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authorThe Android Open Source Project <initial-contribution@android.com>2009-02-10 15:43:59 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-02-10 15:43:59 -0800
commitc27f813900a3c114562efbb8df1065e94766fc48 (patch)
treed95919283707dcab61009e27007374a745c9541e /fpu/softfloat-native.c
parent0852ad57fa372f9b2854e4df685eaba8d8ef6790 (diff)
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auto import from //branches/cupcake/...@130745
Diffstat (limited to 'fpu/softfloat-native.c')
-rw-r--r--fpu/softfloat-native.c159
1 files changed, 148 insertions, 11 deletions
diff --git a/fpu/softfloat-native.c b/fpu/softfloat-native.c
index bbdb3d6..e58551f 100644
--- a/fpu/softfloat-native.c
+++ b/fpu/softfloat-native.c
@@ -30,6 +30,25 @@ void set_floatx80_rounding_precision(int val STATUS_PARAM)
#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__)
@@ -40,7 +59,7 @@ double qemu_rint(double x)
double y = 4503599627370496.0;
if (fabs(x) >= y)
return x;
- if (x < 0)
+ if (x < 0)
y = -y;
y = (x + y) - y;
if (y == 0.0)
@@ -59,11 +78,21 @@ 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)
{
@@ -74,10 +103,18 @@ 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)
{
@@ -94,7 +131,7 @@ static inline int long_to_int32(long a)
#else
static inline int long_to_int32(long a)
{
- if (a != (int32_t)a)
+ if (a != (int32_t)a)
a = 0x80000000;
return a;
}
@@ -132,6 +169,37 @@ floatx80 float32_to_floatx80( float32 a STATUS_PARAM)
}
#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.
*----------------------------------------------------------------------------*/
@@ -149,7 +217,7 @@ float32 float32_sqrt( float32 a STATUS_PARAM)
{
return sqrtf(a);
}
-char float32_compare( float32 a, float32 b STATUS_PARAM )
+int float32_compare( float32 a, float32 b STATUS_PARAM )
{
if (a < b) {
return -1;
@@ -161,7 +229,7 @@ char float32_compare( float32 a, float32 b STATUS_PARAM )
return 2;
}
}
-char float32_compare_quiet( float32 a, float32 b STATUS_PARAM )
+int float32_compare_quiet( float32 a, float32 b STATUS_PARAM )
{
if (isless(a, b)) {
return -1;
@@ -173,7 +241,7 @@ char float32_compare_quiet( float32 a, float32 b STATUS_PARAM )
return 2;
}
}
-char float32_is_signaling_nan( float32 a1)
+int float32_is_signaling_nan( float32 a1)
{
float32u u;
uint32_t a;
@@ -218,9 +286,67 @@ float128 float64_to_float128( float64 a STATUS_PARAM)
}
#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__)
@@ -253,7 +379,7 @@ float64 float64_sqrt( float64 a STATUS_PARAM)
{
return sqrt(a);
}
-char float64_compare( float64 a, float64 b STATUS_PARAM )
+int float64_compare( float64 a, float64 b STATUS_PARAM )
{
if (a < b) {
return -1;
@@ -265,7 +391,7 @@ char float64_compare( float64 a, float64 b STATUS_PARAM )
return 2;
}
}
-char float64_compare_quiet( float64 a, float64 b STATUS_PARAM )
+int float64_compare_quiet( float64 a, float64 b STATUS_PARAM )
{
if (isless(a, b)) {
return -1;
@@ -277,7 +403,7 @@ char float64_compare_quiet( float64 a, float64 b STATUS_PARAM )
return 2;
}
}
-char float64_is_signaling_nan( float64 a1)
+int float64_is_signaling_nan( float64 a1)
{
float64u u;
uint64_t a;
@@ -289,6 +415,17 @@ char float64_is_signaling_nan( float64 a1)
}
+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
/*----------------------------------------------------------------------------
@@ -334,7 +471,7 @@ floatx80 floatx80_sqrt( floatx80 a STATUS_PARAM)
{
return sqrtl(a);
}
-char floatx80_compare( floatx80 a, floatx80 b STATUS_PARAM )
+int floatx80_compare( floatx80 a, floatx80 b STATUS_PARAM )
{
if (a < b) {
return -1;
@@ -346,7 +483,7 @@ char floatx80_compare( floatx80 a, floatx80 b STATUS_PARAM )
return 2;
}
}
-char floatx80_compare_quiet( floatx80 a, floatx80 b STATUS_PARAM )
+int floatx80_compare_quiet( floatx80 a, floatx80 b STATUS_PARAM )
{
if (isless(a, b)) {
return -1;
@@ -358,7 +495,7 @@ char floatx80_compare_quiet( floatx80 a, floatx80 b STATUS_PARAM )
return 2;
}
}
-char floatx80_is_signaling_nan( floatx80 a1)
+int floatx80_is_signaling_nan( floatx80 a1)
{
floatx80u u;
u.f = a1;