Lines Matching refs:zSig
274 INLINE float32 packFloat32( flag zSign, int16 zExp, bits32 zSig ) in packFloat32() argument
277 return ( ( (bits32) zSign )<<31 ) + ( ( (bits32) zExp )<<23 ) + zSig; in packFloat32()
304 static float32 roundAndPackFloat32( flag zSign, int16 zExp, bits32 zSig ) in roundAndPackFloat32() argument
328 roundBits = zSig & 0x7F; in roundAndPackFloat32()
332 && ( (sbits32) ( zSig + roundIncrement ) < 0 ) ) in roundAndPackFloat32()
341 || ( zSig + roundIncrement < 0x80000000 ); in roundAndPackFloat32()
342 shift32RightJamming( zSig, - zExp, &zSig ); in roundAndPackFloat32()
344 roundBits = zSig & 0x7F; in roundAndPackFloat32()
349 zSig = ( zSig + roundIncrement )>>7; in roundAndPackFloat32()
350 zSig &= ~ ( ( ( roundBits ^ 0x40 ) == 0 ) & roundNearestEven ); in roundAndPackFloat32()
351 if ( zSig == 0 ) zExp = 0; in roundAndPackFloat32()
352 return packFloat32( zSign, zExp, zSig ); in roundAndPackFloat32()
367 normalizeRoundAndPackFloat32( flag zSign, int16 zExp, bits32 zSig ) in normalizeRoundAndPackFloat32() argument
371 shiftCount = countLeadingZeros32( zSig ) - 1; in normalizeRoundAndPackFloat32()
372 return roundAndPackFloat32( zSign, zExp - shiftCount, zSig<<shiftCount ); in normalizeRoundAndPackFloat32()
443 INLINE float64 packFloat64( flag zSign, int16 zExp, bits64 zSig ) in packFloat64() argument
447 ( ( (bits64) zExp )<<52 ) + zSig ); in packFloat64()
474 static float64 roundAndPackFloat64( flag zSign, int16 zExp, bits64 zSig ) in roundAndPackFloat64() argument
498 roundBits = zSig & 0x3FF; in roundAndPackFloat64()
502 && ( (sbits64) ( zSig + roundIncrement ) < 0 ) ) in roundAndPackFloat64()
513 || ( zSig + roundIncrement < LIT64( 0x8000000000000000 ) ); in roundAndPackFloat64()
514 shift64RightJamming( zSig, - zExp, &zSig ); in roundAndPackFloat64()
516 roundBits = zSig & 0x3FF; in roundAndPackFloat64()
521 zSig = ( zSig + roundIncrement )>>10; in roundAndPackFloat64()
522 zSig &= ~ ( ( ( roundBits ^ 0x200 ) == 0 ) & roundNearestEven ); in roundAndPackFloat64()
523 if ( zSig == 0 ) zExp = 0; in roundAndPackFloat64()
524 return packFloat64( zSign, zExp, zSig ); in roundAndPackFloat64()
539 normalizeRoundAndPackFloat64( flag zSign, int16 zExp, bits64 zSig ) in normalizeRoundAndPackFloat64() argument
543 shiftCount = countLeadingZeros64( zSig ) - 1; in normalizeRoundAndPackFloat64()
544 return roundAndPackFloat64( zSign, zExp - shiftCount, zSig<<shiftCount ); in normalizeRoundAndPackFloat64()
614 INLINE floatx80 packFloatx80( flag zSign, int32 zExp, bits64 zSig ) in packFloatx80() argument
618 z.low = zSig; in packFloatx80()
1152 bits64 zSig; in int32_to_float64() local
1158 zSig = absA; in int32_to_float64()
1159 return packFloat64( zSign, 0x432 - shiftCount, zSig<<shiftCount ); in int32_to_float64()
1167 bits64 zSig = a; in uint32_to_float64() local
1171 return packFloat64( 0, 0x432 - shiftCount, zSig<<shiftCount ); in uint32_to_float64()
1191 bits64 zSig; in int32_to_floatx80() local
1197 zSig = absA; in int32_to_floatx80()
1198 return packFloatx80( zSign, 0x403E - shiftCount, zSig<<shiftCount ); in int32_to_floatx80()
1205 bits64 zSig = a; in uint32_to_floatx80() local
1209 return packFloatx80( 0, 0x403E - shiftCount, zSig<<shiftCount ); in uint32_to_floatx80()
1709 bits32 aSig, bSig, zSig; in addFloat32Sigs() local
1753 zSig = 0x40000000 + aSig + bSig; in addFloat32Sigs()
1758 zSig = ( aSig + bSig )<<1; in addFloat32Sigs()
1760 if ( (sbits32) zSig < 0 ) { in addFloat32Sigs()
1761 zSig = aSig + bSig; in addFloat32Sigs()
1765 return roundAndPackFloat32( zSign, zExp, zSig ); in addFloat32Sigs()
1781 bits32 aSig, bSig, zSig; in subFloat32Sigs() local
1819 zSig = bSig - aSig; in subFloat32Sigs()
1837 zSig = aSig - bSig; in subFloat32Sigs()
1841 return normalizeRoundAndPackFloat32( zSign, zExp, zSig ); in subFloat32Sigs()
1902 bits32 zSig; in float32_mul() local
1941 zSig = zSig64; in float32_mul()
1942 if ( 0 <= (sbits32) ( zSig<<1 ) ) { in float32_mul()
1943 zSig <<= 1; in float32_mul()
1946 return roundAndPackFloat32( zSign, zExp, zSig ); in float32_mul()
1961 bits32 aSig, bSig, zSig; in float32_div() local
2005 zSig = ( ( (bits64) aSig )<<32 ) / bSig; in float32_div()
2006 if ( ( zSig & 0x3F ) == 0 ) { in float32_div()
2007 zSig |= ( (bits64) bSig * zSig != ( (bits64) aSig )<<32 ); in float32_div()
2009 return roundAndPackFloat32( zSign, zExp, zSig ); in float32_div()
2128 bits32 aSig, zSig; in float32_sqrt() local
2151 zSig = estimateSqrt32( aExp, aSig ) + 2; in float32_sqrt()
2152 if ( ( zSig & 0x7F ) <= 5 ) { in float32_sqrt()
2153 if ( zSig < 2 ) { in float32_sqrt()
2154 zSig = 0x7FFFFFFF; in float32_sqrt()
2158 term = ( (bits64) zSig ) * zSig; in float32_sqrt()
2161 --zSig; in float32_sqrt()
2162 rem += ( ( (bits64) zSig )<<1 ) | 1; in float32_sqrt()
2164 zSig |= ( rem != 0 ); in float32_sqrt()
2166 shift32RightJamming( zSig, 1, &zSig ); in float32_sqrt()
2168 return roundAndPackFloat32( 0, zExp, zSig ); in float32_sqrt()
2509 bits32 zSig; in float64_to_float32() local
2519 zSig = aSig; in float64_to_float32()
2520 if ( aExp || zSig ) { in float64_to_float32()
2521 zSig |= 0x40000000; in float64_to_float32()
2524 return roundAndPackFloat32( aSign, aExp, zSig ); in float64_to_float32()
2675 bits64 aSig, bSig, zSig; in addFloat64Sigs() local
2719 zSig = LIT64( 0x4000000000000000 ) + aSig + bSig; in addFloat64Sigs()
2724 zSig = ( aSig + bSig )<<1; in addFloat64Sigs()
2726 if ( (sbits64) zSig < 0 ) { in addFloat64Sigs()
2727 zSig = aSig + bSig; in addFloat64Sigs()
2731 return roundAndPackFloat64( zSign, zExp, zSig ); in addFloat64Sigs()
2747 bits64 aSig, bSig, zSig; in subFloat64Sigs() local
2785 zSig = bSig - aSig; in subFloat64Sigs()
2803 zSig = aSig - bSig; in subFloat64Sigs()
2807 return normalizeRoundAndPackFloat64( zSign, zExp, zSig ); in subFloat64Sigs()
2925 bits64 aSig, bSig, zSig; in float64_div() local
2971 zSig = estimateDiv128To64( aSig, 0, bSig ); in float64_div()
2972 if ( ( zSig & 0x1FF ) <= 2 ) { in float64_div()
2973 mul64To128( bSig, zSig, &term0, &term1 ); in float64_div()
2976 --zSig; in float64_div()
2979 zSig |= ( rem1 != 0 ); in float64_div()
2981 return roundAndPackFloat64( zSign, zExp, zSig ); in float64_div()
3083 bits64 aSig, zSig, doubleZSig; in float64_sqrt() local
3106 zSig = estimateSqrt32( aExp, aSig>>21 ); in float64_sqrt()
3108 zSig = estimateDiv128To64( aSig, 0, zSig<<32 ) + ( zSig<<30 ); in float64_sqrt()
3109 if ( ( zSig & 0x1FF ) <= 5 ) { in float64_sqrt()
3110 doubleZSig = zSig<<1; in float64_sqrt()
3111 mul64To128( zSig, zSig, &term0, &term1 ); in float64_sqrt()
3114 --zSig; in float64_sqrt()
3116 add128( rem0, rem1, zSig>>63, doubleZSig | 1, &rem0, &rem1 ); in float64_sqrt()
3118 zSig |= ( ( rem0 | rem1 ) != 0 ); in float64_sqrt()
3120 return roundAndPackFloat64( 0, zExp, zSig ); in float64_sqrt()
3485 bits64 aSig, zSig; in floatx80_to_float64() local
3496 shift64RightJamming( aSig, 1, &zSig ); in floatx80_to_float64()
3498 return roundAndPackFloat64( aSign, aExp, zSig ); in floatx80_to_float64()
4553 bits32 zSig; in float128_to_float32() local
4567 zSig = aSig0; in float128_to_float32()
4568 if ( aExp || zSig ) { in float128_to_float32()
4569 zSig |= 0x40000000; in float128_to_float32()
4572 return roundAndPackFloat32( aSign, aExp, zSig ); in float128_to_float32()