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| author | Aurelien Jarno <aurelien@aurel32.net> | 2011-05-15 14:09:18 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2011-06-03 16:07:53 +0200 |
| commit | 587eabfafc9dbf80c381bd0d98c000a94f8af60d (patch) | |
| tree | f022909303d61b5f2895a990924872cbfce6afb5 | |
| parent | 66fcf8ffcfb538dda612bfa57d28d502e83ff795 (diff) | |
| download | qemu-587eabfafc9dbf80c381bd0d98c000a94f8af60d.tar.gz qemu-587eabfafc9dbf80c381bd0d98c000a94f8af60d.tar.bz2 qemu-587eabfafc9dbf80c381bd0d98c000a94f8af60d.zip | |
softfloat: add float*_is_zero_or_denormal()
float*_is_zero_or_denormal() is available for float32, but not for
float64, floatx80 and float128. Fix that.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
| -rw-r--r-- | fpu/softfloat.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fpu/softfloat.h b/fpu/softfloat.h index 8931446fd1..bde250087b 100644 --- a/fpu/softfloat.h +++ b/fpu/softfloat.h @@ -449,6 +449,11 @@ INLINE int float64_is_any_nan(float64 a) return ((float64_val(a) & ~(1ULL << 63)) > 0x7ff0000000000000ULL); } +INLINE int float64_is_zero_or_denormal(float64 a) +{ + return (float64_val(a) & 0x7ff0000000000000LL) == 0; +} + INLINE float64 float64_set_sign(float64 a, int sign) { return make_float64((float64_val(a) & 0x7fffffffffffffffULL) @@ -538,6 +543,11 @@ INLINE int floatx80_is_zero(floatx80 a) return (a.high & 0x7fff) == 0 && a.low == 0; } +INLINE int floatx80_is_zero_or_denormal(floatx80 a) +{ + return (a.high & 0x7fff) == 0; +} + INLINE int floatx80_is_any_nan(floatx80 a) { return ((a.high & 0x7fff) == 0x7fff) && (a.low<<1); @@ -626,6 +636,11 @@ INLINE int float128_is_zero(float128 a) return (a.high & 0x7fffffffffffffffLL) == 0 && a.low == 0; } +INLINE int float128_is_zero_or_denormal(float128 a) +{ + return (a.high & 0x7fff000000000000LL) == 0; +} + INLINE int float128_is_any_nan(float128 a) { return ((a.high >> 48) & 0x7fff) == 0x7fff && |