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package com.oracle.truffle.llvm.nodes.cast;
import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.interop.ForeignAccess;
import com.oracle.truffle.api.interop.Message;
import com.oracle.truffle.api.interop.TruffleObject;
import com.oracle.truffle.api.interop.UnsupportedMessageException;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.llvm.runtime.LLVMAddress;
import com.oracle.truffle.llvm.runtime.LLVMBoxedPrimitive;
import com.oracle.truffle.llvm.runtime.LLVMFunctionDescriptor;
import com.oracle.truffle.llvm.runtime.LLVMFunctionHandle;
import com.oracle.truffle.llvm.runtime.LLVMIVarBit;
import com.oracle.truffle.llvm.runtime.LLVMTruffleObject;
import com.oracle.truffle.llvm.runtime.floating.LLVM80BitFloat;
import com.oracle.truffle.llvm.runtime.global.LLVMGlobalVariable;
import com.oracle.truffle.llvm.runtime.interop.ToLLVMNode;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
import com.oracle.truffle.llvm.runtime.vector.LLVMFloatVector;
@NodeChild(value = "fromNode", type = LLVMExpressionNode.class)
public abstract class LLVMToI64Node extends LLVMExpressionNode {
@Specialization
public long executeI64(LLVMFunctionDescriptor from) {
return from.getFunctionPointer();
}
@Specialization
public long executeI64(LLVMFunctionHandle from) {
return from.getFunctionPointer();
}
@Specialization
public long executeLLVMAddress(LLVMGlobalVariable from) {
return from.getNativeLocation().getVal();
}
@Specialization
public long executeLLVMTruffleObject(LLVMTruffleObject from) {
return (executeTruffleObject(from.getObject()) + from.getOffset());
}
@Child private Node isNull = Message.IS_NULL.createNode();
@Child private Node isBoxed = Message.IS_BOXED.createNode();
@Child private Node asPointer = Message.AS_POINTER.createNode();
@Child private Node toNative = Message.TO_NATIVE.createNode();
@Child private Node unbox = Message.UNBOX.createNode();
@Child private ToLLVMNode convert = ToLLVMNode.createNode(long.class);
@Specialization(guards = "notLLVM(from)")
public long executeTruffleObject(TruffleObject from) {
try {
if (ForeignAccess.sendIsNull(isNull, from)) {
return 0;
} else if (ForeignAccess.sendIsBoxed(isBoxed, from)) {
return (long) convert.executeWithTarget(ForeignAccess.sendUnbox(unbox, from));
} else {
TruffleObject n = (TruffleObject) ForeignAccess.sendToNative(toNative, from);
return ForeignAccess.sendAsPointer(asPointer, n);
}
} catch (UnsupportedMessageException e) {
CompilerDirectives.transferToInterpreter();
throw new IllegalStateException(e);
}
}
@Specialization
public long executeLLVMBoxedPrimitive(LLVMBoxedPrimitive from) {
return (long) convert.executeWithTarget(from.getValue());
}
public abstract static class LLVMToI64NoZeroExtNode extends LLVMToI64Node {
@Specialization
public long executeI64(boolean from) {
return from ? -1 : 0;
}
@Specialization
public long executeI64(byte from) {
return from;
}
@Specialization
public long executeI64(short from) {
return from;
}
@Specialization
public long executeI64(int from) {
return from;
}
@Specialization
public long executeI64(long from) {
return from;
}
@Specialization
public long executeI64(LLVMIVarBit from) {
return from.getLongValue();
}
@Specialization
public long executeI64(float from) {
return (long) from;
}
@Specialization
public long executeI64(double from) {
return (long) from;
}
@Specialization
public long executeI64(LLVM80BitFloat from) {
return from.getLongValue();
}
@Specialization
public long executeI64(LLVMAddress from) {
return from.getVal();
}
@Specialization
public long executeI64(LLVMFloatVector from) {
float f1 = from.getValue(0);
float f2 = from.getValue(1);
long composedValue = (long) Float.floatToRawIntBits(f1) << Float.SIZE | Float.floatToRawIntBits(f2);
return composedValue;
}
}
public abstract static class LLVMToI64BitNode extends LLVMToI64Node {
@Specialization
public long executeI64(double from) {
return Double.doubleToRawLongBits(from);
}
@Specialization
public long executeI64(long from) {
return from;
}
}
public abstract static class LLVMToI64ZeroExtNode extends LLVMToI64Node {
@Specialization
public long executeI64(boolean from) {
return from ? 1 : 0;
}
@Specialization
public long executeI64(byte from) {
return from & LLVMExpressionNode.I8_MASK;
}
@Specialization
public long executeI64(short from) {
return from & LLVMExpressionNode.I16_MASK;
}
@Specialization
public long executeI64(int from) {
return from & LLVMExpressionNode.I32_MASK;
}
@Specialization
public long executeI64(LLVMIVarBit from) {
return from.getZeroExtendedLongValue();
}
@Specialization
public long executeI64(long from) {
return from;
}
}
public abstract static class LLVMToUnsignedI64Node extends LLVMToI32Node {
@Specialization
public long executeI64(double from) {
if (from >= Long.MAX_VALUE) {
return ((long) (Long.MAX_VALUE - from)) ^ 0x80000000_00000000L;
} else {
return (long) from;
}
}
@Specialization
public long executeI64(long from) {
return from;
}
}
}