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Re: i386 move scheduling improvement
- To: Jan Hubicka <hubicka at atrey dot karlin dot mff dot cuni dot cz>
- Subject: Re: i386 move scheduling improvement
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Mon, 01 Nov 1999 05:11:49 -0700
- cc: egcs-patches at egcs dot cygnus dot com, rth at cygnus dot com
- Reply-To: law at cygnus dot com
In message <19991001231205.02382@atrey.karlin.mff.cuni.cz>you write:
>
> Hi
> This patch adds splitter to show the xor instruction usage in mov patterns.
> This fix scheduling for Pentium, K6 and other CPUs that don't contain speci
> al
> hardware to avoid extra dependency.
>
> Fri Oct 1 06:45:50 CEST 1999 Jan Hubicka <hubicka@freesoft.cz>
> * i386.md (mov?i patterns): New splitters for xor reg,reg case.
Seems to me that you only want to enable this splitter after reload.
jeff