http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58455
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #1 f
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58455
Bug ID: 58455
Summary: spurious "may be used uninitialized" warning with -Og
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Compo
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58230
--- Comment #1 from Bernd Edlinger ---
Created attachment 30845
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30845&action=edit
proposed patch
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58454
--- Comment #2 from mednafen at gmail dot com ---
Your assertion conflicts with the gcc 4.2 release change-list at
http://gcc.gnu.org/gcc-4.2/changes.html when the strict-overflow options were
added.
Additionally, -fwrapv produces unnecessarily bl
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58436
Tobias Burnus changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned at
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58454
--- Comment #1 from pinskia at gmail dot com ---
All of these functions overflow the loop induction variable so only -fwrapv
will provide the behavior you want for all of the functions. The inconsistent
behavior is due to the overflows happening
All of these functions overflow the loop induction variable so only -fwrapv
will provide the behavior you want for all of the functions. The inconsistent
behavior is due to the overflows happening for induction variables. If it was
not an induction variable then -fno-strict-overflow would have
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58453
--- Comment #4 from Pat Haugen ---
Just discovered that -fwrapv results in successful execution also, so possibly
bad source.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58454
Bug ID: 58454
Summary: Potentially wrong(or at least weird/inconsistent) code
generation with -O2 -fno-strict-overflow
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58453
--- Comment #3 from Pat Haugen ---
Created attachment 30843
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30843&action=edit
r202431 ldist dump
Loop distribution dump for pdv.f using rev 202431.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58453
--- Comment #2 from Pat Haugen ---
Created attachment 30842
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30842&action=edit
r202429 ldist dump
Loop distribution dump for pdv.f using rev 202429.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58453
--- Comment #1 from Pat Haugen ---
Created attachment 30841
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30841&action=edit
Source file
pdv.f source file from benchmark, which results in successful execution if
compiled with prior revision
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58453
Bug ID: 58453
Summary: Revision 202431 results in miscompare for CPU2006
434.zeusmp
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Pr
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58452
--- Comment #2 from Michael Meissner ---
Created attachment 30840
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30840&action=edit
Proposed patch that fixes the problem
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58452
--- Comment #1 from Michael Meissner ---
Created attachment 30839
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30839&action=edit
Example the shows the problem
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58452
Michael Meissner changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58452
Bug ID: 58452
Summary: GCC 4.8 and trunk do not compile simple
powerpc-linuxpaired -O3 case
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58449
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
++,fortran,lto
--with-gmp=/usr/local/gcc-trunk --with-mpfr=/usr/local/gcc-trunk
--with-mpc=/usr/local/gcc-trunk --with-cloog=/usr/local/gcc-trunk
--prefix=/usr/local/gcc-trunk
Thread model: posix
gcc version 4.9.0 20130917 (experimental) [trunk revision 202643] (GCC)
$ gcc-trunk -O2 -c small.c
$ gcc-4.8
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58448
Paolo Carlini changed:
What|Removed |Added
Target Milestone|--- |4.9.0
--- Comment #1 from Paolo Carlini
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58332
--- Comment #4 from Jan Smets ---
Verified
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58450
--- Comment #1 from Marc Glisse ---
I do see this time difference with 4.7 and 4.8 (didn't try to analyze), but not
with 4.9 which seems fine.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58450
H.J. Lu changed:
What|Removed |Added
Status|UNCONFIRMED |WAITING
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23622
Jeffrey A. Law changed:
What|Removed |Added
Status|NEW |RESOLVED
CC|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19794
Bug 19794 depends on bug 23622, which changed state.
Bug 23622 Summary: Dom jump threading at -O1 confuses branch prediction
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23622
What|Removed |Added
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39766
Jeffrey A. Law changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446
--- Comment #11 from Gregor Richards ---
Aha. I didn't realize such a setting already existed; I'll test and update my
patch later today to use the existing mechanism. Thanks for the info.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58450
Bug ID: 58450
Summary: -fno-trapping-math causes decrease in performance
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446
--- Comment #10 from joseph at codesourcery dot com ---
On Tue, 17 Sep 2013, gcc-bug-espfv4bhi9 at gregor dot im wrote:
> libssp.diff: Support for libcs which provide libssp functions in libc (of
> which
> musl is the only example at present)
g
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35455
Jeffrey A. Law changed:
What|Removed |Added
CC||segher at kernel dot
crashing.org
--- C
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58441
--- Comment #4 from Dmitry Gorbachev ---
vtv_fail.h, vtv_malloc.h, vtv_map.h, vtv_rts.h, vtv_set.h, vtv_utils.h are
installed to /usr/local/include. GCC is configured with
"--enable-version-specific-runtime-libs" (and "--disable-bootstrap").
Host/
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58350
Dmitry G. Dyachenko changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58435
Paolo Carlini changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47521
Jeffrey A. Law changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58435
--- Comment #5 from paolo at gcc dot gnu.org ---
Author: paolo
Date: Tue Sep 17 17:46:03 2013
New Revision: 202662
URL: http://gcc.gnu.org/viewcvs?rev=202662&root=gcc&view=rev
Log:
/cp
2013-09-17 Paolo Carlini
PR c++/58435
* pt.c (tsu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58449
Bug ID: 58449
Summary: templated cast operator and failed template deduction
on copy-construction via assign operator
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
/src/gcc_current/configure
--prefix=/usr/local/gcc_current --with-multilib-list=m64
--enable-checking=yes,df,fold,rtl,tree --enable-languages=c,c++,lto
--enable-plugin --with-tune=native --with-arch=native
--enable-version-specific-runtime-libs
Thread model: posix
gcc version 4.9.0 20130917
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58448
Paolo Carlini changed:
What|Removed |Added
Keywords||ice-on-invalid-code
Status|UN
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58437
--- Comment #12 from Jeffrey M. Birnbaum ---
Tammy,
We tested gcc 4.7.2, 4.6.2 and 4.4.3/5 (the bug is not in either 4.4.3/5). I
have gcc 4.8.1 on my laptop but have not tried it yet. I confirmed the issue by
compiling my test (almost identical t
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58387
Jeffrey A. Law changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58332
--- Comment #3 from Jan Hubicka ---
Author: hubicka
Date: Tue Sep 17 17:45:00 2013
New Revision: 202661
URL: http://gcc.gnu.org/viewcvs?rev=202661&root=gcc&view=rev
Log:
PR middle-end/58332
* gcc.c-torture/compile/pr58332.c: New testcase
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380
Jeffrey A. Law changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58329
--- Comment #12 from Jan Hubicka ---
Author: hubicka
Date: Tue Sep 17 16:07:21 2013
New Revision: 202658
URL: http://gcc.gnu.org/viewcvs?rev=202658&root=gcc&view=rev
Log:
PR middle-end/58329
* ipa-devirt.c (ipa_devirt): Be ready for symt
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58442
--- Comment #2 from Jan-Benedict Glaw ---
So r0 is waay off. As we're far into the function (950) and fiddling with r0,
I guess this is the final part, preparing to return from here. An assembler
dump of the whole function would be helpful I hope
old,rtl,tree --enable-languages=c,c++,lto
--enable-plugin --with-tune=native --with-arch=native
--enable-version-specific-runtime-libs
Thread model: posix
gcc version 4.9.0 20130917 (experimental) [trunk revision 202642] (GCC)
$ g++ -fpreprocessed -O3 -c SmallVectorTest.ii
SmallVectorTest.ii: In
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58441
--- Comment #3 from Caroline Tice ---
Could you be a little more specific please? What header are you seeing where?
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446
--- Comment #4 from Gregor Richards ---
Created attachment 30833
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30833&action=edit
x86/x86_64 support for musl
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58437
--- Comment #9 from Tammy Hsu ---
Marc/Paolo/Chris,
Thanks a lot for your help. It's awesome to see so many activities within hours
after submitting the bug.
Thanks, Tammy
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58437
--- Comment #11 from Tammy Hsu ---
Jeffrey,
It's weird indeed. We are still using gcc445 for our production releases and
are in the process of evaluating gcc481/gcc473. The performance tests show
slowness in some tests
I also don't have gcc4
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446
Rich Felker changed:
What|Removed |Added
CC||bugdal at aerifal dot cx
--- Comment #9 fro
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446
--- Comment #7 from Gregor Richards ---
Created attachment 30836
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30836&action=edit
powerpc support for musl
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446
--- Comment #8 from Gregor Richards ---
Created attachment 30837
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30837&action=edit
aarch64 support for musl
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446
--- Comment #5 from Gregor Richards ---
Created attachment 30834
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30834&action=edit
arm support for musl
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446
--- Comment #6 from Gregor Richards ---
Created attachment 30835
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30835&action=edit
mips support for musl
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58437
--- Comment #10 from Jeffrey M. Birnbaum ---
Tammy,
Something must have been in the air because your timestamp on the bug
submission means that right at the time you were reporting the bug I was
actively looking into why I was seeing horrible sor
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446
--- Comment #3 from Gregor Richards ---
Created attachment 30832
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30832&action=edit
libssp support for musl
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58329
Jan Hubicka changed:
What|Removed |Added
Status|UNCONFIRMED |WAITING
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446
--- Comment #2 from Gregor Richards ---
Created attachment 30831
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30831&action=edit
gcc_cv_target_dl_iterate_phdr=yes on musl (note that due to a bug in making
these .diffs, the configure.ac chang
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446
--- Comment #1 from Gregor Richards ---
Created attachment 30830
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30830&action=edit
Fix for gomp to specify _POSIX_SOURCE requirements
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446
Bug ID: 58446
Summary: Support for musl libc
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: u
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58398
--- Comment #7 from edlinger at gcc dot gnu.org ---
Author: edlinger
Date: Tue Sep 17 14:51:06 2013
New Revision: 202655
URL: http://gcc.gnu.org/viewcvs?rev=202655&root=gcc&view=rev
Log:
2013-09-17 Bernd Edlinger
PR ipa/58398
*
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58445
Bug ID: 58445
Summary: dragonegg needs
plugin/include/config/i386/stringop.def and
plugin/include/config/i386/x86-tune.def installed
Product: gcc
Version: 4.9.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58329
--- Comment #11 from Jan Hubicka ---
Author: hubicka
Date: Tue Sep 17 15:46:06 2013
New Revision: 202657
URL: http://gcc.gnu.org/viewcvs?rev=202657&root=gcc&view=rev
Log:
PR middle-end/58329
* ipa-devirt.c (ipa_devirt): Be ready for symta
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58294
Jan Hubicka changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58084
Jan Hubicka changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58444
Bug ID: 58444
Summary: [4.9 regression] Runfail on spec2006/434.zeusmp after
r202516.
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58088
--- Comment #11 from ktkachov at gcc dot gnu.org ---
Author: ktkachov
Date: Tue Sep 17 13:59:42 2013
New Revision: 202653
URL: http://gcc.gnu.org/viewcvs?rev=202653&root=gcc&view=rev
Log:
[gcc/]
2013-09-17 Kyrylo Tkachov
PR tree-optimizati
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58088
ktkachov at gcc dot gnu.org changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58443
Bug ID: 58443
Summary: ubsan doesn't properly honor fsanitize= flags
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sani
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58443
Marek Polacek changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58442
--- Comment #1 from Martin Husemann ---
(gdb) x/i 0x0092cdb0
=> 0x92cdb0 : movb 0x14(r0),r0
(gdb) info reg
r0 0x4 4
r1 0x8 8
r2 0x0 0
r3 0xf0c308 15778568
r4 0x0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58442
Bug ID: 58442
Summary: bootstrapping vax crashes on NetBSD
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58359
--- Comment #2 from Marc Glisse ---
Another optimization prevented by __builtin_unreachable:
extern void f();
void g(int i){
if(i>0){
f();
__builtin_unreachable();
}
}
misses that f is a tail call and generates at -O3 on x86_64:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58088
--- Comment #10 from ktkachov at gcc dot gnu.org ---
Author: ktkachov
Date: Tue Sep 17 13:29:41 2013
New Revision: 202652
URL: http://gcc.gnu.org/viewcvs?rev=202652&root=gcc&view=rev
Log:
[gcc/]
2013-09-17 Kyrylo Tkachov
PR tree-optimizati
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58338
--- Comment #3 from Marc Glisse ---
Author: glisse
Date: Tue Sep 17 12:23:54 2013
New Revision: 202650
URL: http://gcc.gnu.org/viewcvs?rev=202650&root=gcc&view=rev
Log:
2013-09-17 Marc Glisse
PR libstdc++/58338
* include/bits/stl_vect
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58417
--- Comment #6 from Richard Biener ---
So we want the evolution of sum_11 in the following loop (for a use on the
exit edge):
# i_18 = PHI
# sum_19 = PHI
# prevsum_21 = PHI
foo (sum_19);
_7 = i_18 + -1;
_8 = (long long int) _7;
_
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58437
--- Comment #8 from Paolo Carlini ---
Thanks Chris. Note that, according at least to the Dup bug, some slow down is
noticeable in other less special cases too.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58437
--- Comment #7 from Chris Jefferson ---
I will look at this next week. Quicksorts are always suboptimal for mostly
sorted (forwards or backwards) data, and it would be nice to fix that.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58418
Richard Biener changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58437
Richard Biener changed:
What|Removed |Added
Target Milestone|--- |4.7.4
Summary|[4.7/4.7/4.9 Re
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58332
Richard Biener changed:
What|Removed |Added
Target Milestone|--- |4.9.0
Summary|error: inlined_
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58432
Richard Biener changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58441
Richard Biener changed:
What|Removed |Added
Priority|P3 |P1
Component|other
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58432
--- Comment #5 from Richard Biener ---
Author: rguenth
Date: Tue Sep 17 07:47:49 2013
New Revision: 202644
URL: http://gcc.gnu.org/viewcvs?rev=202644&root=gcc&view=rev
Log:
2013-09-17 Richard Biener
PR tree-optimization/58432
* tree-l
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56875
--- Comment #4 from Jan-Benedict Glaw ---
You're quite right, Martin! It's a simple fix on the GCC side working around a
buggy gas, and it would also work with a fixed gas. However, gas isn't too
simple to fix, at least not with a well-architecte
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56875
--- Comment #3 from Martin Husemann ---
Of course I do not mind fixing gas, but the whole point of the "D" formatting
code is to work around this assembler bug, and while this might be mostly
irrelevant nowadays, isn't gcc supposed to work with ot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58441
Dmitry Gorbachev changed:
What|Removed |Added
CC||cmtice at google dot com
--- Comment #
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58441
Bug ID: 58441
Summary: VTV headers are installed into the general include
directory
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: minor
Pri
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