I've searched several of the other Wunitialized reports, but without deeper
knowledge, I wasn't able to conclude whether this is a dup.
Note that even if i happens to be zero-initialized, it is only in this
strapped-down testcase. In the program I am hacking, I got an out-of-bound of
roughly 2^31
--- Comment #1 from sezeroz at gmail dot com 2010-03-14 06:37 ---
gcc-4.4 seems affected, too.
--
sezeroz at gmail dot com changed:
What|Removed |Added
CC
--- Comment #10 from pault at gcc dot gnu dot org 2010-03-14 06:27 ---
Will check this out as soon as I am back at base.
Paul
--
pault at gcc dot gnu dot org changed:
What|Removed |Added
I believe the -O1 result is correct.
reg...@john-home:~/volatile/bugs/tmp290/2$ current-gcc -O1 small.c -o small
reg...@john-home:~/volatile/bugs/tmp290/2$ ./small
11
reg...@john-home:~/volatile/bugs/tmp290/2$ current-gcc -O2 small.c -o small
reg...@john-home:~/volatile/bugs/tmp290/2$ ./small
8
re
The polyhedron 2005 benchmark gas_dyn executes 230% slower when compiled with
-fgraphite=identity and -ffast-math -funroll-loops -O3 on i686-apple-darwin10.
The majority of the slowdown is due to reduced optimizations in the EOS
subroutine of the benchmark. If that subroutine is compiled separately
--- Comment #5 from pinskia at gcc dot gnu dot org 2010-03-14 00:02 ---
Created an attachment (id=20102)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20102&action=view)
Patch that needs testing
I don't have a machine setup up to test this patch on but it works for the
simple test
--- Comment #4 from pinskia at gcc dot gnu dot org 2010-03-13 23:59 ---
So right after the NOTE_INSN_EPILOGUE_BEG, we have a NOTE_INSN_DELETED. The
spu back-end emits it with a comment of:
/* A NOTE_INSN_DELETED is supposed to be at the start and end of
the "toplevel" insn chain.
--- Comment #3 from pinskia at gcc dot gnu dot org 2010-03-13 23:42 ---
With RTL checking turned on, we get
t.c:4:1: internal compiler error: RTL check: access of elt 7 of 'note' with
last elt 6 in add_reg_note, at rtlanal.c:1902
Which is what I expected to get. I forgot that rtl chec
--- Comment #2 from d dot g dot gorbachev at gmail dot com 2010-03-13
23:38 ---
I believe that GCC is correct, and the warning is good. The actual bug was
introduced in MinGW-w64 in revision 1699.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43356
--- Comment #1 from segher at gcc dot gnu dot org 2010-03-13 23:17 ---
Created an attachment (id=20101)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20101&action=view)
testcase
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43358
The attached testcase (derived from the Linux kernel) fails with:
itimer.i:38:1: internal compiler error: in pool_free, at alloc-pool.c:335
The original fails like this as well, of course.
-O1 or higher is required.
--
Summary: internal compiler error: in pool_free, at alloc-
--- Comment #7 from espindola at gcc dot gnu dot org 2010-03-13 18:10
---
The llvm change is
http://llvm.org/viewvc/llvm-project?view=rev&revision=64616
so I still don't know why gold is not returning LDPR_PREVAILING_DEF for the
common symbol definition.
--
http://gcc.gnu.org/bug
--- Comment #6 from espindola at gcc dot gnu dot org 2010-03-13 18:02
---
It works with the llvm plugin for gold. I also find the gold output funny. What
the llvm plugin does is
if (I->syms[i].resolution == LDPR_PREVAILING_DEF ||
(I->syms[i].def == LDPK_COMMON &&
--- Comment #3 from spop at gcc dot gnu dot org 2010-03-13 17:49 ---
Subject: Bug 43351
Author: spop
Date: Sat Mar 13 17:49:24 2010
New Revision: 157442
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157442
Log:
Add testcase for PR43351.
2010-03-13 Sebastian Pop
PR
--- Comment #7 from spop at gcc dot gnu dot org 2010-03-13 17:43 ---
Fixed.
--
spop at gcc dot gnu dot org changed:
What|Removed |Added
Status|ASSIGNED
--- Comment #8 from spop at gcc dot gnu dot org 2010-03-13 17:36 ---
Fixed.
--
spop at gcc dot gnu dot org changed:
What|Removed |Added
Status|ASSIGNED
--- Comment #6 from spop at gcc dot gnu dot org 2010-03-13 17:36 ---
Fixed.
--
spop at gcc dot gnu dot org changed:
What|Removed |Added
Status|ASSIGNED
--- Comment #5 from spop at gcc dot gnu dot org 2010-03-13 17:35 ---
Subject: Bug 43354
Author: spop
Date: Sat Mar 13 17:35:45 2010
New Revision: 157440
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157440
Log:
Fix PR43354: Correctly handle default definitions.
2010-03-13 Seb
--- Comment #7 from spop at gcc dot gnu dot org 2010-03-13 17:35 ---
Subject: Bug 43349
Author: spop
Date: Sat Mar 13 17:35:37 2010
New Revision: 157439
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157439
Log:
Add testcase from PR43349.
2010-03-11 Sebastian Pop
PR
--- Comment #6 from spop at gcc dot gnu dot org 2010-03-13 17:35 ---
Subject: Bug 43306
Author: spop
Date: Sat Mar 13 17:34:59 2010
New Revision: 157434
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157434
Log:
Fix PR43306: correct evolution_function_right_is_integer_cst.
2010
--- Comment #4 from spop at gcc dot gnu dot org 2010-03-13 17:27 ---
Subject: Bug 43354
Author: spop
Date: Sat Mar 13 17:27:15 2010
New Revision: 157429
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157429
Log:
Fix PR43354: Correctly handle default definitions.
2010-03-13 Seb
--- Comment #6 from spop at gcc dot gnu dot org 2010-03-13 17:27 ---
Subject: Bug 43349
Author: spop
Date: Sat Mar 13 17:27:09 2010
New Revision: 157428
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157428
Log:
Add testcase from PR43349.
2010-03-11 Sebastian Pop
PR
--- Comment #9 from paul dot richard dot thomas at gmail dot com
2010-03-13 17:26 ---
Subject: Re: [4.5 Regression] Wrong-code due to missing
array temp for DT with pointer component
HJ,
Thanks for doing all this backporting of the testcases.
As it happens, I have been leav
--- Comment #3 from spop at gcc dot gnu dot org 2010-03-13 17:13 ---
Reduced to:
SUBROUTINE POFUN2(DIM,GRDENT,FPART,FPARTL)
DOUBLE PRECISION GRDENT(*)
DOUBLE COMPLEX FPART(*)
DOUBLE COMPLEX FPARTL(*)
INTEGER REFLCT
IF (DIM.GT.1) THEN
ABCS3=XR
--- Comment #6 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43164
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Bac
--- Comment #6 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43229
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Bac
--- Comment #3 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43237
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Bac
--- Comment #5 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43257
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Bac
--- Comment #6 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43269
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Bac
--- Comment #12 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 42859
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Ba
--- Comment #4 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43165
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Bac
--- Comment #9 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43299
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Bac
--- Comment #6 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43191
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Bac
--- Comment #5 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43255
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Bac
--- Comment #7 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43107
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Bac
--- Comment #5 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43188
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Bac
--- Comment #13 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43180
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Ba
--- Comment #4 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43166
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Bac
--- Comment #11 from hjl at gcc dot gnu dot org 2010-03-13 16:59 ---
Subject: Bug 43209
Author: hjl
Date: Sat Mar 13 16:58:19 2010
New Revision: 157426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426
Log:
Backport testcases from mainline.
2010-03-13 H.J. Lu
Ba
--- Comment #8 from hjl dot tools at gmail dot com 2010-03-13 16:52 ---
gfortran.dg/internal_pack_12.f90 failed with gcc 4.4 branch
as of 2010-03-13. Is this a regression on 4.4 branch?
--
hjl dot tools at gmail dot com changed:
What|Removed |Added
--- Comment #4 from mikpe at it dot uu dot se 2010-03-13 16:33 ---
This is caused by r156601:
Author: rguenth
Date: Mon Feb 8 14:10:15 2010
New Revision: 156601
URL: http://gcc.gnu.org/viewcvs?root=3Dgcc&view=3Drev&rev=3D156601
Log:
2010-02-08 Richard Guenther
PR middle-en
--- /home/dave/gnu/gcc/gcc/fixincludes/tests/base/iso/math_c99.hWed May
28 21:33:13 2008
***
*** 49,55
? __builtin_signbitf(x) \
: sizeof(x) == sizeof(long double) \
? __builtin_signbitl(x)
--- Comment #3 from doko at ubuntu dot com 2010-03-13 15:28 ---
r156416 is ok, r156863 not
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43348
--- Comment #3 from debian-gcc at lists dot debian dot org 2010-03-13
14:45 ---
fixed
--
debian-gcc at lists dot debian dot org changed:
What|Removed |Added
--- Comment #2 from mikpe at it dot uu dot se 2010-03-13 14:28 ---
I can reproduce this with a gcc-4.4-20100309 cross to ia64-linux hosted on
i686-linux. A gcc-4.4.3 cross works, so this must be recent regression.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43348
--- Comment #2 from doko at gcc dot gnu dot org 2010-03-13 14:27 ---
Subject: Bug 42676
Author: doko
Date: Sat Mar 13 14:27:27 2010
New Revision: 157422
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157422
Log:
2010-03-13 Matthias Klose
PR libgcj/42676
* Reg
--- Comment #1 from ktietz at gcc dot gnu dot org 2010-03-13 14:26 ---
Created an attachment (id=20100)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20100&action=view)
preprocessed source
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43356
The following code compiled on 4.4.x works without problems, but by using gcc
4.5 it produces for -O0 wrong code, and for -O >= 1 correct code but the
strange warning (with -Wall option enabled) 'modf.c:9:1: warning: statement
with no effect.'.
#include
#include
int main( void )
{
double d = 10
--- Comment #5 from rguenth at gcc dot gnu dot org 2010-03-13 13:01 ---
Ian? What's gold up to here?
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #1 from rguenth at gcc dot gnu dot org 2010-03-13 13:00 ---
I think this is a known issue, either gold or the linker-plugin issues wrong
linker resolutions with commons.
*** This bug has been marked as a duplicate of 42757 ***
--
rguenth at gcc dot gnu dot org changed:
--- Comment #4 from rguenth at gcc dot gnu dot org 2010-03-13 13:00 ---
*** Bug 43355 has been marked as a duplicate of this bug. ***
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
---
cat
--- Comment #8 from pluto at agmk dot net 2010-03-13 12:32 ---
current 4.4 branch and trunk install correctly with make -jN.
--
pluto at agmk dot net changed:
What|Removed |Added
-
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
Target Milestone|--- |4.4.4
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43348
--- Comment #21 from rguenth at gcc dot gnu dot org 2010-03-13 11:03
---
(In reply to comment #20)
> > Like Eric I'm still seeing this fail on mainline on 32-bit sparc.
>
> The problem is that this is hard to fix without pessimizing the common case.
The rtl gcse pre issue should be tr
--- Comment #4 from mikpe at it dot uu dot se 2010-03-13 11:03 ---
Patch posted to gcc-patches:
http://gcc.gnu.org/ml/gcc-patches/2010-03/msg00510.html
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43323
--- Comment #2 from rguenth at gcc dot gnu dot org 2010-03-13 11:02 ---
If it's not a regression on the 4.4 branch then it's fixed for 4.5. We might
want to add the testcase though.
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
--
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
Component|middle-end |tree-optimization
Keywords||ice
--- Comment #16 from dominiq at lps dot ens dot fr 2010-03-13 10:56 ---
> Is /usr/include/pthread.h or one of the headers it includes matched by
> a fixincludes rule? I.e., does any of {stage{1,2,3}-,prev-,}gcc/include/fixed
> contain pthread.h or included headers, and if yes, what is
--
rwild at gcc dot gnu dot org changed:
What|Removed |Added
Status|UNCONFIRMED |WAITING
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38388
--- Comment #2 from zsojka at seznam dot cz 2010-03-13 09:19 ---
Thank you for feedback. However, this happens in r157335, so it's not fixed by
that patch. It's only reproducible with valgrind checking because
ggc_alloc_stat() uses VALGRIND_DISCARD which is a no-op in other cases. When
v
--- Comment #15 from rwild at gcc dot gnu dot org 2010-03-13 09:14 ---
(In reply to comment #14)
> a fixincludes rule? I.e., does any of {stage{1,2,3}-,prev-,}gcc/include/fixed
That should be include-fixed at the end there.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43170
--- Comment #14 from rwild at gcc dot gnu dot org 2010-03-13 09:12 ---
Thanks. Is /usr/include/pthread.h or one of the headers it includes matched by
a fixincludes rule? I.e., does any of {stage{1,2,3}-,prev-,}gcc/include/fixed
contain pthread.h or included headers, and if yes, what is
--- Comment #5 from wilson at codesourcery dot com 2010-03-13 08:23 ---
Subject: Re: [ia64] Inappropriate address spills
On third thought...
The code here makes sense if we were having problems with invalid
constant recombinations. symbol+const gets split by ia64_expand_move
into symb
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