http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
Hans-Peter Nilsson hp at gcc dot gnu.org changed:
What|Removed |Added
CC||hp at gcc dot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #25 from Jakub Jelinek jakub at gcc dot gnu.org ---
Author: jakub
Date: Tue Jan 7 16:49:22 2014
New Revision: 206396
URL: http://gcc.gnu.org/viewcvs?rev=206396root=gccview=rev
Log:
Backported from mainline
2013-12-16 Jakub
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #24 from Jakub Jelinek jakub at gcc dot gnu.org ---
Author: jakub
Date: Mon Dec 16 08:09:05 2013
New Revision: 206009
URL: http://gcc.gnu.org/viewcvs?rev=206009root=gccview=rev
Log:
PR middle-end/58956
PR middle-end/59470
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #15 from Jakub Jelinek jakub at gcc dot gnu.org ---
Created attachment 31425
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=31425action=edit
gcc49-pr59470.patch
Untested TER changes I've meant. I believe that for
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #16 from Jakub Jelinek jakub at gcc dot gnu.org ---
Created attachment 31426
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=31426action=edit
gcc48-pr59470-test.patch
Runtime testcase that shows the LRA problem.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #17 from Jakub Jelinek jakub at gcc dot gnu.org ---
The #c11 fix has been successfully bootstrapped/regtested on x86_64-linux and
i686-linux on trunk (--enable-checking=yes,rtl) and on 4.8 branch (also both
targets, though regtest is
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #18 from Vladimir Makarov vmakarov at gcc dot gnu.org ---
(In reply to Jakub Jelinek from comment #13)
Strange. From my limited testing, it does fix the regressions. I can fire
off now full scratch rpm builds with your patch.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #19 from Jakub Jelinek jakub at gcc dot gnu.org ---
(In reply to Vladimir Makarov from comment #18)
(In reply to Jakub Jelinek from comment #13)
Strange. From my limited testing, it does fix the regressions. I can fire
off now
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #20 from Vladimir Makarov vmakarov at gcc dot gnu.org ---
Author: vmakarov
Date: Thu Dec 12 15:48:23 2013
New Revision: 205929
URL: http://gcc.gnu.org/viewcvs?rev=205929root=gccview=rev
Log:
2013-12-12 Vladimir Makarov
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #21 from Vladimir Makarov vmakarov at gcc dot gnu.org ---
Author: vmakarov
Date: Thu Dec 12 15:51:49 2013
New Revision: 205930
URL: http://gcc.gnu.org/viewcvs?rev=205930root=gccview=rev
Log:
2013-12-12 Vladimir Makarov
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #22 from Jakub Jelinek jakub at gcc dot gnu.org ---
Author: jakub
Date: Thu Dec 12 17:55:44 2013
New Revision: 205934
URL: http://gcc.gnu.org/viewcvs?rev=205934root=gccview=rev
Log:
PR middle-end/59470
* g++.dg/opt/pr59470.C:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #23 from Jakub Jelinek jakub at gcc dot gnu.org ---
Author: jakub
Date: Thu Dec 12 17:56:51 2013
New Revision: 205935
URL: http://gcc.gnu.org/viewcvs?rev=205935root=gccview=rev
Log:
PR middle-end/59470
* g++.dg/opt/pr59470.C:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Target Milestone|--- |4.8.3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #2 from Jakub Jelinek jakub at gcc dot gnu.org ---
Created attachment 31419
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=31419action=edit
locale-inst.ii.bz2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #1 from Jakub Jelinek jakub at gcc dot gnu.org ---
Created attachment 31418
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=31418action=edit
11.ii.bz2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
Richard Biener rguenth at gcc dot gnu.org changed:
What|Removed |Added
Priority|P3 |P1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
H.J. Lu hjl.tools at gmail dot com changed:
What|Removed |Added
CC||hjl.tools at gmail
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #4 from Jakub Jelinek jakub at gcc dot gnu.org ---
(In reply to H.J. Lu from comment #3)
I have been tracking 4.8 branch on Linux/i686. I didn't
see any libstdc++ failures on Fedora 19 today:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #5 from H.J. Lu hjl.tools at gmail dot com ---
(In reply to Jakub Jelinek from comment #4)
(In reply to H.J. Lu from comment #3)
I have been tracking 4.8 branch on Linux/i686. I didn't
see any libstdc++ failures on Fedora 19
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #6 from Jakub Jelinek jakub at gcc dot gnu.org ---
CXXFLAGS='-fstack-protector ...' ../configure ...
(at least I believe so, we override a bunch of other variables in the gcc.spec
file).
Anyway, I've instrumented gcc so that based on
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #7 from Jakub Jelinek jakub at gcc dot gnu.org ---
For the inline asm, consider e.g.:
int a, b;
int
foo (void)
{
int c;
asm ( : =r (c) : rm (a), rm (b) : memory);
return c;
}
where r205709 regresses expansion (not even combiner
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #8 from Jakub Jelinek jakub at gcc dot gnu.org ---
So, debugging and inspection shows that it is the
_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE12_M_group_intEPKcjcRSt8ios_basePcS9_Ri
call in the _M_insert_int method
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
CC||vmakarov at gcc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #10 from Jakub Jelinek jakub at gcc dot gnu.org ---
Re: the #c7 second testcase, rth thinks it is undefined behavior since there is
no sequence point. So here is a better testcase that should have defined
behavior, still before
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #11 from Vladimir Makarov vmakarov at gcc dot gnu.org ---
Created attachment 31423
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=31423action=edit
The patch fixing incorrect code generation
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #12 from Vladimir Makarov vmakarov at gcc dot gnu.org ---
(In reply to Jakub Jelinek from comment #9)
In -fdump-rtl-reload-slim we have incorrect:
92: {sp:SI=sp:SI-0x30;clobber flags:CC;}
94: {dx:SI=sp:SI+0x2f;clobber
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #13 from Jakub Jelinek jakub at gcc dot gnu.org ---
Strange. From my limited testing, it does fix the regressions. I can fire off
now full scratch rpm builds with your patch.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #14 from rguenther at suse dot de rguenther at suse dot de ---
jakub at gcc dot gnu.org gcc-bugzi...@gcc.gnu.org wrote:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470
--- Comment #6 from Jakub Jelinek jakub at gcc dot gnu.org ---
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