GCC uses TLS common for both public common / BSS and local common / BSS.
This patch reverts to use .comm directive to allocate TLS
common / BSS. This also changes the priority of section selection
to use BSS before data section.
gcc/ChangeLog:
* config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select
TLS BSS before TLS data.
* config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm.
gcc/testsuite/ChangeLog:
* g++.dg/gomp/tls-5.C: Expect tbss failure on AIX.
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This is a collection of tests for GCC. For further information about
the C testsuite, see README.gcc.
The driver that runs this testsuite is called DejaGnu and you will
need a current DejaGnu snapshot, which is available from
https://gcc.gnu.org/pub/gcc/infrastructure, for example.
These tests are included "as is". If any of them fails, do not report
a bug. Bug reports for DejaGnu can go to bug-dejagnu@gnu.org.
Discussion and comments about this testsuite should be sent to
gcc@gcc.gnu.org; additions and changes should be sent to
gcc-patches@gcc.gnu.org.
The entire testsuite is invoked by `make check` at the top level of
the GCC tree. `make check-g++` runs the C++ testsuite only.
STRUCTURE OF THE G++ TESTSUITE
g++.dg tests:
All new tests should be placed in an appropriate subdirectory of g++.dg.
g++.old-deja tests:
g++.benjamin Tests by Benjamin Koz
g++.bob
g++.brendan Tests by Brendan Kehoe
g++.bugs
g++.eh Tests for exception handling
g++.ext Tests for g++ extensions
g++.gb Tests by Gerald Baumgartner
g++.jason Tests by Jason Merill
g++.jeff Tests by Jeffrey A Law
g++.martin Tests by Martin v. Löwis
g++.mike Tests by Mike Stump
g++.niklas Tests by Niklas Hallqvist
g++.ns Tests for namespaces
g++.other
g++.pt Tests for templates
g++.rfg
g++.robertl Tests from gcc-bugs@gcc.gnu.org, gathered by Robert Lipe
Finally, some random last minute notes by Mike Stump <mrs@cygnus.com>, on
how to run tests (in the GCC 2.7 era):
runtest --tool g++ --srcdir ./testsuite
where
runtest Is the name used to invoke DejaGnu. If DejaGnu is not
installed this will be the relative path name for runtest.
--tool This tells DejaGnu which tool you are testing. It is
mainly used to find the testsuite directories for a
particular tool when several testsuites are in the
same directory. (like the gcc and g++ testsuites)
--srcdir This points to the top level of the directory
containing the sources of the testsuite. This is
./testsuite if you are in the directory that has the
testsuite directory.
Copyright (C) 1998-2021 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
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