From 4a9da7e5c4c1f8aeb281d3fe6d3527564574b2cb Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Fri, 18 Sep 1998 17:18:41 +0000
Subject: [PATCH] NS32K lock patch reversed.

---
 src/backend/storage/buffer/s_lock.c | 13 +------------
 src/include/storage/s_lock.h        | 19 +++++++++++++++++--
 2 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/src/backend/storage/buffer/s_lock.c b/src/backend/storage/buffer/s_lock.c
index c50c9612bd..a7b42bc479 100644
--- a/src/backend/storage/buffer/s_lock.c
+++ b/src/backend/storage/buffer/s_lock.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.11 1998/09/18 05:36:23 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.12 1998/09/18 17:18:39 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -118,17 +118,6 @@ success:			\n\
 #endif	 /* PPC */
 
 
-#if defined(__ns32k__)
-int
-tas(volatile slock_t *lock)
-{
-  int res;
-  __asm__("sbitb 0, %0" : "=m"(*lock));
-  __asm__("sprb us, %0" : "=r"(res));
-  res = (res >> 5) & 1;
-  return res;
-}
-#endif
 
 #else							/* defined(__GNUC__) */
 /***************************************************************************
diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
index 967ec432cd..7b531fda72 100644
--- a/src/include/storage/s_lock.h
+++ b/src/include/storage/s_lock.h
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.48 1998/09/18 05:36:24 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.49 1998/09/18 17:18:41 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -213,7 +213,22 @@ tas(slock_t *s_lock)
 #endif	 /* NEED_I386_TAS_ASM */
 
 
-/* NS32K code is in s_lock.c */
+
+#if defined(NEED_NS32K_TAS_ASM)
+
+#define S_LOCK(lock)				\
+{						\
+	slock_t res = 1;				\
+	while (res) {				\
+	  __asm__("movqd 0, r0");			\
+	  __asm__("sbitd r0, %0" : "=m"(*lock));	\
+	  __asm__("sprb us, %0" : "=r" (res));	\
+	  res = ((res >> 5) & 1);			\
+	}						\
+}
+
+#endif	 /* NEED_NS32K_TAS_ASM */
+
 
 #endif	 /* defined(__GNUC__) */