src/hotspot/cpu/aarch64/gc/shared/modRefBarrierSetAssembler_aarch64.cpp
author lfoltan
Mon, 23 Sep 2019 14:49:04 -0400
changeset 58273 08a5148e7c4e
parent 54979 f982c1a6582c
permissions -rw-r--r--
8230505: Replace JVM type comparisons to T_OBJECT and T_ARRAY with call to is_reference_type Summary: Consistently use is_reference_type when comparing type for T_OBJECT or T_ARRAY. Reviewed-by: dlong, coleenp, hseigel Contributed-by: lois.foltan@oracle.com, john.r.rose@oracle.com
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/*
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 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "asm/macroAssembler.inline.hpp"
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#include "gc/shared/modRefBarrierSetAssembler.hpp"
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#define __ masm->
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void ModRefBarrierSetAssembler::arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
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                                                   Register src, Register dst, Register count, RegSet saved_regs) {
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  if (is_oop) {
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    gen_write_ref_array_pre_barrier(masm, decorators, dst, count, saved_regs);
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  }
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}
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void ModRefBarrierSetAssembler::arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
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                                                   Register start, Register count, Register tmp,
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                                                   RegSet saved_regs) {
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  if (is_oop) {
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    gen_write_ref_array_post_barrier(masm, decorators, start, count, tmp, saved_regs);
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  }
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}
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void ModRefBarrierSetAssembler::store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
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                                         Address dst, Register val, Register tmp1, Register tmp2) {
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  if (is_reference_type(type)) {
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    oop_store_at(masm, decorators, type, dst, val, tmp1, tmp2);
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  } else {
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    BarrierSetAssembler::store_at(masm, decorators, type, dst, val, tmp1, tmp2);
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  }
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}