1*0a6a1f1dSLionel Sambuc/* $NetBSD: atomic_add_64.S,v 1.2 2015/03/27 06:42:37 matt Exp $ */ 2*0a6a1f1dSLionel Sambuc 3*0a6a1f1dSLionel Sambuc/*- 4*0a6a1f1dSLionel Sambuc * Copyright (c) 2014 The NetBSD Foundation, Inc. 5*0a6a1f1dSLionel Sambuc * All rights reserved. 6*0a6a1f1dSLionel Sambuc * 7*0a6a1f1dSLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation 8*0a6a1f1dSLionel Sambuc * by Matt Thomas of 3am Software Foundry. 9*0a6a1f1dSLionel Sambuc * 10*0a6a1f1dSLionel Sambuc * Redistribution and use in source and binary forms, with or without 11*0a6a1f1dSLionel Sambuc * modification, are permitted provided that the following conditions 12*0a6a1f1dSLionel Sambuc * are met: 13*0a6a1f1dSLionel Sambuc * 1. Redistributions of source code must retain the above copyright 14*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer. 15*0a6a1f1dSLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright 16*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer in the 17*0a6a1f1dSLionel Sambuc * documentation and/or other materials provided with the distribution. 18*0a6a1f1dSLionel Sambuc * 19*0a6a1f1dSLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20*0a6a1f1dSLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21*0a6a1f1dSLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22*0a6a1f1dSLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23*0a6a1f1dSLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24*0a6a1f1dSLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25*0a6a1f1dSLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26*0a6a1f1dSLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27*0a6a1f1dSLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28*0a6a1f1dSLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29*0a6a1f1dSLionel Sambuc * POSSIBILITY OF SUCH DAMAGE. 30*0a6a1f1dSLionel Sambuc */ 31*0a6a1f1dSLionel Sambuc 32*0a6a1f1dSLionel Sambuc#include "atomic_op_asm.h" 33*0a6a1f1dSLionel Sambuc 34*0a6a1f1dSLionel SambucENTRY_NP(_atomic_inc_64) 35*0a6a1f1dSLionel Sambuc li a1, 1 36*0a6a1f1dSLionel SambucENTRY_NP(_atomic_add_64) 37*0a6a1f1dSLionel Sambuc amoadd.d.aq a0, a1, 0(a0) 38*0a6a1f1dSLionel Sambuc ret 39*0a6a1f1dSLionel SambucEND(_atomic_add_64) 40*0a6a1f1dSLionel SambucEND(_atomic_inc_64) 41*0a6a1f1dSLionel Sambuc 42*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_add_64,_atomic_add_64) 43*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_add_long,_atomic_add_64) 44*0a6a1f1dSLionel SambucSTRONG_ALIAS(_atomic_add_long,_atomic_add_64) 45*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_add_ptr,_atomic_add_64) 46*0a6a1f1dSLionel SambucSTRONG_ALIAS(_atomic_add_ptr,_atomic_add_64) 47*0a6a1f1dSLionel SambucCRT_ALIAS(__sync_fetch_and_add_8,_atomic_add_64) 48*0a6a1f1dSLionel SambucCRT_ALIAS(__atomic_fetch_add_8,_atomic_add_64) 49*0a6a1f1dSLionel Sambuc 50*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_inc_64,_atomic_inc_64) 51*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_inc_ulong,_atomic_inc_64) 52*0a6a1f1dSLionel SambucSTRONG_ALIAS(_atomic_inc_ulong,_atomic_inc_64) 53*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_inc_ptr,_atomic_inc_64) 54*0a6a1f1dSLionel SambucSTRONG_ALIAS(_atomic_inc_ptr,_atomic_inc_64) 55*0a6a1f1dSLionel Sambuc 56*0a6a1f1dSLionel SambucENTRY_NP(_atomic_inc_64_nv) 57*0a6a1f1dSLionel Sambuc li a1, 1 58*0a6a1f1dSLionel SambucENTRY_NP(_atomic_add_64_nv) 59*0a6a1f1dSLionel Sambuc amoadd.d.aq t0, a1, 0(a0) /* update memory and get old value */ 60*0a6a1f1dSLionel Sambuc LONG_ADD a0, t0, a1 /* turn into new value */ 61*0a6a1f1dSLionel Sambuc ret 62*0a6a1f1dSLionel SambucEND(_atomic_add_64_nv) 63*0a6a1f1dSLionel SambucEND(_atomic_inc_64_nv) 64*0a6a1f1dSLionel Sambuc 65*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_add_64_nv,_atomic_add_64_nv) 66*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_add_long_nv,_atomic_add_64_nv) 67*0a6a1f1dSLionel SambucSTRONG_ALIAS(_atomic_add_long_nv,_atomic_add_64_nv) 68*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_add_ptr_nv,_atomic_add_64_nv) 69*0a6a1f1dSLionel SambucSTRONG_ALIAS(_atomic_add_ptr_nv,_atomic_add_64_nv) 70*0a6a1f1dSLionel SambucCRT_ALIAS(__sync_add_and_fetch_8,_atomic_add_64_nv) 71*0a6a1f1dSLionel SambucCRT_ALIAS(__atomic_add_fetch_8,_atomic_add_64_nv) 72*0a6a1f1dSLionel Sambuc 73*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_inc_64_nv,_atomic_inc_64_nv) 74*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_inc_ulong_nv,_atomic_inc_64_nv) 75*0a6a1f1dSLionel SambucSTRONG_ALIAS(_atomic_inc_ulong_nv,_atomic_inc_64_nv) 76*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_inc_ptr_nv,_atomic_inc_64_nv) 77*0a6a1f1dSLionel SambucSTRONG_ALIAS(_atomic_inc_ptr_nv,_atomic_inc_64_nv) 78