits.  The `flag' type must be able to hold either a 0 or 1.  For most
-| implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
-| to the same as `int'.
-*----------------------------------------------------------------------------*/
-typedef uint8_t flag;
-typedef uint8_t uint8;
-typedef int8_t int8;
-typedef int uint16;
-typedef int int16;
-typedef unsigned int uint32;
-typedef signed int int32;
-typedef uint64_t uint64;
-typedef int64_t int64;
-
-/*----------------------------------------------------------------------------
-| Each of the following `typedef's defines a type that holds integers
-| of _exactly_ the number of bits specified.  For instance, for most
-| implementation of C, `bits16' and `sbits16' should be `typedef'ed to
-| `unsigned short int' and `signed short int' (or `short int'), respectively.
-*----------------------------------------------------------------------------*/
-typedef uint8_t bits8;
-typedef int8_t sbits8;
-typedef uint16_t bits16;
-typedef int16_t sbits16;
-typedef uint32_t bits32;
-typedef int32_t sbits32;
-typedef uint64_t bits64;
-typedef int64_t sbits64;
-
-#define LIT64( a ) a##LL
-#define INLINE static inline
-
-/*----------------------------------------------------------------------------
-| The macro `FLOATX80' must be defined to enable the extended double-precision
-| floating-point format `floatx80'.  If this macro is not defined, the
-| `floatx80' type will not be defined, and none of the functions that either
-| input or output the `floatx80' type will be defined.  The same applies to
-| the `FLOAT128' macro and the quadruple-precision format `float128'.
-*----------------------------------------------------------------------------*/
-#ifdef CONFIG_SOFTFLOAT
-/* bit exact soft float support */
-#define FLOATX80
-#define FLOAT128
-#else
-/* native float support */
-#if (defined(__i386__) || defined(__x86_64__)) && !defined(_BSD)
-#define FLOATX80
-#endif
-#endif /* !CONFIG_SOFTFLOAT */
-
-#define STATUS_PARAM , float_status *status
-#define STATUS(field) status->field
-#define STATUS_VAR , status
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE floating-point ordering relations
-*----------------------------------------------------------------------------*/
-enum {
-    float_relation_less      = -1,
-    float_relation_equal     =  0,
-    float_relation_greater   =  1,
-    float_relation_unordered =  2
-};
-
-#ifdef CONFIG_SOFTFLOAT
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE floating-point types.
-*----------------------------------------------------------------------------*/
-/* Use structures for soft-float types.  This prevents accidentally mixing
-   them with native int/float types.  A sufficiently clever compiler and
-   sane ABI should be able to see though these structs.  However
-   x86/gcc 3.x seems to struggle a bit, so leave them disabled by default.  */
-//#define USE_SOFTFLOAT_STRUCT_TYPES
-#ifdef USE_SOFTFLOAT_STRUCT_TYPES
-typedef struct {
-    uint32_t v;
-} float32;
-/* The cast ensures an error if the wrong type is passed.  */
-#define float32_val(x) (((float32)(x)).v)
-#define make_float32(x) __extension__ ({ float32 f32_val = {x}; f32_val; })
-typedef struct {
-    uint64_t v;
-} float64;
-#define float64_val(x) (((float64)(x)).v)
-#define make_float64(x) __extension__ ({ float64 f64_val = {x}; f64_val; })
-#else
-typedef uint32_t float32;
-typedef uint64_t float64;
-#define float32_val(x) (x)
-#define float64_val(x) (x)
-#define make_float32(x) (x)
-#define make_float64(x) (x)
-#endif
-#ifdef FLOATX80
-typedef struct {
-    uint64_t low;
-    uint16_t high;
-} floatx80;
-#endif
-#ifdef FLOAT128
-typedef struct {
-#ifdef WORDS_BIGENDIAN
-    uint64_t high, low;
-#else
-    uint64_t low, high;
-#endif
-} float128;
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE floating-point underflow tininess-detection mode.
-*----------------------------------------------------------------------------*/
-enum {
-    float_tininess_after_rounding  = 0,
-    float_tininess_before_rounding = 1
-};
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE floating-point rounding mode.
-*----------------------------------------------------------------------------*/
-enum {
-    float_round_nearest_even = 0,
-    float_round_down         = 1,
-    float_round_up           = 2,
-    float_round_to_zero      = 3
-};
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE floating-point exception flags.
-*----------------------------------------------------------------------------*/
-enum {
-    float_flag_invalid   =  1,
-    float_flag_divbyzero =  4,
-    float_flag_overflow  =  8,
-    float_flag_underflow = 16,
-    float_flag_inexact   = 32
-};
-
-typedef struct float_status {
-    signed char float_detect_tininess;
-    signed char float_rounding_mode;
-    signed char float_exception_flags;
-#ifdef FLOATX80
-    signed char floatx80_rounding_precision;
-#endif
-} float_status;
-
-void set_float_rounding_mode(int val STATUS_PARAM);
-void set_float_exception_flags(int val STATUS_PARAM);
-INLINE int get_float_exception_flags(float_status *status)
-{
-    return STATUS(float_exception_flags);
-}
-#ifdef FLOATX80
-void set_floatx80_rounding_precision(int val STATUS_PARAM);
-#endif
-
-/*----------------------------------------------------------------------------
-| Routine to raise any or all of the software IEC/IEEE floating-point
-| exception flags.
-*----------------------------------------------------------------------------*/
-void float_raise( int8 flags STATUS_PARAM);
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE integer-to-floating-point conversion routines.
-*----------------------------------------------------------------------------*/
-float32 int32_to_float32( int STATUS_PARAM );
-float64 int32_to_float64( int STATUS_PARAM );
-float32 uint32_to_float32( unsigned int STATUS_PARAM );
-float64 uint32_to_float64( unsigned int STATUS_PARAM );
-#ifdef FLOATX80
-floatx80 int32_to_floatx80( int STATUS_PARAM );
-#endif
-#ifdef FLOAT128
-float128 int32_to_float128( int STATUS_PARAM );
-#endif
-float32 int64_to_float32( int64_t STATUS_PARAM );
-float32 uint64_to_float32( uint64_t STATUS_PARAM );
-float64 int64_to_float64( int64_t STATUS_PARAM );
-float64 uint64_to_float64( uint64_t STATUS_PARAM );
-#ifdef FLOATX80
-floatx80 int64_to_floatx80( int64_t STATUS_PARAM );
-#endif
-#ifdef FLOAT128
-float128 int64_to_float128( int64_t STATUS_PARAM );
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE single-precision conversion routines.
-*----------------------------------------------------------------------------*/
-int float32_to_int32( float32 STATUS_PARAM );
-int float32_to_int32_round_to_zero( float32 STATUS_PARAM );
-unsigned int float32_to_uint32( float32 STATUS_PARAM );
-unsigned int float32_to_uint32_round_to_zero( float32 STATUS_PARAM );
-int64_t float32_to_int64( float32 STATUS_PARAM );
-int64_t float32_to_int64_round_to_zero( float32 STATUS_PARAM );
-float64 float32_to_float64( float32 STATUS_PARAM );
-#ifdef FLOATX80
-floatx80 float32_to_floatx80( float32 STATUS_PARAM );
-#endif
-#ifdef FLOAT128
-float128 float32_to_float128( float32 STATUS_PARAM );
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE single-precision operations.
-*----------------------------------------------------------------------------*/
-float32 float32_round_to_int( float32 STATUS_PARAM );
-float32 float32_add( float32, float32 STATUS_PARAM );
-float32 float32_sub( float32, float32 STATUS_PARAM );
-float32 float32_mul( float32, float32 STATUS_PARAM );
-float32 float32_div( float32, float32 STATUS_PARAM );
-float32 float32_rem( float32, float32 STATUS_PARAM );
-float32 float32_sqrt( float32 STATUS_PARAM );
-int float32_eq( float32, float32 STATUS_PARAM );
-int float32_le( float32, float32 STATUS_PARAM );
-int float32_lt( float32, float32 STATUS_PARAM );
-int float32_eq_signaling( float32, float32 STATUS_PARAM );
-int float32_le_quiet( float32, float32 STATUS_PARAM );
-int float32_lt_quiet( float32, float32 STATUS_PARAM );
-int float32_compare( float32, float32 STATUS_PARAM );
-int float32_compare_quiet( float32, float32 STATUS_PARAM );
-int float32_is_nan( float32 );
-int float32_is_signaling_nan( float32 );
-float32 float32_scalbn( float32, int STATUS_PARAM );
-
-INLINE float32 float32_abs(float32 a)
-{
-    return make_float32(float32_val(a) & 0x7fffffff);
-}
-
-INLINE float32 float32_chs(float32 a)
-{
-    return make_float32(float32_val(a) ^ 0x80000000);
-}
-
-#define float32_zero make_float32(0)
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE double-precision conversion routines.
-*----------------------------------------------------------------------------*/
-int float64_to_int32( float64 STATUS_PARAM );
-int float64_to_int32_round_to_zero( float64 STATUS_PARAM );
-unsigned int float64_to_uint32( float64 STATUS_PARAM );
-unsigned int float64_to_uint32_round_to_zero( float64 STATUS_PARAM );
-int64_t float64_to_int64( float64 STATUS_PARAM );
-int64_t float64_to_int64_round_to_zero( float64 STATUS_PARAM );
-uint64_t float64_to_uint64 (float64 a STATUS_PARAM);
-uint64_t float64_to_uint64_round_to_zero (float64 a STATUS_PARAM);
-float32 float64_to_float32( float64 STATUS_PARAM );
-#ifdef FLOATX80
-floatx80 float64_to_floatx80( float64 STATUS_PARAM );
-#endif
-#ifdef FLOAT128
-float128 float64_to_float128( float64 STATUS_PARAM );
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE double-precision operations.
-*----------------------------------------------------------------------------*/
-float64 float64_round_to_int( float64 STATUS_PARAM );
-float64 float64_trunc_to_int( float64 STATUS_PARAM );
-float64 float64_add( float64, float64 STATUS_PARAM );
-float64 float64_sub( float64, float64 STATUS_PARAM );
-float64 float64_mul( float64, float64 STATUS_PARAM );
-float64 float64_div( float64, float64 STATUS_PARAM );
-float64 float64_rem( float64, float64 STATUS_PARAM );
-float64 float64_sqrt( float64 STATUS_PARAM );
-int float64_eq( float64, float64 STATUS_PARAM );
-int float64_le( float64, float64 STATUS_PARAM );
-int float64_lt( float64, float64 STATUS_PARAM );
-int float64_eq_signaling( float64, float64 STATUS_PARAM );
-int float64_le_quiet( float64, float64 STATUS_PARAM );
-int float64_lt_quiet( float64, float64 STATUS_PARAM );
-int float64_compare( float64, float64 STATUS_PARAM );
-int float64_compare_quiet( float64, float64 STATUS_PARAM );
-int float64_is_nan( float64 a );
-int float64_is_signaling_nan( float64 );
-float64 float64_scalbn( float64, int STATUS_PARAM );
-
-INLINE float64 float64_abs(float64 a)
-{
-    return make_float64(float64_val(a) & 0x7fffffffffffffffLL);
-}
-
-INLINE float64 float64_chs(float64 a)
-{
-    return make_float64(float64_val(a) ^ 0x8000000000000000LL);
-}
-
-#define float64_zero make_float64(0)
-
-#ifdef FLOATX80
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE extended double-precision conversion routines.
-*----------------------------------------------------------------------------*/
-int floatx80_to_int32( floatx80 STATUS_PARAM );
-int floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM );
-int64_t floatx80_to_int64( floatx80 STATUS_PARAM );
-int64_t floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM );
-float32 floatx80_to_float32( floatx80 STATUS_PARAM );
-float64 floatx80_to_float64( floatx80 STATUS_PARAM );
-#ifdef FLOAT128
-float128 floatx80_to_float128( floatx80 STATUS_PARAM );
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE extended double-precision operations.
-*----------------------------------------------------------------------------*/
-floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM );
-floatx80 floatx80_add( floatx80, floatx80 STATUS_PARAM );
-floatx80 floatx80_sub( floatx80, floatx80 STATUS_PARAM );
-floatx80 floatx80_mul( floatx80, floatx80 STATUS_PARAM );
-floatx80 floatx80_div( floatx80, floatx80 STATUS_PARAM );
-floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM );
-floatx80 floatx80_sqrt( floatx80 STATUS_PARAM );
-int floatx80_eq( floatx80, floatx80 STATUS_PARAM );
-int floatx80_le( floatx80, floatx80 STATUS_PARAM );
-int floatx80_lt( floatx80, floatx80 STATUS_PARAM );
-int floatx80_eq_signaling( floatx80, floatx80 STATUS_PARAM );
-int floatx80_le_quiet( floatx80, floatx80 STATUS_PARAM );
-int floatx80_lt_quiet( floatx80, floatx80 STATUS_PARAM );
-int floatx80_is_nan( floatx80 );
-int floatx80_is_signaling_nan( floatx80 );
-floatx80 floatx80_scalbn( floatx80, int STATUS_PARAM );
-
-INLINE floatx80 floatx80_abs(floatx80 a)
-{
-    a.high &= 0x7fff;
-    return a;
-}
-
-INLINE floatx80 floatx80_chs(floatx80 a)
-{
-    a.high ^= 0x8000;
-    return a;
-}
-
-#endif
-
-#ifdef FLOAT128
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE quadruple-precision conversion routines.
-*----------------------------------------------------------------------------*/
-int float128_to_int32( float128 STATUS_PARAM );
-int float128_to_int32_round_to_zero( float128 STATUS_PARAM );
-int64_t float128_to_int64( float128 STATUS_PARAM );
-int64_t float128_to_int64_round_to_zero( float128 STATUS_PARAM );
-float32 float128_to_float32( float128 STATUS_PARAM );
-float64 float128_to_float64( float128 STATUS_PARAM );
-#ifdef FLOATX80
-floatx80 float128_to_floatx80( float128 STATUS_PARAM );
-#endif
-
-/*----------------------------------------------------------------------------
-| Software IEC/IEEE quadruple-precision operations.
-*----------------------------------------------------------------------------*/
-float128 float128_round_to_int( float128 STATUS_PARAM );
-float128 float128_add( float128, float128 STATUS_PARAM );
-float128 float128_sub( float128, float128 STATUS_PARAM );
-float128 float128_mul( float128, float128 STATUS_PARAM );
-float128 float128_div( float128, float128 STATUS_PARAM );
-float128 float128_rem( float128, float128 STATUS_PARAM );
-float128 float128_sqrt( float128 STATUS_PARAM );
-int float128_eq( float128, float128 STATUS_PARAM );
-int float128_le( float128, float128 STATUS_PARAM );
-int float128_lt( float128, float128 STATUS_PARAM );
-int float128_eq_signaling( float128, float128 STATUS_PARAM );
-int float128_le_quiet( float128, float128 STATUS_PARAM );
-int float128_lt_quiet( float128, float128 STATUS_PARAM );
-int float128_compare( float128, float128 STATUS_PARAM );
-int float128_compare_quiet( float128, float128 STATUS_PARAM );
-int float128_is_nan( float128 );
-int float128_is_signaling_nan( float128 );
-float128 float128_scalbn( float128, int STATUS_PARAM );
-
-INLINE float128 float128_abs(float128 a)
-{
-    a.high &= 0x7fffffffffffffffLL;
-    return a;
-}
-
-INLINE float128 float128_chs(float128 a)
-{
-    a.high ^= 0x8000000000000000LL;
-    return a;
-}
-
-#endif
-
-#else /* CONFIG_SOFTFLOAT */
-
-#include "softfloat-native.h"
-
-#endif /* !CONFIG_SOFTFLOAT */
-
-#endif /* !SOFTFLOAT_H */