updates softfloat to #b51ef8f of softfloat3
https://github.com/ucb-bar/berkeley-softfloat-3/
This commit is contained in:
@ -1,86 +1,86 @@
|
||||
|
||||
/*============================================================================
|
||||
|
||||
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
|
||||
Package, Release 3e, by John R. Hauser.
|
||||
|
||||
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:
|
||||
|
||||
1. Redistributions of source code must retain the above copyright notice,
|
||||
this list of conditions, and the following disclaimer.
|
||||
|
||||
2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
this list of conditions, and the following disclaimer in the documentation
|
||||
and/or other materials provided with the distribution.
|
||||
|
||||
3. Neither the name of the University nor the names of its contributors may
|
||||
be used to endorse or promote products derived from this software without
|
||||
specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
|
||||
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
|
||||
DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
|
||||
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
=============================================================================*/
|
||||
|
||||
#include <stdint.h>
|
||||
#include "platform.h"
|
||||
#include "primitiveTypes.h"
|
||||
|
||||
#ifndef softfloat_remStepMBy32
|
||||
|
||||
void
|
||||
softfloat_remStepMBy32(
|
||||
uint_fast8_t size_words,
|
||||
const uint32_t *remPtr,
|
||||
uint_fast8_t dist,
|
||||
const uint32_t *bPtr,
|
||||
uint32_t q,
|
||||
uint32_t *zPtr
|
||||
)
|
||||
{
|
||||
unsigned int index, lastIndex;
|
||||
uint64_t dwordProd;
|
||||
uint32_t wordRem, wordShiftedRem, wordProd;
|
||||
uint_fast8_t uNegDist, borrow;
|
||||
|
||||
index = indexWordLo( size_words );
|
||||
lastIndex = indexWordHi( size_words );
|
||||
dwordProd = (uint64_t) bPtr[index] * q;
|
||||
wordRem = remPtr[index];
|
||||
wordShiftedRem = wordRem<<dist;
|
||||
wordProd = dwordProd;
|
||||
zPtr[index] = wordShiftedRem - wordProd;
|
||||
if ( index != lastIndex ) {
|
||||
uNegDist = -dist;
|
||||
borrow = (wordShiftedRem < wordProd);
|
||||
for (;;) {
|
||||
wordShiftedRem = wordRem>>(uNegDist & 31);
|
||||
index += wordIncr;
|
||||
dwordProd = (uint64_t) bPtr[index] * q + (dwordProd>>32);
|
||||
wordRem = remPtr[index];
|
||||
wordShiftedRem |= wordRem<<dist;
|
||||
wordProd = dwordProd;
|
||||
zPtr[index] = wordShiftedRem - wordProd - borrow;
|
||||
if ( index == lastIndex ) break;
|
||||
borrow =
|
||||
borrow ? (wordShiftedRem <= wordProd)
|
||||
: (wordShiftedRem < wordProd);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
/*============================================================================
|
||||
|
||||
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
|
||||
Package, Release 3e, by John R. Hauser.
|
||||
|
||||
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:
|
||||
|
||||
1. Redistributions of source code must retain the above copyright notice,
|
||||
this list of conditions, and the following disclaimer.
|
||||
|
||||
2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
this list of conditions, and the following disclaimer in the documentation
|
||||
and/or other materials provided with the distribution.
|
||||
|
||||
3. Neither the name of the University nor the names of its contributors may
|
||||
be used to endorse or promote products derived from this software without
|
||||
specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
|
||||
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
|
||||
DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
|
||||
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
=============================================================================*/
|
||||
|
||||
#include <stdint.h>
|
||||
#include "platform.h"
|
||||
#include "primitiveTypes.h"
|
||||
|
||||
#ifndef softfloat_remStepMBy32
|
||||
|
||||
void
|
||||
softfloat_remStepMBy32(
|
||||
uint_fast8_t size_words,
|
||||
const uint32_t *remPtr,
|
||||
uint_fast8_t dist,
|
||||
const uint32_t *bPtr,
|
||||
uint32_t q,
|
||||
uint32_t *zPtr
|
||||
)
|
||||
{
|
||||
unsigned int index, lastIndex;
|
||||
uint64_t dwordProd;
|
||||
uint32_t wordRem, wordShiftedRem, wordProd;
|
||||
uint_fast8_t uNegDist, borrow;
|
||||
|
||||
index = indexWordLo( size_words );
|
||||
lastIndex = indexWordHi( size_words );
|
||||
dwordProd = (uint64_t) bPtr[index] * q;
|
||||
wordRem = remPtr[index];
|
||||
wordShiftedRem = wordRem<<dist;
|
||||
wordProd = dwordProd;
|
||||
zPtr[index] = wordShiftedRem - wordProd;
|
||||
if ( index != lastIndex ) {
|
||||
uNegDist = -dist;
|
||||
borrow = (wordShiftedRem < wordProd);
|
||||
for (;;) {
|
||||
wordShiftedRem = wordRem>>(uNegDist & 31);
|
||||
index += wordIncr;
|
||||
dwordProd = (uint64_t) bPtr[index] * q + (dwordProd>>32);
|
||||
wordRem = remPtr[index];
|
||||
wordShiftedRem |= wordRem<<dist;
|
||||
wordProd = dwordProd;
|
||||
zPtr[index] = wordShiftedRem - wordProd - borrow;
|
||||
if ( index == lastIndex ) break;
|
||||
borrow =
|
||||
borrow ? (wordShiftedRem <= wordProd)
|
||||
: (wordShiftedRem < wordProd);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
Reference in New Issue
Block a user