[Bug target/27869] "-O -fregmove" handles SSE scalar instructions incorrectly

[hubicka at ucw dot cz]

------- Comment #9 from hubicka at ucw dot cz  2007-04-06 17:01 -------
Subject: Re:  "-O -fregmove" handles SSE scalar instructions incorrectly

> 
> 
> ------- Comment #8 from stevenb dot gcc at gmail dot com  2007-04-06 16:43 -------
> Subject: Re:  "-O -fregmove" handles SSE scalar instructions incorrectly
> 
> > The attached patch to remove '%' seems correct to me.  Merge operating
> > wrapping the (commutative) plus/mult/min/max is not commutative, so '%'
> > is wrong.  Or am I missing something?
> 
> The commutative alternative asm output should also be removed.

I don't think there are alternative asm outputs, just intel variants,
unless I missed something.  The min/max commutative variant should be
removed however, I am testing the attached patch.

Honza


------- Comment #10 from hubicka at ucw dot cz  2007-04-06 17:01 -------
Created an attachment (id=13334)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13334&action=view)


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27869