https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47582
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
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CC| |hjl.tools at gmail dot com
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Tony from comment #4)
> Retesting this with gcc 7.1.1 20170622 (Red Hat 7.1.1-3) shows that the
> mov's are still not being combined, even though dependency #23684 is marked
> as fixed:
>
> The DM1 branch produces:
With -O3, I got
main:
.LFB0:
.cfi_startproc
movups b(%rip), %xmm0
xorl %eax, %eax
movups %xmm0, a(%rip)
movss b+16(%rip), %xmm0
movss %xmm0, a+16(%rip)
ret
.cfi_endproc
.LFE0:
