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The VPCMP instructions are controlled by an immediate byte, but there is also a set of SSE-derived legacy opcodes for VPCMPEQ and VPCMPGT. For the specific cases of VPCMPEQ and VPCMPGT, prefer those opcodes since they are one byte shorter. Reported-by: ig <glucksmann@avast.com> Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
28 lines
663 B
NASM
28 lines
663 B
NASM
bits 64
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vpcmpeqb k2{k2},zmm0,zmm1
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vpcmpgtb k2{k2},zmm0,zmm1
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vpcmpeqw k2{k2},zmm0,zmm1
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vpcmpgtw k2{k2},zmm0,zmm1
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vpcmpeqd k2{k2},zmm0,zmm1
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vpcmpgtd k2{k2},zmm0,zmm1
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vpcmpeqq k2{k2},zmm0,zmm1
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vpcmpgtq k2{k2},zmm0,zmm1
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vpcmpb k2{k2},zmm0,zmm1,0
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vpcmpb k2{k2},zmm0,zmm1,6
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vpcmpw k2{k2},zmm0,zmm1,0
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vpcmpw k2{k2},zmm0,zmm1,6
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vpcmpd k2{k2},zmm0,zmm1,0
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vpcmpd k2{k2},zmm0,zmm1,6
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vpcmpq k2{k2},zmm0,zmm1,0
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vpcmpq k2{k2},zmm0,zmm1,6
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vpcmpneqb k2{k2},zmm0,zmm1
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vpcmpleb k2{k2},zmm0,zmm1
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vpcmpneqw k2{k2},zmm0,zmm1
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vpcmplew k2{k2},zmm0,zmm1
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vpcmpneqd k2{k2},zmm0,zmm1
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vpcmpled k2{k2},zmm0,zmm1
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vpcmpneqq k2{k2},zmm0,zmm1
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vpcmpleq k2{k2},zmm0,zmm1
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