[Bug target/43437] ICE in CSE, during libgcc build

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 Segher Boessenkool changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 --- Comment #23 from Alexandre Oliva 2012-03-25 11:55:30 UTC --- I've just verified that the score problem is indeed port-specific, and needs lookinginto by the port maintainer, but the problem exposed in m68k is generic. More info in bug 52306.

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 --- Comment #22 from Thorsten Glaser 2012-02-18 23:31:40 UTC --- ok, moved it to #52306

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 --- Comment #21 from Mikael Pettersson 2012-02-18 15:33:32 UTC --- (In reply to comment #20) > Just a reminder that the bug (which Mikael kindly begun to analyse) still > happens on the 4.6 branch and, as he said it, is most likely only masked on

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 --- Comment #20 from Thorsten Glaser 2012-02-07 21:24:33 UTC --- Just a reminder that the bug (which Mikael kindly begun to analyse) still happens on the 4.6 branch and, as he said it, is most likely only masked on 4.7.

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 Mikael Pettersson changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 --- Comment #18 from Mikael Pettersson 2011-12-20 15:14:41 UTC --- The second test case started failing with r170199: http://gcc.gnu.org/ml/gcc-cvs/2011-02/msg00744.html This is the reversal of the same change that was later reapplied as r17

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 --- Comment #17 from Mikael Pettersson 2011-12-20 09:14:03 UTC --- Created attachment 26150 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26150 reduced second test case Reduced test case, very sensitive to control flow and other details.

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 --- Comment #16 from Mikael Pettersson 2011-12-20 00:12:19 UTC --- The new test case stopped ICE:ing on trunk starting with r17: . However that's just a missed-optimization fix so most lik

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 --- Comment #15 from Thorsten Glaser 2011-12-19 00:28:18 UTC --- Hi Mikael, thanks for caring, you seem to be everywhere ;-) Yes, it is reproducible with the cross-compilers I build using the standard procedure from https://wiki.debian.org/Buil

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 Mikael Pettersson changed: What|Removed |Added CC||mikpe at it dot uu.se --- Comment #14

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 --- Comment #13 from Thorsten Glaser 2011-12-18 22:10:13 UTC --- This is a regression: this works gcc-4.4 -std=gnu99 -DHAVE_CONFIG_H -I. -I/tmp/buildd/libvirt-0.9.8/./src -I.. -I/tmp/buildd/libvirt-0.9.8/./gnulib/lib -I../gnulib/lib -I../include

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 Thorsten Glaser changed: What|Removed |Added CC||tg at mirbsd dot org --- Comment #12 fr

[Bug target/43437] ICE in CSE, during libgcc build

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437 --- Comment #11 from Thorsten Glaser 2011-12-18 21:52:43 UTC --- Created attachment 26129 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26129 preprocessed source for another occurence I’m also getting one of these. Not sure if it’s the sam

[Bug target/43437] ICE in CSE, during libgcc build

--- Comment #10 from segher at gcc dot gnu dot org 2010-07-23 11:57 --- Liqin, could you look at this please? -- segher at gcc dot gnu dot org changed: What|Removed |Added

[Bug target/43437] ICE in CSE, during libgcc build

--- Comment #9 from jakub at gcc dot gnu dot org 2010-07-23 11:48 --- *** Bug 45040 has been marked as a duplicate of this bug. *** -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437

[Bug target/43437] ICE in CSE, during libgcc build

--- Comment #8 from law at redhat dot com 2010-03-22 16:12 --- I'd tend to agree with comment #7 -- multiple side effects on a single register in a single insn like this seems like a huge rats nest of problems. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437

[Bug target/43437] ICE in CSE, during libgcc build

--- Comment #7 from jakub at gcc dot gnu dot org 2010-03-19 21:14 --- I really think it is score backend that should be fixed here. Say the store multiple should be represented with (insn/f 93 8 94 2 pr43437.c:4 (parallel [ (set/f (mem:SI (plus:SI (reg/f:SI 0 r0) (const_int

[Bug target/43437] ICE in CSE, during libgcc build

--- Comment #6 from jakub at gcc dot gnu dot org 2010-03-19 20:37 --- Created an attachment (id=20144) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20144&action=view) gcc45-pr43437.patch Possible patch. Except that note_uses (and note_stores) walk parallels from end to start, so

[Bug target/43437] ICE in CSE, during libgcc build

--- Comment #5 from aldyh at gcc dot gnu dot org 2010-03-19 18:41 --- Err, I was just going to say that. Curse you Jakub. Let me know when you're looking at something so we don't duplicate efforts. Wait, am I not supposed to say curse on a PR? Oh well. -- http://gcc.gnu.org/bugz

[Bug target/43437] ICE in CSE, during libgcc build

--- Comment #4 from jakub at gcc dot gnu dot org 2010-03-19 17:35 --- Ah, I see. We have (insn/f 93 8 94 2 pr43437.c:4 (parallel [ (set/f (mem:SI (pre_dec:SI (reg/f:SI 0 r0)) [0 S4 A32]) (reg:SI 12 r12)) (set/f (mem:SI (pre_dec:SI (reg/f:SI 0 r0))

[Bug target/43437] ICE in CSE, during libgcc build

--- Comment #3 from aldyh at gcc dot gnu dot org 2010-03-19 15:58 --- Reproduce with: ./cc1 -g -O a.i -mscore3 -- aldyh at gcc dot gnu dot org changed: What|Removed |Added ---

[Bug target/43437] ICE in CSE, during libgcc build

--- Comment #2 from aldyh at gcc dot gnu dot org 2010-03-19 15:48 --- Created an attachment (id=20141) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20141&action=view) reduced testcase -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43437

[Bug target/43437] ICE in CSE, during libgcc build

--- Comment #1 from segher at gcc dot gnu dot org 2010-03-19 02:25 --- Caused by / exposed by SVN r157476 Author: jakub Date: Tue Mar 16 10:50:42 2010 + PR debug/43051 PR debug/43092 ... -- segher at gcc dot gnu dot org changed: What|Removed