https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117192
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
before is before r15-4397-g70f59d2a1c51bd
--- before.s 2024-10-17 20:17:06.172435278 +0000
+++ after.s 2024-10-17 20:15:24.703424849 +0000
@@ -15,21 +15,21 @@ main:
movl c(%rip), %eax
movl a(%rip), %esi
movl $6, d(%rip)
- movq 16(%rsp), %xmm2
+ movq 16(%rsp), %xmm1
testl %eax, %eax
sete %dl
cmpl $5, b(%rip)
jg .L3
movzbl %dl, %eax
- pxor %xmm1, %xmm1
+ pxor %xmm2, %xmm2
movl $6, b(%rip)
negl %eax
movd %eax, %xmm3
pshufd $0xe0, %xmm3, %xmm0
- pcmpeqd %xmm1, %xmm0
- pcmpeqd %xmm1, %xmm0
- pandn %xmm2, %xmm0
- pshufd $0xe5, %xmm0, %xmm4
+ pcmpeqd %xmm2, %xmm0
+ pcmpeqd %xmm2, %xmm0
+ pandn %xmm0, %xmm1
+ pshufd $0xe5, %xmm1, %xmm4
movd %xmm4, %esi
movd %xmm4, a(%rip)
.L3:
The andn is swapped.
