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[Bug rtl-optimization/34283] Non-optimal reload register used
- From: "glisse at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 23 Oct 2012 18:33:07 +0000
- Subject: [Bug rtl-optimization/34283] Non-optimal reload register used
- Auto-submitted: auto-generated
- References: <bug-34283-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34283
Marc Glisse <glisse at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |glisse at gcc dot gnu.org
--- Comment #5 from Marc Glisse <glisse at gcc dot gnu.org> 2012-10-23 18:33:07 UTC ---
(In reply to comment #4)
> Still present on x86_64. -O2 -march=corei7:
>
> movd %rsi, %xmm1
> pinsrq $1, %rdi, %xmm1
> movdqa %xmm1, %xmm0
> ret
It was still like that yesterday, but today:
movd %rsi, %xmm0
pinsrq $1, %rdi, %xmm0
ret
Fixed by LRA?