r205074 - in /trunk/gcc: ChangeLog tree-ssa-thr...

[law@gcc.gnu.org]

Author: law
Date: Wed Nov 20 01:55:17 2013
New Revision: 205074

URL: http://gcc.gnu.org/viewcvs?rev=205074&root=gcc&view=rev
Log:
	* tree-ssa-threadedge.c (thread_across_edge): After threading
	through a joiner, allow threading a normal block requiring
	duplication.

	* tree-ssa-threadupdate.c (thread_block_1): Improve code to detect
	jump threading requests that would muck up the loop structures.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-threadedge.c
    trunk/gcc/tree-ssa-threadupdate.c