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view graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotPushInterpreterFrameOp.java @ 16976:87fc600ec586
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author | Josef Eisl <josef.eisl@jku.at> |
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date | Wed, 27 Aug 2014 15:36:16 +0200 |
parents | 109d6c7c40b5 |
children | 2d401b9ca70d |
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/* * Copyright (c) 2013, 2014, 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 static com.oracle.graal.asm.sparc.SPARCMacroAssembler.*; import static com.oracle.graal.sparc.SPARC.*; import static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.sparc.*; import com.oracle.graal.lir.asm.*; /** * Pushes an interpreter frame to the stack. */ @Opcode("PUSH_INTERPRETER_FRAME") final class SPARCHotSpotPushInterpreterFrameOp extends SPARCLIRInstruction { @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) { 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. new Mov(senderSpRegister, o5).emit(masm); new Neg(frameSizeRegister).emit(masm); new Save(sp, frameSizeRegister, sp).emit(masm); new Mov(i0, o0).emit(masm); new Mov(i1, o1).emit(masm); new Mov(i2, o2).emit(masm); new Mov(i3, o3).emit(masm); new Mov(i4, o4).emit(masm); // NOTE: Don't touch I5 as it contains valuable saved SP! // Move frame's new PC into i7 new Mov(framePcRegister, i7).emit(masm); } }