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Re: RFA: patch for PR22072
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Vladimir Makarov <vmakarov at redhat dot com>
- Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 7 May 2010 17:41:52 -0700
- Subject: Re: RFA: patch for PR22072
- References: <4ACBC01F.4010803@redhat.com>
On Tue, Oct 6, 2009 at 3:09 PM, Vladimir Makarov <vmakarov@redhat.com> wrote:
> The following patch solves one problem reported in PR22072 (additional move
> generation). ?The reason for this problem can be found on
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22072
>
> The old version of the corrected code was actually a typo. ?The fix should
> be reliable because it creates additional conflicts (for early clobbers as
> it should be). ?In any case I've checked it on a bootstrap on x86_64.
> ?SPEC2000 changes are quite minor (the same performance in measure error
> range and quit insignificant code size changes).
>
> Ok to commit?
>
> 2009-10-06 ?Vladimir Makarov ?<vmakarov@redhat.com>
>
> ? PR middle-end/22072
> ? * ira-lives.c (check_and_make_def_conflict): Process all operands.
>
This patch caused:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44031
--
H.J.