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| author | Michael S. Tsirkin <mst@redhat.com> | 2011-05-05 16:39:47 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2011-05-05 16:39:47 +0300 |
| commit | 5300f1a5487f67f0bde8ee1081b799108668cb1d (patch) | |
| tree | 5274ff496f2665487736a4eec23bf76601e4da44 /fpu/softfloat-specialize.h | |
| parent | 8d4c78e7c8adf0a4440a8de92738b3820fc8215a (diff) | |
| parent | d2d979c628e4b2c4a3cb71a31841875795c79043 (diff) | |
Merge remote branch 'origin/master' into pci
Conflicts:
exec.c
Diffstat (limited to 'fpu/softfloat-specialize.h')
| -rw-r--r-- | fpu/softfloat-specialize.h | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h index 4b65de64a8..9d68aae9d5 100644 --- a/fpu/softfloat-specialize.h +++ b/fpu/softfloat-specialize.h @@ -93,7 +93,7 @@ float16 float16_maybe_silence_nan(float16 a_) { if (float16_is_signaling_nan(a_)) { #if SNAN_BIT_IS_ONE -# if defined(TARGET_MIPS) || defined(TARGET_SH4) +# if defined(TARGET_MIPS) || defined(TARGET_SH4) || defined(TARGET_UNICORE32) return float16_default_nan; # else # error Rules for silencing a signaling NaN are target-specific @@ -184,7 +184,7 @@ float32 float32_maybe_silence_nan( float32 a_ ) { if (float32_is_signaling_nan(a_)) { #if SNAN_BIT_IS_ONE -# if defined(TARGET_MIPS) || defined(TARGET_SH4) +# if defined(TARGET_MIPS) || defined(TARGET_SH4) || defined(TARGET_UNICORE32) return float32_default_nan; # else # error Rules for silencing a signaling NaN are target-specific @@ -430,7 +430,7 @@ float64 float64_maybe_silence_nan( float64 a_ ) { if (float64_is_signaling_nan(a_)) { #if SNAN_BIT_IS_ONE -# if defined(TARGET_MIPS) || defined(TARGET_SH4) +# if defined(TARGET_MIPS) || defined(TARGET_SH4) || defined(TARGET_UNICORE32) return float64_default_nan; # else # error Rules for silencing a signaling NaN are target-specific @@ -578,7 +578,7 @@ floatx80 floatx80_maybe_silence_nan( floatx80 a ) { if (floatx80_is_signaling_nan(a)) { #if SNAN_BIT_IS_ONE -# if defined(TARGET_MIPS) || defined(TARGET_SH4) +# if defined(TARGET_MIPS) || defined(TARGET_SH4) || defined(TARGET_UNICORE32) a.low = floatx80_default_nan_low; a.high = floatx80_default_nan_high; # else @@ -603,9 +603,15 @@ static commonNaNT floatx80ToCommonNaN( floatx80 a STATUS_PARAM) commonNaNT z; if ( floatx80_is_signaling_nan( a ) ) float_raise( float_flag_invalid STATUS_VAR); - z.sign = a.high>>15; - z.low = 0; - z.high = a.low; + if ( a.low >> 63 ) { + z.sign = a.high >> 15; + z.low = 0; + z.high = a.low << 1; + } else { + z.sign = floatx80_default_nan_high >> 15; + z.low = 0; + z.high = floatx80_default_nan_low << 1; + } return z; } @@ -624,11 +630,14 @@ static floatx80 commonNaNToFloatx80( commonNaNT a STATUS_PARAM) return z; } - if (a.high) - z.low = a.high; - else + if (a.high >> 1) { + z.low = LIT64( 0x8000000000000000 ) | a.high >> 1; + z.high = ( ( (uint16_t) a.sign )<<15 ) | 0x7FFF; + } else { z.low = floatx80_default_nan_low; - z.high = ( ( (uint16_t) a.sign )<<15 ) | 0x7FFF; + z.high = floatx80_default_nan_high; + } + return z; } @@ -721,7 +730,7 @@ float128 float128_maybe_silence_nan( float128 a ) { if (float128_is_signaling_nan(a)) { #if SNAN_BIT_IS_ONE -# if defined(TARGET_MIPS) || defined(TARGET_SH4) +# if defined(TARGET_MIPS) || defined(TARGET_SH4) || defined(TARGET_UNICORE32) a.low = float128_default_nan_low; a.high = float128_default_nan_high; # else |