[Bug tree-optimization/51074] No constant folding performed for VEC_PERM_EXPR, VEC_INTERLEAVE*EXPR, VEC_EXTRACT*EXPR
jakub at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Fri Nov 11 19:58:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51074
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-11-11 19:55:26 UTC ---
Author: jakub
Date: Fri Nov 11 19:55:23 2011
New Revision: 181297
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181297
Log:
PR tree-optimization/51074
* fold-const.c (vec_cst_ctor_to_array, fold_vec_perm): New functions.
(fold_binary_loc): Handle VEC_EXTRACT_EVEN_EXPR,
VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR and
VEC_INTERLEAVE_LOW_EXPR with VECTOR_CST or CONSTRUCTOR operands.
(fold_ternary_loc): Handle VEC_PERM_EXPR with VECTOR_CST or
CONSTRUCTOR operands.
* tree-ssa-propagate.c (valid_gimple_rhs_p): Handle ternary
expressions.
* tree-vect-generic.c (lower_vec_perm): Mask sel_int elements
to 0 .. 2 * elements - 1.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/tree-ssa-propagate.c
trunk/gcc/tree-vect-generic.c
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