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| author | Andreas Jaeger <aj@suse.de> | 2002-02-07 10:39:07 +0000 |
|---|---|---|
| committer | Andreas Jaeger <aj@suse.de> | 2002-02-07 10:39:07 +0000 |
| commit | a6049f98edbe1bbcfe62c9b7bb80a8f783c0e2b0 (patch) | |
| tree | daefebc2ad33b01ce974909aef938cc96f68a98b /linuxthreads/sysdeps/mips/pspinlock.c | |
| parent | cd30b01ee9cdefd2e6f81b1c25ee6897243706fc (diff) | |
| download | glibc-a6049f98edbe1bbcfe62c9b7bb80a8f783c0e2b0.tar glibc-a6049f98edbe1bbcfe62c9b7bb80a8f783c0e2b0.tar.gz glibc-a6049f98edbe1bbcfe62c9b7bb80a8f783c0e2b0.tar.bz2 glibc-a6049f98edbe1bbcfe62c9b7bb80a8f783c0e2b0.zip | |
Do not use branch likely.
2002-02-05 H.J. Lu <hjl@gnu.org>
* sysdeps/mips/pspinlock.c (__pthread_spin_lock): Not use
branch likely.
* sysdeps/mips/pt-machine.h (testandset): Likewise.
(__compare_and_swap): Likewise.
>>>>>>> 1.469
Diffstat (limited to 'linuxthreads/sysdeps/mips/pspinlock.c')
| -rw-r--r-- | linuxthreads/sysdeps/mips/pspinlock.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/linuxthreads/sysdeps/mips/pspinlock.c b/linuxthreads/sysdeps/mips/pspinlock.c index bf0a2c833d..3a4f586fc1 100644 --- a/linuxthreads/sysdeps/mips/pspinlock.c +++ b/linuxthreads/sysdeps/mips/pspinlock.c @@ -32,17 +32,16 @@ __pthread_spin_lock (pthread_spinlock_t *lock) unsigned int tmp1, tmp2; asm volatile - ("\t\t\t# spin_lock\n\t" - "ll %1,%3\n" + ("\t\t\t# spin_lock\n" "1:\n\t" + "ll %1,%3\n\t" ".set push\n\t" ".set noreorder\n\t" "bnez %1,1b\n\t" " li %2,1\n\t" + ".set pop\n\t" "sc %2,%0\n\t" - "beqzl %2,1b\n\t" - " ll %1,%3\n\t" - ".set pop" + "beqz %2,1b" : "=m" (*lock), "=&r" (tmp1), "=&r" (tmp2) : "m" (*lock) : "memory"); |