From f9a43781767007462965b21f3f518c4cfc0744c7 Mon Sep 17 00:00:00 2001 From: "r.tyminski" Date: Mon, 29 May 2017 11:42:10 +0200 Subject: Initial commit with upstream sources Change-Id: Ie9460111f21fc955102fd8732a0173b2d0499a4a --- .../arm/softfloat/source/s_mul64ByShifted32To128.c | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 lib/libutils/isoc/arch/arm/softfloat/source/s_mul64ByShifted32To128.c (limited to 'lib/libutils/isoc/arch/arm/softfloat/source/s_mul64ByShifted32To128.c') diff --git a/lib/libutils/isoc/arch/arm/softfloat/source/s_mul64ByShifted32To128.c b/lib/libutils/isoc/arch/arm/softfloat/source/s_mul64ByShifted32To128.c new file mode 100644 index 0000000..8065cb7 --- /dev/null +++ b/lib/libutils/isoc/arch/arm/softfloat/source/s_mul64ByShifted32To128.c @@ -0,0 +1,56 @@ + +/*============================================================================ + +This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic +Package, Release 3a, by John R. Hauser. + +Copyright 2011, 2012, 2013, 2014, 2015 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_mul64ByShifted32To128 + +struct uint128 softfloat_mul64ByShifted32To128( uint64_t a, uint32_t b ) +{ + uint_fast64_t mid; + struct uint128 z; + + mid = (uint_fast64_t) (uint32_t) a * b; + z.v0 = mid<<32; + z.v64 = (uint_fast64_t) (uint32_t) (a>>32) * b + (mid>>32); + return z; + +} + +#endif + -- cgit v1.2.3