Re: kernel support for cortex A8 hardware watchpoints

2014-02-04 Thread Ulrich Weigand
Marc Kleine-Budde wrote on 04.02.2014 00:59:12: > I'm on a freescale mx53 (single core, cortex a8) and trying to find a > nasty problem in our $CUSTOMER's application. Working hardware watch > point support in gdb should solve the problem, or at least brings us a > big step forward. I stumbled ov

Re: regression of x86 gcc bootstrap with Linaro sourcebase

2012-12-11 Thread Ulrich Weigand
problem? We'll have to backport the fix to Linaro GCC as well. Also, if you don't mind, could you open a Launchpad bug to track this issue? Thanks! Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and

[ACTIVITY] Sep 24 - Sep 28

2012-10-01 Thread Ulrich Weigand
platforms to prepare for mainline. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichts

[ACTIVITY] Sep 17 - Sep 21

2012-09-25 Thread Ulrich Weigand
Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter | Geschäftsführung: Dirk

[ACTIVITY] Sep 13 - Sep 14

2012-09-14 Thread Ulrich Weigand
/ Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter | Geschäftsführung: Dirk Wittkopp Sitz

[ANNOUNCE] Linaro GDB 7.5 2012.09 released

2012-09-13 Thread Ulrich Weigand
The Linaro Toolchain Working Group is pleased to announce the release of Linaro GDB 7.5. Linaro GDB 7.5 2012.09 is the first release in the 7.5 series. ***NOTE*** Linaro GDB 7.5 2012.09 is identical to the FSF GDB 7.5 release, except for the change in version number and Linaro branding, since all

[ACTIVITY] Aug 6 - Aug 10

2012-08-10 Thread Ulrich Weigand
== GCC == * Back-ported patch to change vector alignment to 8 to FSF GCC 4.6 and 4.7 and Linaro GCC 4.6 and 4.7. * Investigated mp3player benchmark regression with Linaro GCC 4.7 backport of vector alignment patch. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr

Vector-alignment patch performance regressions

2012-08-08 Thread Ulrich Weigand
ds Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzende des Aufsichtsrats: Martina Koederitz | Geschäftsführung: Dirk Wittkopp Sitz der Gesellsch

[ACTIVITY] Jul 30 - Aug 3

2012-08-03 Thread Ulrich Weigand
-release on multiple platforms. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Ma

Re: Distinguishing SF/HF ABI binaries, take two

2012-08-02 Thread Ulrich Weigand
f data (there is a bit of extra meta data in the form of the new program header, but the actual data covered by it is not duplicated) - there are no future extensibility issues due to the use of a single byte Thoughts? Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigan

[ACTIVITY] Jul 23 - Jul 27

2012-07-27 Thread Ulrich Weigand
regressions. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Je

[ACTIVITY] Jul 16 - Jul 20

2012-07-20 Thread Ulrich Weigand
investigation of reload bug reported by ARM. == GDB == * Tested GDB 7.5 branch on ARM, found a couple of regressions. Worked on fixing HW breakpoint/watchpoint regressions. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler

Re: Help with gcov-7.c aborting

2012-07-19 Thread Ulrich Weigand
Michael Hope wrote on 19.07.2012 00:27:31: > On 19 July 2012 04:31, Ulrich Weigand wrote: > > Michael Hope wrote: > > > >> Here's the details: > >> * The test is fine when built from the command line > > > > This is weird in particular. It p

Re: Help with gcov-7.c aborting

2012-07-18 Thread Ulrich Weigand
ls 2.22 is fixed. Therefore I don't understand this: > * The fault persists with binutils 2.22 Did you perform the final link step creating the gcov-7.exe with the linker from binutils 2.22 ? Do you have a version of that executable built this way that still shows the problem? I'

Re: Help with gcov-7.c aborting

2012-07-18 Thread Ulrich Weigand
; linked version is fine, and that the failing binary works fine on a > different host. > > Could you have a poke in the build tree? Unfortunately ex.seabright.co.nz doesn't appear to be accessible at the moment. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ul

[ACTIVITY] Jul 9 - Jul 13

2012-07-13 Thread Ulrich Weigand
ARM. == Misc == * Attended GNU Tools Cauldron in Prague. Presented on GDB remote/native feature parity work. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E

[ACTIVITY] Jul 2 - Jul 6

2012-07-07 Thread Ulrich Weigand
ches. * Investigated potential reload bug reported by ARM. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitze

Re: Draft release notes for 2012.07

2012-07-05 Thread Ulrich Weigand
Ramana Radhakrishnan wrote: > https://wiki.linaro.org/RamanaRadhakrishnan/Sandbox/ > GCC201207DraftReleaseNotes#preview > > Can folks have a quick look to see if I've missed something ? Looks good to me. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulric

[ACTIVITY] Jun 25 - Jun 29

2012-06-29 Thread Ulrich Weigand
t shift by register"; fix typo in "left shift by 1"; overall simplification of implementation. Tests restarted. == GDB == * Investigated remaining GDB/Android work; reviewed card. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-

Re: Auto builder failures

2012-06-29 Thread Ulrich Weigand
st system ... Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzende des Aufsichtsrats: Martina Koederi

[ACTIVITY] Jun 18 - Jun 22

2012-06-27 Thread Ulrich Weigand
== GCC == * GCC PR 53636 fix caused regression on powerpc64 and sparc64; investigated, determined root cause, and implemented fix. == GDB == * Took over remaining GDB/Android work from Thiago. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49

[ACTIVITY] Jun 11 - Jun 14

2012-06-18 Thread Ulrich Weigand
/ Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter | Geschäftsführung: Dirk Wittkopp Sitz

Re: Vectoriser performance regression in 4.7

2012-06-11 Thread Ulrich Weigand
Mans Rullgard wrote on 11.06.2012 19:23:53: > On 11 June 2012 17:34, Ulrich Weigand wrote: > > There's a number of issues with how GCC choses the vectorize this loop > > that we can potentially improve upon.  However, it would appear that no > > matter what, it probably

Re: Vectoriser performance regression in 4.7

2012-06-11 Thread Ulrich Weigand
at on ARM, the cost model is actually off by default (it is enabled by default only on i386). We'll have to enable the cost model on ARM by default as well (and probably tune it a bit to avoid regresssions on other benchmarks). However for now, I'd recommend you use -fvect-cost-model when

[ACTIVITY] Jun 4 - Jun 8

2012-06-08 Thread Ulrich Weigand
== GCC == * Worked on reimplementing reassociation pass based on review comments I had received. * Identified root cause and worked on fix for vectorizer bug causing unaligned memory accesses (reported by Mans). Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich

[ACTIVITY] May 21 - May 25

2012-05-25 Thread Ulrich Weigand
Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter | Geschäftsführung: Dirk Wittkopp Sitz der Gesellsc

[ACTIVITY] May 14 - May 18

2012-05-18 Thread Ulrich Weigand
== GCC == * Completed implementation of new optimization sub-pass to improve re-association of plus/minus chains for types with undefined overflow (to improve end-of-loop value computation); posted to gcc-patches for review. Mit freundlichen Gruessen / Best Regards Ulrich Weigand

[ACTIVITY] May 07 - May 11

2012-05-14 Thread Ulrich Weigand
); started implementation. * Investigated GCC PR target/44141. * Started investigation of TSVC vectorizer test kernels. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E

[ACTIVITY] Apr 30 - May 04

2012-05-04 Thread Ulrich Weigand
4.7 and 4.6 pending. * Checked in mainline patch to enable -fsched-pressure by default on s390. * Ongoing work on improving end-of-loop value computation. * Started investigation of TSVC vectorizer test kernels. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich

[ACTIVITY] Apr 23 - Apr 27

2012-04-27 Thread Ulrich Weigand
testing and benchmarking. * Ongoing discussions on -fsched-pressure; worked on patch to enable it by default on s390. * Ongoing work on improving end-of-loop value computation. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU

[ACTIVITY] Apr 16 - Apr 20

2012-04-20 Thread Ulrich Weigand
pattern detection logic causes ICE in certain cases where an original sequence is recognized as part of *two* potential patterns simultaneously. * Ongoing work on improving end-of-loop value computation. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand

Update on stack (re-)alignment issues

2012-04-18 Thread Ulrich Weigand
uite involved *and* actually superfluous I'd now rather recommend that we *don't* try to implement method A) (full stack-frame re-alignment) on ARM. Comments? Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compile

[ACTIVITY] Apr 11 - Apr 13

2012-04-13 Thread Ulrich Weigand
vec_set/vec_extract for cases where the scalar operand resides in memory. * Ongoing work on fixing LP #959242. * Ongoing work on improving end-of-loop value computation. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU

RE: O2 optimization with vectorize

2012-04-11 Thread Ulrich Weigand
param max-stores-to-sink=0 This gets me identical code to just -O2 on your test case. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research &a

Re: Selectively disable vectorization

2012-04-11 Thread Ulrich Weigand
Mans Rullgard wrote on 11.04.2012 18:21:46: > On 11 April 2012 16:16, Ulrich Weigand wrote: > > "Singh, Ravi Kumar (Ravi)" wrote: > > > >> Are there any pragmas for selectively disabling (in one chunk of > >> code) the vectorization, when its enable

Re: O2 optimization with vectorize

2012-04-11 Thread Ulrich Weigand
become non-vectorizable ...) Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzende des Aufsichtsrats: Mart

Re: Selectively disable vectorization

2012-04-11 Thread Ulrich Weigand
e and build it with a different set of options ... Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzende d

Re: 2012.04 release prep

2012-04-10 Thread Ulrich Weigand
and I have just agreed to not do a respin, but release this month without the fix, and put it in for next month instead. If Matthias needs the fix for the Ubuntu/Precise compiler, he can just pull it in from upstream directly, ahead of us. Mit freundlichen Gruessen / Best Regards Ulrich Weigand

Re: Changing the time of the fortnightly performance call

2012-04-05 Thread Ulrich Weigand
New Zealand. ? Fine with me. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzende des Aufsichtsrats: M

[ACTIVITY] Mar 26 - Mar 30

2012-03-31 Thread Ulrich Weigand
in San Francisco next week, and present on "GDB on ARM". Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH

Once again bogus testsuite failures

2012-03-26 Thread Ulrich Weigand
onger contains the branch name, it still contains my user name, which happens to include the string "and" ... Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E.

[ACTIVITY] Mar 19 - Mar 23

2012-03-23 Thread Ulrich Weigand
#960817, identified both as duplicates of LP #960283. * Investigated LP #959242, determined root cause. Ongoing investigation of possible fixes. * Ongoing work on improving end-of-loop value computation. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone

[ACTIVITY] Mar 15 - Mar 16

2012-03-16 Thread Ulrich Weigand
== GCC == * Checked first part of fwprop-subreg patch into mainline. * Checked Ira's vectorizer patches into mainline. * Ongoing work on improving end-of-loop value computation. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16

[ACTIVITY] Mar 5 - Mar 8

2012-03-08 Thread Ulrich Weigand
week. == Misc == * On leave 3/9 - 3/14. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufs

Re: Linaro toolchain and ARMv6

2012-03-07 Thread Ulrich Weigand
issue; if you build a Linaro toolchain from source, you can still target older platforms as well. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland

Re: Test failures due to directory names in the test farm

2012-03-06 Thread Ulrich Weigand
thoughts on this? Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzende des Aufsichtsrats: Martina Ko

Test failures due to directory names in the test farm

2012-03-06 Thread Ulrich Weigand
e a way to interact with the build process on the build farm machines themselves to try and find out what's going on here? Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and

[ACTIVITY] Feb 27 - Mar 2

2012-03-02 Thread Ulrich Weigand
pending. * Ongoing work on improving end-of-loop value computation. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development

Re: Saturated operations

2012-02-28 Thread Ulrich Weigand
sibly in conjunction with other core-register vector operations. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development

[ACTIVITY] Feb 20 - Feb 24

2012-02-24 Thread Ulrich Weigand
Worked on improving end-of-loop value computation. * Fixed mainline .init_array/.fini_array regression on certain newlib targets. * Reviewed several merge requests. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU co

Re: gcc: Thumb interworking and weakly linked functions

2012-02-23 Thread Ulrich Weigand
powers of two, that amounts to the same) of the alignment requirements of all members. However, attribute packed for a struct applies to each element separately, and thus each element has alignment requirement 1, which is then also the maximum. Mit freundlichen Gruessen / Best Regards Ulrich

Re: gcc: Thumb interworking and weakly linked functions

2012-02-21 Thread Ulrich Weigand
t;: it reduces the alignment requirement of the struct from 2 (in this case) to 1, which is actually exactly what's causing the problems in the original test case. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU c

Re: gcc: Thumb interworking and weakly linked functions

2012-02-20 Thread Ulrich Weigand
contains only a single variable of such struct type, this is then also the alignment requirement of the section. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E.

[ACTIVITY] Feb 14 - Feb 17

2012-02-17 Thread Ulrich Weigand
work on a patch to allow memory operands with vec_set and vec_extract to avoid excessive vmov generation in the PR 51819 test case. * Started working on a patch to generate usat/ssat instructions where appropriate. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulri

Status of Linaro GCC 4.7 patches

2012-02-17 Thread Ulrich Weigand
These are actually already upstream (modulo minor cosmetic changes) and present in Linaro 4.7. All in all, once the two branches mentioned above are merged, Linaro 4.7 will have everything that's today in Linaro 4.6. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weiga

Re: No meetings except standup

2012-02-13 Thread Ulrich Weigand
> but even then I have only one ear on the meeting; the other, and both hands > > are busy trying to keep Isobelle from eating things she really shouldn't. > > Ulirch, could you run it? Sure, no problem. Do I need a master code for the teleconference? Mit freundlichen Gruessen

[ACTIVITY] Jan 30 - Feb 3

2012-02-03 Thread Ulrich Weigand
gards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter | Geschäftsführung: Dirk Wittkopp Sitz der Gesellschaft:

Re: native gdb for Android

2012-02-03 Thread Ulrich Weigand
Barry Song <21cn...@gmail.com> wrote. > 2012/2/3 Ulrich Weigand : > > However, from looking at the gdbserver sources provided with Android, > > it seems there are some differences; in particular, there's this patch: > > > > +/* Android doesn't h

Re: native gdb for Android

2012-02-02 Thread Ulrich Weigand
fferently, this would explain why GDB is unable to find and use it. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH

Re: Improved use of vst1 via vec_extract (PR 51819 test case)

2012-02-01 Thread Ulrich Weigand
ual hardware > both of which will need bring up in terms of dejagnu glue. We're not > set up for either today and will probably have to spend some effort in > doing this. Ah, OK. Maybe another topic for discussion next week ... Mit freundlichen Gruessen / Best Regards Ulrich Weigand

Improved use of vst1 via vec_extract (PR 51819 test case)

2012-01-31 Thread Ulrich Weigand
ented via vld1.) (See attached file: diff-gcc-arm-vecextractmem) B.t.w. I'm wondering how I can properly test: - that the NEON intrinsics still work - that everything works on big-endian Any suggestions would be appreciated! Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- D

[ACTIVITY] Jan 23 - Jan 27

2012-01-27 Thread Ulrich Weigand
when we extract a lane from a vector to memory using an offsetted address, we move the value through a core register instead of simply computing the address and using vst1. I'm working on a patch to address this. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulric

Re: GDB 7.4 released

2012-01-26 Thread Ulrich Weigand
> and documented at: > https://wiki.linaro.org/MichaelHope/Sandbox/GDBImport Thanks, Michael! Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deu

[ACTIVITY] Jan 16 - Jan 20

2012-01-20 Thread Ulrich Weigand
th the Linaro GCC 4.6 backport, results don't look as good; still investigating the cause. * Started looking into Ramana's vld1 patches. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain f

[ACTIVITY] Jan 09 - Jan 13

2012-01-13 Thread Ulrich Weigand
into PR 43808 and PR 50313. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin J

Re: agenda for tomorrow's performance call.

2012-01-09 Thread Ulrich Weigand
-in-progress patches by Richard/Ira/Revital to see what of this work we/I should be picking up now ... Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschl

[ACTIVITY] Jan 02 - Jan 05

2012-01-05 Thread Ulrich Weigand
st Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter | Geschäftsführung: Dirk Wittkopp Sitz de

[ACTIVITY] Nov 19 - Dec 22

2011-12-22 Thread Ulrich Weigand
evious approach. Discussion on the list is ongoing. * Fixed a GDB 7.4 test suite failure on ARM: PR tdep/12797 * Fixed another GBD 7.4 test suite failure on ARM, by enabling pthread_t thread debugging on core files. == GCC == * Patch review week. Mit freundlichen Gruessen / Best Regards

[ACTIVITY] Nov 12 - Dec 16

2011-12-19 Thread Ulrich Weigand
patches in programm, in preparation of my taking on GCC performance work next year. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & De

[ACTIVITY] Nov 05 - Dec 09

2011-12-09 Thread Ulrich Weigand
ggestion. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter | Geschäftsfüh

Linaro GDB 7.3 2011.12 released

2011-12-08 Thread Ulrich Weigand
The Linaro Toolchain Working Group is pleased to announce the release of Linaro GDB 7.3. Linaro GDB 7.3 2011.12 is the fourth release in the 7.3 series. Based off the latest GDB 7.3.1, it includes a number of ARM-focused bug fixes and enhancements. This release contains: * Update to GDB 7.3.1 co

[ACTIVITY] Nov 28 - Dec 02

2011-12-02 Thread Ulrich Weigand
d a couple of problems, some also present on ARM in remote testing. Patches checked in to mainline. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM D

[ACTIVITY] Nov 22 - Nov 25

2011-11-28 Thread Ulrich Weigand
itrary proc files, instead of a specific command to retrieve the memory map. * Investigated Launchpad bug: #891970 msp430-gdb segmentation fault with target remote == GCC == * Patch review week. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031

[ACTIVITY] Nov 14 - Nov 18

2011-11-21 Thread Ulrich Weigand
ystem header and implicit extern "C" == Misc == * Gave talk on Linaro at the IBM Germany Technical Expert Council fall meeting. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux

[ACTIVITY] Nov 8 - Nov 11

2011-11-14 Thread Ulrich Weigand
updating the patches accordingly. == GCC == * Patch review week. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development

Re: FW: contribution Linux Kernel Debugger

2011-11-09 Thread Ulrich Weigand
anything I can to do help with this process, I'd be happy to do so. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development

[ACTIVITY] Oct 17 - Oct 21

2011-10-21 Thread Ulrich Weigand
== GDB == * Worked on support for cross-platform core file generation. Posted initial set of patches for comments. * Created "Toolchain support for kernel debugging" blueprint. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-70

[ACTIVITY] Oct 10 - Oct 14

2011-10-14 Thread Ulrich Weigand
Completed blueprint "GDB as a cross-debugger". * Worked on support for cross-platform core file generation. == GCC == * Patch review week. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for L

Linaro GDB 7.3 2011.10 released

2011-10-12 Thread Ulrich Weigand
The Linaro Toolchain Working Group is pleased to announce the release of Linaro GDB 7.3. Linaro GDB 7.3 2011.10 is the third release in the 7.3 series. Based off the latest GDB 7.3, it includes a number of ARM-focused bug fixes and enhancements. This release contains: * Support for disabling ad

Re: limits-fndefn.c and timeouts

2011-10-12 Thread Ulrich Weigand
B.t.w. I'd say that catching such issues is one of the reasons to have those extreme limits tests in the first place ... Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z

[ACTIVITY] Oct 04 - Oct 07

2011-10-07 Thread Ulrich Weigand
ne fix for PR 50305. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats:

[ACTIVITY] Sep 26 - Sep 30

2011-09-30 Thread Ulrich Weigand
== GDB == * Worked on support for cross-platform core file generation. * Followed up on patch to support disabling address space randomization in gdbserver. == GCC == * Followed up on patch for PR 50305. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand

Re: try_to_freeze() called with IRQs disabled on ARM

2011-09-27 Thread Ulrich Weigand
Hi Russell, I was wondering whether is there any news on this? If you do rewrite the signal handler processing, please let me know so I can update GDB accordingly ... Thanks! Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM,

Re: [ACTIVITY] Sep 19 - Sep 23

2011-09-27 Thread Ulrich Weigand
Christian Robottom Reis wrote: > On Mon, Sep 26, 2011 at 03:59:24PM +0200, Ulrich Weigand wrote: > > I guess I could give him a ping, but since he didn't revert my patch after > > all, it didn't seem a priority to me ... > > Interesting. You could reach out and r

Re: [ACTIVITY] Sep 19 - Sep 23

2011-09-26 Thread Ulrich Weigand
Christian Robottom Reis wrote on 09/23/2011 10:00:18 PM: > On Fri, Sep 23, 2011 at 06:51:37PM +0200, Ulrich Weigand wrote: > > * Implemented and tested support for disabling address space > >randomization in gdbserver; patch posted for review. > > I'm not sure thi

[ACTIVITY] Sep 19 - Sep 23

2011-09-23 Thread Ulrich Weigand
for review. * Investigated support for cross-platform core file generation. == GCC == * Patch review week. * Posted updated patch for PR 50305. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for

Re: Linaro GCC 4.6 and 4.5 2011.09 released

2011-09-20 Thread Ulrich Weigand
. I don't see why this would be any different for the Linaro build, however. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & D

[ACTIVITY] Sep 12 - Sep 16

2011-09-16 Thread Ulrich Weigand
== GDB == * Completed hardware watchpoint support for gdbserver. * Tracked down watchpoint resource accounting regression on GDB mainline (not present in 7.3). * Created and published Linaro GDB 7.3-2011.09 release. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr

Re: eglibc and fun with config.sub

2011-09-16 Thread Ulrich Weigand
the target triplet, I guess I can see why it might make sense to continue that. In the end, that's for the platform maintainers to decide ... Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux

Linaro GDB 7.3 2011-09 released

2011-09-14 Thread Ulrich Weigand
The Linaro Toolchain Working Group is pleased to announce the release of Linaro GDB 7.3. Linaro GDB 7.3 2011.09 is the second release in the 7.3 series. Based off the latest GDB 7.3, it includes a number of ARM-focused bug fixes and enhancements. This release contains: * Support for hardware br

[ACTIVITY] Sep 5 - Sep 9

2011-09-09 Thread Ulrich Weigand
issues (LP #673820) are now fixed. * Booked Linaro Connect Q4.11 travel. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development

Re: try_to_freeze() called with IRQs disabled on ARM

2011-09-02 Thread Ulrich Weigand
Russell King - ARM Linux wrote on 09/02/2011 07:22:59 PM: > On Fri, Sep 02, 2011 at 04:47:35PM +0200, Ulrich Weigand wrote: > > Assume the scenario you initally describe, where a first signal is > > ignored and leads to system call restart. With your latest patch, &g

[ACTIVITY] Sep 1 - Sep 2

2011-09-02 Thread Ulrich Weigand
Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter | Geschäftsführung: Dirk Wittkopp Sitz der Gesellschaft: Böbli

Re: Vectorised copy

2011-09-02 Thread Ulrich Weigand
rlap if those are pointers into the same array). Does it help if you make a, b, and c function arguments to fill, and mark them restrict? Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for L

Re: try_to_freeze() called with IRQs disabled on ARM

2011-09-02 Thread Ulrich Weigand
Russell King - ARM Linux wrote on 09/01/2011 04:00:00 PM: > On Thu, Sep 01, 2011 at 03:41:22PM +0200, Ulrich Weigand wrote: > > One way to fix this might be to make the TIF_SYS_RESTART flag > > itself visible to ptrace, so the GDB could save/restore it > > along with the res

Re: try_to_freeze() called with IRQs disabled on ARM

2011-09-01 Thread Ulrich Weigand
i Russell, > > The patch in question was not actually from me but from Ulrich Weigand, > so he's probably the right person to test your patch. > I'm forwarding it in full to Uli for reference. Hi Arnd, hi Russell, sorry for the late reply, I've just returned from vacati

Re: request for gdb testing

2011-09-01 Thread Ulrich Weigand
configure; make; make check should be fine. Hi Nicolas, actually I'm already back today. I'll be happy to verify that this patch doesn't regress GDB. It'll take me a while to set up building a kernel with the patch, but I should hopefully have results later today or maybe to

[ACTIVITY] Aug 15 - Aug 19

2011-08-19 Thread Ulrich Weigand
eundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter | Geschäftsführung: Dirk Wittk

Linaro GDB 7.3 2011.08 released

2011-08-18 Thread Ulrich Weigand
The Linaro Toolchain Working Group is pleased to announce the release of Linaro GDB 7.3. Linaro GDB 7.3 2011.08 is the first release in the 7.3 series. Based off the latest GDB 7.3, it includes a number of ARM-focused bug fixes. This release includes all bug fixes from the latest Linaro GDB 7.2

[ACTIVITY] Aug 8 - Aug 12

2011-08-12 Thread Ulrich Weigand
ek. Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter | Geschäftsführung:

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