(_test_and_set): Use branch likely.

diff --git a/sysdeps/unix/sysv/linux/mips/sys/tas.h b/sysdeps/unix/sysv/linux/mips/sys/tas.h
index 0c81dc2de240c83c3205ab509ac62e7de54ff27c..339670894fb03f55381a44799b52981adeed4e56 100644 (file)
--- 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");