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author | Andrew Waterman <andrew@sifive.com> | 2017-09-24 20:25:34 -0700 |
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committer | Andrew Waterman <andrew@sifive.com> | 2017-09-24 20:25:34 -0700 |
commit | bd85811c35ea38180d27440507fc222d585ef780 (patch) | |
tree | 214c6b615d7775f73da5ff9a94bd4a0a2772f9cf /softfloat/i64_to_f32.c | |
parent | b86f2a51f522f020ad0d90f598f4c501f41da232 (diff) | |
download | spike-bd85811c35ea38180d27440507fc222d585ef780.zip spike-bd85811c35ea38180d27440507fc222d585ef780.tar.gz spike-bd85811c35ea38180d27440507fc222d585ef780.tar.bz2 |
Update SoftFloat
Diffstat (limited to 'softfloat/i64_to_f32.c')
-rw-r--r-- | softfloat/i64_to_f32.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/softfloat/i64_to_f32.c b/softfloat/i64_to_f32.c index ae68ad9..e8a3494 100644 --- a/softfloat/i64_to_f32.c +++ b/softfloat/i64_to_f32.c @@ -2,10 +2,10 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3d, by John R. Hauser. -Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. -All rights reserved. +Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of +California. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: @@ -44,26 +44,26 @@ float32_t i64_to_f32( int64_t a ) { bool sign; uint_fast64_t absA; - int_fast8_t shiftCount; + int_fast8_t shiftDist; union ui32_f32 u; uint_fast32_t sig; sign = (a < 0); absA = sign ? -(uint_fast64_t) a : (uint_fast64_t) a; - shiftCount = softfloat_countLeadingZeros64( absA ) - 40; - if ( 0 <= shiftCount ) { + shiftDist = softfloat_countLeadingZeros64( absA ) - 40; + if ( 0 <= shiftDist ) { u.ui = a ? packToF32UI( - sign, 0x95 - shiftCount, (uint_fast32_t) absA<<shiftCount ) + sign, 0x95 - shiftDist, (uint_fast32_t) absA<<shiftDist ) : 0; return u.f; } else { - shiftCount += 7; + shiftDist += 7; sig = - (shiftCount < 0) - ? softfloat_shortShiftRightJam64( absA, -shiftCount ) - : (uint_fast32_t) absA<<shiftCount; - return softfloat_roundPackToF32( sign, 0x9C - shiftCount, sig ); + (shiftDist < 0) + ? softfloat_shortShiftRightJam64( absA, -shiftDist ) + : (uint_fast32_t) absA<<shiftDist; + return softfloat_roundPackToF32( sign, 0x9C - shiftDist, sig ); } } |