/*
* THIS FILE IS MACHINE_GENERATED. DO NOT EDIT.
* See InstructionFormats.template, InstructionFormatList.dat,
* OperatorList.dat, etc.
*/
package org.jikesrvm.compilers.opt.ir;
import org.jikesrvm.VM_Configuration;
import org.jikesrvm.compilers.opt.ir.ia32.OPT_IA32ConditionOperand; //NOPMD
/**
* The ZeroCheck InstructionFormat class.
*
* The header comment for {@link OPT_Instruction} contains
* an explanation of the role of InstructionFormats in the
* opt compiler's IR.
*/
@SuppressWarnings("unused") // Machine generated code is never 100% clean
public final class ZeroCheck extends OPT_InstructionFormat {
/**
* InstructionFormat identification method for ZeroCheck.
* @param i an instruction
* @return <code>true</code> if the InstructionFormat of the argument
* instruction is ZeroCheck or <code>false</code>
* if it is not.
*/
public static boolean conforms(OPT_Instruction i) {
return conforms(i.operator);
}
/**
* InstructionFormat identification method for ZeroCheck.
* @param o an instruction
* @return <code>true</code> if the InstructionFormat of the argument
* operator is ZeroCheck or <code>false</code>
* if it is not.
*/
public static boolean conforms(OPT_Operator o) {
return o.format == ZeroCheck_format;
}
/**
* Get the operand called GuardResult from the
* argument instruction. Note that the returned operand
* will still point to its containing instruction.
* @param i the instruction to fetch the operand from
* @return the operand called GuardResult
*/
public static OPT_RegisterOperand getGuardResult(OPT_Instruction i) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "ZeroCheck");
return (OPT_RegisterOperand) i.getOperand(0);
}
/**
* Get the operand called GuardResult from the argument
* instruction clearing its instruction pointer. The returned
* operand will not point to any containing instruction.
* @param i the instruction to fetch the operand from
* @return the operand called GuardResult
*/
public static OPT_RegisterOperand getClearGuardResult(OPT_Instruction i) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "ZeroCheck");
return (OPT_RegisterOperand) i.getClearOperand(0);
}
/**
* Set the operand called GuardResult 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 GuardResult the operand to store
*/
public static void setGuardResult(OPT_Instruction i, OPT_RegisterOperand GuardResult) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "ZeroCheck");
i.putOperand(0, GuardResult);
}
/**
* Return the index of the operand called GuardResult
* in the argument instruction.
* @param i the instruction to access.
* @return the index of the operand called GuardResult
* in the argument instruction
*/
public static int indexOfGuardResult(OPT_Instruction i) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "ZeroCheck");
return 0;
}
/**
* Does the argument instruction have a non-null
* operand named GuardResult?
* @param i the instruction to access.
* @return <code>true</code> if the instruction has an non-null
* operand named GuardResult or <code>false</code>
* if it does not.
*/
public static boolean hasGuardResult(OPT_Instruction i) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "ZeroCheck");
return i.getOperand(0) != null;
}
/**
* Get the operand called Value from the
* argument instruction. Note that the returned operand
* will still point to its containing instruction.
* @param i the instruction to fetch the operand from
* @return the operand called Value
*/
public static OPT_Operand getValue(OPT_Instruction i) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "ZeroCheck");
return (OPT_Operand) i.getOperand(1);
}
/**
* Get the operand called Value from the argument
* instruction clearing its instruction pointer. The returned
* operand will not point to any containing instruction.
* @param i the instruction to fetch the operand from
* @return the operand called Value
*/
public static OPT_Operand getClearValue(OPT_Instruction i) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "ZeroCheck");
return (OPT_Operand) i.getClearOperand(1);
}
/**
* Set the operand called Value 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 Value the operand to store
*/
public static void setValue(OPT_Instruction i, OPT_Operand Value) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "ZeroCheck");
i.putOperand(1, Value);
}
/**
* Return the index of the operand called Value
* in the argument instruction.
* @param i the instruction to access.
* @return the index of the operand called Value
* in the argument instruction
*/
public static int indexOfValue(OPT_Instruction i) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "ZeroCheck");
return 1;
}
/**
* Does the argument instruction have a non-null
* operand named Value?
* @param i the instruction to access.
* @return <code>true</code> if the instruction has an non-null
* operand named Value or <code>false</code>
* if it does not.
*/
public static boolean hasValue(OPT_Instruction i) {
if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "ZeroCheck");
return i.getOperand(1) != null;
}
/**
* Create an instruction of the ZeroCheck instruction format.
* @param o the instruction's operator
* @param GuardResult the instruction's GuardResult operand
* @param Value the instruction's Value operand
* @return the newly created ZeroCheck instruction
*/
public static OPT_Instruction create(OPT_Operator o
, OPT_RegisterOperand GuardResult
, OPT_Operand Value
)
{
if (VM_Configuration.ExtremeAssertions && !conforms(o)) fail(o, "ZeroCheck");
OPT_Instruction i = new OPT_Instruction(o, 5);
i.putOperand(0, GuardResult);
i.putOperand(1, Value);
return i;
}
/**
* Mutate the argument instruction into an instruction of the
* ZeroCheck instruction format having the specified
* operator and operands.
* @param i the instruction to mutate
* @param o the instruction's operator
* @param GuardResult the instruction's GuardResult operand
* @param Value the instruction's Value operand
* @return the mutated instruction
*/
public static OPT_Instruction mutate(OPT_Instruction i, OPT_Operator o
, OPT_RegisterOperand GuardResult
, OPT_Operand Value
)
{
if (VM_Configuration.ExtremeAssertions && !conforms(o)) fail(o, "ZeroCheck");
i.operator = o;
i.putOperand(0, GuardResult);
i.putOperand(1, Value);
return i;
}
}