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author | The Android Open Source Project <initial-contribution@android.com> | 2009-02-10 15:43:59 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-02-10 15:43:59 -0800 |
commit | c27f813900a3c114562efbb8df1065e94766fc48 (patch) | |
tree | d95919283707dcab61009e27007374a745c9541e /fpu/softfloat-native.c | |
parent | 0852ad57fa372f9b2854e4df685eaba8d8ef6790 (diff) | |
download | external_qemu-c27f813900a3c114562efbb8df1065e94766fc48.zip external_qemu-c27f813900a3c114562efbb8df1065e94766fc48.tar.gz external_qemu-c27f813900a3c114562efbb8df1065e94766fc48.tar.bz2 |
auto import from //branches/cupcake/...@130745
Diffstat (limited to 'fpu/softfloat-native.c')
-rw-r--r-- | fpu/softfloat-native.c | 159 |
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; |