x86 Instructions

957 instructions - showing 100 per page, page 8 of 10 - click any row to view encoding, pseudocode, and full documentation.

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Intrinsics → By extension → 100 instructions
Mnemonic ⇅ Syntax Format ⇅ Extension ⇅ Summary
vcvtpd2udq VCVTPD2UDQ ymm1 {k1}, zmm2/m512 EVEX AVX-512F Converts 64-bit doubles to unsigned 32-bit integers.
vcvtpd2uqq VCVTPD2UQ zmm1 {k1}, zmm2/m512 EVEX AVX-512F Converts 64-bit doubles to unsigned 64-bit integers.
vcvtph2ps VCVTPH2PS xmm1, xmm2/m64 VEX F16C Converts half-precision floats to single-precision.
vcvtps2dq VCVTPS2DQ ymm1, ymm2/m256 VEX AVX Converts four floats to 32-bit integers (Rounded).
vcvtps2ph VCVTPS2PH xmm1/m64, xmm2, imm8 VEX F16C Converts single-precision floats to half-precision.
vcvtps2udq VCVTPS2UDQ zmm1 {k1}, zmm2/m512 EVEX AVX-512F Converts 32-bit floats to unsigned 32-bit integers.
vcvtps2uqq VCVTPS2UQ zmm1 {k1}, ymm2/m256 EVEX AVX-512F Converts 32-bit floats to unsigned 64-bit integers.
vcvttps2dq VCVTTPS2DQ ymm1, ymm2/m256 VEX AVX Converts four floats to 32-bit integers (Truncated).
vcvtudq2pd VCVTUDQ2PD zmm1 {k1}, ymm2/m256 EVEX AVX-512F Converts unsigned 32-bit integers to 64-bit doubles.
vcvtudq2ps VCVTUDQ2PS zmm1 {k1}, zmm2/m512 EVEX AVX-512F Converts unsigned int32 to float.
vcvtuqq2pd VCVTUQQ2PD zmm1 {k1}, zmm2/m512 EVEX AVX-512DQ Converts unsigned 64-bit integers to 64-bit doubles.
vcvtuqq2ps VCVTUQQ2PS ymm1 {k1}, zmm2/m512 EVEX AVX-512DQ Converts unsigned 64-bit integers to 32-bit floats.
vdbpsadbw VDBPSADBW zmm1 {k1}, zmm2, zmm3/m512, imm8 EVEX AVX-512BW Computes SAD on 16-bit blocks.
vdivph VDIVPH zmm1 {k1}, zmm2, zmm3/m512 EVEX AVX-512-FP16 Divides half-precision floating-point values.
vdivsh VDIVSH xmm1 {k1}, xmm2, xmm3/m16 EVEX AVX-512-FP16 Divides low FP16 value.
vdpbf16ps VDPBF16PS zmm1 {k1}, zmm2, zmm3/m512 EVEX AVX-512-BF16 BFloat16 dot product accumulating to Float32.
verr VERR r/m16 System System Checks if segment can be read; sets ZF.
verw VERW r/m16 System System Checks if segment can be written; sets ZF.
vexpandpd VEXPANDPD zmm1 {k1}, m512 EVEX AVX-512F Expands data from memory into sparse locations in ZMM.
vexpandps VEXPANDPS zmm1 {k1}, m512 EVEX AVX-512F Expands data from memory into sparse locations in ZMM.
vextractf128 VEXTRACTF128 xmm1/m128, ymm2, imm8 VEX AVX Extracts 128-bits from YMM register.
vextracti128 VEXTRACTI128 xmm1/m128, ymm2, imm8 VEX AVX2 Extracts 128-bits of integer data from YMM.
vfcmaddcph VFCMADDCPH zmm1 {k1}, zmm2, zmm3/m512 EVEX AVX-512-FP16 Complex conjugate multiply-add for half-precision.
vfixupimmpd VFIXUPIMMPD zmm1 {k1}, zmm2, zmm3/m512, imm8 EVEX AVX-512F Fixes special cases (NaN, Inf) using a table.
vfixupimmps VFIXUPIMMPS zmm1 {k1}, zmm2, zmm3/m512, imm8 EVEX AVX-512F Fixes special cases (NaN, Inf) using a table (Float32).
vfixupimmss VFIXUPIMMSS xmm1 {k1}, xmm2, xmm3/m32, imm8 EVEX AVX-512F Fixes special cases (NaN, Inf) in low float using table.
vfmadd132ph VFMADD132PH zmm1 {k1}, zmm2, zmm3/m512 EVEX AVX-512-FP16 Computes (Dest * Src2) + Src1 in half-precision.
vfmadd132ps VFMADD132PS ymm1, ymm2, ymm3/m256 VEX FMA3 Computes (Dest * Src2) + Src1.
vfmadd132sh VFMADD132SH xmm1 {k1}, xmm2, xmm3/m16 EVEX AVX-512-FP16 Scalar FMA (Dest * Src2 + Src1) for FP16.
vfmadd132ss VFMADD132SS xmm1, xmm2, xmm3/m32 FMA3 FMA3 Scalar FMA: Dest = (Dest * Src2) + Src1.
vfmadd213ph VFMADD213PH zmm1 {k1}, zmm2, zmm3/m512 EVEX AVX-512-FP16 Computes (Src1 * Dest) + Src2 in half-precision.
vfmadd213ps VFMADD213PS ymm1, ymm2, ymm3/m256 VEX FMA3 Computes (Src1 * Dest) + Src2.
vfmadd213ss VFMADD213SS xmm1, xmm2, xmm3/m32 FMA3 FMA3 Scalar FMA: Dest = (Src1 * Dest) + Src2.
vfmadd231ph VFMADD231PH zmm1 {k1}, zmm2, zmm3/m512 EVEX AVX-512-FP16 Computes (Src1 * Src2) + Dest in half-precision.
vfmadd231ps VFMADD231PS ymm1, ymm2, ymm3/m256 VEX FMA3 Computes (Dest * Src2) + Src1.
vfmadd231ss VFMADD231SS xmm1, xmm2, xmm3/m32 FMA3 FMA3 Scalar FMA: Dest = (Src1 * Src2) + Dest.
vfmaddcph VFMADDCPH zmm1 {k1}, zmm2, zmm3/m512 EVEX AVX-512-FP16 Complex multiply-add for half-precision.
vfmaddcsh VFMADDCSH xmm1 {k1}, xmm2, xmm3/m32 EVEX AVX-512-FP16 Complex multiply-add for scalar half-precision.
vfmsub132ps VFMSUB132PS ymm1, ymm2, ymm3/m256 VEX FMA3 Computes (Dest * Src2) - Src1.
vfnmadd132ps VFNMADD132PS ymm1, ymm2, ymm3/m256 VEX FMA3 Computes -(Dest * Src2) + Src1.
vfpclasspd VFPCLASSPD k1 {k2}, zmm2/m512, imm8 EVEX AVX-512DQ Tests for category (NaN, Inf, Denormal) for doubles.
vfpclassps VFPCLASSPS k1 {k2}, zmm2/m512, imm8 EVEX AVX-512DQ Tests for category (NaN, Inf, Denormal) for floats.
vgatherdpd VGATHERDPD ymm1, [base+xmm_idx*scale], ymm_mask VEX AVX2 Loads doubles from non-contiguous memory using indices.
vgatherdps VGATHERDPS ymm1, [base+ymm_idx*scale], ymm_mask VEX AVX2 Loads floats from non-contiguous memory using indices.
vgatherpf0dpd VGATHERPF0DPD {k1}, [base+ymm_idx] EVEX AVX-512PF Prefetches doubles to L1 cache using indices.
vgatherpf0dps VGATHERPF0DPS {k1}, [base+zmm_idx] EVEX AVX-512PF Prefetches floats to L1 cache using indices.
vgatherpf0qpd VGATHERPF0QPD {k1}, [base+zmm_idx] EVEX AVX-512PF Prefetches doubles to L1 using 64-bit indices.
vgatherpf0qps VGATHERPF0QPS {k1}, [base+zmm_idx] EVEX AVX-512PF Prefetches floats to L1 using 64-bit indices.
vgetexppd VGETEXPPD zmm1 {k1}, zmm2/m512 EVEX AVX-512F Extracts exponents from doubles as float values.
vgetexpss VGETEXPSS xmm1 {k1}, xmm2, xmm3/m32 EVEX AVX-512F Extracts exponent from low float.
vgetmantpd VGETMANTPD zmm1 {k1}, zmm2/m512, imm8 EVEX AVX-512F Extracts mantissas from doubles.
vgetmantsd VGETMANTSD xmm1 {k1}, xmm2, xmm3/m64, imm8 EVEX AVX-512F Extracts mantissa from low double.
vinsertf128 VINSERTF128 ymm1, ymm2, xmm3/m128, imm8 VEX AVX Inserts 128-bits into a YMM register.
vinserti128 VINSERTI128 ymm1, ymm2, xmm3/m128, imm8 VEX AVX2 Inserts 128-bits of integer data into a YMM register.
vmaskmovpd VMASKMOVPD ymm1, ymm2, m256 VEX AVX Conditionally loads/stores doubles based on mask.
vmaskmovps VMASKMOVPS ymm1, ymm2, m256 VEX AVX Conditionally loads/stores floats based on mask.
vmaxph VMAXPH zmm1 {k1}, zmm2, zmm3/m512 EVEX AVX-512-FP16 Maximum of half-precision values.
vmcall VMCALL VMX VMX Guest VM calls the Hypervisor (VM Exit).
vmclear VMCLEAR m64 VMX VMX Initializes a VMCS region in memory.
vmfunc VMFUNC VMX VMX Invoke VM function specified in EAX.
vminph VMINPH zmm1 {k1}, zmm2, zmm3/m512 EVEX AVX-512-FP16 Minimum of half-precision values.
vmlaunch VMLAUNCH VMX VMX Launches a VM managed by the current VMCS.
vmload VMLOAD SVM SVM Loads processor state from VMCB (AMD SVM).
vmptrld VMPTRLD m64 VMX VMX Loads the current VMCS pointer from memory.
vmptrst VMPTRST m64 VMX VMX Stores the current VMCS pointer to memory.
vmread VMREAD r/m64, r64 VMX VMX Reads a field from the Virtual Machine Control Structure.
vmresume VMRESUME VMX VMX Resumes a VM from the current VMCS.
vmrun VMRUN SVM SVM Switch to guest VM (AMD SVM).
vmsave VMSAVE SVM SVM Saves processor state to VMCB (AMD SVM).
vmulph VMULPH zmm1 {k1}, zmm2, zmm3/m512 EVEX AVX-512-FP16 Multiplies half-precision floating-point values.
vmulps VMULPS ymm1, ymm2, ymm3/m256 VEX AVX Multiplies packed floats (256-bit).
vmulsh VMULSH xmm1 {k1}, xmm2, xmm3/m16 EVEX AVX-512-FP16 Multiplies low FP16 value.
vmulss VMULSS xmm1 {k1}, xmm2, xmm3/m32 EVEX AVX-512F Multiplies scalar single precision (EVEX encoded with masking).
vmwrite VMWRITE r64, r/m64 VMX VMX Writes a field to the Virtual Machine Control Structure.
vmxoff VMXOFF VMX VMX Leaves VMX root operation.
vmxon VMXON m64 VMX VMX Enters VMX root operation (Host Mode).
vp2intersectd VP2INTERSECTD k1+1, zmm2, zmm3/m512 EVEX AVX-512-VP2INTERSECT Computes intersection of two ZMM registers into mask pair.
vp2intersectq VP2INTERSECTQ k1+1, zmm2, zmm3/m512 EVEX AVX-512-VP2INTERSECT Computes intersection of two ZMM registers into mask pair.
vp4dpwssd VP4DPWSSD zmm1 {k1}, zmm2+3, m128 EVEX AVX-512-4VNNIW Neural Net 4-way dot product.
vp4dpwssds VP4DPWSSDS zmm1 {k1}, zmm2+3, m128 EVEX AVX-512-4VNNIW Neural Net 4-way dot product with saturation.
vpabsd VPABSD zmm1 {k1}, zmm2/m512 EVEX AVX-512F Computes absolute value of 32-bit integers.
vpabsq VPABSQ zmm1 {k1}, zmm2/m512 EVEX AVX-512F Computes absolute value of 64-bit integers.
vpaddb VPADDB ymm1, ymm2, ymm3/m256 VEX AVX2 Adds 32 bytes (256-bit).
vpaddd VPADDD ymm1, ymm2, ymm3/m256 VEX AVX2 Adds 8 integers (256-bit).
vpbroadcastb VPBROADCASTB ymm1, xmm2/m8 VEX AVX2 Broadcasts a byte from memory/register to all elements of YMM.
vpbroadcastd VPBROADCASTD ymm1, xmm2/m32 AVX2 AVX2 Loads one integer and replicates it to all YMM elements.
vpbroadcastq VPBROADCASTQ ymm1, xmm2/m64 VEX AVX2 Broadcasts a quadword to all elements of YMM.
vpbroadcastw VPBROADCASTW ymm1, xmm2/m16 VEX AVX2 Broadcasts a word to all elements of YMM.
vpclmulqdq VPCLMULQDQ zmm1, zmm2, zmm3/m512, imm8 EVEX AVX-512-VPCLMULQDQ Carry-less multiply on 512-bit vector.
vpcmov VPCMOV xmm1, xmm2, xmm3, xmm4 XOP XOP Bitwise conditional move based on selector.
vpcmpb VPCMPB k1 {k2}, zmm2, zmm3/m512, imm8 EVEX AVX-512BW Compares bytes and stores result in k-register mask.
vpcmpd VPCMPD k1 {k2}, zmm2, zmm3/m512, imm8 EVEX AVX-512F Compares doublewords and stores result in k-register mask.
vpcmpq VPCMPQ k1 {k2}, zmm2, zmm3/m512, imm8 EVEX AVX-512F Compares quadwords and stores result in k-register mask.
vpcmpub VPCMPUB k1 {k2}, zmm2, zmm3/m512, imm8 EVEX AVX-512BW Compares unsigned bytes and stores result in k-register.
vpcmpud VPCMPUD k1 {k2}, zmm2, zmm3/m512, imm8 EVEX AVX-512F Compares unsigned doublewords and stores result in k-register.
vpcmpuq VPCMPUQ k1 {k2}, zmm2, zmm3/m512, imm8 EVEX AVX-512F Compares unsigned quadwords and stores result in k-register.
vpcmpuw VPCMPUW k1 {k2}, zmm2, zmm3/m512, imm8 EVEX AVX-512BW Compares unsigned words and stores result in k-register.
vpcmpw VPCMPW k1 {k2}, zmm2, zmm3/m512, imm8 EVEX AVX-512BW Compares words and stores result in k-register mask.
vpcomb VPCOMB xmm1, xmm2, xmm3/m128, imm8 XOP XOP Compares bytes using immediate condition.
vpcompressb VPCOMPRESSB m512 {k1}, zmm1 EVEX AVX-512-VBMI2 Compresses active bytes from ZMM to memory.