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author | John Hauser <jhauser@eecs.berkeley.edu> | 2016-07-22 18:03:04 -0700 |
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committer | John Hauser <jhauser@eecs.berkeley.edu> | 2016-07-22 18:03:04 -0700 |
commit | cb5087cd7403acf31ac24ac4be8e019a51904895 (patch) | |
tree | 3eeb55d6ad63e33dc8e3be33614e94bbe8a8cac5 /source/s_shiftRightJam128.c | |
parent | 45fdcf1c6583e4af380b147ac568f5aa721b7ba8 (diff) | |
download | berkeley-softfloat-3-cb5087cd7403acf31ac24ac4be8e019a51904895.zip berkeley-softfloat-3-cb5087cd7403acf31ac24ac4be8e019a51904895.tar.gz berkeley-softfloat-3-cb5087cd7403acf31ac24ac4be8e019a51904895.tar.bz2 |
Release 3b. See "doc/SoftFloat-history.html".
Diffstat (limited to 'source/s_shiftRightJam128.c')
-rw-r--r-- | source/s_shiftRightJam128.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/source/s_shiftRightJam128.c b/source/s_shiftRightJam128.c index 4e8a88f..ad6018e 100644 --- a/source/s_shiftRightJam128.c +++ b/source/s_shiftRightJam128.c @@ -2,9 +2,9 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. -Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of +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 @@ -41,23 +41,23 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #ifndef softfloat_shiftRightJam128 struct uint128 - softfloat_shiftRightJam128( uint64_t a64, uint64_t a0, uint_fast32_t count ) + softfloat_shiftRightJam128( uint64_t a64, uint64_t a0, uint_fast32_t dist ) { - int_fast32_t negCount; + uint_fast8_t u8NegDist; struct uint128 z; - if ( count < 64 ) { - negCount = -count; - z.v64 = a64>>count; + if ( dist < 64 ) { + u8NegDist = -dist; + z.v64 = a64>>dist; z.v0 = - a64<<(negCount & 63) | a0>>count - | ((uint64_t) (a0<<(negCount & 63)) != 0); + a64<<(u8NegDist & 63) | a0>>dist + | ((uint64_t) (a0<<(u8NegDist & 63)) != 0); } else { z.v64 = 0; z.v0 = - (count < 127) - ? a64>>(count & 63) - | (((a64 & (((uint_fast64_t) 1<<(count & 63)) - 1)) | a0) + (dist < 127) + ? a64>>(dist & 63) + | (((a64 & (((uint_fast64_t) 1<<(dist & 63)) - 1)) | a0) != 0) : ((a64 | a0) != 0); } |