RandomWOW/src/intrinPortable.h

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2018-12-11 20:00:30 +00:00
/*
Copyright (c) 2018 tevador
This file is part of RandomX.
RandomX is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
RandomX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with RandomX. If not, see<http://www.gnu.org/licenses/>.
*/
#pragma once
#if defined(_MSC_VER)
#if defined(_M_X64) || (defined(_M_IX86_FP) && _M_IX86_FP == 2)
#define __SSE2__ 1
#endif
#endif
#ifdef __SSE2__
#ifdef __GNUC__
#include <x86intrin.h>
#else
#include <intrin.h>
#endif
#else
#include <cstdint>
#include <stdexcept>
#define _mm_malloc(a,b) malloc(a)
#define _mm_free(a) free(a)
typedef union {
uint64_t u64[2];
uint32_t u32[4];
uint16_t u16[8];
uint8_t u8[16];
} __m128i;
static const char* platformError = "Platform doesn't support hardware AES";
inline __m128i _mm_aeskeygenassist_si128(__m128i key, uint8_t rcon) {
throw std::runtime_error(platformError);
}
inline __m128i _mm_aesenc_si128(__m128i v, __m128i rkey) {
throw std::runtime_error(platformError);
}
inline __m128i _mm_aesdec_si128(__m128i v, __m128i rkey) {
throw std::runtime_error(platformError);
}
inline int _mm_cvtsi128_si32(__m128i v) {
return v.u32[0];
}
inline __m128i _mm_cvtsi32_si128(int si32) {
__m128i v;
v.u32[0] = si32;
v.u32[1] = 0;
v.u32[2] = 0;
v.u32[3] = 0;
return v;
}
inline __m128i _mm_set_epi64x(int64_t _I1, int64_t _I0) {
__m128i v;
v.u64[0] = _I0;
v.u64[1] = _I1;
return v;
}
inline __m128i _mm_set_epi32(int _I3, int _I2, int _I1, int _I0) {
__m128i v;
v.u32[0] = _I0;
v.u32[1] = _I1;
v.u32[2] = _I2;
v.u32[3] = _I3;
return v;
};
inline __m128i _mm_xor_si128(__m128i _A, __m128i _B) {
__m128i c;
c.u32[0] = _A.u32[0] ^ _B.u32[0];
c.u32[1] = _A.u32[1] ^ _B.u32[1];
c.u32[2] = _A.u32[2] ^ _B.u32[2];
c.u32[3] = _A.u32[3] ^ _B.u32[3];
return c;
}
inline __m128i _mm_shuffle_epi32(__m128i _A, int _Imm) {
__m128i c;
c.u32[0] = _A.u32[_Imm & 3];
c.u32[1] = _A.u32[(_Imm >> 2) & 3];
c.u32[2] = _A.u32[(_Imm >> 4) & 3];
c.u32[3] = _A.u32[(_Imm >> 6) & 3];
return c;
}
inline __m128i _mm_load_si128(__m128i const*_P) {
return *_P;
}
inline void _mm_store_si128(__m128i *_P, __m128i _B) {
*_P = _B;
}
inline __m128i _mm_slli_si128(__m128i _A, int _Imm) {
_Imm &= 255;
if (_Imm > 15) {
_A.u64[0] = 0;
_A.u64[1] = 0;
}
else {
for (int i = 15; i >= _Imm; --i) {
_A.u8[i] = _A.u8[i - _Imm];
}
for (int i = 0; i < _Imm; ++i) {
_A.u8[i] = 0;
}
}
return _A;
}
#endif