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package com.oracle.truffle.llvm.runtime.vector;
import com.oracle.truffle.api.CompilerDirectives.ValueType;
import com.oracle.truffle.llvm.runtime.LLVMAddress;
import com.oracle.truffle.llvm.runtime.memory.LLVMMemory;
import java.util.Arrays;
@ValueType
public final class LLVMI32Vector {
private static final int I32_SIZE = 4;
private final int[] vector;
public static LLVMI32Vector create(int[] vector) {
return new LLVMI32Vector(vector);
}
public static LLVMI32Vector readVectorFromMemory(LLVMAddress address, int size) {
int[] vector = new int[size];
long currentPtr = address.getVal();
for (int i = 0; i < size; i++) {
vector[i] = LLVMMemory.getI32(currentPtr);
currentPtr += I32_SIZE;
}
return create(vector);
}
public static void writeVectorToMemory(LLVMAddress address, LLVMI32Vector vector) {
long currentPtr = address.getVal();
for (int i = 0; i < vector.getLength(); i++) {
LLVMMemory.putI32(currentPtr, vector.getValue(i));
currentPtr += I32_SIZE;
}
}
private LLVMI32Vector(int[] vector) {
this.vector = vector;
}
// We do not want to use lambdas because of bad startup
private interface Operation {
int eval(int a, int b);
}
private static LLVMI32Vector doOperation(LLVMI32Vector lhs, LLVMI32Vector rhs, Operation op) {
int[] left = lhs.vector;
int[] right = rhs.vector;
// not sure if this assert is true for llvm ir in general
// this implementation however assumes it
assert left.length == right.length;
int[] result = new int[left.length];
for (int i = 0; i < left.length; i++) {
result[i] = op.eval(left[i], right[i]);
}
return create(result);
}
public LLVMI32Vector add(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return a + b;
}
});
}
public LLVMI32Vector mul(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return a * b;
}
});
}
public LLVMI32Vector sub(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return a - b;
}
});
}
public LLVMI32Vector div(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return a / b;
}
});
}
public LLVMI32Vector divUnsigned(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return Integer.divideUnsigned(a, b);
}
});
}
public LLVMI32Vector rem(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return a % b;
}
});
}
public LLVMI32Vector remUnsigned(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return Integer.remainderUnsigned(a, b);
}
});
}
public LLVMI32Vector and(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return a & b;
}
});
}
public LLVMI32Vector or(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return a | b;
}
});
}
public LLVMI32Vector leftShift(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return a << b;
}
});
}
public LLVMI32Vector logicalRightShift(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return a >>> b;
}
});
}
public LLVMI32Vector arithmeticRightShift(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return a >> b;
}
});
}
public LLVMI32Vector xor(LLVMI32Vector rightValue) {
return doOperation(this, rightValue, new Operation() {
@Override
public int eval(int a, int b) {
return a ^ b;
}
});
}
public int[] getValues() {
return vector;
}
public int getValue(int index) {
return vector[index];
}
public LLVMI32Vector insert(int element, int index) {
int[] copyOf = Arrays.copyOf(vector, vector.length);
copyOf[index] = element;
return create(copyOf);
}
public int getLength() {
return vector.length;
}
}