mirror of https://github.com/PCSX2/pcsx2.git
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2016 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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// Because nobody can't agree on a single name !
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#if defined(__GNUC__)
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// Yes there are several files for the same features!
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// x86intrin.h which is the general include provided by the compiler
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// x86_intrin.h, this file, which is compatibility layer for severals intrinsics
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#include "x86intrin.h"
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#else
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#include "Intrin.h"
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#endif
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// CPU information support
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#if defined(_WIN32)
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#define cpuid __cpuid
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#define cpuidex __cpuidex
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#define xgetbv _xgetbv
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#else
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#include <cpuid.h>
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static __inline__ __attribute__((always_inline)) void cpuidex(int CPUInfo[], const int InfoType, const int count)
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{
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__cpuid_count(InfoType, count, CPUInfo[0], CPUInfo[1], CPUInfo[2], CPUInfo[3]);
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}
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static __inline__ __attribute__((always_inline)) void cpuid(int CPUInfo[], const int InfoType)
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{
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__cpuid(InfoType, CPUInfo[0], CPUInfo[1], CPUInfo[2], CPUInfo[3]);
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}
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// _xgetbv on gcc 8 is broken (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85684).
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// It also isn't present on clang and earlier versions of gcc.
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static __inline__ __attribute__((always_inline)) unsigned long long xgetbv(unsigned int index)
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{
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unsigned int eax, edx;
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__asm__ __volatile__("xgetbv"
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: "=a"(eax), "=d"(edx)
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: "c"(index));
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return ((unsigned long long)edx << 32) | eax;
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}
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#endif
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// Rotate instruction
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#if defined(__clang__)
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// Seriously what is so complicated to provided this bunch of intrinsics in clangs.
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static unsigned int _rotr(unsigned int x, int s)
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{
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return (x >> s) | (x << (32 - s));
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}
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static unsigned int _rotl(unsigned int x, int s)
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{
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return (x << s) | (x >> (32 - s));
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}
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#endif
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// Not correctly defined in GCC4.8 and below ! (dunno for VS)
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#ifndef _MM_MK_INSERTPS_NDX
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#define _MM_MK_INSERTPS_NDX(srcField, dstField, zeroMask) (((srcField) << 6) | ((dstField) << 4) | (zeroMask))
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#endif
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