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Re: PATCH: config/i386/i386.c(ix86_expand_int_movcc): Avoid add if mask and cf == 0

From: Aaron Lehmann <aaronl at vitelus dot com>
To: Richard Henderson <rth at redhat dot com>, rbrown64 at csc dot com dot au,gcc-patches at gcc dot gnu dot org
Date: Wed, 17 Jul 2002 22:44:00 -0700
Subject: Re: PATCH: config/i386/i386.c(ix86_expand_int_movcc): Avoid add if mask and cf == 0
References: <OFC13A1045.60157195-ONCA256BF8.0024812B@int.csc.com.au> <20020716174954.B6110@redhat.com>

On Tue, Jul 16, 2002 at 05:49:54PM -0700, Richard Henderson wrote:
> See i386.md:
> 
> ;; NOT is not pairable on Pentium, while XOR is, but one byte longer. 

It sounds like the NOT might be a good candidate for -Os.

Follow-Ups:
- Re: PATCH: config/i386/i386.c(ix86_expand_int_movcc): Avoid add if mask and cf == 0
  - From: Richard Henderson

References:
- PATCH: config/i386/i386.c(ix86_expand_int_movcc): Avoid add if mask and cf== 0
  - From: rbrown64
- Re: PATCH: config/i386/i386.c(ix86_expand_int_movcc): Avoid add if mask and cf == 0
  - From: Richard Henderson

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