[src/trunk]: src/common/lib/libc/arch/arm/atomic Don't adjust return of atomi...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f1bbb2db4fe9
branches:  trunk
changeset: 789172:f1bbb2db4fe9
user:      matt <matt%NetBSD.org@localhost>
date:      Sat Aug 10 18:32:06 2013 +0000

description:
Don't adjust return of atomic_inc_64 since it's void and doesn't return
anything.

diffstat:

 common/lib/libc/arch/arm/atomic/atomic_inc_64.S |  7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diffs (21 lines):

diff -r f871bcb035af -r f1bbb2db4fe9 common/lib/libc/arch/arm/atomic/atomic_inc_64.S
--- a/common/lib/libc/arch/arm/atomic/atomic_inc_64.S   Sat Aug 10 18:28:15 2013 +0000
+++ b/common/lib/libc/arch/arm/atomic/atomic_inc_64.S   Sat Aug 10 18:32:06 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: atomic_inc_64.S,v 1.4 2013/08/10 18:28:15 matt Exp $   */
+/*     $NetBSD: atomic_inc_64.S,v 1.5 2013/08/10 18:32:06 matt Exp $   */
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -45,10 +45,7 @@
 #else
        mcr     p15, 0, ip, c7, c10, 5  /* data memory barrier */
 #endif
-       mvn     r2, #0                  /* r2 = -1 */
-       adds    LO, LO, r2              /* add it */
-       adc     HI, HI, r2              /* add with carry */
-       RET                             /* return orig value */
+       RET
        END(_atomic_inc_64)
 ATOMIC_OP_ALIAS(atomic_inc_64,_atomic_inc_64)