Backport r202980 from trunk -- enhanced vect cost model
commitf949b8f46172532171bfcbbadc6bae76eb1f572a
authordavidxl <davidxl@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 27 Sep 2013 22:34:32 +0000 (27 22:34 +0000)
committerdavidxl <davidxl@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 27 Sep 2013 22:34:32 +0000 (27 22:34 +0000)
treeda3567bc88d8f15417339393a30d8ead29ecd709
parentfd8b6a6ca036b5ad25784bd86c81d6051fe4deb6
Backport r202980 from trunk -- enhanced vect cost model

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/google@202998 138bc75d-0d04-0410-961f-82ee72b054a4
gcc-4_8/gcc/common.opt
gcc-4_8/gcc/common/config/i386/i386-common.c
gcc-4_8/gcc/config/i386/i386.c
gcc-4_8/gcc/doc/invoke.texi
gcc-4_8/gcc/flag-types.h
gcc-4_8/gcc/opts.c
gcc-4_8/gcc/targhooks.c
gcc-4_8/gcc/tree-vect-data-refs.c
gcc-4_8/gcc/tree-vect-loop.c
gcc-4_8/gcc/tree-vect-slp.c
gcc-4_8/gcc/tree-vectorizer.h