[Bug c/47892] Fails to vectorize comparison code, if-conversion fails

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47892

--- Comment #7 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-20 15:50:38 UTC ---
Author: rguenth
Date: Wed Apr 20 15:50:26 2011
New Revision: 172774

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172774
Log:
2011-04-20  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/47892
    * tree-if-conv.c (if_convertible_stmt_p): Const builtins
    are if-convertible.

    * gcc.dg/vect/fast-math-ifcvt-1.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/fast-math-ifcvt-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-if-conv.c