/**
* Create an instruction of the Multianewarray instruction format.
*
* @param o the instruction's operator
* @param Result the instruction's Result operand
* @param Type the instruction's Type operand
* @param numVarOps the number of variable length operands that will be stored in the insruction.
* @return the newly created Multianewarray instruction
*/
public static OPT_Instruction create(
OPT_Operator o, OPT_RegisterOperand Result, OPT_TypeOperand Type, int numVarOps) {
if (VM_Configuration.ExtremeAssertions && !conforms(o)) fail(o, "Multianewarray");
OPT_Instruction i = new OPT_Instruction(o, Math.max(2 + numVarOps, MIN_OPERAND_ARRAY_LENGTH));
i.putOperand(0, Result);
i.putOperand(1, Type);
return i;
}
/**
* Mutate the argument instruction into an instruction of the Multianewarray instruction format
* having the specified operator and operands.
*
* @param i the instruction to mutate
* @param o the instruction's operator
* @param Result the instruction's Result operand
* @param Type the instruction's Type operand
* @param numVarOps the number of variable length operands that will be stored in the insruction.
* @return the mutated instruction
*/
public static OPT_Instruction mutate(
OPT_Instruction i,
OPT_Operator o,
OPT_RegisterOperand Result,
OPT_TypeOperand Type,
int numVarOps) {
if (VM_Configuration.ExtremeAssertions && !conforms(o)) fail(o, "Multianewarray");
if (2 + numVarOps > MIN_OPERAND_ARRAY_LENGTH) i.resizeNumberOfOperands(2 + numVarOps);
i.operator = o;
i.putOperand(0, Result);
i.putOperand(1, Type);
return i;
}
/**
* Set the operand called Result in the argument instruction to the argument operand. The operand
* will now point to the argument instruction as its containing instruction.
*
* @param i the instruction in which to store the operand
* @param Result the operand to store
*/
public static void setResult(OPT_Instruction i, OPT_RegisterOperand Result) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "Multianewarray");
i.putOperand(0, Result);
}
/**
* Change the number of Dimensions that may be stored in the argument instruction to numVarOps.
*
* @param i the instruction to access
* @param numVarOps the new number of variable operands called Dimensions that may be stored in
* the instruction
*/
public static void resizeNumberOfDimensions(OPT_Instruction i, int numVarOps) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "Multianewarray");
if (2 + numVarOps > MIN_OPERAND_ARRAY_LENGTH) i.resizeNumberOfOperands(2 + numVarOps);
else for (int j = 2 + numVarOps; j < MIN_OPERAND_ARRAY_LENGTH; j++) i.putOperand(j, null);
}
/**
* Set the k'th operand called Dimension in the argument instruction to the argument operand. The
* operand will now point to the argument instruction as its containing instruction.
*
* @param i the instruction in which to store the operand
* @param k the index of the operand
* @param o the operand to store
*/
public static void setDimension(OPT_Instruction i, int k, OPT_Operand o) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "Multianewarray");
i.putOperand(2 + k, o);
}
/**
* Set the operand called Type in the argument instruction to the argument operand. The operand
* will now point to the argument instruction as its containing instruction.
*
* @param i the instruction in which to store the operand
* @param Type the operand to store
*/
public static void setType(OPT_Instruction i, OPT_TypeOperand Type) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "Multianewarray");
i.putOperand(1, Type);
}
