------- Comment #7 from law at gcc dot gnu dot org 2006-02-09 02:36 ------- Subject: Bug 21417
Author: law Date: Thu Feb 9 02:36:33 2006 New Revision: 110785 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=110785 Log: PR tree-optimization/21417 * tree-ssa-threadedge.c (thread_across_edge): Reject threading across a backedge if the control statement at the end of the block is data dependent on other statements in the same block. (record_temporary_equivalences_from_stmts): Remove over-conservative test for threading across backedges. * gcc.dg/tree-ssa/pr21417.c: New test. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/pr21417.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-threadedge.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21417
