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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 /sysdeps/unix | |
| parent | b5ef404e0897450bbe1caaff867d8daf40ba0e35 (diff) | |
| download | glibc-5c1159b6a9303f5c9f93e8e048d52acc630c2a86.tar.gz glibc-5c1159b6a9303f5c9f93e8e048d52acc630c2a86.tar.xz glibc-5c1159b6a9303f5c9f93e8e048d52acc630c2a86.zip | |
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 'sysdeps/unix')
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/sys/tas.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/sys/tas.h b/sysdeps/unix/sysv/linux/mips/sys/tas.h index 0c81dc2de2..339670894f 100644 --- a/sysdeps/unix/sysv/linux/mips/sys/tas.h +++ b/sysdeps/unix/sysv/linux/mips/sys/tas.h @@ -42,16 +42,19 @@ _test_and_set (int *p, int v) __THROW int r, t; __asm__ __volatile__ - ("1:\n\t" - "ll %0,%3\n\t" + ("/* Inline test and set */\n\t" + "ll %0,%3\n" + "1:\n\t" ".set push\n\t" ".set noreorder\n\t" "beq %0,%4,2f\n\t" " move %1,%4\n\t" - ".set pop\n\t" "sc %1,%2\n\t" - "beqz %1,1b\n" - "2:\n" + "beqzl %1,1b\n\t" + " ll %0,%3\n\t" + ".set pop\n" + "2:\n\t" + "/* End test and set */" : "=&r" (r), "=&r" (t), "=m" (*p) : "m" (*p), "r" (v) : "memory"); |