SPARC (Graal OpenJDK Project Documentation)

java.lang.Object
- jdk.internal.jvmci.code.Architecture
- - jdk.internal.jvmci.sparc.SPARC

```
public class SPARC
extends Architecture
```
Represents the SPARC architecture.

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class SPARC.CPUFeature

Nested Classes
Modifier and Type	Class and Description
`static class`	`SPARC.CPUFeature`

Field Summary

Fields
Modifier and Type	Field and Description
`static Register[]`	`allRegisters`
`static Register.RegisterCategory`	`CPU`
`static Register[]`	`cpuRegisters`
`static Register`	`d0`
`static Register`	`d10`
`static Register`	`d12`
`static Register`	`d14`
`static Register`	`d16`
`static Register`	`d18`
`static Register`	`d2`
`static Register`	`d20`
`static Register`	`d22`
`static Register`	`d24`
`static Register`	`d26`
`static Register`	`d28`
`static Register`	`d30`
`static Register`	`d32`
`static Register`	`d34`
`static Register`	`d36`
`static Register`	`d38`
`static Register`	`d4`
`static Register`	`d40`
`static Register`	`d42`
`static Register`	`d44`
`static Register`	`d46`
`static Register`	`d48`
`static Register`	`d50`
`static Register`	`d52`
`static Register`	`d54`
`static Register`	`d56`
`static Register`	`d58`
`static Register`	`d6`
`static Register`	`d60`
`static Register`	`d62`
`static Register`	`d8`
`static Register`	`f0`
`static Register`	`f1`
`static Register`	`f10`
`static Register`	`f11`
`static Register`	`f12`
`static Register`	`f13`
`static Register`	`f14`
`static Register`	`f15`
`static Register`	`f16`
`static Register`	`f17`
`static Register`	`f18`
`static Register`	`f19`
`static Register`	`f2`
`static Register`	`f20`
`static Register`	`f21`
`static Register`	`f22`
`static Register`	`f23`
`static Register`	`f24`
`static Register`	`f25`
`static Register`	`f26`
`static Register`	`f27`
`static Register`	`f28`
`static Register`	`f29`
`static Register`	`f3`
`static Register`	`f30`
`static Register`	`f31`
`static Register`	`f4`
`static Register`	`f5`
`static Register`	`f6`
`static Register`	`f7`
`static Register`	`f8`
`static Register`	`f9`
`Set<SPARC.CPUFeature>`	`features`
`static int`	`FLOAT_REGISTER_COUNT` In fact there are 64 single floating point registers, 32 of them could be accessed.
`static Register`	`fp`
`static Register.RegisterCategory`	`FPUd`
`static Register[]`	`fpuRegisters`
`static Register.RegisterCategory`	`FPUs`
`static Register`	`g0`
`static Register`	`g1`
`static Register`	`g2`
`static Register`	`g3`
`static Register`	`g4`
`static Register`	`g5`
`static Register`	`g6`
`static Register`	`g7`
`static Register`	`i0`
`static Register`	`i1`
`static Register`	`i2`
`static Register`	`i3`
`static Register`	`i4`
`static Register`	`i5`
`static Register`	`i6`
`static Register`	`i7`
`static int`	`INSTRUCTION_SIZE`
`static Register`	`l0`
`static Register`	`l1`
`static Register`	`l2`
`static Register`	`l3`
`static Register`	`l4`
`static Register`	`l5`
`static Register`	`l6`
`static Register`	`l7`
`static int`	`MEMORY_ACCESS_ALIGN` Alignment for valid memory access.
`static Register`	`o0`
`static Register`	`o1`
`static Register`	`o2`
`static Register`	`o3`
`static Register`	`o4`
`static Register`	`o5`
`static Register`	`o6`
`static Register`	`o7`
`static Register`	`r0`
`static Register`	`r1`
`static Register`	`r10`
`static Register`	`r11`
`static Register`	`r12`
`static Register`	`r13`
`static Register`	`r14`
`static Register`	`r15`
`static Register`	`r16`
`static Register`	`r17`
`static Register`	`r18`
`static Register`	`r19`
`static Register`	`r2`
`static Register`	`r20`
`static Register`	`r21`
`static Register`	`r22`
`static Register`	`r23`
`static Register`	`r24`
`static Register`	`r25`
`static Register`	`r26`
`static Register`	`r27`
`static Register`	`r28`
`static Register`	`r29`
`static Register`	`r3`
`static Register`	`r30`
`static Register`	`r31`
`static Register`	`r4`
`static Register`	`r5`
`static Register`	`r6`
`static Register`	`r7`
`static Register`	`r8`
`static Register`	`r9`
`static int`	`REGISTER_SAFE_AREA_SIZE` Size to keep free for flushing the register-window to stack.
`static Register`	`sp`
`static int`	`STACK_BIAS` Stack bias for stack and frame pointer loads.

Constructor Summary

Constructors
Constructor and Description

SPARC(Set<SPARC.CPUFeature> features)

Constructors
Constructor and Description
`SPARC(Set<SPARC.CPUFeature> features)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`canStoreValue(Register.RegisterCategory category, PlatformKind lirKind)` Determine whether a kind can be stored in a register of a given category.
`static int`	`getDoubleEncoding(int reg)`
`Set<SPARC.CPUFeature>`	`getFeatures()`
`PlatformKind`	`getLargestStorableKind(Register.RegisterCategory category)` Return the largest kind that can be stored in a register of a given category.
`boolean`	`hasFeature(SPARC.CPUFeature feature)`
`static boolean`	`isCPURegister(Register... regs)`
`static boolean`	`isCPURegister(Register r)`
`static boolean`	`isDoubleFloatRegister(Register r)`
`static boolean`	`isGlobalRegister(Register r)`
`static boolean`	`isSingleFloatRegister(Register r)`
`static int`	`spillSlotSize(TargetDescription td, PlatformKind kind)`

Methods inherited from class jdk.internal.jvmci.code.Architecture
equals, getByteOrder, getMachineCodeCallDisplacementOffset, getName, getRegisterReferenceMapSize, getRegisters, getReturnAddressSize, getSizeInBytes, getWordSize, hashCode, requiredBarriers, supportsUnalignedMemoryAccess, toString

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

Field Detail

CPU

public static final Register.RegisterCategory CPU

r0
```
public static final Register r0
```

r1
```
public static final Register r1
```

r2
```
public static final Register r2
```

r3
```
public static final Register r3
```

r4
```
public static final Register r4
```

r5
```
public static final Register r5
```

r6
```
public static final Register r6
```

r7
```
public static final Register r7
```

r8
```
public static final Register r8
```

r9
```
public static final Register r9
```

r10
```
public static final Register r10
```

r11
```
public static final Register r11
```

r12
```
public static final Register r12
```

r13
```
public static final Register r13
```

r14
```
public static final Register r14
```

r15
```
public static final Register r15
```

r16
```
public static final Register r16
```

r17
```
public static final Register r17
```

r18
```
public static final Register r18
```

r19
```
public static final Register r19
```

r20
```
public static final Register r20
```

r21
```
public static final Register r21
```

r22
```
public static final Register r22
```

r23
```
public static final Register r23
```

r24
```
public static final Register r24
```

r25
```
public static final Register r25
```

r26
```
public static final Register r26
```

r27
```
public static final Register r27
```

r28
```
public static final Register r28
```

r29
```
public static final Register r29
```

r30
```
public static final Register r30
```

r31
```
public static final Register r31
```

g0
```
public static final Register g0
```

g1
```
public static final Register g1
```

g2
```
public static final Register g2
```

g3
```
public static final Register g3
```

g4
```
public static final Register g4
```

g5
```
public static final Register g5
```

g6
```
public static final Register g6
```

g7
```
public static final Register g7
```

o0
```
public static final Register o0
```

o1
```
public static final Register o1
```

o2
```
public static final Register o2
```

o3
```
public static final Register o3
```

o4
```
public static final Register o4
```

o5
```
public static final Register o5
```

o6
```
public static final Register o6
```

o7
```
public static final Register o7
```

l0
```
public static final Register l0
```

l1
```
public static final Register l1
```

l2
```
public static final Register l2
```

l3
```
public static final Register l3
```

l4
```
public static final Register l4
```

l5
```
public static final Register l5
```

l6
```
public static final Register l6
```

l7
```
public static final Register l7
```

i0
```
public static final Register i0
```

i1
```
public static final Register i1
```

i2
```
public static final Register i2
```

i3
```
public static final Register i3
```

i4
```
public static final Register i4
```

i5
```
public static final Register i5
```

i6
```
public static final Register i6
```

i7
```
public static final Register i7
```

sp
```
public static final Register sp
```

fp
```
public static final Register fp
```

cpuRegisters

public static final Register[] cpuRegisters

FPUs

public static final Register.RegisterCategory FPUs

FPUd

public static final Register.RegisterCategory FPUd

f0
```
public static final Register f0
```

f1
```
public static final Register f1
```

f2
```
public static final Register f2
```

f3
```
public static final Register f3
```

f4
```
public static final Register f4
```

f5
```
public static final Register f5
```

f6
```
public static final Register f6
```

f7
```
public static final Register f7
```

f8
```
public static final Register f8
```

f9
```
public static final Register f9
```

f10
```
public static final Register f10
```

f11
```
public static final Register f11
```

f12
```
public static final Register f12
```

f13
```
public static final Register f13
```

f14
```
public static final Register f14
```

f15
```
public static final Register f15
```

f16
```
public static final Register f16
```

f17
```
public static final Register f17
```

f18
```
public static final Register f18
```

f19
```
public static final Register f19
```

f20
```
public static final Register f20
```

f21
```
public static final Register f21
```

f22
```
public static final Register f22
```

f23
```
public static final Register f23
```

f24
```
public static final Register f24
```

f25
```
public static final Register f25
```

f26
```
public static final Register f26
```

f27
```
public static final Register f27
```

f28
```
public static final Register f28
```

f29
```
public static final Register f29
```

f30
```
public static final Register f30
```

f31
```
public static final Register f31
```

d0
```
public static final Register d0
```

d2
```
public static final Register d2
```

d4
```
public static final Register d4
```

d6
```
public static final Register d6
```

d8
```
public static final Register d8
```

d10
```
public static final Register d10
```

d12
```
public static final Register d12
```

d14
```
public static final Register d14
```

d16
```
public static final Register d16
```

d18
```
public static final Register d18
```

d20
```
public static final Register d20
```

d22
```
public static final Register d22
```

d24
```
public static final Register d24
```

d26
```
public static final Register d26
```

d28
```
public static final Register d28
```

d30
```
public static final Register d30
```

d32
```
public static final Register d32
```

d34
```
public static final Register d34
```

d36
```
public static final Register d36
```

d38
```
public static final Register d38
```

d40
```
public static final Register d40
```

d42
```
public static final Register d42
```

d44
```
public static final Register d44
```

d46
```
public static final Register d46
```

d48
```
public static final Register d48
```

d50
```
public static final Register d50
```

d52
```
public static final Register d52
```

d54
```
public static final Register d54
```

d56
```
public static final Register d56
```

d58
```
public static final Register d58
```

d60
```
public static final Register d60
```

d62
```
public static final Register d62
```

fpuRegisters

public static final Register[] fpuRegisters

allRegisters

public static final Register[] allRegisters

STACK_BIAS
```
public static final int STACK_BIAS
```
Stack bias for stack and frame pointer loads.

See Also:

Constant Field Values

FLOAT_REGISTER_COUNT
```
public static final int FLOAT_REGISTER_COUNT
```
In fact there are 64 single floating point registers, 32 of them could be accessed. TODO: Improve handling of these float registers

See Also:

Constant Field Values

MEMORY_ACCESS_ALIGN
```
public static final int MEMORY_ACCESS_ALIGN
```
Alignment for valid memory access.

See Also:

Constant Field Values

INSTRUCTION_SIZE
```
public static final int INSTRUCTION_SIZE
```
See Also:

Constant Field Values

REGISTER_SAFE_AREA_SIZE
```
public static final int REGISTER_SAFE_AREA_SIZE
```
Size to keep free for flushing the register-window to stack.

See Also:

Constant Field Values

features

public final Set<SPARC.CPUFeature> features

Constructor Detail

SPARC

public SPARC(Set<SPARC.CPUFeature> features)

Method Detail

canStoreValue
```
public boolean canStoreValue(Register.RegisterCategory category,
                             PlatformKind lirKind)
```
Description copied from class: Architecture

Determine whether a kind can be stored in a register of a given category.

Specified by:

canStoreValue in class Architecture

Parameters:

category - the category of the register

lirKind - the kind that should be stored in the register

getLargestStorableKind
```
public PlatformKind getLargestStorableKind(Register.RegisterCategory category)
```
Description copied from class: Architecture

Return the largest kind that can be stored in a register of a given category.

Specified by:

getLargestStorableKind in class Architecture

Parameters:

category - the category of the register

Returns:

the largest kind that can be stored in a register category

spillSlotSize

public static int spillSlotSize(TargetDescription td,
                                PlatformKind kind)

getDoubleEncoding

public static int getDoubleEncoding(int reg)

isCPURegister

public static boolean isCPURegister(Register r)

isCPURegister

public static boolean isCPURegister(Register... regs)

isGlobalRegister

public static boolean isGlobalRegister(Register r)

isSingleFloatRegister

public static boolean isSingleFloatRegister(Register r)

isDoubleFloatRegister

public static boolean isDoubleFloatRegister(Register r)

getFeatures

public Set<SPARC.CPUFeature> getFeatures()

hasFeature

public boolean hasFeature(SPARC.CPUFeature feature)

Class SPARC

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class jdk.internal.jvmci.code.Architecture

Methods inherited from class java.lang.Object

Field Detail

CPU

r0

r1

r2

r3

r4

r5

r6

r7

r8

r9

r10

r11

r12

r13

r14

r15

r16

r17

r18

r19

r20

r21

r22

r23

r24

r25

r26

r27

r28

r29

r30

r31

g0

g1

g2

g3

g4

g5

g6

g7

o0

o1

o2

o3

o4

o5

o6

o7

l0

l1

l2

l3

l4

l5

l6

l7

i0

i1

i2

i3

i4

i5

i6

i7

sp

fp

cpuRegisters

FPUs

FPUd

f0

f1