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authorThomas Schwinge <thomas@codesourcery.com>2012-12-10 10:30:56 +0100
committerThomas Schwinge <thomas@codesourcery.com>2012-12-10 10:30:56 +0100
commit4994d7ce199222dec1620389f9a942d9e5f26ffd (patch)
tree01e9b19775864f671bcfb1fd48b5dad2658403c2 /open_issues
parent6b40f6cea57fe91f336b94433c6f1821e90127d5 (diff)
open_issues/gcc: b401cb7ed15602d244a6807835b0b9d740a302a8 (2012-11-26; 769bf18a20ee2540ca7601cdafabd62b18b9751b (2012-10-01))
Diffstat (limited to 'open_issues')
-rw-r--r--open_issues/automatic_backtraces_when_assertions_hit.mdwn5
-rw-r--r--open_issues/gcc.mdwn97
2 files changed, 73 insertions, 29 deletions
diff --git a/open_issues/automatic_backtraces_when_assertions_hit.mdwn b/open_issues/automatic_backtraces_when_assertions_hit.mdwn
index 71007f99..f6bf5856 100644
--- a/open_issues/automatic_backtraces_when_assertions_hit.mdwn
+++ b/open_issues/automatic_backtraces_when_assertions_hit.mdwn
@@ -72,3 +72,8 @@ In context of the [[ext2fs_libports_reference_counting_assertion]].
<braunr> yes, i thought it used the backtrace functions internally though
<braunr> that is, execinfo
<braunr> but this does require -rdynamic
+
+
+# GCC's libbacktrace
+
+Introduced in commit ecd3459e7bb829202601e3274411135a15c64dde.
diff --git a/open_issues/gcc.mdwn b/open_issues/gcc.mdwn
index 3833f2be..574a743b 100644
--- a/open_issues/gcc.mdwn
+++ b/open_issues/gcc.mdwn
@@ -37,8 +37,8 @@ git log --reverse --topo-order --pretty=fuller --stat=$COLUMNS,$COLUMNS -w -p -C
-->
-Last reviewed up to the [[Git mirror's 6b7a0b5b7dfa4071c95418040cc0ee1528ba7915
-(2012-08-05) sources|source_repositories/gcc]].
+Last reviewed up to the [[Git mirror's 769bf18a20ee2540ca7601cdafabd62b18b9751b
+(2012-10-01) sources|source_repositories/gcc]].
<http://gcc.gnu.org/install/configure.html> has documentation for the
`configure` switches.
@@ -74,19 +74,22 @@ Last reviewed up to the [[Git mirror's 6b7a0b5b7dfa4071c95418040cc0ee1528ba7915
* [[`libmudflap`|libmudflap]].
- * Might [`-fsplit-stack`](http://nickclifton.livejournal.com/6889.html) be
- worthwhile w.r.t. our [[multithreaded|multithreading]] libraries?
+ * [`-fsplit-stack`](http://nickclifton.livejournal.com/6889.html)
* Also see `libgcc/config/i386/morestack.S`: comments w.r.t
- `TARGET_THREAD_SPLIT_STACK_OFFSET`; likely needs porting.
+ `TARGET_THREAD_SPLIT_STACK_OFFSET`/`%gs:0x30` usage; likely needs
+ porting.
- As per `libgcc/config/i386/t-stack-i386`, the former file is only used for
- `-fsplit-stack` support -- which is currently enabled for us in
- `libgcc/config.host`, but not usable via GCC proper.
+ * As per `libgcc/config/i386/t-stack-i386`, the former file is only used
+ for `-fsplit-stack` support -- which is currently enabled for us in
+ `libgcc/config.host`.
* `gcc/config/gnu-user.h` defines `*SPLIT_STACK*` macros -- which aren't
valid for us (yet), I think.
+ * Might `-fsplit-stack` be useful for us with respect to our
+ [[multithreaded|multithreading]] libraries?
+
* `--enable-languages=[...]`
* [[Ada (GNAT)|GNAT]] support is work in progress.
@@ -302,13 +305,13 @@ Last reviewed up to the [[Git mirror's 6b7a0b5b7dfa4071c95418040cc0ee1528ba7915
# Build
Here's a log of a GCC build run; this is from our [[Git repository's
-3336556d2cb32f46322922a83015f760cfb79d8f (2012-11-13;
-6b7a0b5b7dfa4071c95418040cc0ee1528ba7915 (2012-08-05))
+b401cb7ed15602d244a6807835b0b9d740a302a8 (2012-11-26;
+769bf18a20ee2540ca7601cdafabd62b18b9751b (2012-10-01))
sources|source_repositories/gcc]], run on kepler.SCHWINGE and coulomb.SCHWINGE.
$ export LC_ALL=C
$ (cd ../master/ && contrib/gcc_update --touch)
- $ ../master/configure --prefix="$PWD".install SHELL=/bin/dash CC=gcc-4.6 CXX=g++-4.6 --enable-build-with-cxx --enable-languages=all,ada 2>&1 | tee log_build
+ $ ../master/configure --prefix="$PWD".install SHELL=/bin/dash CC=gcc-4.6 CXX=g++-4.6 --enable-languages=all,ada 2>&1 | tee log_build
[...]
$ make 2>&1 | tee log_build_
[...]
@@ -401,7 +404,7 @@ This takes up around 3.1 GiB, and needs roughly 3.25 h on kepler.SCHWINGE and
Just different order of object files, or another problem? TODO
- * `libobjc/encoding.c`:
+ * `libobjc/encoding.c`:
libtool: compile: [...]/hurd/master.build/./gcc/xgcc [...] [...]/hurd/master/libobjc/encoding.c -c [...]
+[...]/hurd/master/libobjc/encoding.c:128:1: warning: '_darwin_rs6000_special_round_type_align' defined but not used [-Wunused-function]
@@ -435,9 +438,11 @@ This takes up around 3.1 GiB, and needs roughly 3.25 h on kepler.SCHWINGE and
* *default library search path*
- -checking for the default library search path... /lib /usr/lib /lib/i386-linux-gnu /usr/lib/i386-linux-gnu /lib/i486-linux-gnu /usr/lib/i486-linux-gnu /usr/local/lib /lib64 /usr/lib64
+ -checking for the default library search path... /lib /usr/lib /lib/i386-linux-gnu /usr/lib/i386-linux-gnu /lib/i486-linux-gnu /usr/lib/i486-linux-gnu /usr/local/lib
+checking for the default library search path... /lib /usr/lib
+ [[binutils]] issue? Should be aligned by Samuel's binutils patch.
+
* `./classpath/[...]/*.properties`
Just different order of files, or another problem?
@@ -471,13 +476,6 @@ This takes up around 3.1 GiB, and needs roughly 3.25 h on kepler.SCHWINGE and
There are other instances of this in the following.
- * *default library search path*
-
- -checking for the default library search path... /lib /usr/lib /lib/[MULTIARCH] /usr/lib/[MULTIARCH] /lib/i486-linux-gnu /usr/lib/i486-linux-gnu /usr/local/lib /lib64 /usr/lib64
- +checking for the default library search path... /lib /usr/lib
-
- Should be aligned by Samuel's binutils patch.
-
* `value-unwind.h`
-DEFINES='' HEADERS='../../../master/libgcc/config/i386/value-unwind.h' \
@@ -557,25 +555,51 @@ that we'll catch any fundamental rearrangements of/additions to the testsuites.
kepler.SCHWINGE:
- $ make -k RUNTESTFLAGS=-v check 2>&1 | tee log_test
+ $ make -k check 2>&1 | tee log_test
[...]
coulomb.SCHWINGE:
- $ grep ^CHECK_TARGETS gcc/Makefile
+ $ awk '/^maybe-check-target/ { next; }; /^maybe-check-[^:]*:./ { print; };' < Makefile
+ maybe-check-fixincludes: check-fixincludes
+ maybe-check-gcc: check-gcc
+ maybe-check-intl: check-intl
+ maybe-check-libbacktrace: check-libbacktrace
+ maybe-check-libcpp: check-libcpp
+ maybe-check-libdecnumber: check-libdecnumber
+ maybe-check-libiberty: check-libiberty
+ maybe-check-zlib: check-zlib
+ maybe-check-gnattools: check-gnattools
+ maybe-check-lto-plugin: check-lto-plugin
+ $ grep ^CHECK_TARGETS gcc/Makefile
CHECK_TARGETS = check-ada check-c check-c++ check-fortran check-java check-lto check-objc
$ export LC_ALL=C
- $ t=check-ada/t=check-c/t=check-c++/t=check-fortran/t=check-java/t=check-lto/t=check-objc
- $ make -k -C gcc RUNTESTFLAGS=-v "$t" 2>&1 | tee log_test_gcc_"$t"
+
+ $ make -k check-fixincludes 2>&1 | tee log_test_1_check-fixincludes
+ [...]
+ $ make -k -C gcc check-ada 2>&1 | tee log_test_2_gcc_check-ada
[...]
- $ make -k RUNTESTFLAGS=-v check-target 2>&1 | tee log_test_check-target
+ [reboot]
+ $ make -k -C gcc check-c 2>&1 | tee log_test_2_gcc_check-c
+ [...]
+ [reboot]
+ $ make -k -C gcc check-c++ 2>&1 | tee log_test_2_gcc_check-c++
+ [...]
+ [reboot]
+ $ make -k -C gcc check-fortran check-java check-lto check-objc 2>&1 | tee log_test_2_gcc_check-fortran,check-java,check-lto,check-objc
+ [...]
+ [reboot]
+ $ make -k check-intl check-libbacktrace check-libcpp check-libdecnumber check-libiberty check-zlib check-gnattools check-lto-plugin 2>&1 | tee log_test_3
+ [...]
+ $ make -k check-target 2>&1 | tee log_test_4_check-target
[...]
-This needs roughly 6.75 h on kepler.SCHWINGE and 3.75 h (`gcc/check-ada`) +
-12.5 h (`gcc/check-c`) + 4.5 h (`gcc/check-c++`) + 5.25 h (`gcc/check-fortran`)
-+ 0 h (`gcc/check-java`) + 0 h (`gcc/check-lto`) + 0.5 h (`gcc/check-objc`) +
-8.5 h (`check-target`) = 35 h on coulomb.SCHWINGE.
+This needs roughly 6.75 h on kepler.SCHWINGE and 3.5 h (`check-fixincludes`,
+`gcc/check-ada`) + 10 h (`gcc/check-c`) + 3.75 h (`gcc/check-c++`) + 5.5 h
+(`gcc/check-fortran`, `gcc/check-java`, `gcc/check-lto`, `gcc/check-objc`) +
+8.25 h (`check-intl`, [...], `check-lto-plugin`, `check-target`) = 31 h on
+coulomb.SCHWINGE.
## Analysis
@@ -590,12 +614,27 @@ This needs roughly 6.75 h on kepler.SCHWINGE and 3.75 h (`gcc/check-ada`) +
TODO.
+ * As of b401cb7ed15602d244a6807835b0b9d740a302a8 (2012-11-26;
+ 769bf18a20ee2540ca7601cdafabd62b18b9751b (2012-10-01)), all
+ `gcc.dg/guality` and `g++.dg/guality` and a few more are no longer tested
+ on coulomb.SCHWINGE and kepler.SCHWINGE.
+
+ * As of b401cb7ed15602d244a6807835b0b9d740a302a8 (2012-11-26;
+ 769bf18a20ee2540ca7601cdafabd62b18b9751b (2012-10-01)), there are
+ regressions (FAILs) in libgomp execution tests on coulomb.SCHWINGE.
+
* TODO
## Enhancements
+### `contrib/testsuite-management/`, `contrib/regression/`
+
+ * 35a27ee8c4b349fea44fd1fadc9614ab3cc9d578 `Add an xfail manifest for
+ x86_64-unknown-linux-gnu to trunk.`
+
+
### Parallel Testing
[[!message-id "20110331070322.GI11563@sunsite.ms.mff.cuni.cz"]].