BURS_TreeNode (Jikes RVM API)

java.lang.Object
- org.jikesrvm.compilers.opt.lir2mir.AbstractBURS_TreeNode
- - org.jikesrvm.compilers.opt.lir2mir.ia32_32.BURS_TreeNode

```
public class BURS_TreeNode
extends AbstractBURS_TreeNode
```
An BURS_TreeNode is a node in a binary tree that is fed as input to BURS.
Machine-generated, do not edit! If you need to make changes to this file, edit BURS_TreeNode.template.

See Also:

BURS, BURS_STATE

Field Summary

Fields
Modifier and Type	Field and Description
`private char`	`cost_address`
`private char`	`cost_address1reg`
`private char`	`cost_address1scaledreg`
`private char`	`cost_any`
`private char`	`cost_bittest`
`private char`	`cost_boolcmp`
`private char`	`cost_cz`
`private char`	`cost_czr`
`private char`	`cost_double_load`
`private char`	`cost_float_load`
`private char`	`cost_load16`
`private char`	`cost_load16_32`
`private char`	`cost_load32`
`private char`	`cost_load64`
`private char`	`cost_load8`
`private char`	`cost_load8_16_32`
`private char`	`cost_r`
`private char`	`cost_riv`
`private char`	`cost_rlv`
`private char`	`cost_sload16`
`private char`	`cost_sload8`
`private char`	`cost_stm` remainder will be inserted by the BURS generator
`private char`	`cost_szp`
`private char`	`cost_szpr`
`private char`	`cost_uload16`
`private char`	`cost_uload8`
`private int`	`word0`
`private int`	`word1`
`private int`	`word2`

Fields inherited from class org.jikesrvm.compilers.opt.lir2mir.AbstractBURS_TreeNode
dg_node

Constructor Summary

Constructors
Constructor and Description

BURS_TreeNode(char opcode)
Constructor for leaf/auxiliary node.

BURS_TreeNode(DepGraphNode n)
Constructor for interior node.

Constructors
Constructor and Description
`BURS_TreeNode(char opcode)` Constructor for leaf/auxiliary node.
`BURS_TreeNode(DepGraphNode n)` Constructor for interior node.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`char`	`getCost(int goalNT)`
`void`	`initCost()`
`int`	`readPacked(int word, int shift, int mask)`
`int`	`rule(int goalNT)` Get the BURS rule number associated with this tree node for a given non-terminal
`void`	`setCost(int goalNT, char cost)`
`void`	`writePacked(int word, int mask, int shiftedValue)`

Methods inherited from class org.jikesrvm.compilers.opt.lir2mir.AbstractBURS_TreeNode
create, create, getChild1, getChild2, getInstruction, getInstructionString, getNonTerminal, getOpcode, isREGISTERNode, isSuperNodeRoot, isTreeRoot, numRegisters, setChild1, setChild2, setNonTerminal, setNumRegisters, setTreeRoot, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

cost_stm
```
private char cost_stm
```
remainder will be inserted by the BURS generator

cost_r
```
private char cost_r
```

cost_czr
```
private char cost_czr
```

cost_cz
```
private char cost_cz
```

cost_szpr
```
private char cost_szpr
```

cost_szp
```
private char cost_szp
```

cost_riv
```
private char cost_riv
```

cost_rlv
```
private char cost_rlv
```

cost_any
```
private char cost_any
```

cost_load32
```
private char cost_load32
```

cost_uload8
```
private char cost_uload8
```

cost_load8_16_32
```
private char cost_load8_16_32
```

cost_load16_32
```
private char cost_load16_32
```

cost_load16
```
private char cost_load16
```

cost_address
```
private char cost_address
```

cost_address1scaledreg
```
private char cost_address1scaledreg
```

cost_address1reg
```
private char cost_address1reg
```

cost_bittest
```
private char cost_bittest
```

cost_boolcmp
```
private char cost_boolcmp
```

cost_load8
```
private char cost_load8
```

cost_sload16
```
private char cost_sload16
```

cost_load64
```
private char cost_load64
```

cost_uload16
```
private char cost_uload16
```

cost_sload8
```
private char cost_sload8
```

cost_float_load
```
private char cost_float_load
```

cost_double_load
```
private char cost_double_load
```

word0
```
private int word0
```

word1
```
private int word1
```

word2
```
private int word2
```

Constructor Detail
- BURS_TreeNode
```
public BURS_TreeNode(DepGraphNode n)
```
  Constructor for interior node.
  
  Parameters:
  
  n - corresponding node from the dependence graph
- BURS_TreeNode
```
public BURS_TreeNode(char opcode)
```
  Constructor for leaf/auxiliary node.
  
  Parameters:
  
  opcode - the opcode to use for the node

Method Detail
- getCost
```
public final char getCost(int goalNT)
```
  Specified by:
  
  getCost in class AbstractBURS_TreeNode
- setCost
```
public final void setCost(int goalNT,
                          char cost)
```
  Specified by:
  
  setCost in class AbstractBURS_TreeNode
- initCost
```
public final void initCost()
```
  Specified by:
  
  initCost in class AbstractBURS_TreeNode
- writePacked
```
public final void writePacked(int word,
                              int mask,
                              int shiftedValue)
```
  Specified by:
  
  writePacked in class AbstractBURS_TreeNode
- readPacked
```
public final int readPacked(int word,
                            int shift,
                            int mask)
```
  Specified by:
  
  readPacked in class AbstractBURS_TreeNode
- rule
```
public final int rule(int goalNT)
```
  Get the BURS rule number associated with this tree node for a given non-terminal
  
  Specified by:
  
  rule in class AbstractBURS_TreeNode
  
  Parameters:
  
  goalNT - the non-terminal we want to know the rule for (e.g. stm_NT)
  
  Returns:
  
  the rule number

Class BURS_TreeNode

Field Summary

Fields inherited from class org.jikesrvm.compilers.opt.lir2mir.AbstractBURS_TreeNode

Constructor Summary

Method Summary

Methods inherited from class org.jikesrvm.compilers.opt.lir2mir.AbstractBURS_TreeNode

Methods inherited from class java.lang.Object

Field Detail

cost_stm

cost_r

cost_czr

cost_cz

cost_szpr

cost_szp

cost_riv

cost_rlv

cost_any

cost_load32

cost_uload8

cost_load8_16_32

cost_load16_32

cost_load16

cost_address

cost_address1scaledreg

cost_address1reg

cost_bittest

cost_boolcmp

cost_load8

cost_sload16

cost_load64

cost_uload16

cost_sload8

cost_float_load

cost_double_load

word0

word1

word2

Constructor Detail

BURS_TreeNode

BURS_TreeNode

Method Detail

getCost

setCost

initCost

writePacked

readPacked

rule