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atomic_and.S revision 1.1.2.2
      1 /*	$NetBSD: atomic_and.S,v 1.1.2.2 2007/04/22 05:12:42 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2007 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include "atomic_op_asm.h"
     40 
     41 	.text
     42 
     43 ENTRY_NOPROFILE(_atomic_and_8)
     44 	movl	%sp@(4), %a0
     45 	movb	%sp@(11), %d0
     46 	andb	%d0, %a0@
     47 	rts
     48 ATOMIC_OP_ALIAS(atomic_and_8,_atomic_and_8)
     49 ATOMIC_OP_ALIAS(atomic_and_uchar,_atomic_and_8)
     50 STRONG_ALIAS(_atomic_and_uchar,_atomic_and_8)
     51 
     52 ENTRY_NOPROFILE(_atomic_and_8_nv)
     53 	movl	%sp@(4), %a0
     54 1:	movb	%a0@, %d0
     55 	movb	%d0, %d1
     56 	andb	%sp@(11), %d0
     57 	casb	%d1, %d0, %a0@
     58 	bne	1b
     59 	andl	#0xff, %d0
     60 	rts
     61 ATOMIC_OP_ALIAS(atomic_and_8_nv,_atomic_and_8_nv)
     62 ATOMIC_OP_ALIAS(atomic_and_uchar_nv,_atomic_and_8_nv)
     63 STRONG_ALIAS(_atomic_and_uchar_nv,_atomic_and_8_nv)
     64 
     65 ENTRY_NOPROFILE(_atomic_and_16)
     66 	movl	%sp@(4), %a0
     67 	movw	%sp@(10), %d0
     68 	andw	%d0, %a0@
     69 	rts
     70 ATOMIC_OP_ALIAS(atomic_and_16,_atomic_and_16)
     71 ATOMIC_OP_ALIAS(atomic_and_ushort,_atomic_and_16)
     72 STRONG_ALIAS(_atomic_and_ushort,_atomic_and_16)
     73 
     74 ENTRY_NOPROFILE(_atomic_and_16_nv)
     75 	movl	%sp@(4), %a0
     76 1:	movw	%a0@, %d0
     77 	movw	%d0, %d1
     78 	andw	%sp@(10), %d0
     79 	casw	%d1, %d0, %a0@
     80 	bne	1b
     81 	andl	#0xffff, %d0
     82 	rts
     83 ATOMIC_OP_ALIAS(atomic_and_16_nv,_atomic_and_16_nv)
     84 ATOMIC_OP_ALIAS(atomic_and_ushort_nv,_atomic_and_16_nv)
     85 STRONG_ALIAS(_atomic_and_ushort_nv,_atomic_and_16_nv)
     86 
     87 ENTRY_NOPROFILE(_atomic_and_32)
     88 	movl	%sp@(4), %a0
     89 	movl	%sp@(8), %d0
     90 	andl	%d0, %a0@
     91 	rts
     92 ATOMIC_OP_ALIAS(atomic_and_32,_atomic_and_32)
     93 ATOMIC_OP_ALIAS(atomic_and_uint,_atomic_and_32)
     94 STRONG_ALIAS(_atomic_and_uint,_atomic_and_32)
     95 ATOMIC_OP_ALIAS(atomic_and_ulong,_atomic_and_32)
     96 STRONG_ALIAS(_atomic_and_ulong,_atomic_and_32)
     97 
     98 ENTRY_NOPROFILE(_atomic_and_32_nv)
     99 	movl	%sp@(4), %a0
    100 1:	movl	%a0@, %d0
    101 	movl	%d0, %d1
    102 	andl	%sp@(8), %d0
    103 	casl	%d1, %d0, %a0@
    104 	bne	1b
    105 	rts
    106 ATOMIC_OP_ALIAS(atomic_and_32_nv,_atomic_and_32_nv)
    107 ATOMIC_OP_ALIAS(atomic_and_uint_nv,_atomic_and_32_nv)
    108 STRONG_ALIAS(_atomic_and_uint_nv,_atomic_and_32_nv)
    109 ATOMIC_OP_ALIAS(atomic_and_ulong_nv,_atomic_and_32_nv)
    110 STRONG_ALIAS(_atomic_and_ulong_nv,_atomic_and_32_nv)
    111