2013-05-14 Marc Glisse <marc.glisse@inria.fr>
gcc/
* fold-const.c (fold_negate_expr): Handle vectors.
(fold_truth_not_expr): Make it static.
(fold_invert_truthvalue): New static function.
(invert_truthvalue_loc): Handle vectors. Do not call
fold_truth_not_expr directly.
(fold_unary_loc) <BIT_NOT_EXPR>: Handle comparisons.
<TRUTH_NOT_EXPR>: Do not cast to boolean.
(fold_comparison): Handle vector constants.
(fold_binary_loc) <TRUTH_XOR_EXPR>: Remove redundant code.
(fold_ternary_loc) <VEC_COND_EXPR>: Adapt more COND_EXPR optimizations.
* tree.h (fold_truth_not_expr): Remove declaration.
gcc/testsuite/
* g++.dg/ext/vector22.C: New testcase.
* gcc.dg/binop-xor3.c: Remove xfail.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198893 138bc75d-0d04-0410-961f-82ee72b054a4