------- Comment #3 from rguenth at gcc dot gnu dot org 2009-10-23 09:34 ------- Subject: Bug 41778
Author: rguenth Date: Fri Oct 23 09:34:46 2009 New Revision: 153491 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153491 Log: 2009-10-23 Richard Guenther <rguent...@suse.de> PR tree-optimization/41778 * tree-ssa-pre.c (do_regular_insertion): Only insert if a redundancy along a path in the CFG we want to optimize for speed is going to be removed. (execute_pre): Do partial-PRE only if the function is to be optimized for speed. (gate_pre): Do not turn off all of PRE when not optimizing a function for speed. * gcc.dg/tree-ssa/ssa-pre-26.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-26.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-pre.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41778
