https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80481
--- Comment #11 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Uroš Bizjak from comment #10)
.L31:
leaq (%rdx), %rsi
negq %rsi
vpermps (%r9,%rsi), %zmm8, %zmm0
--> vmovaps %zmm0, %zmm1
vmaxps (%r11,%rdx), %zmm3, %zmm0
vfnmadd132ps (%r14,%rdx), %zmm7, %zmm1
vmaxps %zmm1, %zmm0, %zmm0
vmovups %zmm0, 0(%r13,%rdx)
leaq 64(%rdx), %rdx
cmpq %r8, %rdx
jne .L31
> %zmm0 is killed in (insn 860) and thus dead in (insn 1743). (insn 856) could
> simply use %zmm0 as its destination.
_%zmm1_ as its destination.
