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And primitives.h. as well.

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OBattler
2024-06-10 02:23:13 +02:00
parent f4cc13d622
commit 751f2af382
3 changed files with 53 additions and 10 deletions
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3
src/cpu/softfloat3e/CMakeLists.txt
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@@ -13,7 +13,8 @@
# Copyright 2020-2021 David Hrdlička.
#
add_library(softfloat3e OBJECT softfloat-specialize.c extF80_addsub.cc extF80_class.cc extF80_compare.cc
add_library(softfloat3e OBJECT primitives.c softfloat-specialize.c
extF80_addsub.cc extF80_class.cc extF80_compare.cc
extF80_div.cc extF80_extract.cc extF80_mul.cc extF80_rem.cc extF80_roundToInt.cc
extF80_scale.cc extF80_sqrt.cc extF80_to_f16.cc extF80_to_f32.cc extF80_to_f64.cc
extF80_to_f128.cc extF80_to_i32.cc extF80_to_i32_r_minMag.cc extF80_to_i64.cc

50
src/cpu/softfloat3e/primitives.c Normal file
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@@ -0,0 +1,50 @@
/*============================================================================
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3e, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 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 "primitives.h"
/*----------------------------------------------------------------------------
| This function is the same as 'softfloat_shiftRightJam128Extra' (below),
| except that 'dist' must be in the range 1 to 63.
*----------------------------------------------------------------------------*/
struct uint128_extra softfloat_shortShiftRightJam128Extra(uint64_t a64, uint64_t a0, uint64_t extra, uint8_t dist)
{
uint8_t negDist = -dist;
struct uint128_extra z;
z.v.v64 = a64>>dist;
z.v.v0 = a64<<(negDist & 63) | a0>>dist;
z.extra = a0<<(negDist & 63) | (extra != 0);
return z;
}

10
src/cpu/softfloat3e/primitives.h
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@@ -283,15 +283,7 @@ struct uint128 softfloat_shortShiftRightJam128(uint64_t a64, uint64_t a0, uint8_
| This function is the same as 'softfloat_shiftRightJam128Extra' (below),
| except that 'dist' must be in the range 1 to 63.
*----------------------------------------------------------------------------*/
struct uint128_extra softfloat_shortShiftRightJam128Extra(uint64_t a64, uint64_t a0, uint64_t extra, uint8_t dist)
{
uint8_t negDist = -dist;
struct uint128_extra z;
z.v.v64 = a64>>dist;
z.v.v0 = a64<<(negDist & 63) | a0>>dist;
z.extra = a0<<(negDist & 63) | (extra != 0);
return z;
}
extern struct uint128_extra softfloat_shortShiftRightJam128Extra(uint64_t a64, uint64_t a0, uint64_t extra, uint8_t dist);
/*----------------------------------------------------------------------------
| Shifts the 128 bits formed by concatenating 'a' and 'extra' right by 64