patch-2.3.99-pre2 linux/arch/sparc64/lib/atomic.S

• Lines: 43
• Date: Thu Mar 16 11:40:17 2000
• Orig file: v2.3.99-pre1/linux/arch/sparc64/lib/atomic.S
• Orig date: Tue Aug 31 17:29:13 1999

diff -u --recursive --new-file v2.3.99-pre1/linux/arch/sparc64/lib/atomic.S linux/arch/sparc64/lib/atomic.S
@@ -1,4 +1,4 @@
-/* $Id: atomic.S,v 1.2 1999/08/23 05:15:58 davem Exp $
+/* $Id: atomic.S,v 1.3 2000/03/16 16:44:37 davem Exp $
  * atomic.S: These things are too big to do inline.
  *
  * Copyright (C) 1999 David S. Miller (davem@redhat.com)
@@ -13,24 +13,24 @@
 
 	.globl	__atomic_add
 atomic_impl_begin:
-__atomic_add:
-	lduw	[%g1], %g5
-	add	%g5, %g2, %g7
-	cas	[%g1], %g5, %g7
+__atomic_add: /* %o0 = increment, %o1 = atomic_ptr */
+	lduw	[%o1], %g5
+	add	%g5, %o0, %g7
+	cas	[%o1], %g5, %g7
 	cmp	%g5, %g7
 	bne,pn	%icc, __atomic_add
 	 nop
-	jmpl	%g3 + 8, %g0
-	 add	%g7, %g2, %g2
+	retl
+	 add	%g7, %o0, %o0
 
 	.globl	__atomic_sub
-__atomic_sub:
-	lduw	[%g1], %g5
-	sub	%g5, %g2, %g7
-	cas	[%g1], %g5, %g7
+__atomic_sub: /* %o0 = increment, %o1 = atomic_ptr */
+	lduw	[%o1], %g5
+	sub	%g5, %o0, %g7
+	cas	[%o1], %g5, %g7
 	cmp	%g5, %g7
 	bne,pn	%icc, __atomic_sub
 	 nop
-	jmpl	%g3 + 8, %g0
-	 sub	%g7, %g2, %g2
+	retl
+	 sub	%g7, %o0, %o0
 atomic_impl_end: