本文整理汇总了Java中jdk.vm.ci.meta.JavaConstant.isDefaultForKind方法的典型用法代码示例。如果您正苦于以下问题：Java JavaConstant.isDefaultForKind方法的具体用法？Java JavaConstant.isDefaultForKind怎么用？Java JavaConstant.isDefaultForKind使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类jdk.vm.ci.meta.JavaConstant的用法示例。
在下文中一共展示了JavaConstant.isDefaultForKind方法的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: emitStore
import jdk.vm.ci.meta.JavaConstant; //导入方法依赖的package包/类
@Override
public void emitStore(ValueKind<?> lirKind, Value address, Value inputVal, LIRFrameState state) {
AArch64AddressValue storeAddress = getLIRGen().asAddressValue(address);
AArch64Kind kind = (AArch64Kind) lirKind.getPlatformKind();
if (isJavaConstant(inputVal) && kind.isInteger()) {
JavaConstant c = asJavaConstant(inputVal);
if (c.isDefaultForKind()) {
// We can load 0 directly into integer registers
getLIRGen().append(new StoreConstantOp(kind, storeAddress, c, state));
return;
}
}
AllocatableValue input = getLIRGen().asAllocatable(inputVal);
getLIRGen().append(new StoreOp(kind, storeAddress, input, state));
}
示例2: tryConstantFold
import jdk.vm.ci.meta.JavaConstant; //导入方法依赖的package包/类
private static ValueNode tryConstantFold(ValueNode array, ValueNode index, MetaAccessProvider metaAccess, ConstantReflectionProvider constantReflection) {
if (array.isConstant() && !array.isNullConstant() && index.isConstant()) {
JavaConstant arrayConstant = array.asJavaConstant();
if (arrayConstant != null) {
int stableDimension = ((ConstantNode) array).getStableDimension();
if (stableDimension > 0) {
JavaConstant constant = constantReflection.readArrayElement(arrayConstant, index.asJavaConstant().asInt());
boolean isDefaultStable = ((ConstantNode) array).isDefaultStable();
if (constant != null && (isDefaultStable || !constant.isDefaultForKind())) {
return ConstantNode.forConstant(constant, stableDimension - 1, isDefaultStable, metaAccess);
}
}
}
}
return null;
}
示例3: StoreConstantOp
import jdk.vm.ci.meta.JavaConstant; //导入方法依赖的package包/类
public StoreConstantOp(AArch64Kind kind, AArch64AddressValue address, JavaConstant input, LIRFrameState state) {
super(TYPE, kind, address, state);
this.input = input;
if (!input.isDefaultForKind()) {
throw GraalError.shouldNotReachHere("Can only store null constants to memory");
}
}
示例4: const2stack
import jdk.vm.ci.meta.JavaConstant; //导入方法依赖的package包/类
private static void const2stack(CompilationResultBuilder crb, AArch64MacroAssembler masm, Value result, JavaConstant constant) {
try (ScratchRegister addrReg = masm.getScratchRegister()) {
StackSlot slot = (StackSlot) result;
AArch64Address resultAddress = loadStackSlotAddress(crb, masm, slot, addrReg.getRegister());
if (constant.isDefaultForKind() || constant.isNull()) {
emitStore(crb, masm, (AArch64Kind) result.getPlatformKind(), resultAddress, zr.asValue(LIRKind.combine(result)));
} else {
try (ScratchRegister sc = masm.getScratchRegister()) {
Value scratchRegisterValue = sc.getRegister().asValue(LIRKind.combine(result));
const2reg(crb, masm, scratchRegisterValue, constant);
emitStore(crb, masm, (AArch64Kind) result.getPlatformKind(), resultAddress, scratchRegisterValue);
}
}
}
}
示例5: emitStore
import jdk.vm.ci.meta.JavaConstant; //导入方法依赖的package包/类
@Override
public void emitStore(ValueKind<?> kind, Value address, Value inputVal, LIRFrameState state) {
SPARCAddressValue storeAddress = getLIRGen().asAddressValue(address);
if (isJavaConstant(inputVal)) {
JavaConstant c = asJavaConstant(inputVal);
if (c.isDefaultForKind()) {
getLIRGen().append(new StoreConstantOp(kind.getPlatformKind(), storeAddress, c, state));
return;
}
}
Variable input = getLIRGen().load(inputVal);
getLIRGen().append(new StoreOp(kind.getPlatformKind(), storeAddress, input, state));
}
示例6: StoreConstantOp
import jdk.vm.ci.meta.JavaConstant; //导入方法依赖的package包/类
public StoreConstantOp(PlatformKind kind, SPARCAddressValue address, JavaConstant input, LIRFrameState state) {
super(TYPE, SIZE, kind, address, state);
this.input = input;
if (!input.isDefaultForKind()) {
throw GraalError.shouldNotReachHere("Can only store null constants to memory");
}
}
示例7: isStableFieldValueConstant
import jdk.vm.ci.meta.JavaConstant; //导入方法依赖的package包/类
@SuppressWarnings("unused")
protected boolean isStableFieldValueConstant(ResolvedJavaField field, JavaConstant value, ConstantFieldTool<?> tool) {
return !value.isDefaultForKind();
}
示例8: isFinalFieldValueConstant
import jdk.vm.ci.meta.JavaConstant; //导入方法依赖的package包/类
@SuppressWarnings("unused")
protected boolean isFinalFieldValueConstant(ResolvedJavaField field, JavaConstant value, ConstantFieldTool<?> tool) {
return !value.isDefaultForKind() || Options.TrustFinalDefaultFields.getValue(tool.getOptions());
}
示例9: emitCompareOp
import jdk.vm.ci.meta.JavaConstant; //导入方法依赖的package包/类
@Override
public void emitCompareOp(AMD64Kind cmpKind, Variable left, Value right) {
OperandSize size;
switch (cmpKind) {
case BYTE:
size = BYTE;
break;
case WORD:
size = WORD;
break;
case DWORD:
size = DWORD;
break;
case QWORD:
size = QWORD;
break;
case SINGLE:
getLIRGen().append(new AMD64BinaryConsumer.Op(SSEOp.UCOMIS, PS, left, getLIRGen().asAllocatable(right)));
return;
case DOUBLE:
getLIRGen().append(new AMD64BinaryConsumer.Op(SSEOp.UCOMIS, PD, left, getLIRGen().asAllocatable(right)));
return;
default:
throw GraalError.shouldNotReachHere("unexpected kind: " + cmpKind);
}
if (isConstantValue(right)) {
Constant c = LIRValueUtil.asConstant(right);
if (JavaConstant.isNull(c)) {
getLIRGen().append(new AMD64BinaryConsumer.Op(TEST, size, left, left));
return;
} else if (c instanceof VMConstant) {
VMConstant vc = (VMConstant) c;
if (size == DWORD && !GeneratePIC.getValue(getOptions())) {
getLIRGen().append(new AMD64BinaryConsumer.VMConstOp(CMP.getMIOpcode(DWORD, false), left, vc));
} else {
getLIRGen().append(new AMD64BinaryConsumer.DataOp(CMP.getRMOpcode(size), size, left, vc));
}
return;
} else if (c instanceof JavaConstant) {
JavaConstant jc = (JavaConstant) c;
if (jc.isDefaultForKind()) {
AMD64RMOp op = size == BYTE ? TESTB : TEST;
getLIRGen().append(new AMD64BinaryConsumer.Op(op, size, left, left));
return;
} else if (NumUtil.is32bit(jc.asLong())) {
getLIRGen().append(new AMD64BinaryConsumer.ConstOp(CMP, size, left, (int) jc.asLong()));
return;
}
}
}
// fallback: load, then compare
getLIRGen().append(new AMD64BinaryConsumer.Op(CMP.getRMOpcode(size), size, left, getLIRGen().asAllocatable(right)));
}