From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/libs/softfloat-3e/source/s_addM.c | 70 +++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 src/libs/softfloat-3e/source/s_addM.c (limited to 'src/libs/softfloat-3e/source/s_addM.c') diff --git a/src/libs/softfloat-3e/source/s_addM.c b/src/libs/softfloat-3e/source/s_addM.c new file mode 100644 index 00000000..e1cc66bf --- /dev/null +++ b/src/libs/softfloat-3e/source/s_addM.c @@ -0,0 +1,70 @@ + +/*============================================================================ + +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 +#include "platform.h" +#include "primitiveTypes.h" + +#ifndef softfloat_addM + +void + softfloat_addM( + uint_fast8_t size_words, + const uint32_t *aPtr, + const uint32_t *bPtr, + uint32_t *zPtr + ) +{ + unsigned int index, lastIndex; + uint_fast8_t carry; + uint32_t wordA, wordZ; + + index = indexWordLo( size_words ); + lastIndex = indexWordHi( size_words ); + carry = 0; + for (;;) { + wordA = aPtr[index]; + wordZ = wordA + bPtr[index] + carry; + zPtr[index] = wordZ; + if ( index == lastIndex ) break; + if ( wordZ != wordA ) carry = (wordZ < wordA); + index += wordIncr; + } + +} + +#endif + -- cgit v1.2.3