diff options
Diffstat (limited to 'fpu/softfloat.c')
| -rw-r--r-- | fpu/softfloat.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/fpu/softfloat.c b/fpu/softfloat.c index fb4853682e..e124df9f7e 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -2636,7 +2636,9 @@ floatx80 roundAndPackFloatx80(int8_t roundingPrecision, flag zSign, ) { return packFloatx80( zSign, 0x7FFE, ~ roundMask ); } - return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) ); + return packFloatx80(zSign, + floatx80_infinity_high, + floatx80_infinity_low); } if ( zExp <= 0 ) { isTiny = @@ -3182,7 +3184,9 @@ floatx80 float32_to_floatx80(float32 a, float_status *status) if (aSig) { return commonNaNToFloatx80(float32ToCommonNaN(a, status), status); } - return packFloatx80( aSign, 0x7FFF, LIT64( 0x8000000000000000 ) ); + return packFloatx80(aSign, + floatx80_infinity_high, + floatx80_infinity_low); } if ( aExp == 0 ) { if ( aSig == 0 ) return packFloatx80( aSign, 0, 0 ); @@ -4037,7 +4041,9 @@ floatx80 float64_to_floatx80(float64 a, float_status *status) if (aSig) { return commonNaNToFloatx80(float64ToCommonNaN(a, status), status); } - return packFloatx80( aSign, 0x7FFF, LIT64( 0x8000000000000000 ) ); + return packFloatx80(aSign, + floatx80_infinity_high, + floatx80_infinity_low); } if ( aExp == 0 ) { if ( aSig == 0 ) return packFloatx80( aSign, 0, 0 ); @@ -4549,10 +4555,7 @@ int64_t floatx80_to_int64(floatx80 a, float_status *status) if ( shiftCount <= 0 ) { if ( shiftCount ) { float_raise(float_flag_invalid, status); - if ( ! aSign - || ( ( aExp == 0x7FFF ) - && ( aSig != LIT64( 0x8000000000000000 ) ) ) - ) { + if (!aSign || floatx80_is_any_nan(a)) { return LIT64( 0x7FFFFFFFFFFFFFFF ); } return (int64_t) LIT64( 0x8000000000000000 ); @@ -4858,7 +4861,9 @@ static floatx80 addFloatx80Sigs(floatx80 a, floatx80 b, flag zSign, if ((uint64_t)(bSig << 1)) { return propagateFloatx80NaN(a, b, status); } - return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) ); + return packFloatx80(zSign, + floatx80_infinity_high, + floatx80_infinity_low); } if ( aExp == 0 ) ++expDiff; shift64ExtraRightJamming( aSig, 0, - expDiff, &aSig, &zSig1 ); @@ -4933,7 +4938,8 @@ static floatx80 subFloatx80Sigs(floatx80 a, floatx80 b, flag zSign, if ((uint64_t)(bSig << 1)) { return propagateFloatx80NaN(a, b, status); } - return packFloatx80( zSign ^ 1, 0x7FFF, LIT64( 0x8000000000000000 ) ); + return packFloatx80(zSign ^ 1, floatx80_infinity_high, + floatx80_infinity_low); } if ( aExp == 0 ) ++expDiff; shift128RightJamming( aSig, 0, - expDiff, &aSig, &zSig1 ); @@ -5038,7 +5044,8 @@ floatx80 floatx80_mul(floatx80 a, floatx80 b, float_status *status) return propagateFloatx80NaN(a, b, status); } if ( ( bExp | bSig ) == 0 ) goto invalid; - return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) ); + return packFloatx80(zSign, floatx80_infinity_high, + floatx80_infinity_low); } if ( bExp == 0x7FFF ) { if ((uint64_t)(bSig << 1)) { @@ -5049,7 +5056,8 @@ floatx80 floatx80_mul(floatx80 a, floatx80 b, float_status *status) float_raise(float_flag_invalid, status); return floatx80_default_nan(status); } - return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) ); + return packFloatx80(zSign, floatx80_infinity_high, + floatx80_infinity_low); } if ( aExp == 0 ) { if ( aSig == 0 ) return packFloatx80( zSign, 0, 0 ); @@ -5103,7 +5111,8 @@ floatx80 floatx80_div(floatx80 a, floatx80 b, float_status *status) } goto invalid; } - return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) ); + return packFloatx80(zSign, floatx80_infinity_high, + floatx80_infinity_low); } if ( bExp == 0x7FFF ) { if ((uint64_t)(bSig << 1)) { @@ -5119,7 +5128,8 @@ floatx80 floatx80_div(floatx80 a, floatx80 b, float_status *status) return floatx80_default_nan(status); } float_raise(float_flag_divbyzero, status); - return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) ); + return packFloatx80(zSign, floatx80_infinity_high, + floatx80_infinity_low); } normalizeFloatx80Subnormal( bSig, &bExp, &bSig ); } @@ -5942,7 +5952,8 @@ floatx80 float128_to_floatx80(float128 a, float_status *status) if ( aSig0 | aSig1 ) { return commonNaNToFloatx80(float128ToCommonNaN(a, status), status); } - return packFloatx80( aSign, 0x7FFF, LIT64( 0x8000000000000000 ) ); + return packFloatx80(aSign, floatx80_infinity_high, + floatx80_infinity_low); } if ( aExp == 0 ) { if ( ( aSig0 | aSig1 ) == 0 ) return packFloatx80( aSign, 0, 0 ); |