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-rw-r--r--db2/mutex/parisc.gcc18
1 files changed, 7 insertions, 11 deletions
diff --git a/db2/mutex/parisc.gcc b/db2/mutex/parisc.gcc
index e15f6f2dba..2e4540f767 100644
--- a/db2/mutex/parisc.gcc
+++ b/db2/mutex/parisc.gcc
@@ -1,5 +1,5 @@
-/*
- * @(#)parisc.gcc 8.5 (Sleepycat) 1/18/97
+/*
+ * @(#)parisc.gcc 8.8 (Sleepycat) 6/2/98
*
* Copyright (c) 1996-1997, The University of Utah and the Computer Systems
* Laboratory at the University of Utah (CSL). All rights reserved.
@@ -22,19 +22,15 @@
/*
* The PA-RISC has a "load and clear" instead of a "test and set" instruction.
- * The 32-bit word used by that instruction must be 16-byte aligned hence we
- * allocate 16 bytes for a tsl_t and use the word that is properly aligned.
- * We could use the "aligned" attribute in GCC but that doesn't work for stack
- * variables.
+ * The 32-bit word used by that instruction must be 16-byte aligned. We could
+ * use the "aligned" attribute in GCC but that doesn't work for stack variables.
*/
#define TSL_SET(tsl) ({ \
- int *__l = (int *)(((int)(tsl)+15)&~15); \
+ register tsl_t *__l = (tsl); \
int __r; \
asm volatile("ldcws 0(%1),%0" : "=r" (__r) : "r" (__l)); \
__r & 1; \
})
-#define TSL_UNSET(tsl) ({ \
- int *__l = (int *)(((int)(tsl)+15)&~15); \
- *__l = -1; \
-})
+#define TSL_UNSET(tsl) (*(tsl) = -1)
+#define TSL_INIT(tsl) TSL_UNSET(tsl)