[Bug target/27855] reassociation pass produces ~30% slower matrix multiplication code

[uros at gcc dot gnu dot org]

------- Comment #16 from uros at gcc dot gnu dot org  2007-07-09 19:22 -------
Subject: Bug 27855

Author: uros
Date: Mon Jul  9 19:22:03 2007
New Revision: 126491

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=126491
Log:
        PR target/27855
        * doc/extend.texi: Add ftree-reassoc flag.
        * common.opt (ftree-reassoc): New flag.
        * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
        (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/common.opt
    trunk/gcc/doc/invoke.texi
    trunk/gcc/tree-ssa-reassoc.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27855