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-rw-r--r--src/include/storage/s_lock.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
index d7dde21a5e2..39410c211b6 100644
--- a/src/include/storage/s_lock.h
+++ b/src/include/storage/s_lock.h
@@ -66,7 +66,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.133.4.2 2005/08/26 22:04:53 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.133.4.3 2005/08/27 16:22:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -440,6 +440,7 @@ do \
#if defined(__mips__) && !defined(__sgi)
/* Note: on SGI we use the OS' mutex ABI, see below */
+/* Note: R10000 processors require a separate SYNC */
#define HAS_TEST_AND_SET
typedef unsigned int slock_t;
@@ -459,11 +460,12 @@ tas(volatile slock_t *lock)
" .set noreorder \n"
" .set nomacro \n"
" ll %0, %2 \n"
- " or %1, %0, $1 \n"
+ " or %1, %0, 1 \n"
" sc %1, %2 \n"
- " xori %1, $1 \n"
+ " xori %1, 1 \n"
" or %0, %0, %1 \n"
- "1: .set pop "
+ " sync \n"
+ " .set pop "
: "=&r" (_res), "=&r" (_tmp), "+R" (*_l)
:
: "memory");