| /* |
| * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package org.graalvm.compiler.hotspot.sparc; |
| |
| import static jdk.vm.ci.sparc.SPARC.i0; |
| import static jdk.vm.ci.sparc.SPARC.i1; |
| import static jdk.vm.ci.sparc.SPARC.i2; |
| import static jdk.vm.ci.sparc.SPARC.i3; |
| import static jdk.vm.ci.sparc.SPARC.i4; |
| import static jdk.vm.ci.sparc.SPARC.o0; |
| import static jdk.vm.ci.sparc.SPARC.o1; |
| import static jdk.vm.ci.sparc.SPARC.o2; |
| import static jdk.vm.ci.sparc.SPARC.o3; |
| import static jdk.vm.ci.sparc.SPARC.o4; |
| |
| import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; |
| import org.graalvm.compiler.lir.LIRInstructionClass; |
| import org.graalvm.compiler.lir.Opcode; |
| import org.graalvm.compiler.lir.asm.CompilationResultBuilder; |
| import org.graalvm.compiler.lir.sparc.SPARCLIRInstruction; |
| |
| /** |
| * Pops the current frame off the stack. |
| */ |
| @Opcode("LEAVE_CURRENT_STACK_FRAME") |
| final class SPARCHotSpotLeaveCurrentStackFrameOp extends SPARCLIRInstruction { |
| public static final LIRInstructionClass<SPARCHotSpotLeaveCurrentStackFrameOp> TYPE = LIRInstructionClass.create(SPARCHotSpotLeaveCurrentStackFrameOp.class); |
| |
| SPARCHotSpotLeaveCurrentStackFrameOp() { |
| super(TYPE); |
| } |
| |
| @Override |
| public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { |
| // Save O registers over restore. |
| masm.mov(o0, i0); |
| masm.mov(o1, i1); |
| masm.mov(o2, i2); |
| masm.mov(o3, i3); |
| masm.mov(o4, i4); |
| |
| crb.frameContext.leave(crb); |
| } |
| |
| @Override |
| public boolean leavesRegisterWindow() { |
| return true; |
| } |
| } |