Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotPushInterpreterFrameOp.java @ 21720:d915361cc3a1
moved asm, bytecode and asm.test code back to com.oracle.graal name space (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 04 Jun 2015 13:35:47 +0200 |
parents | 6df25b1418be |
children |
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/* * Copyright (c) 2013, 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 com.oracle.graal.hotspot.sparc; import com.oracle.jvmci.code.Register; import com.oracle.jvmci.meta.AllocatableValue; import static com.oracle.jvmci.code.ValueUtil.*; import static com.oracle.jvmci.sparc.SPARC.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.lir.sparc.*; /** * Pushes an interpreter frame to the stack. */ @Opcode("PUSH_INTERPRETER_FRAME") final class SPARCHotSpotPushInterpreterFrameOp extends SPARCLIRInstruction { public static final LIRInstructionClass<SPARCHotSpotPushInterpreterFrameOp> TYPE = LIRInstructionClass.create(SPARCHotSpotPushInterpreterFrameOp.class); @Alive(REG) AllocatableValue frameSize; @Alive(REG) AllocatableValue framePc; @Alive(REG) AllocatableValue senderSp; @Alive(REG) AllocatableValue initialInfo; SPARCHotSpotPushInterpreterFrameOp(AllocatableValue frameSize, AllocatableValue framePc, AllocatableValue senderSp, AllocatableValue initialInfo) { super(TYPE); this.frameSize = frameSize; this.framePc = framePc; this.senderSp = senderSp; this.initialInfo = initialInfo; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { final Register frameSizeRegister = asRegister(frameSize); final Register framePcRegister = asRegister(framePc); final Register senderSpRegister = asRegister(senderSp); // Save sender SP to O5_savedSP. masm.mov(senderSpRegister, o5); masm.neg(frameSizeRegister); masm.save(sp, frameSizeRegister, sp); masm.mov(i0, o0); masm.mov(i1, o1); masm.mov(i2, o2); masm.mov(i3, o3); masm.mov(i4, o4); // NOTE: Don't touch I5 as it contains valuable saved SP! // Move frame's new PC into i7 masm.mov(framePcRegister, i7); } @Override public boolean leavesRegisterWindow() { return true; } }