[Bug target/46295] Missing vzeroupper

[hjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46295

--- Comment #2 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2010-11-03 
21:16:40 UTC ---
Author: hjl
Date: Wed Nov  3 21:16:36 2010
New Revision: 166277

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166277
Log:
Set use_avx256_p if 256bit AVX register is used in vector move.

gcc/

2010-11-03  H.J. Lu  <hongjiu...@intel.com>

    PR target/46295
    * config/i386/i386.c (ix86_expand_vector_move): Set use_avx256_p
    if 256bit AVX register is used.

gcc/testsuite/

2010-11-03  H.J. Lu  <hongjiu...@intel.com>

    PR target/46295
    * gcc.target/i386/pr46295.c: New.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr46295.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog