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

[rask 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


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