AVX-512BW Instructions

29 x86 instructions in this extension - click any row for encoding, pseudocode, and full documentation.

Mnemonic ⇅	Syntax	Format ⇅	Summary
kandq	KANDQ k1, k2, k3	EVEX	Bitwise AND of 64-bit mask registers.
kmovq	KMOVQ k1, k2/m64	EVEX	Moves 64-bit mask to/from k-register.
knotd	KNOTD k1, k2	EVEX	Bitwise NOT of 32-bit mask.
knotq	KNOTQ k1, k2	EVEX	Bitwise NOT of 64-bit mask register.
kord	KORD k1, k2, k3	EVEX	Bitwise OR of 32-bit masks.
korq	KORQ k1, k2, k3	EVEX	Bitwise OR of 64-bit mask registers.
kortestq	KORTESTQ k1, k2	EVEX	ORs 64-bit masks and sets EFLAGS (ZF/CF).
kshiftld	KSHIFTLD k1, k2, imm8	EVEX	Logically shifts 32-bit mask left.
kshiftlq	KSHIFTLQ k1, k2, imm8	EVEX	Logically shifts 64-bit mask left.
kshiftrd	KSHIFTRD k1, k2, imm8	EVEX	Logically shifts 32-bit mask right.
kshiftrq	KSHIFTRQ k1, k2, imm8	EVEX	Logically shifts 64-bit mask right.
ktestd	KTESTD k1, k2	EVEX	ANDs 32-bit masks and sets EFLAGS (ZF/CF).
ktestq	KTESTQ k1, k2	EVEX	ANDs 64-bit masks and sets EFLAGS (ZF/CF).
kunpckdq	KUNPCKDQ k1, k2, k3	EVEX	Interleaves 32-bit masks into 64-bit mask.
kunpckwd	KUNPCKWD k1, k2, k3	EVEX	Interleaves 16-bit masks into 32-bit mask.
kxord	KXORD k1, k2, k3	EVEX	Bitwise XOR of 32-bit masks.
kxorq	KXORQ k1, k2, k3	EVEX	Bitwise XOR of 64-bit masks.
vdbpsadbw	VDBPSADBW zmm1 {k1}, zmm2, zmm3/m512, imm8	EVEX	Computes SAD on 16-bit blocks.
vpcmpb	VPCMPB k1 {k2}, zmm2, zmm3/m512, imm8	EVEX	Compares bytes and stores result in k-register mask.
vpcmpub	VPCMPUB k1 {k2}, zmm2, zmm3/m512, imm8	EVEX	Compares unsigned bytes and stores result in k-register.
vpcmpuw	VPCMPUW k1 {k2}, zmm2, zmm3/m512, imm8	EVEX	Compares unsigned words and stores result in k-register.
vpcmpw	VPCMPW k1 {k2}, zmm2, zmm3/m512, imm8	EVEX	Compares words and stores result in k-register mask.
vpermw	VPERMW zmm1 {k1}, zmm2, zmm3/m512	EVEX	Full permutation of 32 words using indices.
vpmovb2m	VPMOVB2M k1, zmm1	EVEX	Moves byte integer mask from ZMM to k-register.
vpmovm2b	VPMOVM2B zmm1, k1	EVEX	Expands k-register bits to byte elements in ZMM.
vpmovm2w	VPMOVM2W zmm1, k1	EVEX	Expands k-register bits to word elements in ZMM.
vpmovw2m	VPMOVW2M k1, zmm1	EVEX	Moves word integer mask from ZMM to k-register.
vptestmb	VPTESTMB k1 {k2}, zmm2, zmm3/m512	EVEX	Tests byte integers and sets k-register mask.
vptestmw	VPTESTMW k1 {k2}, zmm2, zmm3/m512	EVEX	Tests word integers and sets k-register mask.