[Bug tree-optimization/51074] No constant folding performed for VEC_PERM_EXPR, VEC_INTERLEAVE*EXPR, VEC_EXTRACT*EXPR

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51074

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-11-22 
16:57:39 UTC ---
Author: jakub
Date: Tue Nov 22 16:57:33 2011
New Revision: 181627

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181627
Log:
    PR tree-optimization/51074
    * fold-const.c (fold_binary_loc): Fix up VEC_INTERLEAVE_*_EXPR
    handling for BYTES_BIG_ENDIAN.
    * optabs.c (can_vec_perm_for_code_p): Likewise.

    * gcc.dg/vect/pr51074.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr51074.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/optabs.c
    trunk/gcc/testsuite/ChangeLog