PMOVSXBQ - Packed MOVe Sign eXtension Byte Qword

BYTE→QWORD 符号拡張

PMOVSXBQ xmm1, xmm2/m16    (S4.1    
__m128i _mm_cvtepi8_epi64(__m128i a)
VPMOVSXBQ xmm1, xmm2/m16    (V1
__m128i _mm_cvtepi8_epi64(__m128i a)
VPMOVSXBQ xmm1{k1}{z}, xmm2/m16    (V5+VL
__m128i _mm_mask_cvtepi8_epi64(__m128i s, __mmask8 k, __m128i a)
__m128i _mm_maskz_cvtepi8_epi64(__mmask8 k, __m128i a)

VPMOVSXBQ ymm1, xmm2/m32    (V2    
__m256i _mm256_cvtepi8_epi64(__m128i a)
VPMOVSXBQ ymm1{k1}{z}, xmm2/m32    (V5+VL
__m256i _mm256_mask_cvtepi8_epi64(__m256i s, __mmask8 k, __m128i a)
__m256i _mm256_maskz_cvtepi8_epi64(__mmask8 k, __m128i a)

VPMOVSXBQ zmm1{k1}{z}, xmm2/m64    (V5    
__m512i _mm512_cvtepi8_epi64(__m128i a)
__m512i _mm512_mask_cvtepi8_epi64(__m512i s, __mmask8 k, __m128i a)
__m512i _mm512_maskz_cvtepi8_epi64(__mmask8 k, __m128i a)


x86/x64 SIMD命令一覧表  フィードバック