Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCMove.java @ 21673:5024c80224c7
moved com.oracle.graal.[amd64|sparc] to com.oracle.jvmci.[amd64|sparc] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 02 Jun 2015 22:11:52 +0200 |
parents | 48c1ebd24120 |
children | 6df25b1418be |
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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.lir.sparc; import com.oracle.jvmci.code.Register; import com.oracle.jvmci.code.StackSlotValue; import com.oracle.jvmci.code.StackSlot; import com.oracle.jvmci.meta.LIRKind; import com.oracle.jvmci.meta.PlatformKind; import com.oracle.jvmci.meta.Kind; import com.oracle.jvmci.meta.Value; import com.oracle.jvmci.meta.AllocatableValue; import com.oracle.jvmci.meta.JavaConstant; import com.oracle.jvmci.sparc.*; import com.oracle.jvmci.sparc.SPARC.*; import static com.oracle.jvmci.code.ValueUtil.*; import static com.oracle.jvmci.meta.Kind.*; import static com.oracle.jvmci.sparc.SPARC.*; import static com.oracle.graal.asm.sparc.SPARCAssembler.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.ScratchRegister; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Setx; import com.oracle.graal.lir.*; import com.oracle.graal.lir.StandardOp.ImplicitNullCheck; import com.oracle.graal.lir.StandardOp.MoveOp; import com.oracle.graal.lir.StandardOp.NullCheck; import com.oracle.graal.lir.asm.*; import com.oracle.jvmci.common.*; public class SPARCMove { @Opcode("MOVE_TOREG") public static class MoveToRegOp extends SPARCLIRInstruction implements MoveOp, SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<MoveToRegOp> TYPE = LIRInstructionClass.create(MoveToRegOp.class); @Def({REG, HINT}) protected AllocatableValue result; @Use({REG, STACK, CONST}) protected Value input; public MoveToRegOp(AllocatableValue result, Value input) { super(TYPE); this.result = result; this.input = input; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { move(crb, masm, getResult(), getInput(), delayedControlTransfer); } @Override public Value getInput() { return input; } @Override public AllocatableValue getResult() { return result; } } @Opcode("MOVE_FROMREG") public static final class MoveFromRegOp extends SPARCLIRInstruction implements MoveOp, SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<MoveFromRegOp> TYPE = LIRInstructionClass.create(MoveFromRegOp.class); @Def({REG, STACK}) protected AllocatableValue result; @Use({REG, CONST, HINT}) protected Value input; public MoveFromRegOp(AllocatableValue result, Value input) { super(TYPE); this.result = result; this.input = input; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { move(crb, masm, getResult(), getInput(), delayedControlTransfer); } @Override public Value getInput() { return input; } @Override public AllocatableValue getResult() { return result; } } /** * Move between floating-point and general purpose register domain (WITHOUT VIS3). */ @Opcode("MOVE") public static final class MoveFpGp extends SPARCLIRInstruction implements MoveOp, SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<MoveFpGp> TYPE = LIRInstructionClass.create(MoveFpGp.class); @Def({REG}) protected AllocatableValue result; @Use({REG}) protected AllocatableValue input; @Use({STACK}) protected StackSlotValue temp; public MoveFpGp(AllocatableValue result, AllocatableValue input, StackSlotValue temp) { super(TYPE); this.result = result; this.input = input; this.temp = temp; assert this.temp.getPlatformKind() == Kind.Long; } public Value getInput() { return input; } public AllocatableValue getResult() { return result; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { Kind inputKind = (Kind) input.getPlatformKind(); Kind resultKind = (Kind) result.getPlatformKind(); int resultKindSize = crb.target.getSizeInBytes(resultKind); try (ScratchRegister sc = masm.getScratchRegister()) { Register scratch = sc.getRegister(); SPARCAddress tempAddress = generateSimm13OffsetLoad((SPARCAddress) crb.asAddress(temp), masm, scratch); switch (inputKind) { case Float: assert resultKindSize == 4; masm.stf(asFloatReg(input), tempAddress); break; case Double: assert resultKindSize == 8; masm.stdf(asDoubleReg(input), tempAddress); break; case Long: case Int: case Short: case Char: case Byte: if (resultKindSize == 8) { masm.stx(asLongReg(input), tempAddress); } else if (resultKindSize == 4) { masm.stw(asIntReg(input), tempAddress); } else if (resultKindSize == 2) { masm.sth(asIntReg(input), tempAddress); } else if (resultKindSize == 1) { masm.stb(asIntReg(input), tempAddress); } else { throw JVMCIError.shouldNotReachHere(); } break; default: JVMCIError.shouldNotReachHere(); } delayedControlTransfer.emitControlTransfer(crb, masm); switch (resultKind) { case Long: masm.ldx(tempAddress, asLongReg(result)); break; case Int: masm.ldsw(tempAddress, asIntReg(result)); break; case Short: masm.ldsh(tempAddress, asIntReg(input)); break; case Char: masm.lduh(tempAddress, asIntReg(input)); break; case Byte: masm.ldsb(tempAddress, asIntReg(input)); break; case Float: masm.ldf(tempAddress, asFloatReg(result)); break; case Double: masm.lddf(tempAddress, asDoubleReg(result)); break; default: JVMCIError.shouldNotReachHere(); break; } } } } /** * Move between floating-point and general purpose register domain (WITH VIS3). */ @Opcode("MOVE") public static final class MoveFpGpVIS3 extends SPARCLIRInstruction implements MoveOp, SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<MoveFpGpVIS3> TYPE = LIRInstructionClass.create(MoveFpGpVIS3.class); @Def({REG}) protected AllocatableValue result; @Use({REG}) protected AllocatableValue input; public MoveFpGpVIS3(AllocatableValue result, AllocatableValue input) { super(TYPE); this.result = result; this.input = input; } public Value getInput() { return input; } public AllocatableValue getResult() { return result; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { Kind inputKind = (Kind) input.getPlatformKind(); Kind resultKind = (Kind) result.getPlatformKind(); delayedControlTransfer.emitControlTransfer(crb, masm); if (resultKind == Float) { if (inputKind == Int || inputKind == Short || inputKind == Char || inputKind == Byte) { masm.movwtos(asIntReg(input), asFloatReg(result)); } else { throw JVMCIError.shouldNotReachHere(); } } else if (resultKind == Double) { if (inputKind == Int || inputKind == Short || inputKind == Char || inputKind == Byte) { masm.movxtod(asIntReg(input), asDoubleReg(result)); } else { masm.movxtod(asLongReg(input), asDoubleReg(result)); } } else if (inputKind == Float) { if (resultKind == Int || resultKind == Short || resultKind == Byte) { masm.movstosw(asFloatReg(input), asIntReg(result)); } else { masm.movstouw(asFloatReg(input), asIntReg(result)); } } else if (inputKind == Double) { if (resultKind == Long) { masm.movdtox(asDoubleReg(input), asLongReg(result)); } else { throw JVMCIError.shouldNotReachHere(); } } } } @Opcode("STACKMOVE") public static final class SPARCStackMove extends SPARCLIRInstruction implements MoveOp, SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<SPARCStackMove> TYPE = LIRInstructionClass.create(SPARCStackMove.class); @Def({STACK}) protected AllocatableValue result; @Use({STACK, HINT}) protected Value input; public SPARCStackMove(AllocatableValue result, Value input) { super(TYPE); this.result = result; this.input = input; } @Override public Value getInput() { return input; } @Override public AllocatableValue getResult() { return result; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { try (ScratchRegister scratchReg = masm.getScratchRegister()) { Register scratch = scratchReg.getRegister(); StackSlot intInput = reInterpret(asStackSlot(getInput())); StackSlot intResult = reInterpret(asStackSlot(getResult())); // move stack slot move(crb, masm, scratch.asValue(intInput.getLIRKind()), intInput, SPARCDelayedControlTransfer.DUMMY); move(crb, masm, intResult, scratch.asValue(intResult.getLIRKind()), delayedControlTransfer); } } private static StackSlot reInterpret(StackSlot slot) { switch ((Kind) slot.getPlatformKind()) { case Boolean: case Byte: case Short: case Char: case Int: case Long: case Object: return slot; case Float: return StackSlot.get(LIRKind.value(Kind.Int), slot.getRawOffset(), slot.getRawAddFrameSize()); case Double: return StackSlot.get(LIRKind.value(Kind.Long), slot.getRawOffset(), slot.getRawAddFrameSize()); default: throw JVMCIError.shouldNotReachHere(); } } } public abstract static class MemOp extends SPARCLIRInstruction implements ImplicitNullCheck { public static final LIRInstructionClass<MemOp> TYPE = LIRInstructionClass.create(MemOp.class); protected final PlatformKind kind; @Use({COMPOSITE}) protected SPARCAddressValue address; @State protected LIRFrameState state; public MemOp(LIRInstructionClass<? extends MemOp> c, PlatformKind kind, SPARCAddressValue address, LIRFrameState state) { super(c); this.kind = kind; this.address = address; this.state = state; } protected abstract void emitMemAccess(CompilationResultBuilder crb, SPARCMacroAssembler masm); @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { emitMemAccess(crb, masm); } public boolean makeNullCheckFor(Value value, LIRFrameState nullCheckState, int implicitNullCheckLimit) { if (state == null && value.equals(address.base) && address.index.equals(Value.ILLEGAL) && address.displacement >= 0 && address.displacement < implicitNullCheckLimit) { state = nullCheckState; return true; } return false; } } public static final class LoadOp extends MemOp implements SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<LoadOp> TYPE = LIRInstructionClass.create(LoadOp.class); @Def({REG}) protected AllocatableValue result; protected boolean signExtend; public LoadOp(Kind kind, AllocatableValue result, SPARCAddressValue address, LIRFrameState state) { this(kind, result, address, state, false); } public LoadOp(Kind kind, AllocatableValue result, SPARCAddressValue address, LIRFrameState state, boolean signExtend) { super(TYPE, kind, address, state); this.result = result; this.signExtend = signExtend; } @Override public void emitMemAccess(CompilationResultBuilder crb, SPARCMacroAssembler masm) { emitLoad(address.toAddress(), result, signExtend, kind, delayedControlTransfer, state, crb, masm); } } public static final class LoadAddressOp extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<LoadAddressOp> TYPE = LIRInstructionClass.create(LoadAddressOp.class); @Def({REG}) protected AllocatableValue result; @Use({COMPOSITE, UNINITIALIZED}) protected SPARCAddressValue addressValue; public LoadAddressOp(AllocatableValue result, SPARCAddressValue address) { super(TYPE); this.result = result; this.addressValue = address; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { SPARCAddress address = addressValue.toAddress(); loadEffectiveAddress(crb, masm, address, asLongReg(result), delayedControlTransfer); } } public static final class LoadDataAddressOp extends SPARCLIRInstruction { public static final LIRInstructionClass<LoadDataAddressOp> TYPE = LIRInstructionClass.create(LoadDataAddressOp.class); @Def({REG}) protected AllocatableValue result; private final byte[] data; public LoadDataAddressOp(AllocatableValue result, byte[] data) { super(TYPE); this.result = result; this.data = data; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { SPARCAddress addr = (SPARCAddress) crb.recordDataReferenceInCode(data, 16); assert addr == masm.getPlaceholder(); final boolean forceRelocatable = true; Register dstReg = asRegister(result); new Setx(0, dstReg, forceRelocatable).emit(masm); } } public static final class MembarOp extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<MembarOp> TYPE = LIRInstructionClass.create(MembarOp.class); private final int barriers; public MembarOp(final int barriers) { super(TYPE); this.barriers = barriers; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { delayedControlTransfer.emitControlTransfer(crb, masm); masm.membar(barriers); } } public static final class NullCheckOp extends SPARCLIRInstruction implements NullCheck, SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<NullCheckOp> TYPE = LIRInstructionClass.create(NullCheckOp.class); @Use({COMPOSITE}) protected SPARCAddressValue input; @State protected LIRFrameState state; public NullCheckOp(SPARCAddressValue input, LIRFrameState state) { super(TYPE); this.input = input; this.state = state; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { delayedControlTransfer.emitControlTransfer(crb, masm); SPARCAddress addr = input.toAddress(); crb.recordImplicitException(masm.position(), state); masm.ldx(addr, g0); } public Value getCheckedValue() { return input; } public LIRFrameState getState() { return state; } } @Opcode("CAS") public static final class CompareAndSwapOp extends SPARCLIRInstruction { public static final LIRInstructionClass<CompareAndSwapOp> TYPE = LIRInstructionClass.create(CompareAndSwapOp.class); @Def({REG, HINT}) protected AllocatableValue result; @Alive({REG}) protected AllocatableValue address; @Alive({REG}) protected AllocatableValue cmpValue; @Use({REG}) protected AllocatableValue newValue; public CompareAndSwapOp(AllocatableValue result, AllocatableValue address, AllocatableValue cmpValue, AllocatableValue newValue) { super(TYPE); this.result = result; this.address = address; this.cmpValue = cmpValue; this.newValue = newValue; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { move(crb, masm, result, newValue, SPARCDelayedControlTransfer.DUMMY); compareAndSwap(crb, masm, address, cmpValue, result, delayedControlTransfer); } } public static final class StackLoadAddressOp extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<StackLoadAddressOp> TYPE = LIRInstructionClass.create(StackLoadAddressOp.class); @Def({REG}) protected AllocatableValue result; @Use({STACK, UNINITIALIZED}) protected StackSlotValue slot; public StackLoadAddressOp(AllocatableValue result, StackSlotValue address) { super(TYPE); this.result = result; this.slot = address; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { SPARCAddress address = (SPARCAddress) crb.asAddress(slot); loadEffectiveAddress(crb, masm, address, asLongReg(result), delayedControlTransfer); } } private static void loadEffectiveAddress(CompilationResultBuilder crb, SPARCMacroAssembler masm, SPARCAddress address, Register result, SPARCDelayedControlTransfer delaySlotHolder) { if (address.getIndex().equals(Register.None)) { if (isSimm13(address.getDisplacement())) { delaySlotHolder.emitControlTransfer(crb, masm); masm.add(address.getBase(), address.getDisplacement(), result); } else { assert result.encoding() != address.getBase().encoding(); new Setx(address.getDisplacement(), result).emit(masm); // No relocation, therefore, the add can be delayed as well delaySlotHolder.emitControlTransfer(crb, masm); masm.add(address.getBase(), result, result); } } else { delaySlotHolder.emitControlTransfer(crb, masm); masm.add(address.getBase(), address.getIndex(), result); } } public static class StoreOp extends MemOp implements SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<StoreOp> TYPE = LIRInstructionClass.create(StoreOp.class); @Use({REG}) protected AllocatableValue input; public StoreOp(Kind kind, SPARCAddressValue address, AllocatableValue input, LIRFrameState state) { super(TYPE, kind, address, state); this.input = input; } @Override public void emitMemAccess(CompilationResultBuilder crb, SPARCMacroAssembler masm) { emitStore(input, address.toAddress(), kind, delayedControlTransfer, state, crb, masm); } } public static final class StoreConstantOp extends MemOp implements SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<StoreConstantOp> TYPE = LIRInstructionClass.create(StoreConstantOp.class); protected final JavaConstant input; public StoreConstantOp(Kind kind, SPARCAddressValue address, JavaConstant input, LIRFrameState state) { super(TYPE, kind, address, state); this.input = input; if (!input.isDefaultForKind()) { throw JVMCIError.shouldNotReachHere("Can only store null constants to memory"); } } @Override public void emitMemAccess(CompilationResultBuilder crb, SPARCMacroAssembler masm) { try (ScratchRegister sc = masm.getScratchRegister()) { Register scratch = sc.getRegister(); SPARCAddress addr = generateSimm13OffsetLoad(address.toAddress(), masm, scratch); delayedControlTransfer.emitControlTransfer(crb, masm); if (state != null) { crb.recordImplicitException(masm.position(), state); } switch ((Kind) kind) { case Boolean: case Byte: masm.stb(g0, addr); break; case Short: case Char: masm.sth(g0, addr); break; case Int: masm.stw(g0, addr); break; case Long: case Object: masm.stx(g0, addr); break; case Float: case Double: throw JVMCIError.shouldNotReachHere("Cannot store float constants to memory"); default: throw JVMCIError.shouldNotReachHere(); } } } } public static void move(CompilationResultBuilder crb, SPARCMacroAssembler masm, Value result, Value input, SPARCDelayedControlTransfer delaySlotLir) { if (isRegister(input)) { if (isRegister(result)) { reg2reg(crb, masm, result, input, delaySlotLir); } else if (isStackSlot(result)) { SPARCAddress resultAddress = (SPARCAddress) crb.asAddress(result); emitStore(input, resultAddress, input.getPlatformKind(), delaySlotLir, null, crb, masm); } else { throw JVMCIError.shouldNotReachHere(); } } else if (isStackSlot(input)) { if (isRegister(result)) { SPARCAddress inputAddress = (SPARCAddress) crb.asAddress(input); emitLoad(inputAddress, result, false, input.getPlatformKind(), delaySlotLir, null, crb, masm); } else { throw JVMCIError.shouldNotReachHere(); } } else if (isConstant(input)) { JavaConstant constant = asConstant(input); if (isRegister(result)) { const2reg(crb, masm, result, constant, delaySlotLir); } else if (isStackSlot(result)) { if (constant.isDefaultForKind() || constant.isNull()) { SPARCAddress resultAddress = (SPARCAddress) crb.asAddress(result); emitStore(g0.asValue(LIRKind.derive(input)), resultAddress, input.getPlatformKind(), delaySlotLir, null, crb, masm); } else { try (ScratchRegister sc = masm.getScratchRegister()) { Register scratch = sc.getRegister(); long value = constant.asLong(); if (isSimm13(value)) { masm.or(g0, (int) value, scratch); } else { new Setx(value, scratch).emit(masm); } SPARCAddress resultAddress = (SPARCAddress) crb.asAddress(result); emitStore(scratch.asValue(LIRKind.derive(input)), resultAddress, input.getPlatformKind(), delaySlotLir, null, crb, masm); } } } else { throw JVMCIError.shouldNotReachHere("Result is a: " + result); } } else { throw JVMCIError.shouldNotReachHere(); } } private static void reg2reg(CompilationResultBuilder crb, SPARCMacroAssembler masm, Value result, Value input, SPARCDelayedControlTransfer delaySlotLir) { final Register src = asRegister(input); final Register dst = asRegister(result); if (src.equals(dst)) { return; } switch (input.getKind()) { case Boolean: case Byte: case Short: case Char: case Int: case Long: case Object: delaySlotLir.emitControlTransfer(crb, masm); masm.mov(src, dst); break; case Float: if (result.getPlatformKind() == Kind.Float) { masm.fmovs(src, dst); } else { throw JVMCIError.shouldNotReachHere(); } break; case Double: if (result.getPlatformKind() == Kind.Double) { masm.fmovd(src, dst); } else { throw JVMCIError.shouldNotReachHere(); } break; default: throw JVMCIError.shouldNotReachHere("Input is a: " + input.getKind()); } } /** * Guarantees that the given SPARCAddress given before is loadable by subsequent load/store * instruction. If the displacement exceeds the simm13 value range, the value is put into a * scratch register. * * @param addr Address to modify * @param masm assembler to output the potential code to store the value in the scratch register * @param scratch The register as scratch to use * @return a loadable SPARCAddress */ public static SPARCAddress generateSimm13OffsetLoad(SPARCAddress addr, SPARCMacroAssembler masm, Register scratch) { boolean displacementOutOfBound = addr.getIndex().equals(Register.None) && !SPARCAssembler.isSimm13(addr.getDisplacement()); if (displacementOutOfBound) { new Setx(addr.getDisplacement(), scratch, false).emit(masm); return new SPARCAddress(addr.getBase(), scratch); } else { return addr; } } private static void const2reg(CompilationResultBuilder crb, SPARCMacroAssembler masm, Value result, JavaConstant input, SPARCDelayedControlTransfer delaySlotLir) { try (ScratchRegister sc = masm.getScratchRegister()) { Register scratch = sc.getRegister(); boolean hasVIS3 = ((SPARC) masm.target.arch).getFeatures().contains(CPUFeature.VIS3); Register resultRegister = asRegister(result); switch (input.getKind().getStackKind()) { case Int: if (input.isDefaultForKind()) { delaySlotLir.emitControlTransfer(crb, masm); masm.clr(resultRegister); } else if (isSimm13(input.asLong())) { delaySlotLir.emitControlTransfer(crb, masm); masm.or(g0, input.asInt(), resultRegister); } else { Setx set = new Setx(input.asLong(), resultRegister, false, true); set.emitFirstPartOfDelayed(masm); delaySlotLir.emitControlTransfer(crb, masm); set.emitSecondPartOfDelayed(masm); } break; case Long: if (input.isDefaultForKind()) { delaySlotLir.emitControlTransfer(crb, masm); masm.clr(resultRegister); } else if (isSimm13(input.asLong())) { delaySlotLir.emitControlTransfer(crb, masm); masm.or(g0, (int) input.asLong(), resultRegister); } else { Setx setx = new Setx(input.asLong(), resultRegister, false, true); setx.emitFirstPartOfDelayed(masm); delaySlotLir.emitControlTransfer(crb, masm); setx.emitSecondPartOfDelayed(masm); } break; case Float: { float constant = input.asFloat(); int constantBits = java.lang.Float.floatToIntBits(constant); if (constantBits == 0) { delaySlotLir.emitControlTransfer(crb, masm); masm.fzeros(resultRegister); } else { if (hasVIS3) { if (isSimm13(constantBits)) { masm.or(g0, constantBits, scratch); } else { new Setx(constantBits, scratch, false).emit(masm); } delaySlotLir.emitControlTransfer(crb, masm); // Now load the float value masm.movwtos(scratch, resultRegister); } else { crb.asFloatConstRef(input); // First load the address into the scratch register new Setx(0, scratch, true).emit(masm); // Now load the float value delaySlotLir.emitControlTransfer(crb, masm); masm.ldf(new SPARCAddress(scratch, 0), resultRegister); } } break; } case Double: { double constant = input.asDouble(); long constantBits = java.lang.Double.doubleToRawLongBits(constant); if (constantBits == 0) { delaySlotLir.emitControlTransfer(crb, masm); masm.fzerod(resultRegister); } else { if (hasVIS3) { if (isSimm13(constantBits)) { masm.or(g0, (int) constantBits, scratch); } else { new Setx(constantBits, scratch, false).emit(masm); } delaySlotLir.emitControlTransfer(crb, masm); // Now load the float value masm.movxtod(scratch, resultRegister); } else { crb.asDoubleConstRef(input); // First load the address into the scratch register new Setx(0, scratch, true).emit(masm); delaySlotLir.emitControlTransfer(crb, masm); // Now load the float value masm.lddf(new SPARCAddress(scratch, 0), resultRegister); } } break; } case Object: if (input.isNull()) { delaySlotLir.emitControlTransfer(crb, masm); masm.clr(resultRegister); } else if (crb.target.inlineObjects) { crb.recordInlineDataInCode(input); // relocatable cannot be delayed new Setx(0xDEADDEADDEADDEADL, resultRegister, true).emit(masm); } else { throw JVMCIError.unimplemented(); } break; default: throw JVMCIError.shouldNotReachHere("missing: " + input.getKind()); } } } protected static void compareAndSwap(CompilationResultBuilder crb, SPARCMacroAssembler masm, AllocatableValue address, AllocatableValue cmpValue, AllocatableValue newValue, SPARCDelayedControlTransfer delay) { delay.emitControlTransfer(crb, masm); switch (cmpValue.getKind()) { case Int: masm.cas(asRegister(address), asRegister(cmpValue), asRegister(newValue)); break; case Long: case Object: masm.casx(asRegister(address), asRegister(cmpValue), asRegister(newValue)); break; default: throw JVMCIError.shouldNotReachHere(); } } private static void emitLoad(SPARCAddress address, Value result, boolean signExtend, PlatformKind kind, SPARCDelayedControlTransfer delayedControlTransfer, LIRFrameState state, CompilationResultBuilder crb, SPARCMacroAssembler masm) { try (ScratchRegister sc = masm.getScratchRegister()) { Register scratch = sc.getRegister(); final SPARCAddress addr = generateSimm13OffsetLoad(address, masm, scratch); final Register dst = asRegister(result); delayedControlTransfer.emitControlTransfer(crb, masm); if (state != null) { crb.recordImplicitException(masm.position(), state); } switch ((Kind) kind) { case Boolean: case Byte: if (signExtend) { masm.ldsb(addr, dst); } else { masm.ldub(addr, dst); } break; case Short: if (signExtend) { masm.ldsh(addr, dst); } else { masm.lduh(addr, dst); } break; case Char: if (signExtend) { masm.ldsh(addr, dst); } else { masm.lduh(addr, dst); } break; case Int: if (signExtend) { masm.ldsw(addr, dst); } else { masm.lduw(addr, dst); } break; case Long: masm.ldx(addr, dst); break; case Float: masm.ldf(addr, dst); break; case Double: masm.lddf(addr, dst); break; case Object: masm.ldx(addr, dst); break; default: throw JVMCIError.shouldNotReachHere(); } } } private static void emitStore(Value input, SPARCAddress address, PlatformKind kind, SPARCDelayedControlTransfer delayedControlTransfer, LIRFrameState state, CompilationResultBuilder crb, SPARCMacroAssembler masm) { try (ScratchRegister sc = masm.getScratchRegister()) { Register scratch = sc.getRegister(); SPARCAddress addr = generateSimm13OffsetLoad(address, masm, scratch); delayedControlTransfer.emitControlTransfer(crb, masm); if (state != null) { crb.recordImplicitException(masm.position(), state); } switch ((Kind) kind) { case Boolean: case Byte: masm.stb(asRegister(input), addr); break; case Short: case Char: masm.sth(asRegister(input), addr); break; case Int: masm.stw(asRegister(input), addr); break; case Long: masm.stx(asRegister(input), addr); break; case Object: masm.stx(asRegister(input), addr); break; case Float: masm.stf(asRegister(input), addr); break; case Double: masm.stdf(asRegister(input), addr); break; default: throw JVMCIError.shouldNotReachHere("missing: " + kind); } } } }