i.e. replacing "-wrapper gdb" with "-wrapper
gdbserver,localhost:2345". Then you can connect your IDE to that
gdbserver and fully use the IDE interface to debug. You can configure
running gcc with a gdbserver as a pre-task to automate this.
- Tim
PS: When I tried CLion la
y lately switched to C++11 or other reasons. The
responses answered my question, thanks.
- Tim
consensus on which data structure implementation is
preferred. Should I rather use a hash_map instead of an unordered_map
or is it on my side to decide which one I choose?
- Tim
qualifier simplifies deducing that the
memory location the parameter point to is never written for Wrestrict
and already silences the warning.
What do you think?
- Tim
[0] https://lists.gnu.org/archive/html/bug-gnulib/2022-07/msg00066.html
[1] https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2912
8 spaces with 1 tab before sending the
patch. That still wastes time because all files that I didn't touch
look ugly unless I temporarily change the tabSize and some comments
don't use tabs so I can't just replace all 8 spaces with 1 tab. For
reference, my config file
Hi,
here's the updated patch that should address all the comments from the v2.
- Tim
This patch adds an checker that warns about code paths in which a buffer is
assigned to a incompatible type, i.e. when the allocated buffer size is not a
multiple of the pointee's size.
2022-07-30
On Wed Jun 29, 2022 at 7:39 PM CEST, David Malcolm wrote:
> On Wed, 2022-06-29 at 17:39 +0200, Tim Lange wrote:
>
> > Hi,
>
> Thanks for the updated patch.
>
> Overall, looks nearly ready; various nits inline below, throughout...
>
> >
> > I've
as I just worked on
the event splitting, the regression tests are yet to run.
- Tim
This patch adds an checker that warns about code paths in which a buffer is
assigned to a incompatible type, i.e. when the allocated buffer size is not a
multiple of the pointee's size.
gcc/analyzer/ChangeLog:
ue easily. Deferring the whole pop_frame to the before node
breaks the assumptions inside exploded_graph::get_or_create_node.
I don't know what's the best/elegant way of solving this. Is a solution to
attach the return svalue to the return edge and then use it later in the
PK_BEFORE
On Sat Jun 18, 2022 at 12:13 AM CEST, David Malcolm wrote:
> On Fri, 2022-06-17 at 22:23 +0200, Tim Lange wrote:
> > On Fri, Jun 17, 2022 at 01:48:09PM -0400, David Malcolm wrote:
> > > On Fri, 2022-06-17 at 17:54 +0200, Tim Lange wrote:
>
> [...snip...]
>
> > &g
On Fri, Jun 17, 2022 at 01:48:09PM -0400, David Malcolm wrote:
> On Fri, 2022-06-17 at 17:54 +0200, Tim Lange wrote:
> > Hi everyone,
>
> Hi Tim.
>
> Thanks for the patch.
>
> Various comments inline below, throughout...
>
> >
> > tracked in PR105
On Fr, Jun 17 2022 at 22:45:42 +0530, Prathamesh Kulkarni
wrote:
On Fri, 17 Jun 2022 at 21:25, Tim Lange wrote:
Hi everyone,
Hi Tim,
Thanks for posting the POC patch!
Just a couple of comments (inline)
Hi Prathamesh,
thanks for looking at it.
tracked in PR105900 [0], I'd li
mentation for foo and bar.
* gcc.dg/analyzer/allocation-size-1.c: New test.
* gcc.dg/analyzer/allocation-size-2.c: New test.
* gcc.dg/analyzer/allocation-size-3.c: New test.
* gcc.dg/analyzer/allocation-size-4.c: New test.
Signed-off-by: Tim Lange
---
bout the usage of those without them having an implementation.
I changed those structs to have an empty implementation, such that the
additional warning are gone. I think this shouldn't change the test
case, so is this change okay?
- Tim
[0] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105900
[
On Do, Jun 9 2022 at 13:40:06 -0400, David Malcolm
wrote:
On Thu, 2022-06-09 at 16:49 +0200, Tim Lange wrote:
> On Mi, Jun 8 2022 at 11:12:52 -0400, David Malcolm
wrote:
> > On Wed, 2022-06-08 at 01:42 +0200, Tim Lange wrote:
> >
> > Hi Dave,
Hi Tim; var
> On Mi, Jun 8 2022 at 11:12:52 -0400, David Malcolm
wrote:
> > On Wed, 2022-06-08 at 01:42 +0200, Tim Lange wrote:
> >
> > Hi Dave,
> >
> > I did spent some time to think about the zero state machine. I
first
> > thought about distinguishing between
Hi everyone,
my name is Tim and I'm also working on the static analyzer this summer.
Some of you might already noticed my nooby questions in the IRC ;).
Specifically, I'll be working on extending the analyzer with several
smaller warnings that the clang analyzer already has. David
Hi everyone,
Hi David,
I'm interested in extending the static analysis pass as a GSoC project.
Short introduction of me: I'm Tim, currently doing my master in
computer science with focus on IT security at TU Darmstadt. I already
worked with IFDS as part of my bachelor thesis and
On Fri, 6 Sep 2019, Jonathan Wakely wrote:
> On Fri, 6 Sep 2019 at 04:26, Tim Rice wrote:
> >
> >
> > I have a use case where I would like gcc to accept -Kthread
> > and act as if it was passed -pthread. So -Kthread would
> > be a synonym for -pthread.
>
>
.
Thanks.
--
Tim RiceMultitalents
t...@multitalents.net
Will take care of it this evening then. If I get stuck or need some help
I'll try the IRC channel or reply to this mail again :).
Tim.
On 11/5/18 8:40 AM, Jakub Jelinek wrote:
On Mon, Nov 05, 2018 at 08:36:44AM +0100, Tim van Deurzen wrote:
I've received a lot of good advice from N
nce I've
worked with SVN.
When exactly is the feature deadline?
Tim.
P.S. I will make time this month to start applying Nathan's advice and
push the implementation to the next step.
P.P.S. The copyright situation has been resolved and I can continue
contributing without issue.
GCC development that are well suited to
discussing this topic?
Best regards,
Tim.
On 8/30/18 8:16 PM, Marek Polacek wrote:
On Thu, Aug 30, 2018 at 08:07:05PM +0200, Jakub Jelinek wrote:
On Thu, Jan 11, 2018 at 02:06:06PM +, Joseph Myers wrote:
On Thu, 11 Jan 2018, David Brown wrote:
May
Dear,
For the foreseeable future we will not be able to provide our mirrors
anymore. Could you please remove:
nl.mirror.babylon.network
fr.mirror.babylon.network
Thanks!
--
Tim Semeijn
Babylon Network
PGP: 0x2A540FA5 / 3DF3 13FA 4B60 E48A E755 9663 B187 0310 2A54 0FA5
signature.asc
to take
care of the copyright assignment.
Thank you!
Tim.
Hi Jakub,
On 01/10/2018 10:32 PM, Jakub Jelinek wrote:
On Wed, Jan 10, 2018 at 10:24:00PM +0100, Tim van Deurzen wrote:
On 01/10/2018 02:00 PM, Jonathan Wakely wrote:
On 9 Jan 2018 10:56 p.m., "Tim van Deurzen" wrote:
Just to confirm with you, it does make sense to con
On 01/10/2018 02:00 PM, Jonathan Wakely wrote:
On 9 Jan 2018 10:56 p.m., "Tim van Deurzen" wrote:
Just to confirm with you, it does make sense to conditionally
parse the token for operator<=> in libcpp (i.e. only when the cxx
standard being used is >=2a)? I&
On 01/08/2018 11:28 PM, Jason Merrill wrote:
On Mon, Jan 8, 2018 at 5:13 PM, Jonathan Wakely wrote:
On 8 January 2018 at 22:07, Jason Merrill wrote:
On Mon, Jan 8, 2018 at 4:07 PM, Tim van Deurzen wrote:
I've been spending some time the past few weeks implementing p0515r2,
i.e
is
structured? I want to make sure I go about this correctly.
If this is the wrong place to ask for help, please redirect me, so that
I don't unnecessarily spam the wrong mailing list :-).
Kind regards,
Tim.
We will soon decommission our Canadian mirror due to restructuring.
Please remove the following server from the mirror list:
ca.mirror.babylon.network/gcc
Our French mirrors will remain active.
Thanks!
--
Tim Semeijn
Babylon Network
PGP: 0x2A540FA5 / 3DF3 13FA 4B60 E48A E755 9663 B187 0310
informed you sufficiently and if you have any questions
please let me know.
Best regards,
--
Tim Semeijn
Babylon Network
PGP: 0x2A540FA5 / 3DF3 13FA 4B60 E48A E755 9663 B187 0310 2A54 0FA5
signature.asc
Description: OpenPGP digital signature
://ca.mirror.babylon.network/gcc/ |
rsync://ca.mirror.babylon.network/gcc/, thanks to Tim Semeijn
(noc@babylon.network) at Babylon Network.
---
Thanks in advance!
--
Tim Semeijn
Babylon Network
PGP: 0x2A540FA5 / 3DF3 13FA 4B60 E48A E755 9663 B187 0310 2A54 0FA5
signature.asc
Description: OpenPGP digital
On 10/14/2015 11:36 AM, Steve Kargl wrote:
> On Wed, Oct 14, 2015 at 11:32:52AM -0400, Tim Prince wrote:
>> Sorry if someone sees this multiple times; I think it may have been
>> stopped by ISP or text mode filtering:
>>
>> Since Sept. 26, the partial support for Wind
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512
Dear Gerald,
Thanks for processing the patch!
Best regards,
On 4/23/15 11:49 PM, Gerald Pfeifer wrote:
> On Fri, 17 Apr 2015, Tim Semeijn wrote:
>> We have changed our company name, hostnames and contact
>> information. Please rem
:
- ---
http://mirror0.babylon.network/gcc/
https://mirror0.babylon.network/gcc/
ftp://mirror0.babylon.network/gcc/
rsync://mirror0.babylon.network/gcc/
Location: Gravelines, France
Contact: Tim Semeijn (noc@babylon.network) at Babylon Network
- ---
http://mirror1.babylon.network/gcc/
https
/gcc/
ftp://mirror0.babylon.network/gcc/
rsync://mirror0.babylon.network/gcc/
Location: Gravelines, France
Contact: Tim Semeijn (noc@babylon.network) at Babylon Network
- ---
http://mirror1.babylon.network/gcc/
https://mirror1.babylon.network/gcc/
ftp://mirror1.babylon.network/gcc/
rsync
rsive function A,
split it into function B and C, so that A is equivalent to { B();
return C(); }, where B should be easy to inline (e.g. no recursive
calls) and C may not.
Is it possible/reasonable to do such an optimization? I hope it can help. :)
Thanks!
--
Regards,
Tim Shen
c://mirror-nl1.bbln.org/gcc
As contact for these mirrors you can list: BBLN (n...@bbln.org)
Thanks in advance!
- --
Tim Semeijn
pgp 0x08CE9B4D
-BEGIN PGP SIGNATURE-
Version: GnuPG v2.0.22 (GNU/Linux)
iQEcBAEBAgAGBQJUTqSFAAoJEB4F+FYIzptNRQ4H/imDU1bWiveW0t
please let me know!
Best regards,
Tim Semeijn
BBLN
ot;no-fast") settings locally, so that complex-limited-range might be in
effect inside the scope of the directive (no matter whether you want
it). They made changes in the current beta compiler, so it's no longer
practical to set standard-compliant options but discard them by pragma
in individual for loops.
--
Tim Prince
as I'm aware, the users don't actually care about precision
(they'd better not!).The difference is that this one doesn't force a
frame pointer to be created, which can be good for optimised code.
Cheers.
Tim.
-funsafe-math-optimizations then
it should flip it back onto fast?
That seems reasonable.
I do see an improvement in several benchmarks by use of fma when I
append -ffp-contract=fast after -std=c99
Thanks.
--
Tim Prince
On 2/17/2014 4:42 AM, Renato Golin wrote:
On 16 February 2014 23:44, Tim Prince wrote:
I don't think many people want to use both OpenMP 4 and older Intel
directives together.
I'm having less and less incentives to use anything other than omp4,
cilk and whatever. I think we should
think gcc supports those only by explicit intrinsics.
I don't think many people want to use both OpenMP 4 and older Intel
directives together.
Several of these directives are still in an embryonic stage in both
Intel and gnu compilers.
--
Tim Prince
-O2 -ftree-vectorize can't be considered or
-fno-strict-aliasing has to be set, I'm not about to second such a motion.
--
Tim Prince
On 2/7/2014 11:09 AM, Tim Prince wrote:
On 02/07/2014 10:22 AM, Jakub Jelinek wrote:
On Thu, Feb 06, 2014 at 05:21:00PM -0500, Tim Prince wrote:
I'm seeing vectorization but no output from
-ftree-vectorizer-verbose, and no dot product vectorization inside
omp parallel regions, with
On 02/07/2014 10:22 AM, Jakub Jelinek wrote:
On Thu, Feb 06, 2014 at 05:21:00PM -0500, Tim Prince wrote:
I'm seeing vectorization but no output from
-ftree-vectorizer-verbose, and no dot product vectorization inside
omp parallel regions, with gcc g++ or gfortran 4.9. Primary target
ries about what the developers intend. I suppose
this was posted on gcc list on account of such questions being ignored
on gcc-help.
--
Tim Prince
ed 24
AVX-512 registers in the ifort compilation (/arch:MIC-AVX512) to avoid
those spills and repeated memory operands in the gfortran avx2 compilation.
How small a ratio of floating point to total instructions can you call
"real Fortran?"
--
Tim Prince
le-languages='c
c++ fortran' --enable-libgomp --enable-threads=posix
--disable-libmudflap --disa
ble-__cxa_atexit --with-dwarf2 --without-libiconv-prefix
--without-libintl-prefi
x --with-system-zlib
--
Tim Prince
at OpenMP chunks are more frequently
unaligned. In fact, parallel for simd seems to perform nearly the same
with gcc-4.9 as with icc.
Many decisions on compiler defaults still are based on an unscientific
choice of benchmarks, with gcc evidently more responsive to input from
the community.
--
Tim Prince
which are accepted but apparently ignored in the Intel omp
simd implementation).
I'll be discussing in a meeting later today my effort to publish
material including discussion of OpenMP 4.0 implementations.
--
Tim Prince
ly someone of the steering committee :)), who
could answer us some questions and give us an insight in the
development(-procedure).
If you could help us (or know someone that knows someone :)), please
send me an e-mail.
Thanks in advance,
Tim Schürmann
Freelance Author
tisch...@yahoo.
de on /your/
processor - don't jump to conclusions, or accept other benchmarks as
giving the complete picture.
Agreed.
--
Tim Prince
the fsin code.
I will try to optimize Moshier's SIN function later on.
Well I will be surprised if you can find significant
optimizations to that very clever routine. Certainly
you have to be a floating-point expert to even touch it!
Robert Dewar
--
Tim Prince
2013 at 6:56 PM, Florian Weimer wrote:
> On 04/24/2013 12:45 PM, Tim Shen wrote:
>>
>> I'm very interested in implementing a NFA->DFA module(does that mean a
>> Thompson automaton?) so that the exponential searching algorithm can
>> be reduced to a linear state
earch algo as a final solution :)
On Wed, Apr 24, 2013 at 4:30 PM, Florian Weimer wrote:
> On 04/23/2013 07:21 PM, Tim Shen wrote:
>>
>> I've made a proposal under the guide of application. Is it detailed
>> and realistic?
>
>
> Out of curiosity, do you pla
I in
the right direction?
Thanks!
--
Tim Shen
Completing C++11 regex
* The Project
This proposal aims to implement regex interfaces required by the C++11 standard
as much as the student can.
Besides, I get a clear status
here(http://stackoverflow.com/questions/12530406/is-gcc4-7-bugg
those two specializations?
Thanks!
--
Tim Shen
the results returned by fpclassify.
64-bit gcc defaults to -mfpmath=sse.
--
Tim Prince
tedly correct in not making such replacements as a default in
violation of C specification.
--
Tim Prince
than explicitly split (64-bit) loads, but the architecture manuals
disagree with this finding. gcc already does a good job for corei7[-1]
in such situations.
--
Tim Prince
compiler.
Normally, this means you didn't install the optional (32-bit)
glibc-devel i386.
--
Tim Prince
+kOkfeSQ+AvkWghU=
=snlv
-END PGP SIGNATURE-
Surely someone has pointed out, you should require only to sort the file
by placing the dimension statement ahead of the data statement, if you
don't wish to adopt more modern syntax.
--
Tim Prince
t but difficult to follow.
It's nearly impossible to compare icc and gcc optimization other than by
examining assembly and using a profiler which shows paths taken.
--
Tim Prince
be written
return x==y ? x+y : x-y;
--
Tim Prince
read?
Do you have a specific OS family in mind?
--
Tim Prince
-> 1.
DEFECT: Calculated (1-0.11102230E-15)**(-0.18014399E+17)
differs from correct value by -0.34413050E-08
This much error may spoil calculations such as compounded interest.
--
Tim Prince
ure, but I thought the 64-bit pow() was OK.
Andrew.
No problems seen under elefunt with glibc 2.12 x86_64.
--
Tim Prince
, but gcc doesn't
know anything about the quality of math libraries present; it doesn't
even take into account whether it's glibc or something else.
--
Tim Prince
ng, but this might point to a bug in the
cpu instruction FPREM1
Kind Regards
James
As I recall, the remaindering instruction was documented as using a
66-bit rounded approximation fo PI, in case that is what you refer to.
--
Tim Prince
options, e.g. auto-vectorization of sum reduction.
If you do want gcc -fcx-limited range, icc spells it -complex-limited-range.
--
Tim Prince
s linux license:
http://software.intel.com/en-us/articles/Non-Commercial-license/?wapkw=%28non-commercial+license%29
It isn't supported in the gcc context. Needless to say, I don't speak
for my employer.
--
Tim Prince
ituation may be useful.
--
Tim Prince
an someone confirm that a change has been made and where I can find
more information about it?
Thanks!
--
.Tim
Tim D. Hammer
Software Developer
Global Business & Services Group
Xerox Corporation
M/S 0111-01A
800 Phillips Road
Webster, NY 14580
Phone: 585/427-1684
Fax: 585/231-5596
Mai
ences
of 1 ULP.
--
Tim Prince
reversal machinery, but I haven't seen it
used for vectorization. In a simple case like this, some might argue
there's no reason to write a backward loop when it could easily be
reversed in source code, and compilers have been seen to make mistakes
in reversal.
--
Tim Prince
other compilers, but that could be an accident.
At this point, I'd like to congratulate the developers for the progress
already evident in 4.6.
--
Tim Prince
On 1/21/2011 10:43 AM, H.J. Lu wrote:
Hi,
SInce -O3 turns on vectorizer, should it also turn on
-funroll-loops?
Only if a conservative default value for max-unroll-times is set 2<=
value <= 4
--
Tim Prince
l/gcc-testresults/2010-09/msg00295.html
There are no libstdc++ results in that.
Richard.
This is true. I always run make check-gcc. What should I be doing instead?
make -k check
make check-c++ runs both g++ and libstdc++-v3 testsuites.
--
Tim Prince
of obscurity
which you add. How is this topic appropriate to gcc mail list?
--
Tim Prince
OWTO/Assembly-HOWTO/gas.html ?
--
Tim Prince
link into multiple steps in order to deal with command line length
limits. I would suggest adapting that. Can't study it myself now while
travelling.
--
Tim Prince
running the compiler.
Ian
Is it reasonable to assume when the configure test reports using GNU
linker, it has taken that "exception," even without a --with-ld
specification?
--
Tim Prince
ob is maintenance of gnu
software (with committee approval), but this does not extend to those of
us for whom it is a secondary role. There once was a survey requesting
responses on how our FSF submissions compared before and after current
employment began, but no summary of the results.
--
Tim Prince
ple of days.
Thanks.
--
Tim Prince
On 4/8/2010 2:40 PM, Dave Korn wrote:
On 07/04/2010 19:47, Tim Prince wrote:
Will there be a notification if and when C++ run-time will be ready to
test on secondary platforms, or will platforms like cygwin be struck
from the secondary list?
What exactly are you talking about
.5 RC for
cygwin gcc/gfortran, didn't know of any other supported languages worth
testing.
My ia64 box died a few months ago, but suse-linux surely was at least as
popular as unknown-linux in recent years.
--
Tim Prince
could match the floating
point hardware performance, even for a case which starts with operands
in memory (but you mention the case following an addition).
--
Tim Prince
ut 2 years. Whether vectorizing or not,
on an 8 core CPU, the OpenMP introduced in gcc 4.2 would be useful.
This looks like a gcc-help mail list question, which is where you should
submit any follow-up.
--
Tim Prince
imizing for early Intel 64-bit Xeon, -mtune=barcelona
would not be consistently good, and you could not use -msse4 or -xSSE4.2.
For optimization which observes standards and also disables vectorized
sum reduction, you would omit -ffast-math for gcc, and set icc -fp-model
source.
--
Tim Prince
-fortran, make check-g++
separately. Perhaps a script could be made which would detect when the
build is complete, then submit the separate make check serial jobs together.
--
Tim Prince
would have been more appropriate for gcc-help, if
related to gcc, or maybe comp.lang.c, if a question about implementation
in accordance with standard C.
--
Tim Prince
required for those 64-bit targets.
--
Tim Prince
which has trouble with it. I do find your
observation interesting.
As far as I know, the oldest distro which works well on Core I7 is
RHEL5.2 x86_64, which I run, with updated gcc and binutils, and HT
disabled, as I never run applications which could benefit from HT.
--
Tim Prince
them.
--
Tim Prince
Steve White wrote:
I was under the misconception that each of these SSE operatons
was meant to be accomplished in a single clock cycle (although I knew there
are various other issues.)
Current CPU architectures permit an SSE scalar or parallel multiply and
add instruction to be issued on eac
torbenh wrote:
can you please explain, why you reject the idea of -fnoalias ?
msvc has declspec(noalias) icc has -fnoalias
msvc needs it because it doesn't implement restrict and supports
violation of typed aliasing rules as a default. ICL needs it for msvc
compatibility, but has better alt
Benjamin Redelings I wrote:
Thanks for the information!
Here are several reasons (there are more) why gcc uses 64-bit loads by
default:
1) For a single dot product, the rate of 64-bit data loads roughly
balances the latency of adds to the same register. Parallel dot products
(using 2 accumul
Benjamin Redelings I wrote:
Hi,
I have been playing with the GCC vectorizer and examining assembly code
that is produced for dot products that are not for a fixed number of
elements. (This comes up surprisingly often in scientific codes.) So
far, the generated code is not faster than non-ve
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