/* * 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 LowTableSwitch 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 LowTableSwitch extends OPT_InstructionFormat { /** * InstructionFormat identification method for LowTableSwitch. * @param i an instruction * @return <code>true</code> if the InstructionFormat of the argument * instruction is LowTableSwitch or <code>false</code> * if it is not. */ public static boolean conforms(OPT_Instruction i) { return conforms(i.operator); } /** * InstructionFormat identification method for LowTableSwitch. * @param o an instruction * @return <code>true</code> if the InstructionFormat of the argument * operator is LowTableSwitch or <code>false</code> * if it is not. */ public static boolean conforms(OPT_Operator o) { return o.format == LowTableSwitch_format; } /** * Get the operand called Index 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 Index */ public static OPT_RegisterOperand getIndex(OPT_Instruction i) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return (OPT_RegisterOperand) i.getOperand(0); } /** * Get the operand called Index 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 Index */ public static OPT_RegisterOperand getClearIndex(OPT_Instruction i) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return (OPT_RegisterOperand) i.getClearOperand(0); } /** * Set the operand called Index 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 Index the operand to store */ public static void setIndex(OPT_Instruction i, OPT_RegisterOperand Index) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); i.putOperand(0, Index); } /** * Return the index of the operand called Index * in the argument instruction. * @param i the instruction to access. * @return the index of the operand called Index * in the argument instruction */ public static int indexOfIndex(OPT_Instruction i) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return 0; } /** * Does the argument instruction have a non-null * operand named Index? * @param i the instruction to access. * @return <code>true</code> if the instruction has an non-null * operand named Index or <code>false</code> * if it does not. */ public static boolean hasIndex(OPT_Instruction i) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return i.getOperand(0) != null; } /** * Get the k'th operand called Target 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 * @param k the index of the operand * @return the k'th operand called Target */ public static OPT_BranchOperand getTarget(OPT_Instruction i, int k) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return (OPT_BranchOperand) i.getOperand(1+k*2+0); } /** * Get the k'th operand called Target 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 * @param k the index of the operand * @return the k'th operand called Target */ public static OPT_BranchOperand getClearTarget(OPT_Instruction i, int k) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return (OPT_BranchOperand) i.getClearOperand(1+k*2+0); } /** * Set the k'th operand called Target 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 setTarget(OPT_Instruction i, int k, OPT_BranchOperand o) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); i.putOperand(1+k*2+0, o); } /** * Return the index of the k'th operand called Target * in the argument instruction. * @param i the instruction to access. * @param k the index of the operand. * @return the index of the k'th operand called Target * in the argument instruction */ public static int indexOfTarget(OPT_Instruction i, int k) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return 1+k*2+0; } /** * Does the argument instruction have a non-null * k'th operand named Target? * @param i the instruction to access. * @param k the index of the operand. * @return <code>true</code> if the instruction has an non-null * k'th operand named Target or <code>false</code> * if it does not. */ public static boolean hasTarget(OPT_Instruction i, int k) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return i.getOperand(1+k*2+0) != null; } /** * Return the index of the first operand called Target * in the argument instruction. * @param i the instruction to access. * @return the index of the first operand called Target * in the argument instruction */ public static int indexOfTargets(OPT_Instruction i) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return 1; } /** * Does the argument instruction have any operands * named Target? * @param i the instruction to access. * @return <code>true</code> if the instruction has operands * named Target or <code>false</code> if it does not. */ public static boolean hasTargets(OPT_Instruction i) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return i.getNumberOfOperands()-1 > 0 && i.getOperand(1) != null; } /** * How many variable-length operands called Targets * does the argument instruction have? * @param i the instruction to access * @return the number of operands called Targets the instruction has */ public static int getNumberOfTargets(OPT_Instruction i) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return (i.getNumberOfOperands()-1)/2; } /** * Change the number of Targets 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 Targets * that may be stored in the instruction */ public static void resizeNumberOfTargets(OPT_Instruction i, int numVarOps) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); if (1+numVarOps*2>MIN_OPERAND_ARRAY_LENGTH) i.resizeNumberOfOperands(1+numVarOps*2); else for (int j = 1+numVarOps*2; j < MIN_OPERAND_ARRAY_LENGTH; j++) i.putOperand(j, null); } /** * Get the k'th operand called BranchProfile 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 * @param k the index of the operand * @return the k'th operand called BranchProfile */ public static OPT_BranchProfileOperand getBranchProfile(OPT_Instruction i, int k) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return (OPT_BranchProfileOperand) i.getOperand(1+k*2+1); } /** * Get the k'th operand called BranchProfile 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 * @param k the index of the operand * @return the k'th operand called BranchProfile */ public static OPT_BranchProfileOperand getClearBranchProfile(OPT_Instruction i, int k) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return (OPT_BranchProfileOperand) i.getClearOperand(1+k*2+1); } /** * Set the k'th operand called BranchProfile 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 setBranchProfile(OPT_Instruction i, int k, OPT_BranchProfileOperand o) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); i.putOperand(1+k*2+1, o); } /** * Return the index of the k'th operand called BranchProfile * in the argument instruction. * @param i the instruction to access. * @param k the index of the operand. * @return the index of the k'th operand called BranchProfile * in the argument instruction */ public static int indexOfBranchProfile(OPT_Instruction i, int k) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return 1+k*2+1; } /** * Does the argument instruction have a non-null * k'th operand named BranchProfile? * @param i the instruction to access. * @param k the index of the operand. * @return <code>true</code> if the instruction has an non-null * k'th operand named BranchProfile or <code>false</code> * if it does not. */ public static boolean hasBranchProfile(OPT_Instruction i, int k) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return i.getOperand(1+k*2+1) != null; } /** * Return the index of the first operand called BranchProfile * in the argument instruction. * @param i the instruction to access. * @return the index of the first operand called BranchProfile * in the argument instruction */ public static int indexOfBranchProfiles(OPT_Instruction i) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return 2; } /** * Does the argument instruction have any operands * named BranchProfile? * @param i the instruction to access. * @return <code>true</code> if the instruction has operands * named BranchProfile or <code>false</code> if it does not. */ public static boolean hasBranchProfiles(OPT_Instruction i) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return i.getNumberOfOperands()-2 > 0 && i.getOperand(2) != null; } /** * How many variable-length operands called BranchProfiles * does the argument instruction have? * @param i the instruction to access * @return the number of operands called BranchProfiles the instruction has */ public static int getNumberOfBranchProfiles(OPT_Instruction i) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); return (i.getNumberOfOperands()-1)/2; } /** * Change the number of BranchProfiles 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 BranchProfiles * that may be stored in the instruction */ public static void resizeNumberOfBranchProfiles(OPT_Instruction i, int numVarOps) { if (VM_Configuration.ExtremeAssertions && !conforms(i)) fail(i, "LowTableSwitch"); if (1+numVarOps*2>MIN_OPERAND_ARRAY_LENGTH) i.resizeNumberOfOperands(1+numVarOps*2); else for (int j = 1+numVarOps*2; j < MIN_OPERAND_ARRAY_LENGTH; j++) i.putOperand(j, null); } /** * Create an instruction of the LowTableSwitch instruction format. * @param o the instruction's operator * @param Index the instruction's Index operand * @param numVarOps the number of variable length operands that * will be stored in the insruction. * @return the newly created LowTableSwitch instruction */ public static OPT_Instruction create(OPT_Operator o , OPT_RegisterOperand Index , int numVarOps ) { if (VM_Configuration.ExtremeAssertions && !conforms(o)) fail(o, "LowTableSwitch"); OPT_Instruction i = new OPT_Instruction(o, Math.max(1+numVarOps*2, MIN_OPERAND_ARRAY_LENGTH)); i.putOperand(0, Index); return i; } /** * Mutate the argument instruction into an instruction of the * LowTableSwitch instruction format having the specified * operator and operands. * @param i the instruction to mutate * @param o the instruction's operator * @param Index the instruction's Index 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 Index , int numVarOps ) { if (VM_Configuration.ExtremeAssertions && !conforms(o)) fail(o, "LowTableSwitch"); if (1+numVarOps*2>MIN_OPERAND_ARRAY_LENGTH) i.resizeNumberOfOperands(1+numVarOps*2); i.operator = o; i.putOperand(0, Index); return i; } }