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Push two registers to keep stack aligned.

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This commit is contained in:
matt 2013-08-20 07:52:31 +00:00
parent 3444a5b35b
commit 7eb7e9aa67
4 changed files with 12 additions and 12 deletions
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6
common/lib/libc/arch/arm/atomic/atomic_add_64.S
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@ -1,4 +1,4 @@
/* $NetBSD: atomic_add_64.S,v 1.7 2013/08/11 04:41:17 matt Exp $ */
/* $NetBSD: atomic_add_64.S,v 1.8 2013/08/20 07:52:31 matt Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
@ -33,7 +33,7 @@
#ifdef _ARM_ARCH_6
ENTRY_NP(_atomic_add_64_nv)
push {r4} /* save temporary */
push {r3,r4} /* save temporary */
mov ip, r0 /* need r0 for return value */
#ifndef __ARM_EABI__
mov r3, r2
@ -50,7 +50,7 @@ ENTRY_NP(_atomic_add_64_nv)
#else
mcr p15, 0, r4, c7, c10, 5 /* data memory barrier */
#endif
pop {r4} /* restore temporary */
pop {r3,r4} /* restore temporary */
RET /* return new value */
END(_atomic_add_64_nv)

6
common/lib/libc/arch/arm/atomic/atomic_and_64.S
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@ -1,4 +1,4 @@
/* $NetBSD: atomic_and_64.S,v 1.6 2013/08/11 04:41:17 matt Exp $ */
/* $NetBSD: atomic_and_64.S,v 1.7 2013/08/20 07:52:31 matt Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
@ -33,7 +33,7 @@
#ifdef _ARM_ARCH_6
ENTRY_NP(_atomic_and_64_nv)
push {r4} /* save temporary */
push {r3,r4} /* save temporary */
#ifndef __ARM_EABI__
mov r3, r2
mov r2, r1
@ -50,7 +50,7 @@ ENTRY_NP(_atomic_and_64_nv)
#else
mcr p15, 0, r4, c7, c10, 5 /* data memory barrier */
#endif
pop {r4} /* restore temporary */
pop {r3,r4} /* restore temporary */
RET /* return new value */
END(_atomic_and_64_nv)

6
common/lib/libc/arch/arm/atomic/atomic_or_64.S
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@ -1,4 +1,4 @@
/* $NetBSD: atomic_or_64.S,v 1.6 2013/08/11 04:41:17 matt Exp $ */
/* $NetBSD: atomic_or_64.S,v 1.7 2013/08/20 07:52:31 matt Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
@ -33,7 +33,7 @@
#ifdef _ARM_ARCH_6
ENTRY_NP(_atomic_or_64_nv)
push {r4} /* save temporary */
push {r3,r4} /* save temporary */
#ifndef __ARM_EABI__
mov r3, r2
mov r2, r1
@ -50,7 +50,7 @@ ENTRY_NP(_atomic_or_64_nv)
#else
mcr p15, 0, r4, c7, c10, 5 /* data memory barrier */
#endif
pop {r4} /* restore temporary */
pop {r3,r4} /* restore temporary */
RET /* return new value */
END(_atomic_or_64_nv)

6
common/lib/libc/arch/arm/atomic/atomic_swap_64.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: atomic_swap_64.S,v 1.4 2013/08/10 19:59:21 matt Exp $ */
/* $NetBSD: atomic_swap_64.S,v 1.5 2013/08/20 07:52:31 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)
push {r4} /* save temporary */
push {r3,r4} /* save temporary */
mov ip, r0 /* return value will be in r0 */
#ifndef __ARM_EABI__
mov r3, r2 /* r2 will be overwriten by r1 */
@ -46,7 +46,7 @@ ENTRY_NP(_atomic_swap_64)
#else
mcr p15, 0, r4, c7, c10, 5 /* data memory barrier */
#endif
pop {r4} /* restore temporary */
pop {r3,r4} /* restore temporary */
RET
END(_atomic_swap_64)
ATOMIC_OP_ALIAS(atomic_swap_64,_atomic_swap_64)