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Annotation of src/common/lib/libc/arch/m68k/atomic/atomic_and.S, Revision 1.4.4.2

1.4.4.2 ! yamt        1: /*     $NetBSD: atomic_and.S,v 1.4.4.1 2008/05/18 12:28:45 yamt Exp $  */
1.2       ad          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:  *
                     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:        .text
                     35:
1.4.4.2 ! yamt       36: ENTRY(_atomic_and_32)
1.2       ad         37:        movl    %sp@(4), %a0
                     38:        movl    %sp@(8), %d0
                     39:        andl    %d0, %a0@
                     40:        rts
                     41: ATOMIC_OP_ALIAS(atomic_and_32,_atomic_and_32)
                     42: ATOMIC_OP_ALIAS(atomic_and_uint,_atomic_and_32)
                     43: STRONG_ALIAS(_atomic_and_uint,_atomic_and_32)
                     44: ATOMIC_OP_ALIAS(atomic_and_ulong,_atomic_and_32)
                     45: STRONG_ALIAS(_atomic_and_ulong,_atomic_and_32)
1.3       ad         46: ATOMIC_OP_ALIAS(atomic_and_ptr,_atomic_and_32)
                     47: STRONG_ALIAS(_atomic_and_ptr,_atomic_and_32)
1.2       ad         48:
1.4.4.2 ! yamt       49: ENTRY(_atomic_and_32_nv)
1.2       ad         50:        movl    %sp@(4), %a0
                     51: 1:     movl    %a0@, %d0
                     52:        movl    %d0, %d1
                     53:        andl    %sp@(8), %d0
                     54:        casl    %d1, %d0, %a0@
                     55:        bne     1b
                     56:        rts
                     57: ATOMIC_OP_ALIAS(atomic_and_32_nv,_atomic_and_32_nv)
                     58: ATOMIC_OP_ALIAS(atomic_and_uint_nv,_atomic_and_32_nv)
                     59: STRONG_ALIAS(_atomic_and_uint_nv,_atomic_and_32_nv)
                     60: ATOMIC_OP_ALIAS(atomic_and_ulong_nv,_atomic_and_32_nv)
                     61: STRONG_ALIAS(_atomic_and_ulong_nv,_atomic_and_32_nv)
1.3       ad         62: ATOMIC_OP_ALIAS(atomic_and_ptr_nv,_atomic_and_32_nv)
                     63: STRONG_ALIAS(_atomic_and_ptr_nv,_atomic_and_32_nv)