public final class Form21t extends InsnFormat
21t. See the instruction format spec
for details.| Modifier and Type | Field and Description |
|---|---|
static InsnFormat |
THE_ONE
non-null; unique instance of this class |
ALLOW_EXTENDED_OPCODES| Modifier and Type | Method and Description |
|---|---|
boolean |
branchFits(TargetInsn insn)
Returns whether or not the given instruction's branch offset will
fit in this instance's format.
|
int |
codeSize()
Gets the code size of instructions that use this format.
|
BitSet |
compatibleRegs(DalvInsn insn)
Returns which of a given instruction's registers will fit in
this instance's format.
|
String |
insnArgString(DalvInsn insn)
Returns the string form of the arguments to the given instruction.
|
String |
insnCommentString(DalvInsn insn,
boolean noteIndices)
Returns the associated comment for the given instruction, if any.
|
boolean |
isCompatible(DalvInsn insn)
Returns whether or not the given instruction's arguments will
fit in this instance's format.
|
void |
writeTo(AnnotatedOutput out,
DalvInsn insn)
Writes the code units for the given instruction to the given
output destination.
|
argIndex, branchComment, branchString, codeUnit, codeUnit, cstComment, cstString, isRegListSequential, listingString, literalBitsComment, literalBitsString, makeByte, opcodeUnit, opcodeUnit, regListString, regRangeString, signedFitsInByte, signedFitsInNibble, signedFitsInShort, unsignedFitsInByte, unsignedFitsInNibble, unsignedFitsInShort, write, write, write, write, write, write, write, write, writepublic static final InsnFormat THE_ONE
non-null; unique instance of this classpublic String insnArgString(DalvInsn insn)
"", not
null.
Subclasses must override this method.
insnArgString in class InsnFormatinsn - non-null; the instructionnon-null; the string formpublic String insnCommentString(DalvInsn insn, boolean noteIndices)
"", not
null.
Subclasses must override this method.
insnCommentString in class InsnFormatinsn - non-null; the instructionnoteIndices - whether to include an explicit notation of
constant pool indicesnon-null; the string formpublic int codeSize()
codeSize in class InsnFormat>= 0; the instruction length in 16-bit code unitspublic boolean isCompatible(DalvInsn insn)
Subclasses must override this method.
isCompatible in class InsnFormatinsn - non-null; the instruction to checktrue iff the instruction's arguments are
appropriate for this instance, or false if notpublic BitSet compatibleRegs(DalvInsn insn)
The default implementation of this method always returns an empty BitSet. Subclasses must override this method if they have registers.
compatibleRegs in class InsnFormatinsn - non-null; the instruction to checknon-null; a BitSet flagging registers in the
register list that are compatible to this formatpublic boolean branchFits(TargetInsn insn)
false
for formats that don't include a branch offset.
The default implementation of this method always returns
false. Subclasses must override this method if they
include branch offsets.
branchFits in class InsnFormatinsn - non-null; the instruction to checktrue iff the instruction's branch offset is
appropriate for this instance, or false if notpublic void writeTo(AnnotatedOutput out, DalvInsn insn)
Subclasses must override this method.
writeTo in class InsnFormatout - non-null; the output destination to write toinsn - non-null; the instruction to writeCopyright © 2014. All Rights Reserved.