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This commit is contained in:
matt 2013-08-19 00:35:06 +00:00
parent 0cd0e4b29d
commit dcdd476662
1 changed files with 8 additions and 2 deletions
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10
common/lib/libc/arch/arm/atomic/atomic_cas_up.S
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@ -1,4 +1,4 @@
/* $NetBSD: atomic_cas_up.S,v 1.3 2013/08/10 19:59:21 matt Exp $ */ /* $NetBSD: atomic_cas_up.S,v 1.4 2013/08/19 00:35:06 matt Exp $ */
/*- /*-
* Copyright (c) 2008 The NetBSD Foundation, Inc. * Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -35,10 +35,16 @@
ENTRY(_atomic_cas_up) ENTRY(_atomic_cas_up)
.hidden _C_LABEL(_atomic_cas_up) .hidden _C_LABEL(_atomic_cas_up)
mov r3, r0 mov r3, r0
.align 0
RAS_START_ASM_HIDDEN(_atomic_cas) RAS_START_ASM_HIDDEN(_atomic_cas)
ldr r0, [r3] ldr r0, [r3]
cmp r0, r1 cmp r0, r1
#if defined(__thumb__)
beq 1f
#else
streq r2, [r3] streq r2, [r3]
#endif
.align 0
RAS_END_ASM_HIDDEN(_atomic_cas) RAS_END_ASM_HIDDEN(_atomic_cas)
RET 1: RET
END(_atomic_cas_up) END(_atomic_cas_up)