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| author | Aurelien Jarno <aurelien@aurel32.net> | 2011-04-20 13:04:23 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2011-04-25 11:18:33 +0200 |
| commit | 4cc5383f807a7d70942de51326a8dddad7331fa5 (patch) | |
| tree | dc206afa411e4807b0f6ba14be6496c93571121e /fpu/softfloat-native.c | |
| parent | d6882cf01fd9e3e1c9dee38ff7dae0d8d377c8f7 (diff) | |
| download | qemu-4cc5383f807a7d70942de51326a8dddad7331fa5.tar.gz qemu-4cc5383f807a7d70942de51326a8dddad7331fa5.tar.bz2 qemu-4cc5383f807a7d70942de51326a8dddad7331fa5.zip | |
softfloat-native: add float*_is_any_nan() functions
Add float*_is_any_nan() functions to match the softfloat API.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'fpu/softfloat-native.c')
| -rw-r--r-- | fpu/softfloat-native.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/fpu/softfloat-native.c b/fpu/softfloat-native.c index 50355a4c3f..88486511ee 100644 --- a/fpu/softfloat-native.c +++ b/fpu/softfloat-native.c @@ -263,6 +263,15 @@ int float32_is_quiet_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. *----------------------------------------------------------------------------*/ @@ -422,6 +431,16 @@ int float64_is_quiet_nan( float64 a1 ) } +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 /*---------------------------------------------------------------------------- @@ -511,4 +530,11 @@ int floatx80_is_quiet_nan( floatx80 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) && ( u.i.low<<1 ); +} + #endif |