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* [Bug debug/46799] New: -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce @ 2010-12-04 14:59 zsojka at seznam dot cz 2010-12-04 17:09 ` [Bug debug/46799] [4.6 Regression] " hjl.tools at gmail dot com ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: zsojka at seznam dot cz @ 2010-12-04 14:59 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46799 Summary: -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug AssignedTo: unassigned@gcc.gnu.org ReportedBy: zsojka@seznam.cz Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 22630 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22630 reduced testcase Compiler output: $ gcc -O -ftree-parallelize-loops=2 -fno-tree-dce -ftree-pre -fcompare-debug pr46799.c gcc: error: pr46799.c: -fcompare-debug failure (length) $ diff pr46799.*gkd 204c204 < (reg:DI 6 bp))# {*pushdi2_rex64} --- > (reg:DI 6 bp)) pr46799.c:1# {*pushdi2_rex64} 208c208 < (reg:DI 3 bx))# {*pushdi2_rex64} --- > (reg:DI 3 bx)) pr46799.c:1# {*pushdi2_rex64} 217c217 < ])# {pro_epilogue_adjust_stack_di_add} --- > ]) pr46799.c:1# {pro_epilogue_adjust_stack_di_add} 227c227 < (const_int 8 [0x8])) [ .paral_data_load.11_3->D.xxxx+0 S4 A32])) pr46799.c:33554427# {*movsi_internal} --- > (const_int 8 [0x8])) [ .paral_data_load.11_3->D.xxxx+0 S4 A32])) pr46799.c:1# {*movsi_internal} Tested revisions: r167424 - fail r153685 - OK 4.5 r166509 - fail ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/46799] [4.6 Regression] -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce 2010-12-04 14:59 [Bug debug/46799] New: -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce zsojka at seznam dot cz @ 2010-12-04 17:09 ` hjl.tools at gmail dot com 2010-12-06 10:11 ` jakub at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2010-12-04 17:09 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46799 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2010.12.04 17:08:54 CC| |matz at suse dot de Target Milestone|--- |4.6.0 Summary|-fcompare-debug failure |[4.6 Regression] |(length) with |-fcompare-debug failure |-ftree-parallelize-loops=2 |(length) with |-fno-tree-dce |-ftree-parallelize-loops=2 | |-fno-tree-dce Ever Confirmed|0 |1 --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2010-12-04 17:08:54 UTC --- It is caused by revision 167184: http://gcc.gnu.org/ml/gcc-cvs/2010-11/msg01074.html ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/46799] [4.6 Regression] -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce 2010-12-04 14:59 [Bug debug/46799] New: -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce zsojka at seznam dot cz 2010-12-04 17:09 ` [Bug debug/46799] [4.6 Regression] " hjl.tools at gmail dot com @ 2010-12-06 10:11 ` jakub at gcc dot gnu.org 2010-12-07 11:28 ` jakub at gcc dot gnu.org 2010-12-07 11:31 ` jakub at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: jakub at gcc dot gnu.org @ 2010-12-06 10:11 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46799 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org |gnu.org | --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-12-06 10:10:58 UTC --- Created attachment 22650 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22650 gcc46-pr46799.patch Untested patch. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/46799] [4.6 Regression] -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce 2010-12-04 14:59 [Bug debug/46799] New: -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce zsojka at seznam dot cz 2010-12-04 17:09 ` [Bug debug/46799] [4.6 Regression] " hjl.tools at gmail dot com 2010-12-06 10:11 ` jakub at gcc dot gnu.org @ 2010-12-07 11:28 ` jakub at gcc dot gnu.org 2010-12-07 11:31 ` jakub at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: jakub at gcc dot gnu.org @ 2010-12-07 11:28 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46799 --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-12-07 11:27:40 UTC --- Author: jakub Date: Tue Dec 7 11:27:37 2010 New Revision: 167533 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167533 Log: PR debug/46799 * tree-parloops.c (separate_decls_in_region): Use UNKNOWN_LOCATION instead of BUILTINS_LOCATION. (create_loop_fn): Add LOC argument, pass it to build_decl instead of BUILTINS_LOCATION. (create_parallel_loop): Add LOC argument, use it for OMP clauses and GIMPLE_*OMP* statements. (gen_parallel_loop): Determine locus for the parallel loop, pass it to create_loop_fn and create_parallel_loop. * cfgexpand.c (gimple_expand_cfg): For builtin functions, call set_curr_insn_source_location (UNKNOWN_LOCATION). * gcc.dg/autopar/pr46799.c: New test. Added: trunk/gcc/testsuite/gcc.dg/autopar/pr46799.c Modified: trunk/gcc/ChangeLog trunk/gcc/cfgexpand.c trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-parloops.c ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/46799] [4.6 Regression] -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce 2010-12-04 14:59 [Bug debug/46799] New: -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce zsojka at seznam dot cz ` (2 preceding siblings ...) 2010-12-07 11:28 ` jakub at gcc dot gnu.org @ 2010-12-07 11:31 ` jakub at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: jakub at gcc dot gnu.org @ 2010-12-07 11:31 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46799 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-12-07 11:31:26 UTC --- Fixed. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2010-12-07 11:31 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2010-12-04 14:59 [Bug debug/46799] New: -fcompare-debug failure (length) with -ftree-parallelize-loops=2 -fno-tree-dce zsojka at seznam dot cz 2010-12-04 17:09 ` [Bug debug/46799] [4.6 Regression] " hjl.tools at gmail dot com 2010-12-06 10:11 ` jakub at gcc dot gnu.org 2010-12-07 11:28 ` jakub at gcc dot gnu.org 2010-12-07 11:31 ` jakub at gcc dot gnu.org
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