Intel® Architecture Instruction Set Extensions Programming Reference

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PSUBB/PSUBW/PSUBD/PSUBQ — Packed Integer Subtract Opcode/ <strong>Instruction</strong> Op/ En 64/32 -bit Mode CPUID Feature Flag Description INSTRUCTION SET REFERENCE 66 0F F8 /r A V/V SSE2 Subtract packed byte integers in xmm2/m128 from xmm1. PSUBB xmm1, xmm2/m128 66 0F F9 /r A V/V SSE2 Subtract packed word integers in xmm2/m128 from xmm1. PSUBW xmm1, xmm2/m128 66 0F FA /r A V/V SSE2 Subtract packed doubleword integers in xmm2/m128 from xmm1. PSUBD xmm1, xmm2/m128 66 0F FB/r A V/V SSE2 Subtract packed quadword integers in xmm2/m128 from xmm1. PSUBQ xmm1, xmm2/m128 VEX.NDS.128.66.0F.WIG F8 /r B V/V AVX Subtract packed byte integers in xmm3/m128 from xmm2. VPSUBB xmm1, xmm2, xmm3/m128 VEX.NDS.128.66.0F.WIG F9 /r B V/V AVX Subtract packed word integers in xmm3/m128 from xmm2. VPSUBW xmm1, xmm2, xmm3/m128 VEX.NDS.128.66.0F.WIG FA /r B V/V AVX Subtract packed doubleword integers in xmm3/m128 from xmm2. VPSUBD xmm1, xmm2, xmm3/m128 VEX.NDS.128.66.0F.WIG FB /r B V/V AVX Subtract packed quadword integers in xmm3/m128 from xmm2. VPSUBQ xmm1, xmm2, xmm3/m128 VEX.NDS.256.66.0F.WIG F8 /r B V/V AVX2 Subtract packed byte integers in ymm3/m256 from ymm2. VPSUBB ymm1, ymm2, ymm3/m256 VEX.NDS.256.66.0F.WIG F9 /r B V/V AVX2 Subtract packed word integers in ymm3/m256 from ymm2. VPSUBW ymm1, ymm2, ymm3/m256 VEX.NDS.256.66.0F.WIG FA /r B V/V AVX2 Subtract packed doubleword integers in ymm3/m256 from ymm2. VPSUBD ymm1, ymm2, ymm3/m256 VEX.NDS.256.66.0F.WIG FB /r B V/V AVX2 Subtract packed quadword integers in ymm3/m256 from ymm2. VPSUBQ ymm1, ymm2, ymm3/m256 Ref. # 319433-014 5-151
INSTRUCTION SET REFERENCE Description <strong>Instruction</strong> Operand Encoding Op/En Operand 1 Operand 2 Operand 3 Operand 4 A ModRM:reg (r, w) ModRM:r/m (r) NA NA B ModRM:reg (w) VEX.vvvv ModRM:r/m (r) NA Subtracts the packed byte, word, doubleword, or quadword integers in the second source operand from the first source operand and stores the result in the destination operand. When a result is too large to be represented in the 8/16/32/64 integer (overflow), the result is wrapped around and the low bits are written to the destination element (that is, the carry is ignored). Note that these instructions can operate on either unsigned or signed (two’s complement notation) integers; however, it does not set bits in the EFLAGS register to indicate overflow and/or a carry. To prevent undetected overflow conditions, software must control the ranges of the values operated on. 128-bit Legacy SSE version: The second source operand is an XMM register or a 128-bit memory location. The first source operand and destination operands are XMM registers. Bits (255:128) of the corresponding YMM destination register remain unchanged. VEX.128 encoded version: The second source operand is an XMM register or a 128-bit memory location. The first source operand and destination operands are XMM registers. Bits (127:128) of the corresponding YMM register are zeroed. VEX.256 encoded version: The second source operand is an YMM register or a 256-bit memory location. The first source operand and destination operands are YMM registers. Operation VPSUBB (VEX.256 encoded version) DEST[7:0] SRC1[7:0]-SRC2[7:0] DEST[15:8] SRC1[15:8]-SRC2[15:8] DEST[23:16] SRC1[23:16]-SRC2[23:16] DEST[31:24] SRC1[31:24]-SRC2[31:24] DEST[39:32] SRC1[39:32]-SRC2[39:32] DEST[47:40] SRC1[47:40]-SRC2[47:40] DEST[55:48] SRC1[55:48]-SRC2[55:48] DEST[63:56] SRC1[63:56]-SRC2[63:56] DEST[71:64] SRC1[71:64]-SRC2[71:64] DEST[79:72] SRC1[79:72]-SRC2[79:72] DEST[87:80] SRC1[87:80]-SRC2[87:80] DEST[95:88] SRC1[95:88]-SRC2[95:88] DEST[103:96] SRC1[103:96]-SRC2[103:96] DEST[111:104] SRC1[111:104]-SRC2[111:104] DEST[119:112] SRC1[119:112]-SRC2[119:112] DEST[127:120] SRC1[127:120]-SRC2[127:120] DEST[135:128] SRC1[135:128]-SRC2[135:128] DEST[143:136] SRC1[143:136]-SRC2[143:136] DEST[151:144] SRC1[151:144]-SRC2[151:144] DEST[159:152] SRC1[159:152]-SRC2[159:152] DEST[167:160] SRC1[167:160]-SRC2[167:160] DEST[175:168] SRC1[175:168]-SRC2[175:168] DEST[183:176] SRC1[183:176]-SRC2[183:176] DEST[191:184] SRC1[191:184]-SRC2[191:184] DEST[199:192] SRC1[199:192]-SRC2[199:192] DEST[207:200] SRC1[207:200]-SRC2[207:200] DEST[215:208] SRC1[215:208]-SRC2[215:208] DEST[223:216] SRC1[223:216]-SRC2[223:216] 5-152 Ref. # 319433-014
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Intel® Architecture Instruction Se
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CONTENTS CHAPTER 1 INTEL® ADVANCED
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PANDN — Logical AND NOT . . . . .
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BZHI — Zero High Bits Starting wi
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TABLES 2-1 Rounding behavior of Zer
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FIGURES Figure 2-1. General Procedu
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INTEL® ADVANCED VECTOR EXTENSIONS
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APPLICATION PROGRAMMING MODEL Prior
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APPLICATION PROGRAMMING MODEL } and
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APPLICATION PROGRAMMING MODEL Scala
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APPLICATION PROGRAMMING MODEL x (mu
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APPLICATION PROGRAMMING MODEL Instr
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APPLICATION PROGRAMMING MODEL Table
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APPLICATION PROGRAMMING MODEL Excep
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APPLICATION PROGRAMMING MODEL 2.7.2
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APPLICATION PROGRAMMING MODEL EAX 3
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APPLICATION PROGRAMMING MODEL • T
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APPLICATION PROGRAMMING MODEL How B
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APPLICATION PROGRAMMING MODEL
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APPLICATION PROGRAMMING MODEL EAX[1
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APPLICATION PROGRAMMING MODEL EBX
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SYSTEM PROGRAMMING MODEL • Verify
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SYSTEM PROGRAMMING MODEL The proces
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SYSTEM PROGRAMMING MODEL 3.3 RESET
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INSTRUCTION FORMAT 4.1.1 VEX and th
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INSTRUCTION FORMAT (Bit Position) 7
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INSTRUCTION FORMAT The VEX.vvvv fie
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INSTRUCTION FORMAT 4.1.8 The Third
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INSTRUCTION FORMAT NOTES: 1. If Mod
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INSTRUCTION SET REFERENCE (V)ADDSD
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INSTRUCTION SET REFERENCE register
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INSTRUCTION SET REFERENCE MPSADBW
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INSTRUCTION SET REFERENCE SRC2_BYTE
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INSTRUCTION SET REFERENCE VMPSADBW
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INSTRUCTION SET REFERENCE DEST[79:6
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INSTRUCTION SET REFERENCE Operation
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INSTRUCTION SET REFERENCE PACKSSWB/
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INSTRUCTION SET REFERENCE PACKUSDW
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INSTRUCTION SET REFERENCE TMP[239:2
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INSTRUCTION SET REFERENCE DEST[119:
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INSTRUCTION SET REFERENCE PADDB/PAD
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INSTRUCTION SET REFERENCE PADDQ (Le
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INSTRUCTION SET REFERENCE PADDSB/PA
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INSTRUCTION SET REFERENCE PADDUSB/P
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INSTRUCTION SET REFERENCE PALIGNR
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INSTRUCTION SET REFERENCE PAND —
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INSTRUCTION SET REFERENCE PANDN —
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INSTRUCTION SET REFERENCE PAVGB/PAV
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INSTRUCTION SET REFERENCE PBLENDVB
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INSTRUCTION SET REFERENCE IF (MASK[
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INSTRUCTION SET REFERENCE PBLENDW
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INSTRUCTION SET REFERENCE ELSE DEST
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INSTRUCTION SET REFERENCE Descripti
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INSTRUCTION SET REFERENCE PCMPEQQ (
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INSTRUCTION SET REFERENCE Descripti
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INSTRUCTION SET REFERENCE Intel C/C
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INSTRUCTION SET REFERENCE PHADDSW
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INSTRUCTION SET REFERENCE PHSUBW/PH
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INSTRUCTION SET REFERENCE PMADDUBSW
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INSTRUCTION SET REFERENCE VPMADDWD
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INSTRUCTION SET REFERENCE VEX.128 e
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INSTRUCTION SET REFERENCE VPMINUD (
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INSTRUCTION SET REFERENCE PMOVMSKB
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INSTRUCTION SET REFERENCE Opcode/ I
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INSTRUCTION SET REFERENCE VPMOVSXWQ
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INSTRUCTION SET REFERENCE PMOVZX
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INSTRUCTION SET REFERENCE Packed_Ze
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INSTRUCTION SET REFERENCE Other Exc
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Page 189 and 190: INSTRUCTION SET REFERENCE PMULHUW
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INSTRUCTION SET REFERENCE VPSRLVD (
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INSTRUCTION SET REFERENCE VGATHERDP
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INSTRUCTION SET REFERENCE VGATHERQP
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INSTRUCTION SET REFERENCE VGATHERDP
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INSTRUCTION SET REFERENCE VGATHERQP
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INSTRUCTION SET REFERENCE VPGATHERD
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INSTRUCTION SET REFERENCE VPGATHERQ
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INSTRUCTION SET REFERENCE VPGATHERD
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INSTRUCTION SET REFERENCE VPGATHERQ
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INSTRUCTION SET REFERENCE This page
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INSTRUCTION SET REFERENCE - FMA VFM
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INSTRUCTION SET REFERENCE - FMA For
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INSTRUCTION SET REFERENCE - FMA sou
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INSTRUCTION SET REFERENCE - FMA Int
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INSTRUCTION SET REFERENCE - FMA the
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INSTRUCTION SET REFERENCE - FMA the
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INSTRUCTION SET REFERENCE - FMA } I
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INSTRUCTION SET REFERENCE - FMA ope
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INSTRUCTION SET REFERENCE - FMA VFN
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INSTRUCTION SET REFERENCE - FMA VEX
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INSTRUCTION SET REFERENCE - FMA VEX
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INSTRUCTION SET REFERENCE - FMA Thi
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INSTRUCTION SET REFERENCE - VEX-ENC
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INTEL® TRANSACTIONAL SYNCHRONIZATI
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ADDITIONAL NEW INSTRUCTIONS -------
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ADDITIONAL NEW INSTRUCTIONS • If
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ADDITIONAL NEW INSTRUCTIONS ADCX
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ADDITIONAL NEW INSTRUCTIONS ADOX
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ADDITIONAL NEW INSTRUCTIONS Compati
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ADDITIONAL NEW INSTRUCTIONS Flags A
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ADDITIONAL NEW INSTRUCTIONS STAC—
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OPCODE MAP D The reg field of the M
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OPCODE MAP • A ModR/M byte is req
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OPCODE MAP A.2.5 Superscripts Utili
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OPCODE MAP Table A-2. One-byte Opco
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OPCODE MAP 0 1 2 3 4 5 6 7 Table A-
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OPCODE MAP 8 9 A B C D E F Table A-
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OPCODE MAP 0 Table A-4. Three-byte
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OPCODE MAP 0 66 1 66 2 66 3 4 66 5
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OPCODE MAP A.4 OPCODE EXTENSIONS FO
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OPCODE MAP Opcode Group Mod 7,6 pfx
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OPCODE MAP Table A-8 shows the map
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OPCODE MAP Table A-20 shows the opc
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OPCODE MAP This page was intentiona
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INSTRUCTION SUMMARY VEX.256 Encodin
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INSTRUCTION SUMMARY Note 3: It is e
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INSTRUCTION SUMMARY Table B-2. Prom
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INSTRUCTION SUMMARY Table B-3. VEX-
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INSTRUCTION SUMMARY Opcode Instruct
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SSE extensions flag . . . . . . . .
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SSE extensions CPUID flag . . . . .
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I-6 Ref. # 319433-014
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Intel® Architecture Instruction Set Extensions Programming Reference

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