Tighten up register usage for inline PPC version of tas().

diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
index d45baaa93b6f476abbb069c4e68acd2a0d31c94f..4f13fd342cfab2a0ef2dab09cac867bbbce6ecb5 100644 (file)
--- a/src/include/storage/s_lock.h
+++ b/src/include/storage/s_lock.h
@@ -63,7 +63,7 @@
  * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *       $Id: s_lock.h,v 1.104 2003/04/04 05:32:30 tgl Exp $
+ *       $Id: s_lock.h,v 1.105 2003/04/04 06:57:39 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -229,20 +229,20 @@ tas(volatile slock_t *lock)
        int _res;
 
        __asm__ __volatile__(
-"      lwarx   %0,0,%3         \n"
+"      lwarx   %0,0,%2         \n"
 "      cmpwi   %0,0            \n"
 "      bne     1f                      \n"
 "      addi    %0,%0,1         \n"
-"      stwcx.  %0,0,%3         \n"
+"      stwcx.  %0,0,%2         \n"
 "      beq     2f              \n"
-"1:    li      %2,1            \n"
+"1:    li      %1,1            \n"
 "      b               3f                      \n"
 "2:                                            \n"
 "      isync                           \n"
-"      li      %2,0            \n"
+"      li      %1,0            \n"
 "3:                                            \n"
 
-:      "=&r" (_t), "=m" (lock), "=r" (_res)
+:      "=&r" (_t), "=r" (_res)
 :      "r" (lock)
 :      "cc", "memory"
        );