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| author | David 'Digit' Turner <digit@android.com> | 2011-05-10 12:59:13 +0200 |
|---|---|---|
| committer | David 'Digit' Turner <digit@android.com> | 2011-06-01 17:08:17 +0200 |
| commit | bfec547677ddf2164ffd49a34c3ace2a41c938ad (patch) | |
| tree | bffda26f99126ed94f1fa689a7d9142583170d3c /fpu/softfloat-native.c | |
| parent | 9bfb3d508627076720224208c299c05c25e63792 (diff) | |
| download | external_qemu-bfec547677ddf2164ffd49a34c3ace2a41c938ad.zip external_qemu-bfec547677ddf2164ffd49a34c3ace2a41c938ad.tar.gz external_qemu-bfec547677ddf2164ffd49a34c3ace2a41c938ad.tar.bz2 | |
fpu: upstream integrate
Change-Id: Ifadcfe209b1d0891a6a81a60bcc1f0ab76dedc11
Diffstat (limited to 'fpu/softfloat-native.c')
| -rw-r--r-- | fpu/softfloat-native.c | 38 |
1 files changed, 32 insertions, 6 deletions
diff --git a/fpu/softfloat-native.c b/fpu/softfloat-native.c index 049c830..8848651 100644 --- a/fpu/softfloat-native.c +++ b/fpu/softfloat-native.c @@ -254,7 +254,7 @@ int float32_is_signaling_nan( float32 a1) return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF ); } -int float32_is_nan( float32 a1 ) +int float32_is_quiet_nan( float32 a1 ) { float32u u; uint64_t a; @@ -263,6 +263,15 @@ int float32_is_nan( float32 a1 ) return ( 0xFF800000 < ( a<<1 ) ); } +int float32_is_any_nan( float32 a1 ) +{ + float32u u; + uint32_t a; + u.f = a1; + a = u.i; + return (a & ~(1 << 31)) > 0x7f800000U; +} + /*---------------------------------------------------------------------------- | Software IEC/IEEE double-precision conversion routines. *----------------------------------------------------------------------------*/ @@ -411,15 +420,25 @@ int float64_is_signaling_nan( float64 a1) } -int float64_is_nan( float64 a1 ) +int float64_is_quiet_nan( float64 a1 ) { float64u u; uint64_t a; u.f = a1; a = u.i; - return ( LIT64( 0xFFF0000000000000 ) < (bits64) ( a<<1 ) ); + return ( LIT64( 0xFFF0000000000000 ) < (uint64_t) ( a<<1 ) ); + +} + +int float64_is_any_nan( float64 a1 ) +{ + float64u u; + uint64_t a; + u.f = a1; + a = u.i; + return (a & ~(1ULL << 63)) > LIT64 (0x7FF0000000000000 ); } #ifdef FLOATX80 @@ -500,15 +519,22 @@ int floatx80_is_signaling_nan( floatx80 a1) aLow = u.i.low & ~ LIT64( 0x4000000000000000 ); return ( ( u.i.high & 0x7FFF ) == 0x7FFF ) - && (bits64) ( aLow<<1 ) + && (uint64_t) ( aLow<<1 ) && ( u.i.low == aLow ); } -int floatx80_is_nan( floatx80 a1 ) +int floatx80_is_quiet_nan( floatx80 a1 ) +{ + floatx80u u; + u.f = a1; + return ( ( u.i.high & 0x7FFF ) == 0x7FFF ) && (uint64_t) ( u.i.low<<1 ); +} + +int floatx80_is_any_nan( floatx80 a1 ) { floatx80u u; u.f = a1; - return ( ( u.i.high & 0x7FFF ) == 0x7FFF ) && (bits64) ( u.i.low<<1 ); + return ((u.i.high & 0x7FFF) == 0x7FFF) && ( u.i.low<<1 ); } #endif |