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 --- .../source/8086-SSE/s_propagateNaNExtF80UI.c | 107 +++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 src/libs/softfloat-3e/source/8086-SSE/s_propagateNaNExtF80UI.c (limited to 'src/libs/softfloat-3e/source/8086-SSE/s_propagateNaNExtF80UI.c') diff --git a/src/libs/softfloat-3e/source/8086-SSE/s_propagateNaNExtF80UI.c b/src/libs/softfloat-3e/source/8086-SSE/s_propagateNaNExtF80UI.c new file mode 100644 index 00000000..0dcadd64 --- /dev/null +++ b/src/libs/softfloat-3e/source/8086-SSE/s_propagateNaNExtF80UI.c @@ -0,0 +1,107 @@ + +/*============================================================================ + +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, 2018 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 +#include "platform.h" +#include "internals.h" +#include "specialize.h" +#include "softfloat.h" + +/*---------------------------------------------------------------------------- +| Interpreting the unsigned integer formed from concatenating 'uiA64' and +| 'uiA0' as an 80-bit extended floating-point value, and likewise interpreting +| the unsigned integer formed from concatenating 'uiB64' and 'uiB0' as another +| 80-bit extended floating-point value, and assuming at least on of these +| floating-point values is a NaN, returns the bit pattern of the combined NaN +| result. If either original floating-point value is a signaling NaN, the +| invalid exception is raised. +*----------------------------------------------------------------------------*/ +struct uint128 + softfloat_propagateNaNExtF80UI( + uint_fast16_t uiA64, + uint_fast64_t uiA0, + uint_fast16_t uiB64, + uint_fast64_t uiB0 + SOFTFLOAT_STATE_DECL_COMMA + ) +{ + bool isSigNaNA, isSigNaNB; + uint_fast64_t uiNonsigA0, uiNonsigB0; + uint_fast16_t uiMagA64, uiMagB64; + struct uint128 uiZ; + + /*------------------------------------------------------------------------ + *------------------------------------------------------------------------*/ + isSigNaNA = softfloat_isSigNaNExtF80UI( uiA64, uiA0 ); + isSigNaNB = softfloat_isSigNaNExtF80UI( uiB64, uiB0 ); + /*------------------------------------------------------------------------ + | Make NaNs non-signaling. + *------------------------------------------------------------------------*/ + uiNonsigA0 = uiA0 | UINT64_C( 0xC000000000000000 ); + uiNonsigB0 = uiB0 | UINT64_C( 0xC000000000000000 ); + /*------------------------------------------------------------------------ + *------------------------------------------------------------------------*/ + if ( isSigNaNA | isSigNaNB ) { + softfloat_raiseFlags( softfloat_flag_invalid SOFTFLOAT_STATE_ARG_COMMA ); + if ( isSigNaNA ) { + if ( isSigNaNB ) goto returnLargerMag; + if ( isNaNExtF80UI( uiB64, uiB0 ) ) goto returnB; + goto returnA; + } else { + if ( isNaNExtF80UI( uiA64, uiA0 ) ) goto returnA; + goto returnB; + } + } + returnLargerMag: + uiMagA64 = uiA64 & 0x7FFF; + uiMagB64 = uiB64 & 0x7FFF; + if ( uiMagA64 < uiMagB64 ) goto returnB; + if ( uiMagB64 < uiMagA64 ) goto returnA; + if ( uiA0 < uiB0 ) goto returnB; + if ( uiB0 < uiA0 ) goto returnA; + if ( uiA64 < uiB64 ) goto returnA; + returnB: + uiZ.v64 = uiB64; + uiZ.v0 = uiNonsigB0; + return uiZ; + returnA: + uiZ.v64 = uiA64; + uiZ.v0 = uiNonsigA0; + return uiZ; + +} + -- cgit v1.2.3