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[Bug target/27869] "-O -fregmove" handles SSE scalar instructions incorrectly
- From: "hubicka at ucw dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Apr 2007 15:07:44 -0000
- Subject: [Bug target/27869] "-O -fregmove" handles SSE scalar instructions incorrectly
- References: <bug-27869-12772@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from hubicka at ucw dot cz 2007-04-06 16:07 -------
Subject: Re: "-O -fregmove" handles SSE scalar instructions incorrectly
> Investigating...
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?
Honza
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27869