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[Bug rtl-optimization/20070] If-conversion can't match equivalent code, and cross-jumping only works for literal matches
- From: "joern dot rennecke at st dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Mar 2005 14:59:12 -0000
- Subject: [Bug rtl-optimization/20070] If-conversion can't match equivalent code, and cross-jumping only works for literal matches
- References: <20050219032903.20070.amylaar@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From joern dot rennecke at st dot com 2005-03-03 14:59 -------
Subject: Re: If-conversion can't match equivalent code, and cross-jumping only works for literal matches
pinskia at gcc dot gnu dot org wrote:
>------- Additional Comments From pinskia at gcc dot gnu dot org 2005-03-03 02:44 -------
>(In reply to comment #4)
>
>
>>The recog.c / recog.h part of the patch has been committed as part
>>of another patch:
>>http://gcc.gnu.org/ml/gcc-patches/2005-03/msg00133.html
>>
>>
>
>Yes this also caused a regression on ppc-darwin (it might also be reproducable with ppc-elf and ppc-
>linux).
>
>
>
I've tried ppc-eabisim, but can't reproduce a failure there building gcc
or newlib. powerpc-apple-darwin7.4.0
wants lots of include files which I don't have. Could you send me a
preprocessed file so that I can test my patch
against that?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20070