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 --- .../softfloat-3e/source/extF80_to_i64_r_minMag.c | 94 ++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 src/libs/softfloat-3e/source/extF80_to_i64_r_minMag.c (limited to 'src/libs/softfloat-3e/source/extF80_to_i64_r_minMag.c') diff --git a/src/libs/softfloat-3e/source/extF80_to_i64_r_minMag.c b/src/libs/softfloat-3e/source/extF80_to_i64_r_minMag.c new file mode 100644 index 00000000..390cf445 --- /dev/null +++ b/src/libs/softfloat-3e/source/extF80_to_i64_r_minMag.c @@ -0,0 +1,94 @@ + +/*============================================================================ + +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 +#include "platform.h" +#include "internals.h" +#include "specialize.h" +#include "softfloat.h" + +int_fast64_t extF80_to_i64_r_minMag( extFloat80_t a, bool exact SOFTFLOAT_STATE_DECL_COMMA ) +{ + union { struct extFloat80M s; extFloat80_t f; } uA; + uint_fast16_t uiA64; + int_fast32_t exp; + uint_fast64_t sig; + int_fast32_t shiftDist; + bool sign; + int_fast64_t absZ; + + /*------------------------------------------------------------------------ + *------------------------------------------------------------------------*/ + uA.f = a; + uiA64 = uA.s.signExp; + exp = expExtF80UI64( uiA64 ); + sig = uA.s.signif; + /*------------------------------------------------------------------------ + *------------------------------------------------------------------------*/ + shiftDist = 0x403E - exp; + if ( 64 <= shiftDist ) { + if ( exact && (exp | sig) ) { + softfloat_exceptionFlags |= softfloat_flag_inexact; + } + return 0; + } + /*------------------------------------------------------------------------ + *------------------------------------------------------------------------*/ + sign = signExtF80UI64( uiA64 ); + if ( shiftDist <= 0 ) { + if ( + (uiA64 == packToExtF80UI64( 1, 0x403E )) + && (sig == UINT64_C( 0x8000000000000000 )) + ) { + return -INT64_C( 0x7FFFFFFFFFFFFFFF ) - 1; + } + softfloat_raiseFlags( softfloat_flag_invalid SOFTFLOAT_STATE_ARG_COMMA ); + return + (exp == 0x7FFF) && (sig & UINT64_C( 0x7FFFFFFFFFFFFFFF )) + ? i64_fromNaN + : sign ? i64_fromNegOverflow : i64_fromPosOverflow; + } + /*------------------------------------------------------------------------ + *------------------------------------------------------------------------*/ + absZ = sig>>shiftDist; + if ( exact && (uint64_t) (sig<<(-shiftDist & 63)) ) { + softfloat_exceptionFlags |= softfloat_flag_inexact; + } + return sign ? -absZ : absZ; + +} + -- cgit v1.2.3