Intel® Architecture Instruction Set Extensions Programming Reference

PUNPCKLBW
DEST[127:0] INTERLEAVE_BYTES(DEST, SRC)
DEST[255:127] (Unmodified)
VPUNPCKLBW (VEX.128 encoded instruction)
DEST[127:0] INTERLEAVE_BYTES(SRC1, SRC2)
DEST[255:127] 0
VPUNPCKLBW (VEX.256 encoded instruction)
DEST[255:0] INTERLEAVE_BYTES_128b(SRC1, SRC2)
PUNPCKLWD
DEST[127:0] INTERLEAVE_WORDS(DEST, SRC)
DEST[255:127] (Unmodified)
VPUNPCKLWD (VEX.128 encoded instruction)
DEST[127:0] INTERLEAVE_WORDS(SRC1, SRC2)
DEST[255:127] 0
VPUNPCKLWD (VEX.256 encoded instruction)
DEST[255:0] INTERLEAVE_WORDS(SRC1, SRC2)
PUNPCKLDQ
DEST[127:0] INTERLEAVE_DWORDS(DEST, SRC)
DEST[255:127] (Unmodified)
VPUNPCKLDQ (VEX.128 encoded instruction)
DEST[127:0] INTERLEAVE_DWORDS(SRC1, SRC2)
DEST[255:127] 0
VPUNPCKLDQ (VEX.256 encoded instruction)
DEST[255:0] INTERLEAVE_DWORDS(SRC1, SRC2)
PUNPCKLQDQ
DEST[127:0] INTERLEAVE_QWORDS(DEST, SRC)
DEST[255:127] (Unmodified)
VPUNPCKLQDQ (VEX.128 encoded instruction)
DEST[127:0] INTERLEAVE_QWORDS(SRC1, SRC2)
DEST[255:127] 0
VPUNPCKLQDQ (VEX.256 encoded instruction)
DEST[255:0] INTERLEAVE_QWORDS(SRC1, SRC2)
Intel C/C++ Compiler Intrinsic Equivalent
(V)PUNPCKLBW: __m128i _mm_unpacklo_epi8 (__m128i m1, __m128i m2)
VPUNPCKLBW: __m256i _mm256_unpacklo_epi8 (__m256i m1, __m256i m2)
(V)PUNPCKLWD: __m128i _mm_unpacklo_epi16 (__m128i m1, __m128i m2)
VPUNPCKLWD: __m256i _mm256_unpacklo_epi16 (__m256i m1, __m256i m2)
(V)PUNPCKLDQ: __m128i _mm_unpacklo_epi32 (__m128i m1, __m128i m2)
INSTRUCTION SET REFERENCE
Ref. # 319433-014 5-169