Fix byte-vs-word-width oversight in m68k TAS() code.

tglsfdc · tglsfdc · commit af0a15287de5 · 2001-02-10T04:07:25.000Z
Man, this brings back some old memories ...
diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.87 2001/02/02 18:21:59 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.88 2001/02/10 04:07:25 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -222,8 +222,9 @@ tas(volatile slock_t *lock)
 	register int rv;
 
 	__asm__	__volatile__(
-		"	tas	%1		\n"
-		"	sne	%0		\n"
+		"	clrl	%0		\n"
+		"	tas		%1		\n"
+		"	sne		%0		\n"
 :		"=d"(rv), "=m"(*lock)
 :		"1"(*lock)
 :		"cc");

Original file line number	Diff line number	Diff line change
`@@ -9,7 +9,7 @@`
`9`	`9`	`*`
`10`	`10`	`*`
`11`	`11`	`* IDENTIFICATION`
`12`		`- * $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.87 2001/02/02 18:21:59 momjian Exp $`
	`12`	`+ * $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.88 2001/02/10 04:07:25 tgl Exp $`
`13`	`13`	`*`
`14`	`14`	`*-------------------------------------------------------------------------`
`15`	`15`	`*/`
`@@ -222,8 +222,9 @@ tas(volatile slock_t *lock)`
`222`	`222`	`register int rv;`
`223`	`223`
`224`	`224`	`__asm__ __volatile__(`
`225`		`- " tas %1 \n"`
`226`		`- " sne %0 \n"`
	`225`	`+ " clrl %0 \n"`
	`226`	`+ " tas %1 \n"`
	`227`	`+ " sne %0 \n"`
`227`	`228`	`: "=d"(rv), "=m"(*lock)`
`228`	`229`	`: "1"(*lock)`
`229`	`230`	`: "cc");`