http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55271
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55257
--- Comment #1 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-12
07:51:26 UTC ---
If the target doesn't call final_start_function and final_end_function in
output_mi_thunk targhook (or equivalent), it is a target bug.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54127
Jakub Jelinek jakub at gcc dot gnu.org changed:
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Status|NEW |ASSIGNED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55281
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55281
--- Comment #2 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-12
11:46:30 UTC ---
Actually, that shorter testcase ICEs for a different reason.
static inline float
bar (float k, float j)
{
float l = 0.0f;
if (k j)
l = k
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55281
--- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-12
15:12:20 UTC ---
Created attachment 28668
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28668
gcc48-pr55281.patch
Untested fix.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55281
--- Comment #6 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-12
16:23:29 UTC ---
I'm just testing that, so I know it doesn't have side-effects. COND_EXPR
handling which I've copied was doing the same thing. The reason for the
fold
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55257
--- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-12
17:14:41 UTC ---
It is a requirement if you want proper debug info or unwind info for the thunk,
without that (or without calling the corresponding functions yourself
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54127
--- Comment #4 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-13
07:23:56 UTC ---
Author: jakub
Date: Tue Nov 13 07:23:51 2012
New Revision: 193470
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193470
Log:
PR rtl
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55281
--- Comment #8 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-13
07:25:41 UTC ---
Author: jakub
Date: Tue Nov 13 07:25:36 2012
New Revision: 193471
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193471
Log:
PR tree
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55290
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54783
Jakub Jelinek jakub at gcc dot gnu.org changed:
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CC||hjl.tools
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55281
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Status|ASSIGNED|RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54127
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Summary|[4.7/4.8 Regression] ICE in |[4.7
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52650
Jakub Jelinek jakub at gcc dot gnu.org changed:
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Status|NEW |WAITING
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52285
--- Comment #11 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-13
10:43:58 UTC ---
I think (plus (frame) (const_int)) is likely not an issue (at least in the
common case, could be only problem if eliminated into something that needs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43631
--- Comment #5 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-13
10:50:17 UTC ---
Created attachment 28673
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28673
gcc48-pr43631.patch
Is this what you meant? make check-gcc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54073
--- Comment #8 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-13
13:04:28 UTC ---
Created attachment 28674
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28674
gcc48-pr54073.patch
On x86_64-linux on SandyBridge CPU with -O3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55094
Jakub Jelinek jakub at gcc dot gnu.org changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54073
--- Comment #11 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-13
15:24:19 UTC ---
(In reply to comment #10)
Please see PR53346, from comment 14 onwards, especially H.J.'s comment:
-quote-
I was told that cmov wins if branch
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54818
Jakub Jelinek jakub at gcc dot gnu.org changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55309
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What|Removed |Added
CC||jakub
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55309
--- Comment #4 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-14
16:37:36 UTC ---
Also, this comparison doesn't have numbers for pure clang without
-fsanitize=address and gcc without -faddress-sanitizer, so likely most of the
speed
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55337
Jakub Jelinek jakub at gcc dot gnu.org changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55337
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55332
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55330
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55329
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55331
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55331
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44578
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55331
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55329
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55346
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CC||jakub
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55341
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CC||jakub
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55341
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55350
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54073
--- Comment #13 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-16
11:40:42 UTC ---
Author: jakub
Date: Fri Nov 16 11:40:39 2012
New Revision: 193554
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193554
Log:
PR target
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55334
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
CC||jakub
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55334
--- Comment #9 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-16
13:29:05 UTC ---
Ah, on the #c5 testcase the problem seems to be const float * vs. float *,
/* If the references do not access the same object, we do not know
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55334
--- Comment #11 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-16
13:55:54 UTC ---
(In reply to comment #10)
actually looking into the generated code I do not see any trace of runtime
check
even in presence of const
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55334
--- Comment #13 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-16
14:17:00 UTC ---
(In reply to comment #12)
so a better c case is
float * mem;
void sumN(int n) {
float * a=mem;
/*const*/ float * b=mem+n;
/*const
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55337
--- Comment #2 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-16
14:33:48 UTC ---
Author: jakub
Date: Fri Nov 16 14:33:44 2012
New Revision: 193558
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193558
Log:
PR c++/55337
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55337
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55334
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What|Removed |Added
Target Milestone|--- |4.8.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54073
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Summary|[4.7/4.8 Regression]|[4.7
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55354
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55286
--- Comment #5 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-16
18:28:30 UTC ---
Created attachment 28712
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28712
assign.c
Assignment extracted into a self-contained testcase, does
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55354
--- Comment #5 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-16
20:46:35 UTC ---
For TLS, you can just use -ftls-model=initial-exec or __attribute__((tls_model
(initial-exec))). libasan from what I can see doesn't use TLS at all
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55329
--- Comment #5 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-16
22:05:36 UTC ---
Author: jakub
Date: Fri Nov 16 22:05:32 2012
New Revision: 193577
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193577
Log:
PR tree
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55341
--- Comment #6 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-17
13:03:01 UTC ---
Author: jakub
Date: Sat Nov 17 13:02:56 2012
New Revision: 193585
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193585
Log:
PR fortran
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55188
--- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-17
21:58:49 UTC ---
Author: jakub
Date: Sat Nov 17 21:58:44 2012
New Revision: 193590
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193590
Log:
PR testsuite
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55236
--- Comment #2 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-17
22:00:37 UTC ---
Author: jakub
Date: Sat Nov 17 22:00:32 2012
New Revision: 193591
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193591
Log:
PR tree
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55354
--- Comment #10 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-18
19:54:37 UTC ---
(In reply to comment #9)
NOT-SO-BAD: -fPIC -shared -ftls-model=initial-exec
% gcc x.c -O2 -fPIC -shared -o x.so -ftls-model=initial-exec ; objdump
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55354
--- Comment #12 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-18
20:09:39 UTC ---
That would effectively require building libtsan as libtsan.so.0, libtsan.a
(both -fPIC built) and libtsan_pie.a (-fPIE built), where the gcc driver
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55353
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
CC||jakub
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55354
--- Comment #14 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-19
08:54:47 UTC ---
I bet 9.5% or more of that is due to the PLT call. The thing is, even when you
have initial-exec TLS model code, if you link it into an executable
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51358
--- Comment #9 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-19
09:09:59 UTC ---
I don't see the link between the bugreport and dwarf4, why do you think this is
a regression?
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55370
Jakub Jelinek jakub at gcc dot gnu.org changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55236
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What|Removed |Added
Target Milestone|--- |4.8.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55329
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Status|ASSIGNED|RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54128
Jakub Jelinek jakub at gcc dot gnu.org changed:
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CC||aoliva
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55390
Jakub Jelinek jakub at gcc dot gnu.org changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55359
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52576
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Status|UNCONFIRMED |NEW
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54207
Jakub Jelinek jakub at gcc dot gnu.org changed:
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CC||jakub
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55389
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54325
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CC||jakub
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54630
--- Comment #11 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-19
13:44:21 UTC ---
Author: jakub
Date: Mon Nov 19 13:44:15 2012
New Revision: 193620
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193620
Log:
PR middle
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55393
Jakub Jelinek jakub at gcc dot gnu.org changed:
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CC||jakub
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54329
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Status|UNCONFIRMED |WAITING
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55389
--- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-19
16:10:38 UTC ---
Created attachment 28733
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28733
log
rm -rf x86_64-*/{,32/}libsanitizer; make all-target
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55094
Jakub Jelinek jakub at gcc dot gnu.org changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54921
--- Comment #4 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-19
18:07:33 UTC ---
Created attachment 28735
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28735
gcc48-pr54921.patch
Untested updated patch.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55359
--- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-19
19:11:29 UTC ---
Guess it is ok.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55346
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--- Comment #5 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-20
08:34:51 UTC ---
Author: jakub
Date: Tue Nov 20 08:34:43 2012
New Revision: 193647
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193647
Log:
PR rtl
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55370
--- Comment #2 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-20
08:36:37 UTC ---
Author: jakub
Date: Tue Nov 20 08:36:31 2012
New Revision: 193648
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193648
Log:
PR bootstrap
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55094
--- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-20
08:38:22 UTC ---
Author: jakub
Date: Tue Nov 20 08:38:11 2012
New Revision: 193649
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193649
Log:
PR middle-end
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54921
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55370
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55094
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Summary|[4.7/4.8 Regression] ICE in |[4.7
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55188
Jakub Jelinek jakub at gcc dot gnu.org changed:
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Status|ASSIGNED|RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54630
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54540
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55402
--- Comment #9 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-20
11:43:27 UTC ---
I believe the expensive part here is the EH, we end up with 56000 nested
try/finally constructs. With -fno-exceptions this compiles in reasonable time
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54471
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55412
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30162
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54860
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55314
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54781
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54046
--- Comment #5 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-20
16:02:33 UTC ---
I don't see how. The thing is, e.g. lower_stmt resets data-cannot_fallthru on
most of the statements, even if it got changed to reset it only
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54046
Jakub Jelinek jakub at gcc dot gnu.org changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54630
--- Comment #14 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-20
20:19:58 UTC ---
It is intentionally that way, so that one can fine tune the C++ libraries
linked into the binary with --with-host-libstdcxx, but you are responsible
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55354
--- Comment #19 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-21
08:40:52 UTC ---
(In reply to comment #18)
For actual ThreadSanitizer runtime -fPIC -ftls-model=initial-exec causes
degradation of generated code. Linker emits
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55354
--- Comment #21 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-21
09:23:56 UTC ---
(In reply to comment #20)
What I see is that it also affect code generation (register allocation). Do we
need to file a bug on that?
If you see
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55411
Jakub Jelinek jakub at gcc dot gnu.org changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55423
Jakub Jelinek jakub at gcc dot gnu.org changed:
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Status|UNCONFIRMED |RESOLVED
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