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| author | David S. Miller <davem@davemloft.net> | 2012-05-02 19:04:54 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-05-02 19:04:54 -0700 |
| commit | e2dbf201abdfa13fc4035a1a8888ecec91bef44c (patch) | |
| tree | e9650172c9fa43e030a66b18b35d205bbac2ef38 /nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S | |
| parent | d4c2917fc5091dae7ab1b30c165becb70d3c3453 (diff) | |
| download | glibc-e2dbf201abdfa13fc4035a1a8888ecec91bef44c.tar.gz glibc-e2dbf201abdfa13fc4035a1a8888ecec91bef44c.tar.xz glibc-e2dbf201abdfa13fc4035a1a8888ecec91bef44c.zip | |
Mirror i386 change on sparc: 'Avoid "anonymous" code in pthread_spin_lock'
nptl/ * sysdeps/sparc/sparc64/pthread_spin_lock.S: New. * sysdeps/sparc/sparc64/pthread_spin_lock.c: Delete. * sysdeps/sparc/sparc64/pthread_spin_unlock.S: New. * sysdeps/sparc/sparc64/pthread_spin_unlock.c: Delete. * sysdeps/sparc/sparc64/pthread_spin_trylock.S: New. * sysdeps/sparc/sparc64/pthread_spin_trylock.c: Delete. * sysdeps/sparc/sparc64/pthread_spin_init.c: New. * sysdeps/sparc/sparc32/pthread_spin_lock.S: New. * sysdeps/sparc/sparc32/pthread_spin_lock.c: Delete. * sysdeps/sparc/sparc32/pthread_spin_trylock.S: New. * sysdeps/sparc/sparc32/pthread_spin_trylock.c: Delete. * sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.S: New. * sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.c: Delete. * sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.S: New. * sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.c: Delete. * sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.S: New. * sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.c: Delete. * sysdeps/sparc/sparc32/sparcv9/pthread_spin_init.c: New.
Diffstat (limited to 'nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S')
| -rw-r--r-- | nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S b/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S new file mode 100644 index 0000000000..5e7b0fade9 --- /dev/null +++ b/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S @@ -0,0 +1,31 @@ +/* Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + + .text +ENTRY(pthread_spin_lock) + ldstub [%o0], %g1 + brnz,pn %g1, 2f + membar #StoreLoad | #StoreStore +1: retl + mov 0, %o0 +2: ldub [%o0], %g1 + brnz,pt %g1, 2b + membar #LoadLoad + ba,a,pt %xcc, 1b +END(pthread_spin_lock) \ No newline at end of file |