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[Bug tree-optimization/31090] Revision 121302 causes 30% performance regression
- From: "pinskia at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Mar 2007 23:05:06 -0000
- Subject: [Bug tree-optimization/31090] Revision 121302 causes 30% performance regression
- References: <bug-31090-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from pinskia at gmail dot com 2007-03-09 23:05 -------
Subject: Re: Revision 121302 causes 30% performance regression
On 9 Mar 2007 23:00:55 -0000, rguenth at gcc dot gnu dot org
<gcc-bugzilla@gcc.gnu.org> wrote:
>
> Other than that, more precise alias information
> can cause more register pressure, too.
Fix the register allocator instead of complaining about this issue. I
am sorry but if people want a compiler which works for x86, they just
need to fix the RA. Now I could care less about x86.
-- Pinski
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31090