[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