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[Bug target/29978] [4.0/4.1/4.2/4.3 Regression] redundant jumps

From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
To: gcc-bugs at gcc dot gnu dot org
Date: 14 Dec 2007 18:01:00 -0000
Subject: [Bug target/29978] [4.0/4.1/4.2/4.3 Regression] redundant jumps
References: <bug-29978-12956@http.gcc.gnu.org/bugzilla/>
Reply-to: gcc-bugzilla at gcc dot gnu dot org


------- Comment #3 from jakub at gcc dot gnu dot org  2007-12-14 18:00 -------
Subject: Bug 29978

Author: jakub
Date: Fri Dec 14 18:00:39 2007
New Revision: 130938

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=130938
Log:
        PR target/29978
        * config/i386/i386.c (ix86_expand_branch): Optimize LE/LEU/GT/GTU
        DImode comparisons against constant with all 1's in the lower word.

        * gcc.target/i386/pr29978.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr29978.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29978

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