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Re: [PATCH] optimize_size tweak to ix86_split_long_move
- From: Richard Henderson <rth at redhat dot com>
- To: Roger Sayle <roger at eyesopen dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Mon, 6 Sep 2004 11:04:08 -0700
- Subject: Re: [PATCH] optimize_size tweak to ix86_split_long_move
- References: <Pine.LNX.4.44.0409051529380.5593-100000@www.eyesopen.com>
On Sun, Sep 05, 2004 at 04:08:32PM -0600, Roger Sayle wrote:
> * config/i386/i386.c (ix86_split_long_move): When optimizing for
> size, and the low and high parts of a DImode constant are equal,
> copy one register to another instead of loading the same immediate
> value twice.
Ok.
r~