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simd_utils: fix undefined instruction issue for 32-bit system

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fixes github issue #292
This commit is contained in:
Wang Xiang W 2021-01-27 11:57:51 +00:00 committed by Hong, Yang A
parent 62e35c910b
commit 1ecb3aef8b
1 changed files with 13 additions and 13 deletions
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26
src/util/simd_utils.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2020, Intel Corporation
* Copyright (c) 2015-2021, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@ -156,6 +156,16 @@ static really_inline u32 movd(const m128 in) {
return _mm_cvtsi128_si32(in);
}
static really_inline u64a movq(const m128 in) {
#if defined(ARCH_X86_64)
return _mm_cvtsi128_si64(in);
#else // 32-bit - this is horrific
u32 lo = movd(in);
u32 hi = movd(_mm_srli_epi64(in, 32));
return (u64a)hi << 32 | lo;
#endif
}
#if defined(HAVE_AVX512)
static really_inline u32 movd512(const m512 in) {
// NOTE: seems gcc doesn't support _mm512_cvtsi512_si32(in),
@ -166,20 +176,10 @@ static really_inline u32 movd512(const m512 in) {
static really_inline u64a movq512(const m512 in) {
// NOTE: seems AVX512 doesn't support _mm512_cvtsi512_si64(in),
// so we use 2-step convertions to work around.
return _mm_cvtsi128_si64(_mm512_castsi512_si128(in));
return movq(_mm512_castsi512_si128(in));
}
#endif
static really_inline u64a movq(const m128 in) {
#if defined(ARCH_X86_64)
return _mm_cvtsi128_si64(in);
#else // 32-bit - this is horrific
u32 lo = movd(in);
u32 hi = movd(_mm_srli_epi64(in, 32));
return (u64a)hi << 32 | lo;
#endif
}
/* another form of movq */
static really_inline
m128 load_m128_from_u64a(const u64a *p) {
@ -791,7 +791,7 @@ m128 movdq_lo(m256 x) {
#define lshift128_m256(a, count_immed) _mm256_slli_si256(a, count_immed)
#define extract64from256(a, imm) _mm_extract_epi64(_mm256_extracti128_si256(a, imm >> 1), imm % 2)
#define extract32from256(a, imm) _mm_extract_epi32(_mm256_extracti128_si256(a, imm >> 2), imm % 4)
#define extractlow64from256(a) _mm_cvtsi128_si64(cast256to128(a))
#define extractlow64from256(a) movq(cast256to128(a))
#define extractlow32from256(a) movd(cast256to128(a))
#define interleave256hi(a, b) _mm256_unpackhi_epi8(a, b)
#define interleave256lo(a, b) _mm256_unpacklo_epi8(a, b)