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atomic_and_64.S revision 1.1 
      1 /*	$NetBSD: atomic_and_64.S,v 1.1 2014/09/19 17:36:24 matt Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2014 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Matt Thomas of 3am Software Foundry.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "atomic_op_asm.h"
     33 
     34 ENTRY_NP(_atomic_and_64)
     35 	amoand.d.aq	v0, a1, 0(a0)
     36 	ret
     37 END(_atomic_and_64)
     38 
     39 ATOMIC_OP_ALIAS(atomic_and_64,_atomic_and_64)
     40 ATOMIC_OP_ALIAS(atomic_and_ulong,_atomic_and_64)
     41 STRONG_ALIAS(_atomic_and_ulong,_atomic_and_64)
     42 CRT_ALIAS(__sync_fetch_and_and_8,_atomic_and_64)
     43 CRT_ALIAS(__atomic_fetch_and_8,_atomic_and_64)
     44 
     45 ENTRY_NP(_atomic_and_64_nv)
     46 	amoand.d.aq	v0, a1, 0(a0)	/* update memory and get old value */
     47 	and		v0, v0, a1	/* turn into new value */
     48 	ret
     49 END(_atomic_and_64_nv)
     50 ATOMIC_OP_ALIAS(atomic_and_64_nv,_atomic_and_64_nv)
     51 ATOMIC_OP_ALIAS(atomic_and_ulong_nv,_atomic_and_64_nv)
     52 STRONG_ALIAS(_atomic_and_ulong_nv,_atomic_and_64_nv)
     53 CRT_ALIAS(__sync_and_and_fetch_8,_atomic_and_64_nv)
     54 CRT_ALIAS(__atomic_and_fetch_8,_atomic_and_64_nv)
     55