comparison graal/com.oracle.graal.hotspot.aarch64/src/com/oracle/graal/hotspot/aarch64/AArch64HotSpotCRuntimeCallEpilogueOp.java @ 23217:a1bfeec72458

AArch64 Graal Port
author twisti
date Thu, 24 Dec 2015 11:43:35 -1000
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23216:16b472b9ca55 23217:a1bfeec72458
1 /*
2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.graal.hotspot.aarch64;
24
25 import static jdk.vm.ci.aarch64.AArch64.zr;
26
27 import com.oracle.graal.asm.aarch64.AArch64MacroAssembler;
28 import com.oracle.graal.lir.LIRInstructionClass;
29 import com.oracle.graal.lir.Opcode;
30 import com.oracle.graal.lir.aarch64.AArch64LIRInstruction;
31 import com.oracle.graal.lir.asm.CompilationResultBuilder;
32
33 import jdk.vm.ci.code.Register;
34
35 @Opcode("CRUNTIME_CALL_EPILOGUE")
36 public class AArch64HotSpotCRuntimeCallEpilogueOp extends AArch64LIRInstruction {
37 public static final LIRInstructionClass<AArch64HotSpotCRuntimeCallEpilogueOp> TYPE = LIRInstructionClass.create(AArch64HotSpotCRuntimeCallEpilogueOp.class);
38
39 private final int threadLastJavaSpOffset;
40 private final int threadLastJavaFpOffset;
41 private final Register thread;
42
43 public AArch64HotSpotCRuntimeCallEpilogueOp(int threadLastJavaSpOffset, int threadLastJavaFpOffset, Register thread) {
44 super(TYPE);
45 this.threadLastJavaSpOffset = threadLastJavaSpOffset;
46 this.threadLastJavaFpOffset = threadLastJavaFpOffset;
47 this.thread = thread;
48 }
49
50 @Override
51 public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) {
52 // reset last Java frame:
53 masm.str(64, zr, masm.makeAddress(thread, threadLastJavaSpOffset, 8));
54 masm.str(64, zr, masm.makeAddress(thread, threadLastJavaFpOffset, 8));
55 }
56 }