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Re: [patch] mn10300.md: Remove a define_peephole.
- From: Alexandre Oliva <aoliva at redhat dot com>
- To: Kazu Hirata <kazu at cs dot umass dot edu>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: 06 Mar 2004 18:17:14 -0300
- Subject: Re: [patch] mn10300.md: Remove a define_peephole.
- Organization: Red Hat Global Engineering Services Compiler Team
- References: <20040304.232454.108813742.kazu@cs.umass.edu>
On Mar 5, 2004, Kazu Hirata <kazu@cs.umass.edu> wrote:
> Compiling a bunch of real-world testcases, I saw this trigger only
> twice out of almost a million lines of assembly code.
Err... If it triggers at all, even if only twice in such a large
sample, why remove it? I hope you at least took note of where it hit,
such that we could figure out where we could improve the compiler
until we get to the point that this peephole really doesn't make any
difference any more.
--
Alexandre Oliva http://www.ic.unicamp.br/~oliva/
Red Hat Compiler Engineer aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist oliva@{lsd.ic.unicamp.br, gnu.org}