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Minor cleanup in BufferUtils.cpp

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Replace inline asm with intrinsic using target attribute trick.
This commit is contained in:
Nekotekina 2019-10-30 17:53:51 +03:00
parent cfd5cf6bdb
commit b1968769b7
1 changed files with 8 additions and 16 deletions
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24
rpcs3/Emu/RSX/Common/BufferUtils.cpp
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@ -9,27 +9,19 @@
#define DEBUG_VERTEX_STREAMING 0
#if defined(_MSC_VER)
#define __SSSE3__ 1
#define SSSE3_FUNC
#define SSE4_1_FUNC
#define AVX2_FUNC
#else
#define __sse_intrin static FORCE_INLINE
#define SSSE3_FUNC __attribute__((__target__("ssse3")))
#define SSE4_1_FUNC __attribute__((__target__("sse4.1")))
#define AVX2_FUNC __attribute__((__target__("avx2")))
#endif // _MSC_VER
// NOTE: Clang does not allow to redefine missing intrinsics
#ifndef __SSSE3__
__sse_intrin __m128i __mm_shuffle_epi8(__m128i opd, __m128i opa)
SSSE3_FUNC static inline __m128i ssse3_shuffle_epi8(__m128i x, __m128i y)
{
__asm__("pshufb %1, %0" : "+x" (opd) : "xm" (opa));
return opd;
return _mm_shuffle_epi8(x, y);
}
#else
#define __mm_shuffle_epi8 _mm_shuffle_epi8
#endif // __SSSE3__
#undef __sse_intrin
const bool s_use_ssse3 = utils::has_ssse3();
const bool s_use_sse4_1 = utils::has_sse41();
@ -91,7 +83,7 @@ namespace
for (u32 i = 0; i < iterations; ++i)
{
const __m128i vector = _mm_loadu_si128(src_ptr);
const __m128i shuffled_vector = __mm_shuffle_epi8(vector, mask);
const __m128i shuffled_vector = ssse3_shuffle_epi8(vector, mask);
_mm_stream_si128(dst_ptr, shuffled_vector);
src_ptr++;
@ -142,7 +134,7 @@ namespace
for (u32 i = 0; i < iterations; ++i)
{
const __m128i vector = _mm_loadu_si128(src_ptr);
const __m128i shuffled_vector = __mm_shuffle_epi8(vector, mask);
const __m128i shuffled_vector = ssse3_shuffle_epi8(vector, mask);
_mm_stream_si128(dst_ptr, shuffled_vector);
src_ptr++;
@ -202,7 +194,7 @@ namespace
for (u32 i = 0; i < iterations; ++i)
{
const __m128i vector = _mm_loadu_si128((__m128i*)src_ptr);
const __m128i shuffled_vector = __mm_shuffle_epi8(vector, mask);
const __m128i shuffled_vector = ssse3_shuffle_epi8(vector, mask);
_mm_storeu_si128((__m128i*)dst_ptr, shuffled_vector);
src_ptr += src_stride;
@ -266,7 +258,7 @@ namespace
for (u32 i = 0; i < iterations; ++i)
{
const __m128i vector = _mm_loadu_si128((__m128i*)src_ptr);
const __m128i shuffled_vector = __mm_shuffle_epi8(vector, mask);
const __m128i shuffled_vector = ssse3_shuffle_epi8(vector, mask);
_mm_storeu_si128((__m128i*)dst_ptr, shuffled_vector);
src_ptr += src_stride;