[Bug rtl-optimization/34283] Non-optimal reload register used

glisse at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Oct 23 18:33:00 GMT 2012


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?



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