VPERMD/VPERMW—Permute Packed Doublewords/Words Elements
INSTRUCTION SET REFERENCE, V-Z
Vol. 2C 5-335
Intel C/C++ Compiler Intrinsic Equivalent
VPERMD __m512i _mm512_permutexvar_epi32( __m512i idx, __m512i a);
VPERMD __m512i _mm512_mask_permutexvar_epi32(__m512i s, __mmask16 k, __m512i idx, __m512i a);
VPERMD __m512i _mm512_maskz_permutexvar_epi32( __mmask16 k, __m512i idx, __m512i a);
VPERMD __m256i _mm256_permutexvar_epi32( __m256i idx, __m256i a);
VPERMD __m256i _mm256_mask_permutexvar_epi32(__m256i s, __mmask8 k, __m256i idx, __m256i a);
VPERMD __m256i _mm256_maskz_permutexvar_epi32( __mmask8 k, __m256i idx, __m256i a);
VPERMW __m512i _mm512_permutexvar_epi16( __m512i idx, __m512i a);
VPERMW __m512i _mm512_mask_permutexvar_epi16(__m512i s, __mmask32 k, __m512i idx, __m512i a);
VPERMW __m512i _mm512_maskz_permutexvar_epi16( __mmask32 k, __m512i idx, __m512i a);
VPERMW __m256i _mm256_permutexvar_epi16( __m256i idx, __m256i a);
VPERMW __m256i _mm256_mask_permutexvar_epi16(__m256i s, __mmask16 k, __m256i idx, __m256i a);
VPERMW __m256i _mm256_maskz_permutexvar_epi16( __mmask16 k, __m256i idx, __m256i a);
VPERMW __m128i _mm_permutexvar_epi16( __m128i idx, __m128i a);
VPERMW __m128i _mm_mask_permutexvar_epi16(__m128i s, __mmask8 k, __m128i idx, __m128i a);
VPERMW __m128i _mm_maskz_permutexvar_epi16( __mmask8 k, __m128i idx, __m128i a);
SIMD Floating-Point Exceptions
None
Other Exceptions
Non-EVEX-encoded instruction, see Exceptions Type 4.
EVEX-encoded
VPERMD, see Exceptions Type E4NF.
EVEX-encoded
VPERMW, see Exceptions Type E4NF.nb.
#UD
If VEX.L = 0.
If EVEX.L’L = 0 for VPERMD.