[Bug target/54703] _mm_sub_pd is incorrectly substituted with vandnps

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54703

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-09-27 10:48:14 UTC ---
Author: jakub
Date: Thu Sep 27 10:48:07 2012
New Revision: 191801

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191801
Log:
    PR target/54703
    * simplify-rtx.c (simplify_binary_operation_1): Perform
    (x - (x & y)) -> (x & ~y) optimization only for integral
    modes.

    * gcc.target/i386/pr54703.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr54703.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/simplify-rtx.c
    trunk/gcc/testsuite/ChangeLog