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[Bug target/30315] optimize unsigned-add overflow test on x86 to use cpu flags from addl

From: "rask at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
To: gcc-bugs at gcc dot gnu dot org
Date: 9 Sep 2007 19:22:12 -0000
Subject: [Bug target/30315] optimize unsigned-add overflow test on x86 to use cpu flags from addl
References: <bug-30315-11337@http.gcc.gnu.org/bugzilla/>
Reply-to: gcc-bugzilla at gcc dot gnu dot org


------- Comment #15 from rask at gcc dot gnu dot org  2007-09-09 19:22 -------
Subject: Bug 30315

Author: rask
Date: Sun Sep  9 19:21:59 2007
New Revision: 128305

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128305
Log:
        PR target/30315
        * config/i386/i386.h (CANONICALIZE_COMPARISON): Delete.
        * simplify-rtx.c (simplify_relational_operation_1): Add the
        canonicalization from i386.h.
        * doc/md.texi (Canonicalization of Instructions): Document it.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.h
    trunk/gcc/doc/md.texi
    trunk/gcc/simplify-rtx.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30315

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