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Intel® Architecture Instruction Set Extensions Programming Reference

Intel® Architecture Instruction Set Extensions Programming Reference

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INSTRUCTION SET REFERENCE<br />

PSRAW/PSRAD — Bit Shift Arithmetic Right<br />

Opcode/<br />

<strong>Instruction</strong><br />

Op/<br />

En<br />

64/32<br />

-bit<br />

Mode<br />

CPUID<br />

Feature<br />

Flag<br />

Description<br />

66 0F E1/r B V/V SSE2 Shift words in xmm1 right by amount specified in xmm2/m128<br />

while shifting in sign bits.<br />

PSRAW xmm1, xmm2/m128<br />

66 0F 71 /4 ib A V/V SSE2 Shift words in xmm1 right by imm8 while shifting in sign bits.<br />

PSRAW xmm1, imm8<br />

66 0F E2 /r B V/V SSE2 Shift doublewords in xmm1 right by amount specified in<br />

xmm2/m128 while shifting in sign bits.<br />

PSRAD xmm1, xmm2/m128<br />

66 0F 72 /4 ib A V/V SSE2 Shift doublewords in xmm1 right by imm8 while shifting in sign<br />

bits.<br />

PSRAD xmm1, imm8<br />

VEX.NDS.128.66.0F.WIG E1 /r D V/V AVX Shift words in xmm2 right by amount specified in xmm3/m128<br />

while shifting in sign bits.<br />

VPSRAW xmm1, xmm2,<br />

xmm3/m128<br />

VEX.NDD.128.66.0F.WIG 71 /4 ib C V/V AVX Shift words in xmm2 right by imm8 while shifting in sign bits.<br />

VPSRAW xmm1, xmm2, imm8<br />

VEX.NDS.128.66.0F.WIG E2 /r D V/V AVX Shift doublewords in xmm2 right by amount specified in<br />

xmm3/m128 while shifting in sign bits.<br />

VPSRAD xmm1, xmm2,<br />

xmm3/m128<br />

VEX.NDD.128.66.0F.WIG 72 /4 ib C V/V AVX Shift doublewords in xmm2 right by imm8 while shifting in sign<br />

bits.<br />

VPSRAD xmm1, xmm2, imm8<br />

VEX.NDS.256.66.0F.WIG E1 /r D V/V AVX2 Shift words in ymm2 right by amount specified in xmm3/m128<br />

while shifting in sign bits.<br />

VPSRAW ymm1, ymm2,<br />

xmm3/m128<br />

VEX.NDD.256.66.0F.WIG 71 /4 ib C V/V AVX2 Shift words in ymm2 right by imm8 while shifting in sign bits.<br />

VPSRAW ymm1, ymm2, imm8<br />

VEX.NDS.256.66.0F.WIG E2 /r D V/V AVX2 Shift doublewords in ymm2 right by amount specified in<br />

xmm3/m128 while shifting in sign bits.<br />

VPSRAD ymm1, ymm2,<br />

xmm3/m128<br />

VEX.NDD.256.66.0F.WIG 72 /4 ib C V/V AVX2 Shift doublewords in ymm2 right by imm8 while shifting in sign<br />

bits.<br />

VPSRAD ymm1, ymm2, imm8<br />

<strong>Instruction</strong> Operand Encoding<br />

Op/En Operand 1 Operand 2 Operand 3 Operand 4<br />

A ModRM:r/m (r, w) NA NA NA<br />

B ModRM:reg (w) ModRM:r/m (r) NA NA<br />

C VEX.vvvv (w) ModRM:r/m (R) NA NA<br />

D ModRM:reg (w) VEX.vvvv (r) ModRM:r/m (r) NA<br />

5-140 Ref. # 319433-014

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