r193471 - in /trunk/gcc: ChangeLog fold-const.c...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Nov 13 07:25:36 2012
New Revision: 193471

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193471
Log:
	PR tree-optimization/55281
	* tree-vect-generic.c (expand_vector_condition): Accept any
	is_gimple_val rather than just SSA_NAME if not COMPARISON_CLASS_P.
	* fold-const.c (fold_ternary_loc): Fold VEC_COND_EXPR if arg0 is
	either integer_all_onesp or integer_zerop.
	* tree-vect-stmts.c (vectorizable_condition): Build the condition
	using corresponding vector integer type instead of vectype.

	* gcc.dg/vect/fast-math-pr55281.c: New test.
	* g++.dg/opt/pr55281.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/opt/pr55281.C
    trunk/gcc/testsuite/gcc.dg/vect/fast-math-pr55281.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-generic.c
    trunk/gcc/tree-vect-stmts.c