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authorRoland McGrath <roland@hack.frob.com>2014-07-10 10:57:57 -0700
committerRoland McGrath <roland@hack.frob.com>2014-07-10 10:57:57 -0700
commit887865fcfab05939dabec78f5ad358d0283602d3 (patch)
tree91b4182f7d892a8bb784c8ac9f9caba22117387e /sysdeps/unix/sysv/linux/powerpc
parent585367266923156ac6fb789939a923641ba5aaf4 (diff)
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Get rid of lll_robust_trylock.
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/lowlevellock.h17
1 files changed, 0 insertions, 17 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h b/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
index ab92c3fc8f..4af4a8206c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
@@ -202,23 +202,6 @@
# endif
#endif
-/* Set *futex to ID if it is 0, atomically. Returns the old value */
-#define __lll_robust_trylock(futex, id) \
- ({ int __val; \
- __asm __volatile ("1: lwarx %0,0,%2" MUTEX_HINT_ACQ "\n" \
- " cmpwi 0,%0,0\n" \
- " bne 2f\n" \
- " stwcx. %3,0,%2\n" \
- " bne- 1b\n" \
- "2: " __lll_acq_instr \
- : "=&r" (__val), "=m" (*futex) \
- : "r" (futex), "r" (id), "m" (*futex) \
- : "cr0", "memory"); \
- __val; \
- })
-
-#define lll_robust_trylock(lock, id) __lll_robust_trylock (&(lock), id)
-
/* Set *futex to 1 if it is 0, atomically. Returns the old value */
#define __lll_trylock(futex) __lll_robust_trylock (futex, 1)