------- Comment #16 from sandra at gcc dot gnu dot org 2010-06-08 18:16 ------- Subject: Bug 28685
Author: sandra Date: Tue Jun 8 18:15:53 2010 New Revision: 160445 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=160445 Log: 2010-06-08 Sandra Loosemore <san...@codesourcery.com> PR tree-optimization/39874 PR middle-end/28685 gcc/ * gimple.h (maybe_fold_and_comparisons, maybe_fold_or_comparisons): Declare. * gimple-fold.c (canonicalize_bool, same_bool_comparison_p, same_bool_result_p): New. (and_var_with_comparison, and_var_with_comparison_1, and_comparisons_1, and_comparisons, maybe_fold_and_comparisons): New. (or_var_with_comparison, or_var_with_comparison_1, or_comparisons_1, or_comparisons, maybe_fold_or_comparisons): New. * tree-ssa-reassoc.c (eliminate_redundant_comparison): Use maybe_fold_and_comparisons or maybe_fold_or_comparisons instead of combine_comparisons. * tree-ssa-ifcombine.c (ifcombine_ifandif, ifcombine_iforif): Likewise. gcc/testsuite/ * gcc.dg/pr39874.c: New file. Added: trunk/gcc/testsuite/gcc.dg/pr39874.c Modified: trunk/gcc/ChangeLog trunk/gcc/gimple-fold.c trunk/gcc/gimple.h trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-ifcombine.c trunk/gcc/tree-ssa-reassoc.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28685