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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/58626] [4.9 Regression] possible array wrong code bug Date: Fri, 25 Oct 2013 11:51:00 -0000 [thread overview] Message-ID: <bug-58626-4-ATJe9ewOJ6@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-58626-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58626 --- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Fri Oct 25 11:51:11 2013 New Revision: 204062 URL: http://gcc.gnu.org/viewcvs?rev=204062&root=gcc&view=rev Log: 2013-10-25 Richard Biener <rguenther@suse.de> PR tree-optimization/58626 * tree-loop-distribution.c (enum rdg_dep_type): Remove anti_dd, output_dd and input_dd. (struct rdg_edge): Remove level and relation members. (RDGE_LEVEL, RDGE_RELATION): Remove. (dot_rdg_1): Adjust. (create_rdg_edge_for_ddr): Remove. (create_rdg_edges_for_scalar): Adjust. (create_edge_for_control_dependence): Likewise. (create_rdg_edges): Split into ... (create_rdg_flow_edges): ... this (create_rdg_cd_edges): ... and this. (free_rdg): Adjust. (build_rdg): Likewise, do not compute data dependences or add edges for them. (pg_add_dependence_edges): New function. (pgcmp): Likewise. (distribute_loop): First apply all non-dependence based partition mergings. Then compute dependences between partitions and merge and order partitions according to them. * gcc.dg/torture/pr58626.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/torture/pr58626.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-loop-distribution.c
next prev parent reply other threads:[~2013-10-25 11:51 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-10-05 5:35 [Bug c/58626] New: " regehr at cs dot utah.edu 2013-10-05 11:50 ` [Bug c/58626] " mikpelinux at gmail dot com 2013-10-07 9:03 ` mpolacek at gcc dot gnu.org 2013-10-10 11:50 ` [Bug c/58626] [4.9 Regression] " rguenth at gcc dot gnu.org 2013-10-11 11:36 ` rguenth at gcc dot gnu.org 2013-10-16 9:25 ` [Bug tree-optimization/58626] " mpolacek at gcc dot gnu.org 2013-10-25 11:51 ` rguenth at gcc dot gnu.org [this message] 2013-10-25 12:31 ` rguenth at gcc dot gnu.org
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