http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21643
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-10-31 08:45:35 UTC --- Author: jakub Date: Wed Oct 31 08:45:27 2012 New Revision: 193028 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193028 Log: PR tree-optimization/19105 PR tree-optimization/21643 PR tree-optimization/46309 * tree-ssa-reassoc.c (init_range_entry): Add STMT argument and use it if EXP is NULL. (update_range_test): Handle OPCODE equal to ERROR_MARK and oe->op NULL. (optimize_range_tests): Likewise. (final_range_test_p, suitable_cond_bb, no_side_effect_bb, get_ops, maybe_optimize_range_tests): New functions. (reassociate_bb): Call maybe_optimize_range_tests if last stmt of bb is GIMPLE_COND that hasn't been visited yet. * gcc.dg/pr19105.c: New test. * gcc.dg/pr21643.c: New test. * gcc.dg/pr46309-2.c: New test. * gcc.c-torture/execute/pr46309.c: New test. Added: trunk/gcc/testsuite/gcc.c-torture/execute/pr46309.c trunk/gcc/testsuite/gcc.dg/pr19105.c trunk/gcc/testsuite/gcc.dg/pr21643.c trunk/gcc/testsuite/gcc.dg/pr46309-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-reassoc.c
