------- Comment #26 from rguenth at gcc dot gnu dot org 2009-09-16 11:56 ------- Subject: Bug 41101
Author: rguenth Date: Wed Sep 16 11:56:31 2009 New Revision: 151744 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=151744 Log: 2009-09-16 Richard Guenther <rguent...@suse.de> Backport from mainline 2009-09-09 Richard Guenther <rguent...@suse.de> PR tree-optimization/41101 * tree-ssa-pre.c (maximal_set): Remove. (compute_antic_aux): Treat the maximal set as implicitly all ones. Defer all blocks we didn't visit at least one successor. (add_to_exp_gen): Do not add to the maximal set. (make_values_for_phi): Likewise. (compute_avail): Likewise. (init_pre): Do not allocate the maximal set. (execute_pre): Do not dump it. * gcc.c-torture/compile/pr41101.c: New testcase. Added: branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/compile/pr41101.c Modified: branches/gcc-4_4-branch/gcc/ChangeLog branches/gcc-4_4-branch/gcc/testsuite/ChangeLog branches/gcc-4_4-branch/gcc/tree-ssa-pre.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41101