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Joseph Myers df34134284 Disable 64-bit atomics for MIPS n32. 
This patch disables use of 64-bit atomics for MIPS n32 to fix the
problems with unaligned semaphores.

Before 64-bit atomics are used for anything for which such alignment
issues do not arise, and before the addition of any new ILP32 ports
with 64-bit semaphores for which the ABI can be set to have the
greater alignment (AARCH64?), a better approach will need to be
established that allows architectures to declare their 64-bit atomics
availability accurately, without doing so causing inappropriate use of
such atomics on unaligned semaphores.

Tested for MIPS n32 that this fixes the nptl/tst-sem3 failure.

	* sysdeps/mips/bits/atomic.h [_MIPS_SIM == _ABIN32]
	(__HAVE_64B_ATOMICS): Define to 0.
 		2015-01-28 18:40:35 +00:00
..
bits Disable 64-bit atomics for MIPS n32. 2015-01-28 18:40:35 +00:00
fpu Fix libm feupdateenv namespace (bug 17748). 2015-01-07 19:01:20 +00:00
ieee754 Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
include/sys Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
mips32 Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
mips64 Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
nptl Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
soft-fp soft-fp: support after-rounding tininess detection. 2014-02-12 18:27:12 +00:00
sys Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Implies Move mips from ports to libc. 2014-02-10 23:30:21 +00:00
Makefile Add support for MIPS O32 FPXX and .MIPS.abiflags 2014-12-31 21:09:21 +00:00
__longjmp.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
abort-instr.h Move mips from ports to libc. 2014-02-10 23:30:21 +00:00
add_n.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
addmul_1.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
backtrace.c Move mips from ports to libc. 2014-02-10 23:30:21 +00:00
bsd-_setjmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
bsd-setjmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
configure Require autoconf 2.69 2014-09-29 07:53:36 -07:00
configure.ac Move mips from ports to libc. 2014-02-10 23:30:21 +00:00
dl-dtprocnum.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-machine-reject-phdr.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-machine.h 2015-01-05 Steve Ellcey <sellcey@imgtec.com> 2015-01-05 09:39:33 -08:00
dl-procinfo.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-procinfo.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-tls.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-trampoline.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
fpregdef.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
fpu_control.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
gccframe.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
jmpbuf-unwind.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
ldsodefs.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
libc-tls.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
lshift.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
machine-gmon.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
math-tests.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
math_private.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memcpy.S 2015-01-05 Steve Ellcey <sellcey@imgtec.com> 2015-01-05 13:28:42 -08:00
memset.S 2015-01-05 Steve Ellcey <sellcey@imgtec.com> 2015-01-05 15:06:42 -08:00
memusage.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
mul_1.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
preconfigure Put mips preconfigure code inside mips* case statement. 2014-09-09 10:58:00 -07:00
regdef.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
rshift.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setjmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setjmp_aux.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sgidefs.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sotruss-lib.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
stackinfo.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
start.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sub_n.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
submul_1.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tininess.h Move mips from ports to libc. 2014-02-10 23:30:21 +00:00
tls-macros.h Move mips from ports to libc. 2014-02-10 23:30:21 +00:00
tst-abi-fp32mod.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tst-abi-fp64amod.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tst-abi-fp64mod.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tst-abi-fpxxmod.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tst-abi-fpxxomod.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tst-abi-interlink.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tst-audit.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tst-mode-switch-1.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tst-mode-switch-2.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tst-mode-switch-3.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00