[src/trunk]: src/common/lib/libc/arch/arm/atomic cmpne -> cmp

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

details:   https://anonhg.NetBSD.org/src/rev/4b5a93e9c047
branches:  trunk
changeset: 789173:4b5a93e9c047
user:      matt <matt%NetBSD.org@localhost>
date:      Sat Aug 10 18:38:33 2013 +0000

description:
cmpne -> cmp
Use push/pop

diffstat:

 common/lib/libc/arch/arm/atomic/atomic_swap_64.S |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (35 lines):

diff -r f1bbb2db4fe9 -r 4b5a93e9c047 common/lib/libc/arch/arm/atomic/atomic_swap_64.S
--- a/common/lib/libc/arch/arm/atomic/atomic_swap_64.S  Sat Aug 10 18:32:06 2013 +0000
+++ b/common/lib/libc/arch/arm/atomic/atomic_swap_64.S  Sat Aug 10 18:38:33 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: atomic_swap_64.S,v 1.2 2012/09/13 00:36:12 matt Exp $  */
+/*     $NetBSD: atomic_swap_64.S,v 1.3 2013/08/10 18:38:33 matt Exp $  */
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -31,7 +31,7 @@
 #include "atomic_op_asm.h"
 
 ENTRY_NP(_atomic_swap_64)
-       str     r4, [sp, #-4]!          /* save temporary */
+       push    {r4}                    /* save temporary */
        mov     r4, r0                  /* return value will be in r0 */
 #ifndef __ARM_EABI__
        mov     r3, r2                  /* r2 will be overwriten by r1 */
@@ -40,14 +40,14 @@
 1:
        ldrexd  r0, [r4]                /* load old value */
        strexd  ip, r2, [r4]            /* store new value */
-       cmpne   ip, #0                  /*    succeed? */
+       cmp     ip, #0                  /*    succeed? */
        bne     1b                      /*    no, try again */
 #ifdef _ARM_ARCH_7
        dmb
 #else
        mcr     p15, 0, ip, c7, c10, 5  /* data memory barrier */
 #endif
-       ldr     r4, [sp], #4            /* restore temporary */
+       pop     {r4}                    /* restore temporary */
        RET
        END(_atomic_swap_64)
 ATOMIC_OP_ALIAS(atomic_swap_64,_atomic_swap_64)