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comparison graal/com.oracle.graal.hotspot.aarch64/src/com/oracle/graal/hotspot/aarch64/AArch64HotSpotCRuntimeCallEpilogueOp.java @ 23217:a1bfeec72458
AArch64 Graal Port
author | twisti |
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date | Thu, 24 Dec 2015 11:43:35 -1000 |
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23216:16b472b9ca55 | 23217:a1bfeec72458 |
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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 } |