[src/trunk]: src/common/lib/libc/arch/arm/atomic Use r2 instead of ip

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

details:   https://anonhg.NetBSD.org/src/rev/de5cbc027d66
branches:  trunk
changeset: 789179:de5cbc027d66
user:      matt <matt%NetBSD.org@localhost>
date:      Sat Aug 10 18:45:12 2013 +0000

description:
Use r2 instead of ip

diffstat:

 common/lib/libc/arch/arm/atomic/atomic_dec_64.S |   6 +++---
 common/lib/libc/arch/arm/atomic/atomic_inc_64.S |  14 +++++++-------
 2 files changed, 10 insertions(+), 10 deletions(-)

diffs (70 lines):

diff -r 3aec99312acd -r de5cbc027d66 common/lib/libc/arch/arm/atomic/atomic_dec_64.S
--- a/common/lib/libc/arch/arm/atomic/atomic_dec_64.S   Sat Aug 10 18:42:29 2013 +0000
+++ b/common/lib/libc/arch/arm/atomic/atomic_dec_64.S   Sat Aug 10 18:45:12 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: atomic_dec_64.S,v 1.3 2013/08/10 18:40:19 matt Exp $   */
+/*     $NetBSD: atomic_dec_64.S,v 1.4 2013/08/10 18:45:12 matt Exp $   */
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -43,7 +43,7 @@
 #ifdef _ARM_ARCH_7
        dmb
 #else
-       mcr     p15, 0, ip, c7, c10, 5  /* data memory barrier */
+       mcr     p15, 0, r2, c7, c10, 5  /* data memory barrier */
 #endif
        RET
        END(_atomic_dec_64)
@@ -60,7 +60,7 @@
 #ifdef _ARM_ARCH_7
        dmb
 #else
-       mcr     p15, 0, ip, c7, c10, 5  /* data memory barrier */
+       mcr     p15, 0, r2, c7, c10, 5  /* data memory barrier */
 #endif
        RET                             /* return new value */
        END(_atomic_dec_64_nv)
diff -r 3aec99312acd -r de5cbc027d66 common/lib/libc/arch/arm/atomic/atomic_inc_64.S
--- a/common/lib/libc/arch/arm/atomic/atomic_inc_64.S   Sat Aug 10 18:42:29 2013 +0000
+++ b/common/lib/libc/arch/arm/atomic/atomic_inc_64.S   Sat Aug 10 18:45:12 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: atomic_inc_64.S,v 1.5 2013/08/10 18:32:06 matt Exp $   */
+/*     $NetBSD: atomic_inc_64.S,v 1.6 2013/08/10 18:45:12 matt Exp $   */
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -37,13 +37,13 @@
 1:     ldrexd  r0, [r3]                /* load old value (return value) */
        adds    LO, LO, #1              /* calculate new value */
        adc     HI, HI, #0              /* zero means we carried */
-       strexd  ip, r0, [r3]            /* try to store */
-       cmp     ip, #0                  /*   succeed? */
+       strexd  r2, r0, [r3]            /* try to store */
+       cmp     r2, #0                  /*   succeed? */
        bne     1b                      /*     no, try again? */
 #ifdef _ARM_ARCH_7
        dmb
 #else
-       mcr     p15, 0, ip, c7, c10, 5  /* data memory barrier */
+       mcr     p15, 0, r2, c7, c10, 5  /* data memory barrier */
 #endif
        RET
        END(_atomic_inc_64)
@@ -54,13 +54,13 @@
 1:     ldrexd  r0, [r3]                /* load old value */
        adds    LO, LO, #1              /* calculate new value (return value) */
        adc     HI, HI, #0              /* fold carry into high */
-       strexd  ip, r0, [r3]            /* try to store */
-       cmp     ip, #0                  /*   succeed? */
+       strexd  r2, r0, [r3]            /* try to store */
+       cmp     r2, #0                  /*   succeed? */
        bne     1b                      /*     no, try again? */
 #ifdef _ARM_ARCH_7
        dmb
 #else
-       mcr     p15, 0, ip, c7, c10, 5  /* data memory barrier */
+       mcr     p15, 0, r2, c7, c10, 5  /* data memory barrier */
 #endif
        RET                             /* return new value */
        END(_atomic_inc_64_nv)