From 2e18525dbefc882c6749d91abb2c0d22d520b652 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Sat, 31 Oct 1998 02:06:08 +0000
Subject: [PATCH] s_lock patch from Ryan.
---
src/include/storage/s_lock.h | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
index aeb09cc4542..d47f5ab53b9 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 1.55 1998/10/28 15:58:34 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.56 1998/10/31 02:06:08 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -86,18 +86,18 @@ tas(volatile slock_t *lock)
register slock_t _res;
__asm__(" ldq $0, %0 \n\
- bne $0, already_set \n\
+ bne $0, 3f \n\
ldq_l $0, %0 \n\
- bne $0, already_set \n\
+ bne $0, 3f \n\
or $31, 1, $0 \n\
stq_c $0, %0 \n\
- beq $0, stqc_fail \n\
- success: bis $31, $31, %1 \n\
+ beq $0, 2f \n\
+ bis $31, $31, %1 \n\
mb \n\
- jmp $31, end \n\
- stqc_fail: or $31, 1, $0 \n\
- already_set: bis $0, $0, %1 \n\
- end: nop ": "=m"(*lock), "=r"(_res): :"0");
+ jmp $31, 4f \n\
+ 2: or $31, 1, $0 \n\
+ 3: bis $0, $0, %1 \n\
+ 4: nop ": "=m"(*lock), "=r"(_res): :"0");
return (int) _res;
}
--
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