[Bug target/38824] [4.4 Regression] performance regression of sse code from 4.2/4.3

[bonzini at gnu dot org]

------- Comment #18 from bonzini at gnu dot org  2009-02-09 13:35 -------
Xuepeng, can you test with the loop as produced by my posted patch, that is:

.L11:
        movaps  (%rsi,%rax), %xmm0
        addps   %xmm1, %xmm0
        movaps  %xmm0, (%rdi,%rax)
        addq    $16, %rax
        cmpq    %rdx, %rax
        jne     .L11

I don't have access to new enough chips.


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bonzini at gnu dot org changed:

           What    |Removed                     |Added
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                 CC|                            |bonzini at gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38824