resources-mmx.s
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# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=skylake-avx512 -instruction-tables < %s | FileCheck %s
emms
movd %eax, %mm2
movd (%rax), %mm2
movd %mm0, %ecx
movd %mm0, (%rax)
movq %rax, %mm2
movq (%rax), %mm2
movq %mm0, %rcx
movq %mm0, (%rax)
packsswb %mm0, %mm2
packsswb (%rax), %mm2
packssdw %mm0, %mm2
packssdw (%rax), %mm2
packuswb %mm0, %mm2
packuswb (%rax), %mm2
paddb %mm0, %mm2
paddb (%rax), %mm2
paddd %mm0, %mm2
paddd (%rax), %mm2
paddsb %mm0, %mm2
paddsb (%rax), %mm2
paddsw %mm0, %mm2
paddsw (%rax), %mm2
paddusb %mm0, %mm2
paddusb (%rax), %mm2
paddusw %mm0, %mm2
paddusw (%rax), %mm2
paddw %mm0, %mm2
paddw (%rax), %mm2
pand %mm0, %mm2
pand (%rax), %mm2
pandn %mm0, %mm2
pandn (%rax), %mm2
pcmpeqb %mm0, %mm2
pcmpeqb (%rax), %mm2
pcmpeqd %mm0, %mm2
pcmpeqd (%rax), %mm2
pcmpeqw %mm0, %mm2
pcmpeqw (%rax), %mm2
pcmpgtb %mm0, %mm2
pcmpgtb (%rax), %mm2
pcmpgtd %mm0, %mm2
pcmpgtd (%rax), %mm2
pcmpgtw %mm0, %mm2
pcmpgtw (%rax), %mm2
pmaddwd %mm0, %mm2
pmaddwd (%rax), %mm2
pmulhw %mm0, %mm2
pmulhw (%rax), %mm2
pmullw %mm0, %mm2
pmullw (%rax), %mm2
por %mm0, %mm2
por (%rax), %mm2
pslld $1, %mm2
pslld %mm0, %mm2
pslld (%rax), %mm2
psllq $1, %mm2
psllq %mm0, %mm2
psllq (%rax), %mm2
psllw $1, %mm2
psllw %mm0, %mm2
psllw (%rax), %mm2
psrad $1, %mm2
psrad %mm0, %mm2
psrad (%rax), %mm2
psraw $1, %mm2
psraw %mm0, %mm2
psraw (%rax), %mm2
psrld $1, %mm2
psrld %mm0, %mm2
psrld (%rax), %mm2
psrlq $1, %mm2
psrlq %mm0, %mm2
psrlq (%rax), %mm2
psrlw $1, %mm2
psrlw %mm0, %mm2
psrlw (%rax), %mm2
psubb %mm0, %mm2
psubb (%rax), %mm2
psubd %mm0, %mm2
psubd (%rax), %mm2
psubsb %mm0, %mm2
psubsb (%rax), %mm2
psubsw %mm0, %mm2
psubsw (%rax), %mm2
psubusb %mm0, %mm2
psubusb (%rax), %mm2
psubusw %mm0, %mm2
psubusw (%rax), %mm2
psubw %mm0, %mm2
psubw (%rax), %mm2
punpckhbw %mm0, %mm2
punpckhbw (%rax), %mm2
punpckhdq %mm0, %mm2
punpckhdq (%rax), %mm2
punpckhwd %mm0, %mm2
punpckhwd (%rax), %mm2
punpcklbw %mm0, %mm2
punpcklbw (%rax), %mm2
punpckldq %mm0, %mm2
punpckldq (%rax), %mm2
punpcklwd %mm0, %mm2
punpcklwd (%rax), %mm2
pxor %mm0, %mm2
pxor (%rax), %mm2
# CHECK: Instruction Info:
# CHECK-NEXT: [1]: #uOps
# CHECK-NEXT: [2]: Latency
# CHECK-NEXT: [3]: RThroughput
# CHECK-NEXT: [4]: MayLoad
# CHECK-NEXT: [5]: MayStore
# CHECK-NEXT: [6]: HasSideEffects (U)
# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
# CHECK-NEXT: 10 10 4.50 * * U emms
# CHECK-NEXT: 1 1 1.00 movd %eax, %mm2
# CHECK-NEXT: 1 5 0.50 * movd (%rax), %mm2
# CHECK-NEXT: 1 2 1.00 movd %mm0, %ecx
# CHECK-NEXT: 2 1 1.00 * U movd %mm0, (%rax)
# CHECK-NEXT: 1 1 1.00 movq %rax, %mm2
# CHECK-NEXT: 1 5 0.50 * movq (%rax), %mm2
# CHECK-NEXT: 1 2 1.00 movq %mm0, %rcx
# CHECK-NEXT: 2 1 1.00 * movq %mm0, (%rax)
# CHECK-NEXT: 3 3 2.00 packsswb %mm0, %mm2
# CHECK-NEXT: 3 7 2.00 * packsswb (%rax), %mm2
# CHECK-NEXT: 3 3 2.00 packssdw %mm0, %mm2
# CHECK-NEXT: 3 7 2.00 * packssdw (%rax), %mm2
# CHECK-NEXT: 3 3 2.00 packuswb %mm0, %mm2
# CHECK-NEXT: 3 7 2.00 * packuswb (%rax), %mm2
# CHECK-NEXT: 1 1 0.50 paddb %mm0, %mm2
# CHECK-NEXT: 2 6 0.50 * paddb (%rax), %mm2
# CHECK-NEXT: 1 1 0.50 paddd %mm0, %mm2
# CHECK-NEXT: 2 6 0.50 * paddd (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 paddsb %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * paddsb (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 paddsw %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * paddsw (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 paddusb %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * paddusb (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 paddusw %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * paddusw (%rax), %mm2
# CHECK-NEXT: 1 1 0.50 paddw %mm0, %mm2
# CHECK-NEXT: 2 6 0.50 * paddw (%rax), %mm2
# CHECK-NEXT: 1 1 0.50 pand %mm0, %mm2
# CHECK-NEXT: 2 6 0.50 * pand (%rax), %mm2
# CHECK-NEXT: 1 1 0.50 pandn %mm0, %mm2
# CHECK-NEXT: 2 6 0.50 * pandn (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 pcmpeqb %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * pcmpeqb (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 pcmpeqd %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * pcmpeqd (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 pcmpeqw %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * pcmpeqw (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 pcmpgtb %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * pcmpgtb (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 pcmpgtd %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * pcmpgtd (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 pcmpgtw %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * pcmpgtw (%rax), %mm2
# CHECK-NEXT: 1 5 1.00 pmaddwd %mm0, %mm2
# CHECK-NEXT: 2 10 1.00 * pmaddwd (%rax), %mm2
# CHECK-NEXT: 1 5 1.00 pmulhw %mm0, %mm2
# CHECK-NEXT: 2 10 1.00 * pmulhw (%rax), %mm2
# CHECK-NEXT: 1 5 1.00 pmullw %mm0, %mm2
# CHECK-NEXT: 2 10 1.00 * pmullw (%rax), %mm2
# CHECK-NEXT: 1 1 0.50 por %mm0, %mm2
# CHECK-NEXT: 2 6 0.50 * por (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 pslld $1, %mm2
# CHECK-NEXT: 1 1 1.00 pslld %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * pslld (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 psllq $1, %mm2
# CHECK-NEXT: 1 1 1.00 psllq %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * psllq (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 psllw $1, %mm2
# CHECK-NEXT: 1 1 1.00 psllw %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * psllw (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 psrad $1, %mm2
# CHECK-NEXT: 1 1 1.00 psrad %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * psrad (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 psraw $1, %mm2
# CHECK-NEXT: 1 1 1.00 psraw %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * psraw (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 psrld $1, %mm2
# CHECK-NEXT: 1 1 1.00 psrld %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * psrld (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 psrlq $1, %mm2
# CHECK-NEXT: 1 1 1.00 psrlq %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * psrlq (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 psrlw $1, %mm2
# CHECK-NEXT: 1 1 1.00 psrlw %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * psrlw (%rax), %mm2
# CHECK-NEXT: 1 1 0.50 psubb %mm0, %mm2
# CHECK-NEXT: 2 6 0.50 * psubb (%rax), %mm2
# CHECK-NEXT: 1 1 0.50 psubd %mm0, %mm2
# CHECK-NEXT: 2 6 0.50 * psubd (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 psubsb %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * psubsb (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 psubsw %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * psubsw (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 psubusb %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * psubusb (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 psubusw %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * psubusw (%rax), %mm2
# CHECK-NEXT: 1 1 0.50 psubw %mm0, %mm2
# CHECK-NEXT: 2 6 0.50 * psubw (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 punpckhbw %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * punpckhbw (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 punpckhdq %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * punpckhdq (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 punpckhwd %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * punpckhwd (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 punpcklbw %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * punpcklbw (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 punpckldq %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * punpckldq (%rax), %mm2
# CHECK-NEXT: 1 1 1.00 punpcklwd %mm0, %mm2
# CHECK-NEXT: 2 6 1.00 * punpcklwd (%rax), %mm2
# CHECK-NEXT: 1 1 0.50 pxor %mm0, %mm2
# CHECK-NEXT: 2 6 0.50 * pxor (%rax), %mm2
# CHECK: Resources:
# CHECK-NEXT: [0] - SKXDivider
# CHECK-NEXT: [1] - SKXFPDivider
# CHECK-NEXT: [2] - SKXPort0
# CHECK-NEXT: [3] - SKXPort1
# CHECK-NEXT: [4] - SKXPort2
# CHECK-NEXT: [5] - SKXPort3
# CHECK-NEXT: [6] - SKXPort4
# CHECK-NEXT: [7] - SKXPort5
# CHECK-NEXT: [8] - SKXPort6
# CHECK-NEXT: [9] - SKXPort7
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
# CHECK-NEXT: - - 75.50 1.00 23.67 23.67 2.00 41.50 1.00 0.67
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
# CHECK-NEXT: - - 4.75 0.25 - - - 4.75 0.25 - emms
# CHECK-NEXT: - - - - - - - 1.00 - - movd %eax, %mm2
# CHECK-NEXT: - - - - 0.50 0.50 - - - - movd (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - movd %mm0, %ecx
# CHECK-NEXT: - - - - 0.33 0.33 1.00 - - 0.33 movd %mm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 - - movq %rax, %mm2
# CHECK-NEXT: - - - - 0.50 0.50 - - - - movq (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - movq %mm0, %rcx
# CHECK-NEXT: - - - - 0.33 0.33 1.00 - - 0.33 movq %mm0, (%rax)
# CHECK-NEXT: - - 0.25 0.25 - - - 2.25 0.25 - packsswb %mm0, %mm2
# CHECK-NEXT: - - - - 0.50 0.50 - 2.00 - - packsswb (%rax), %mm2
# CHECK-NEXT: - - 0.25 0.25 - - - 2.25 0.25 - packssdw %mm0, %mm2
# CHECK-NEXT: - - - - 0.50 0.50 - 2.00 - - packssdw (%rax), %mm2
# CHECK-NEXT: - - 0.25 0.25 - - - 2.25 0.25 - packuswb %mm0, %mm2
# CHECK-NEXT: - - - - 0.50 0.50 - 2.00 - - packuswb (%rax), %mm2
# CHECK-NEXT: - - 0.50 - - - - 0.50 - - paddb %mm0, %mm2
# CHECK-NEXT: - - 0.50 - 0.50 0.50 - 0.50 - - paddb (%rax), %mm2
# CHECK-NEXT: - - 0.50 - - - - 0.50 - - paddd %mm0, %mm2
# CHECK-NEXT: - - 0.50 - 0.50 0.50 - 0.50 - - paddd (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - paddsb %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - paddsb (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - paddsw %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - paddsw (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - paddusb %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - paddusb (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - paddusw %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - paddusw (%rax), %mm2
# CHECK-NEXT: - - 0.50 - - - - 0.50 - - paddw %mm0, %mm2
# CHECK-NEXT: - - 0.50 - 0.50 0.50 - 0.50 - - paddw (%rax), %mm2
# CHECK-NEXT: - - 0.50 - - - - 0.50 - - pand %mm0, %mm2
# CHECK-NEXT: - - 0.50 - 0.50 0.50 - 0.50 - - pand (%rax), %mm2
# CHECK-NEXT: - - 0.50 - - - - 0.50 - - pandn %mm0, %mm2
# CHECK-NEXT: - - 0.50 - 0.50 0.50 - 0.50 - - pandn (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - pcmpeqb %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - pcmpeqb (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - pcmpeqd %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - pcmpeqd (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - pcmpeqw %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - pcmpeqw (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - pcmpgtb %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - pcmpgtb (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - pcmpgtd %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - pcmpgtd (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - pcmpgtw %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - pcmpgtw (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - pmaddwd %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - pmaddwd (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - pmulhw %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - pmulhw (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - pmullw %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - pmullw (%rax), %mm2
# CHECK-NEXT: - - 0.50 - - - - 0.50 - - por %mm0, %mm2
# CHECK-NEXT: - - 0.50 - 0.50 0.50 - 0.50 - - por (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - pslld $1, %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - pslld %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - pslld (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psllq $1, %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psllq %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - psllq (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psllw $1, %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psllw %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - psllw (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psrad $1, %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psrad %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - psrad (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psraw $1, %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psraw %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - psraw (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psrld $1, %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psrld %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - psrld (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psrlq $1, %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psrlq %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - psrlq (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psrlw $1, %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psrlw %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - psrlw (%rax), %mm2
# CHECK-NEXT: - - 0.50 - - - - 0.50 - - psubb %mm0, %mm2
# CHECK-NEXT: - - 0.50 - 0.50 0.50 - 0.50 - - psubb (%rax), %mm2
# CHECK-NEXT: - - 0.50 - - - - 0.50 - - psubd %mm0, %mm2
# CHECK-NEXT: - - 0.50 - 0.50 0.50 - 0.50 - - psubd (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psubsb %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - psubsb (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psubsw %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - psubsw (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psubusb %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - psubusb (%rax), %mm2
# CHECK-NEXT: - - 1.00 - - - - - - - psubusw %mm0, %mm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - psubusw (%rax), %mm2
# CHECK-NEXT: - - 0.50 - - - - 0.50 - - psubw %mm0, %mm2
# CHECK-NEXT: - - 0.50 - 0.50 0.50 - 0.50 - - psubw (%rax), %mm2
# CHECK-NEXT: - - - - - - - 1.00 - - punpckhbw %mm0, %mm2
# CHECK-NEXT: - - - - 0.50 0.50 - 1.00 - - punpckhbw (%rax), %mm2
# CHECK-NEXT: - - - - - - - 1.00 - - punpckhdq %mm0, %mm2
# CHECK-NEXT: - - - - 0.50 0.50 - 1.00 - - punpckhdq (%rax), %mm2
# CHECK-NEXT: - - - - - - - 1.00 - - punpckhwd %mm0, %mm2
# CHECK-NEXT: - - - - 0.50 0.50 - 1.00 - - punpckhwd (%rax), %mm2
# CHECK-NEXT: - - - - - - - 1.00 - - punpcklbw %mm0, %mm2
# CHECK-NEXT: - - - - 0.50 0.50 - 1.00 - - punpcklbw (%rax), %mm2
# CHECK-NEXT: - - - - - - - 1.00 - - punpckldq %mm0, %mm2
# CHECK-NEXT: - - - - 0.50 0.50 - 1.00 - - punpckldq (%rax), %mm2
# CHECK-NEXT: - - - - - - - 1.00 - - punpcklwd %mm0, %mm2
# CHECK-NEXT: - - - - 0.50 0.50 - 1.00 - - punpcklwd (%rax), %mm2
# CHECK-NEXT: - - 0.50 - - - - 0.50 - - pxor %mm0, %mm2
# CHECK-NEXT: - - 0.50 - 0.50 0.50 - 0.50 - - pxor (%rax), %mm2