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Re: [PATCH] Fix PR optimization/6842
- From: Richard Henderson <rth at redhat dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Fri, 31 May 2002 17:34:58 -0700
- Subject: Re: [PATCH] Fix PR optimization/6842
- References: <20020531171456.W20867@sunsite.ms.mff.cuni.cz>
On Fri, May 31, 2002 at 05:14:56PM +0200, Jakub Jelinek wrote:
> + && (GET_MODE (SUBREG_REG (x)) != VOIDmode
> + || gen_lowpart_common (mode, SUBREG_REG (x))))
Can you rearrange this such that we use the result computed
here rather than using it as a predicate and recomputing
within gen_lowpart_for_combine?
r~