Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotMove.java @ 21554:b1530a6cce8c
renamed com.oracle.graal.[debug|options|hotspotvmconfig]* modules to com.oracle.jvmci.[debug|options|hotspotvmconfig]* modules (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 26 May 2015 23:21:15 +0200 |
parents | 5324104ac4f3 |
children | 48c1ebd24120 |
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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 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.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.asm.sparc.SPARCAssembler.Annul; import com.oracle.graal.asm.sparc.SPARCAssembler.BranchPredict; import com.oracle.graal.asm.sparc.SPARCAssembler.CC; import com.oracle.graal.asm.sparc.SPARCAssembler.ConditionFlag; import com.oracle.graal.asm.sparc.SPARCAssembler.RCondition; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.ScratchRegister; import com.oracle.graal.compiler.common.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.StandardOp.MoveOp; import com.oracle.graal.lir.asm.*; import com.oracle.graal.lir.sparc.*; import com.oracle.graal.sparc.*; import com.oracle.jvmci.common.*; import com.oracle.jvmci.hotspot.*; import com.oracle.jvmci.hotspot.HotSpotVMConfig.CompressEncoding; public class SPARCHotSpotMove { public static final class HotSpotLoadConstantOp extends SPARCLIRInstruction implements MoveOp { public static final LIRInstructionClass<HotSpotLoadConstantOp> TYPE = LIRInstructionClass.create(HotSpotLoadConstantOp.class); @Def({REG, STACK}) private AllocatableValue result; private final JavaConstant input; public HotSpotLoadConstantOp(AllocatableValue result, JavaConstant input) { super(TYPE); this.result = result; this.input = input; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { if (isStackSlot(result)) { StackSlot ss = asStackSlot(result); try (ScratchRegister s1 = masm.getScratchRegister()) { Register sr1 = s1.getRegister(); loadToRegister(crb, masm, sr1.asValue(), input); try (ScratchRegister s2 = masm.getScratchRegister()) { Register sr2 = s2.getRegister(); int stackBias = HotSpotGraalRuntime.runtime().getConfig().stackBias; int offset = crb.frameMap.offsetForStackSlot(ss); new SPARCMacroAssembler.Setx(offset + stackBias, sr2).emit(masm); SPARCAddress addr = new SPARCAddress(SPARC.sp, sr2); Kind resultKind = (Kind) result.getPlatformKind(); switch (resultKind) { case Int: masm.stw(sr1, addr); break; case Long: case Object: masm.stx(sr1, addr); break; default: throw JVMCIError.shouldNotReachHere(); } } } } else { loadToRegister(crb, masm, result, input); } } private static void loadToRegister(CompilationResultBuilder crb, SPARCMacroAssembler masm, AllocatableValue dest, JavaConstant constant) { assert isRegister(dest); if (HotSpotCompressedNullConstant.COMPRESSED_NULL.equals(constant)) { masm.mov(0, asRegister(dest)); } else if (constant instanceof HotSpotObjectConstant) { boolean compressed = ((HotSpotObjectConstant) constant).isCompressed(); if (crb.target.inlineObjects) { crb.recordInlineDataInCode(constant); if (compressed) { masm.sethi(0xDEADDEAD >>> 10, asRegister(dest)); masm.add(asRegister(dest), 0xAD & 0x3F, asRegister(dest)); } else { new SPARCMacroAssembler.Setx(0xDEADDEADDEADDEADL, asRegister(dest), true).emit(masm); } } else { JVMCIError.unimplemented(); } } else if (constant instanceof HotSpotMetaspaceConstant) { assert constant.getKind() == Kind.Int || constant.getKind() == Kind.Long; boolean compressed = constant.getKind() == Kind.Int; boolean isImmutable = GraalOptions.ImmutableCode.getValue(); boolean generatePIC = GraalOptions.GeneratePIC.getValue(); crb.recordInlineDataInCode(constant); if (compressed) { if (isImmutable && generatePIC) { JVMCIError.unimplemented(); } else { new SPARCMacroAssembler.Setx(constant.asInt(), asRegister(dest), true).emit(masm); } } else { if (isImmutable && generatePIC) { JVMCIError.unimplemented(); } else { new SPARCMacroAssembler.Setx(constant.asLong(), asRegister(dest), true).emit(masm); } } } else { SPARCMove.move(crb, masm, dest, constant, SPARCDelayedControlTransfer.DUMMY); } } public Value getInput() { return input; } public AllocatableValue getResult() { return result; } } public static final class CompressPointer extends SPARCLIRInstruction { public static final LIRInstructionClass<CompressPointer> TYPE = LIRInstructionClass.create(CompressPointer.class); private final CompressEncoding encoding; private final boolean nonNull; @Def({REG}) protected AllocatableValue result; @Use({REG}) protected AllocatableValue input; @Alive({REG, ILLEGAL}) protected AllocatableValue baseRegister; public CompressPointer(AllocatableValue result, AllocatableValue input, AllocatableValue baseRegister, CompressEncoding encoding, boolean nonNull) { super(TYPE); this.result = result; this.input = input; this.baseRegister = baseRegister; this.encoding = encoding; this.nonNull = nonNull; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { SPARCMove.move(crb, masm, result, input, SPARCDelayedControlTransfer.DUMMY); Register resReg = asRegister(result); if (encoding.base != 0) { Register baseReg = asRegister(baseRegister); if (!nonNull) { masm.cmp(resReg, baseReg); masm.movcc(ConditionFlag.Equal, CC.Xcc, baseReg, resReg); } masm.sub(resReg, baseReg, resReg); } if (encoding.shift != 0) { masm.srlx(resReg, encoding.shift, resReg); } } } public static final class UncompressPointer extends SPARCLIRInstruction { public static final LIRInstructionClass<UncompressPointer> TYPE = LIRInstructionClass.create(UncompressPointer.class); private final CompressEncoding encoding; private final boolean nonNull; @Def({REG}) protected AllocatableValue result; @Use({REG}) protected AllocatableValue input; @Alive({REG, ILLEGAL}) protected AllocatableValue baseRegister; public UncompressPointer(AllocatableValue result, AllocatableValue input, AllocatableValue baseRegister, CompressEncoding encoding, boolean nonNull) { super(TYPE); this.result = result; this.input = input; this.baseRegister = baseRegister; this.encoding = encoding; this.nonNull = nonNull; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { SPARCMove.move(crb, masm, result, input, SPARCDelayedControlTransfer.DUMMY); Register resReg = asRegister(result); if (encoding.shift != 0) { masm.sll(resReg, encoding.shift, resReg); } if (encoding.base != 0) { if (nonNull) { masm.add(resReg, asRegister(baseRegister), resReg); } else { masm.cmp(resReg, resReg); Label done = new Label(); masm.bpr(RCondition.Rc_nz, Annul.ANNUL, done, BranchPredict.PREDICT_TAKEN, resReg); masm.add(asRegister(baseRegister), resReg, resReg); masm.bind(done); } } } } }