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"
    );