The gimple builder no longer support normal form. The ssa_mode enum is
not needed now.

	* gimple.h (enum ssa_mode): Remove.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202977 138bc75d-0d04-0410-961f-82ee72b054a4
vectorizer cost model enhancement

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202980 138bc75d-0d04-0410-961f-82ee72b054a4
	* testsuite-management/x86_64-unknown-linux-gnu.xfail: Update.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202981 138bc75d-0d04-0410-961f-82ee72b054a4