diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/mips/sys')
| -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"); |