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Re: Post-register-allocation opportunitistic optimizer?
- From: Richard Henderson <rth at redhat dot com>
- To: tm <tm at mail dot kloo dot net>
- Cc: gcc at gcc dot gnu dot org, kazu at cs dot umass dot edu, joern dot rennecke at superh dot com
- Date: Fri, 3 May 2002 14:02:20 -0700
- Subject: Re: Post-register-allocation opportunitistic optimizer?
- References: <Pine.LNX.4.21.0205031236340.12007-100000@mail.kloo.net>
On Fri, May 03, 2002 at 01:12:47PM -0700, tm wrote:
> 3. New optimizer pass which runs after global alloc which
> opportunistically replaces slow sequences with fast sequences if hard
> registers are available.
See -frename-registers and/or the documentation for define_peephole2.
r~