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Re: [Bug tree-optimization/31090] Revision 121302 causes 30% performance regression
- From: "Andrew Pinski" <pinskia at gmail dot com>
- To: gcc-bugzilla at gcc dot gnu dot org
- Cc: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 9 Mar 2007 15:04:52 -0800
- Subject: Re: [Bug tree-optimization/31090] Revision 121302 causes 30% performance regression
- References: <bug-31090-682@http.gcc.gnu.org/bugzilla/> <20070309230055.7483.qmail@sourceware.org>
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