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* [Bug inline-asm/63282] New: [4.7 regression] ICE in redirect_jump_1 @ 2014-09-17 0:56 adam at consulting dot net.nz 2014-09-17 8:08 ` [Bug inline-asm/63282] [4.8/4.9/5 Regression] " mpolacek at gcc dot gnu.org ` (6 more replies) 0 siblings, 7 replies; 8+ messages in thread From: adam at consulting dot net.nz @ 2014-09-17 0:56 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63282 Bug ID: 63282 Summary: [4.7 regression] ICE in redirect_jump_1 Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: inline-asm Assignee: unassigned at gcc dot gnu.org Reporter: adam at consulting dot net.nz Created attachment 33502 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33502&action=edit ice.c:9:1: internal compiler error: in redirect_jump_1, at jump.c:1515 This may be related to Bug #49891 [marked as RESOLVED FIXED]. $ cat ice.c #include <stdlib.h> void fn(void) { asm volatile goto ("nop" :: : : a, b); a: exit(0); b: return; } int main(void) { return 0; } $ gcc-snapshot.sh --version gcc (Debian 20140903-1) 5.0.0 20140904 (experimental) [trunk revision 214924] Copyright (C) 2014 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. $ gcc-snapshot.sh -O3 ice.c ice.c: In function 'fn': ice.c:9:1: internal compiler error: in redirect_jump_1, at jump.c:1515 } ^ Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-snapshot/README.Bugs> for instructions. Preprocessed source stored into /tmp/ccEJa42m.out file, please attach this to your bugreport. gcc-4.7 -O3, gcc-4.8 -O3 and gcc-4.9 -O3 all ICE. gcc-4.5 -O3 and gcc-4.6 -O3 do NOT ICE. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug inline-asm/63282] [4.8/4.9/5 Regression] ICE in redirect_jump_1 2014-09-17 0:56 [Bug inline-asm/63282] New: [4.7 regression] ICE in redirect_jump_1 adam at consulting dot net.nz @ 2014-09-17 8:08 ` mpolacek at gcc dot gnu.org 2014-09-17 17:24 ` jakub at gcc dot gnu.org ` (5 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: mpolacek at gcc dot gnu.org @ 2014-09-17 8:08 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63282 Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2014-09-17 CC| |mpolacek at gcc dot gnu.org Target Milestone|--- |4.8.4 Summary|[4.7 regression] ICE in |[4.8/4.9/5 Regression] ICE |redirect_jump_1 |in redirect_jump_1 Ever confirmed|0 |1 --- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Confirmed. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug inline-asm/63282] [4.8/4.9/5 Regression] ICE in redirect_jump_1 2014-09-17 0:56 [Bug inline-asm/63282] New: [4.7 regression] ICE in redirect_jump_1 adam at consulting dot net.nz 2014-09-17 8:08 ` [Bug inline-asm/63282] [4.8/4.9/5 Regression] " mpolacek at gcc dot gnu.org @ 2014-09-17 17:24 ` jakub at gcc dot gnu.org 2014-09-26 18:57 ` jakub at gcc dot gnu.org ` (4 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: jakub at gcc dot gnu.org @ 2014-09-17 17:24 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63282 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Started with r176881. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug inline-asm/63282] [4.8/4.9/5 Regression] ICE in redirect_jump_1 2014-09-17 0:56 [Bug inline-asm/63282] New: [4.7 regression] ICE in redirect_jump_1 adam at consulting dot net.nz 2014-09-17 8:08 ` [Bug inline-asm/63282] [4.8/4.9/5 Regression] " mpolacek at gcc dot gnu.org 2014-09-17 17:24 ` jakub at gcc dot gnu.org @ 2014-09-26 18:57 ` jakub at gcc dot gnu.org 2014-09-26 19:03 ` jakub at gcc dot gnu.org ` (3 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: jakub at gcc dot gnu.org @ 2014-09-26 18:57 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63282 --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 33586 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33586&action=edit gcc5-pr63282.patch Untested fix. Calling redirect_jump_1/indirect_jump_1 on something that isn't a normal conditional jump, is, weird. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug inline-asm/63282] [4.8/4.9/5 Regression] ICE in redirect_jump_1 2014-09-17 0:56 [Bug inline-asm/63282] New: [4.7 regression] ICE in redirect_jump_1 adam at consulting dot net.nz ` (2 preceding siblings ...) 2014-09-26 18:57 ` jakub at gcc dot gnu.org @ 2014-09-26 19:03 ` jakub at gcc dot gnu.org 2014-09-30 10:31 ` jakub at gcc dot gnu.org ` (2 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: jakub at gcc dot gnu.org @ 2014-09-26 19:03 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63282 --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 33587 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33587&action=edit gcc5-pr63282-2.patch Or we can just give up in redirect_jump_1 for asm gotos with > 1 label. Or both. I guess I'll try to bootstrap/regtest the first patch with some logging on when is that new goto cancel hit to see how often does that trigger. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug inline-asm/63282] [4.8/4.9/5 Regression] ICE in redirect_jump_1 2014-09-17 0:56 [Bug inline-asm/63282] New: [4.7 regression] ICE in redirect_jump_1 adam at consulting dot net.nz ` (3 preceding siblings ...) 2014-09-26 19:03 ` jakub at gcc dot gnu.org @ 2014-09-30 10:31 ` jakub at gcc dot gnu.org 2014-09-30 10:34 ` jakub at gcc dot gnu.org 2014-09-30 10:39 ` jakub at gcc dot gnu.org 6 siblings, 0 replies; 8+ messages in thread From: jakub at gcc dot gnu.org @ 2014-09-30 10:31 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63282 --- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Tue Sep 30 10:30:45 2014 New Revision: 215712 URL: https://gcc.gnu.org/viewcvs?rev=215712&root=gcc&view=rev Log: PR inline-asm/63282 * ifcvt.c (dead_or_predicable): Don't call redirect_jump_1 or invert_jump_1 if jump isn't any_condjump_p. * gcc.c-torture/compile/pr63282.c: New test. Added: trunk/gcc/testsuite/gcc.c-torture/compile/pr63282.c Modified: trunk/gcc/ChangeLog trunk/gcc/ifcvt.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug inline-asm/63282] [4.8/4.9/5 Regression] ICE in redirect_jump_1 2014-09-17 0:56 [Bug inline-asm/63282] New: [4.7 regression] ICE in redirect_jump_1 adam at consulting dot net.nz ` (4 preceding siblings ...) 2014-09-30 10:31 ` jakub at gcc dot gnu.org @ 2014-09-30 10:34 ` jakub at gcc dot gnu.org 2014-09-30 10:39 ` jakub at gcc dot gnu.org 6 siblings, 0 replies; 8+ messages in thread From: jakub at gcc dot gnu.org @ 2014-09-30 10:34 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63282 --- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Tue Sep 30 10:33:25 2014 New Revision: 215713 URL: https://gcc.gnu.org/viewcvs?rev=215713&root=gcc&view=rev Log: PR inline-asm/63282 * ifcvt.c (dead_or_predicable): Don't call redirect_jump_1 or invert_jump_1 if jump isn't any_condjump_p. * gcc.c-torture/compile/pr63282.c: New test. Added: branches/gcc-4_9-branch/gcc/testsuite/gcc.c-torture/compile/pr63282.c Modified: branches/gcc-4_9-branch/gcc/ChangeLog branches/gcc-4_9-branch/gcc/ifcvt.c branches/gcc-4_9-branch/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug inline-asm/63282] [4.8/4.9/5 Regression] ICE in redirect_jump_1 2014-09-17 0:56 [Bug inline-asm/63282] New: [4.7 regression] ICE in redirect_jump_1 adam at consulting dot net.nz ` (5 preceding siblings ...) 2014-09-30 10:34 ` jakub at gcc dot gnu.org @ 2014-09-30 10:39 ` jakub at gcc dot gnu.org 6 siblings, 0 replies; 8+ messages in thread From: jakub at gcc dot gnu.org @ 2014-09-30 10:39 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63282 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Should be fixed now. ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2014-09-30 10:39 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2014-09-17 0:56 [Bug inline-asm/63282] New: [4.7 regression] ICE in redirect_jump_1 adam at consulting dot net.nz 2014-09-17 8:08 ` [Bug inline-asm/63282] [4.8/4.9/5 Regression] " mpolacek at gcc dot gnu.org 2014-09-17 17:24 ` jakub at gcc dot gnu.org 2014-09-26 18:57 ` jakub at gcc dot gnu.org 2014-09-26 19:03 ` jakub at gcc dot gnu.org 2014-09-30 10:31 ` jakub at gcc dot gnu.org 2014-09-30 10:34 ` jakub at gcc dot gnu.org 2014-09-30 10:39 ` jakub at gcc dot gnu.org
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