diff options
Diffstat (limited to 'fpu')
| -rw-r--r-- | fpu/softfloat.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 6c8f2d597a..5e9746c287 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -3362,7 +3362,9 @@ static int32_t roundAndPackInt32(bool zSign, uint64_t absZ, } roundBits = absZ & 0x7F; absZ = ( absZ + roundIncrement )>>7; - absZ &= ~ ( ( ( roundBits ^ 0x40 ) == 0 ) & roundNearestEven ); + if (!(roundBits ^ 0x40) && roundNearestEven) { + absZ &= ~1; + } z = absZ; if ( zSign ) z = - z; if ( ( absZ>>32 ) || ( z && ( ( z < 0 ) ^ zSign ) ) ) { @@ -3420,7 +3422,9 @@ static int64_t roundAndPackInt64(bool zSign, uint64_t absZ0, uint64_t absZ1, if ( increment ) { ++absZ0; if ( absZ0 == 0 ) goto overflow; - absZ0 &= ~ ( ( (uint64_t) ( absZ1<<1 ) == 0 ) & roundNearestEven ); + if (!(absZ1 << 1) && roundNearestEven) { + absZ0 &= ~1; + } } z = absZ0; if ( zSign ) z = - z; @@ -3480,7 +3484,9 @@ static int64_t roundAndPackUint64(bool zSign, uint64_t absZ0, float_raise(float_flag_invalid, status); return UINT64_MAX; } - absZ0 &= ~(((uint64_t)(absZ1<<1) == 0) & roundNearestEven); + if (!(absZ1 << 1) && roundNearestEven) { + absZ0 &= ~1; + } } if (zSign && absZ0) { @@ -3603,7 +3609,9 @@ static float32 roundAndPackFloat32(bool zSign, int zExp, uint32_t zSig, status->float_exception_flags |= float_flag_inexact; } zSig = ( zSig + roundIncrement )>>7; - zSig &= ~ ( ( ( roundBits ^ 0x40 ) == 0 ) & roundNearestEven ); + if (!(roundBits ^ 0x40) && roundNearestEven) { + zSig &= ~1; + } if ( zSig == 0 ) zExp = 0; return packFloat32( zSign, zExp, zSig ); @@ -3757,7 +3765,9 @@ static float64 roundAndPackFloat64(bool zSign, int zExp, uint64_t zSig, status->float_exception_flags |= float_flag_inexact; } zSig = ( zSig + roundIncrement )>>10; - zSig &= ~ ( ( ( roundBits ^ 0x200 ) == 0 ) & roundNearestEven ); + if (!(roundBits ^ 0x200) && roundNearestEven) { + zSig &= ~1; + } if ( zSig == 0 ) zExp = 0; return packFloat64( zSign, zExp, zSig ); @@ -3983,8 +3993,9 @@ floatx80 roundAndPackFloatx80(int8_t roundingPrecision, bool zSign, } if ( increment ) { ++zSig0; - zSig0 &= - ~ ( ( (uint64_t) ( zSig1<<1 ) == 0 ) & roundNearestEven ); + if (!(zSig1 << 1) && roundNearestEven) { + zSig0 &= ~1; + } if ( (int64_t) zSig0 < 0 ) zExp = 1; } return packFloatx80( zSign, zExp, zSig0 ); @@ -4000,7 +4011,9 @@ floatx80 roundAndPackFloatx80(int8_t roundingPrecision, bool zSign, zSig0 = UINT64_C(0x8000000000000000); } else { - zSig0 &= ~ ( ( (uint64_t) ( zSig1<<1 ) == 0 ) & roundNearestEven ); + if (!(zSig1 << 1) && roundNearestEven) { + zSig0 &= ~1; + } } } else { @@ -4270,7 +4283,9 @@ static float128 roundAndPackFloat128(bool zSign, int32_t zExp, } if ( increment ) { add128( zSig0, zSig1, 0, 1, &zSig0, &zSig1 ); - zSig1 &= ~ ( ( zSig2 + zSig2 == 0 ) & roundNearestEven ); + if ((zSig2 + zSig2 == 0) && roundNearestEven) { + zSig1 &= ~1; + } } else { if ( ( zSig0 | zSig1 ) == 0 ) zExp = 0; |