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| author | Ulrich Drepper <drepper@redhat.com> | 2002-02-03 02:26:37 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2002-02-03 02:26:37 +0000 |
| commit | 5c1159b6a9303f5c9f93e8e048d52acc630c2a86 (patch) | |
| tree | 2a7f252291a88632101388dd44a6c3786b2f4cb9 /linuxthreads/sysdeps/mips/pspinlock.c | |
| parent | b5ef404e0897450bbe1caaff867d8daf40ba0e35 (diff) | |
| download | glibc-5c1159b6a9303f5c9f93e8e048d52acc630c2a86.zip glibc-5c1159b6a9303f5c9f93e8e048d52acc630c2a86.tar.gz glibc-5c1159b6a9303f5c9f93e8e048d52acc630c2a86.tar.bz2 | |
Update.
2002-02-01 H.J. Lu <hjl@gnu.org>
* sysdeps/mips/atomicity.h (exchange_and_add): Use branch
likely.
(atomic_add): Likewise.
(compare_and_swap): Return 0 only when failed to compare. Use
branch likely.
* sysdeps/unix/sysv/linux/mips/sys/tas.h (_test_and_set): Use
branch likely.
2002-02-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/dl-machine.h (elf_machine_rela): Fix a typo.
2002-02-02 Ulrich Drepper <drepper@redhat.com>
* elf/dl-minimal.c (__strsep): New minimal implementation.
Diffstat (limited to 'linuxthreads/sysdeps/mips/pspinlock.c')
| -rw-r--r-- | linuxthreads/sysdeps/mips/pspinlock.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/linuxthreads/sysdeps/mips/pspinlock.c b/linuxthreads/sysdeps/mips/pspinlock.c index 8c832ae..bf0a2c8 100644 --- a/linuxthreads/sysdeps/mips/pspinlock.c +++ b/linuxthreads/sysdeps/mips/pspinlock.c @@ -29,20 +29,21 @@ int __pthread_spin_lock (pthread_spinlock_t *lock) { - unsigned int tmp; + unsigned int tmp1, tmp2; asm volatile ("\t\t\t# spin_lock\n\t" + "ll %1,%3\n" "1:\n\t" - "ll %1,%2\n\t" ".set push\n\t" ".set noreorder\n\t" "bnez %1,1b\n\t" - " li %1,1\n\t" - ".set pop\n\t" - "sc %1,%0\n\t" - "beqz %1,1b" - : "=m" (*lock), "=&r" (tmp) + " li %2,1\n\t" + "sc %2,%0\n\t" + "beqzl %2,1b\n\t" + " ll %1,%3\n\t" + ".set pop" + : "=m" (*lock), "=&r" (tmp1), "=&r" (tmp2) : "m" (*lock) : "memory"); |