From 16f504a9dca3fe3b70568f67b7d41241ae485288 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:49:04 +0200 Subject: Adding upstream version 7.0.6-dfsg. Signed-off-by: Daniel Baumann --- src/libs/softfloat-3e/source/i64_to_f32.c | 70 +++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 src/libs/softfloat-3e/source/i64_to_f32.c (limited to 'src/libs/softfloat-3e/source/i64_to_f32.c') diff --git a/src/libs/softfloat-3e/source/i64_to_f32.c b/src/libs/softfloat-3e/source/i64_to_f32.c new file mode 100644 index 00000000..406cb4d2 --- /dev/null +++ b/src/libs/softfloat-3e/source/i64_to_f32.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 +#include "platform.h" +#include "internals.h" +#include "softfloat.h" + +float32_t i64_to_f32( int64_t a SOFTFLOAT_STATE_DECL_COMMA ) +{ + bool sign; + uint_fast64_t absA; + int_fast8_t shiftDist; + union ui32_f32 u; + uint_fast32_t sig; + + sign = (a < 0); + absA = sign ? -(uint_fast64_t) a : (uint_fast64_t) a; + shiftDist = softfloat_countLeadingZeros64( absA ) - 40; + if ( 0 <= shiftDist ) { + u.ui = + a ? packToF32UI( + sign, 0x95 - shiftDist, (uint_fast32_t) absA<