com.oracle.graal.lir.sparc

Class SPARCArrayEqualsOp

java.lang.Object

com.oracle.graal.lir.LIRInstruction

com.oracle.graal.lir.sparc.SPARCLIRInstruction

com.oracle.graal.lir.sparc.SPARCArrayEqualsOp

public final class SPARCArrayEqualsOp
extends SPARCLIRInstruction

Emits code which compares two arrays of the same length.

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.graal.lir.sparc.SPARCLIRInstruction

SPARCLIRInstruction.SizeEstimate

Nested classes/interfaces inherited from class com.oracle.graal.lir.LIRInstruction

LIRInstruction.Alive, LIRInstruction.Def, LIRInstruction.OperandFlag, LIRInstruction.OperandMode, LIRInstruction.State, LIRInstruction.Temp, LIRInstruction.Use

Field Summary

Fields

Modifier and Type	Field and Description
protected Value	array1Value
protected Value	array2Value
private int	arrayBaseOffset
private int	arrayIndexScale
private Kind	kind
protected Value	lengthValue
protected Value	resultValue
static SPARCLIRInstruction.SizeEstimate	SIZE
protected Value	temp1
protected Value	temp2
protected Value	temp3
protected Value	temp4
protected Value	temp5
static LIRInstructionClass<SPARCArrayEqualsOp>	TYPE
private static int	VECTOR_SIZE Vector size used in emit8ByteCompare(com.oracle.graal.asm.sparc.SPARCMacroAssembler, jdk.internal.jvmci.code.Register, jdk.internal.jvmci.code.Register, jdk.internal.jvmci.code.Register, jdk.internal.jvmci.code.Register, com.oracle.graal.asm.Label, com.oracle.graal.asm.Label).

Fields inherited from class com.oracle.graal.lir.sparc.SPARCLIRInstruction

delayedControlTransfer

Fields inherited from class com.oracle.graal.lir.LIRInstruction

ADDRESS_FLAGS, ALLOWED_FLAGS

Constructor Summary

Constructors

Constructor and Description
SPARCArrayEqualsOp(LIRGeneratorTool tool, Kind kind, Value result, Value array1, Value array2, Value length)

Method Summary

Modifier and Type	Method and Description
private void	emit8ByteCompare(SPARCMacroAssembler masm, Register result, Register array1, Register array2, Register length, Label trueLabel, Label falseLabel) Emits code that uses 8-byte vector compares.
void	emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm)
private void	emitTailCompares(SPARCMacroAssembler masm, Register result, Register array1, Register array2, Label trueLabel, Label falseLabel) Emits code to compare the remaining 1 to 4 bytes.

Methods inherited from class com.oracle.graal.lir.sparc.SPARCLIRInstruction

emitCode, estimateSize, leavesRegisterWindow, setDelayedControlTransfer

Methods inherited from class com.oracle.graal.lir.LIRInstruction

destroysCallerSavedRegisters, forEachAlive, forEachAlive, forEachInput, forEachInput, forEachOutput, forEachOutput, forEachRegisterHint, forEachRegisterHint, forEachState, forEachState, forEachState, forEachState, forEachTemp, forEachTemp, getLIRInstructionClass, hasOperands, hasState, id, name, setId, toString, toStringWithIdPrefix, verify, visitEachAlive, visitEachAlive, visitEachInput, visitEachInput, visitEachOutput, visitEachOutput, visitEachState, visitEachState, visitEachTemp, visitEachTemp

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

TYPE

public static final LIRInstructionClass<SPARCArrayEqualsOp> TYPE

SIZE

public static final SPARCLIRInstruction.SizeEstimate SIZE

kind

private final Kind kind

arrayBaseOffset

private final int arrayBaseOffset

arrayIndexScale

private final int arrayIndexScale

resultValue

protected Value resultValue

array1Value

protected Value array1Value

array2Value

protected Value array2Value

lengthValue

protected Value lengthValue

temp1

protected Value temp1

temp2

protected Value temp2

temp3

protected Value temp3

temp4

protected Value temp4

temp5

protected Value temp5

VECTOR_SIZE

private static final int VECTOR_SIZE

Vector size used in emit8ByteCompare(com.oracle.graal.asm.sparc.SPARCMacroAssembler, jdk.internal.jvmci.code.Register, jdk.internal.jvmci.code.Register, jdk.internal.jvmci.code.Register, jdk.internal.jvmci.code.Register, com.oracle.graal.asm.Label, com.oracle.graal.asm.Label).

See Also:

Constant Field Values

Constructor Detail

SPARCArrayEqualsOp

public SPARCArrayEqualsOp(LIRGeneratorTool tool,
                          Kind kind,
                          Value result,
                          Value array1,
                          Value array2,
                          Value length)

Method Detail

emitCode

public void emitCode(CompilationResultBuilder crb,
                     SPARCMacroAssembler masm)

Specified by:

emitCode in class SPARCLIRInstruction

emit8ByteCompare

private void emit8ByteCompare(SPARCMacroAssembler masm,
                              Register result,
                              Register array1,
                              Register array2,
                              Register length,
                              Label trueLabel,
                              Label falseLabel)

Emits code that uses 8-byte vector compares.

emitTailCompares

private void emitTailCompares(SPARCMacroAssembler masm,
                              Register result,
                              Register array1,
                              Register array2,
                              Label trueLabel,
                              Label falseLabel)

Emits code to compare the remaining 1 to 4 bytes.