[src/trunk]: src/common/lib/libc/atomic Add __sync_val_compare_and_swap_{1, 2}...

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

details:   https://anonhg.NetBSD.org/src/rev/8b0c00502c67
branches:  trunk
changeset: 331989:8b0c00502c67
user:      matt <matt%NetBSD.org@localhost>
date:      Wed Sep 03 19:30:47 2014 +0000

description:
Add __sync_val_compare_and_swap_{1,2} aliases for _atomic_cas_{8,16}

diffstat:

 common/lib/libc/atomic/atomic_cas_by_cas32.c |  8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diffs (33 lines):

diff -r b4f3cde8ce83 -r 8b0c00502c67 common/lib/libc/atomic/atomic_cas_by_cas32.c
--- a/common/lib/libc/atomic/atomic_cas_by_cas32.c      Wed Sep 03 19:29:40 2014 +0000
+++ b/common/lib/libc/atomic/atomic_cas_by_cas32.c      Wed Sep 03 19:30:47 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: atomic_cas_by_cas32.c,v 1.3 2014/03/09 16:19:14 riastradh Exp $        */
+/*     $NetBSD: atomic_cas_by_cas32.c,v 1.4 2014/09/03 19:30:47 matt Exp $     */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -32,6 +32,8 @@
 #include <sys/types.h>
 #include <sys/inttypes.h>
 
+#include "atomic_op_namespace.h"
+
 uint32_t _atomic_cas_32(volatile uint32_t *addr, uint32_t old, uint32_t new);
 uint16_t _atomic_cas_16(volatile uint16_t *addr, uint16_t old, uint16_t new);
 uint8_t _atomic_cas_8(volatile uint8_t *addr, uint8_t old, uint8_t new);
@@ -62,6 +64,8 @@
        return old;
 }
 
+crt_alias(__sync_val_compare_and_swap_2,_atomic_cas_16)
+
 uint8_t
 _atomic_cas_8(volatile uint8_t *addr, uint8_t old, uint8_t new)
 {
@@ -83,3 +87,5 @@
 
        return old;
 }
+
+crt_alias(__sync_val_compare_and_swap_1,_atomic_cas_8)