https://www.graalvm.org/ 
public class org.graalvm.compiler.hotspot.sparc.SPARCHotSpotRegisterAllocationConfig extends org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.graalvm.compiler.hotspot.sparc.SPARCHotSpotRegisterAllocationConfig
  super_class: org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig
{
  static final jdk.vm.ci.code.Register[] registerAllocationOrder;
    descriptor: [Ljdk/vm/ci/code/Register;
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 103
            bipush 63
            anewarray jdk.vm.ci.code.Register
            dup
            iconst_0
         1: .line 104
            getstatic jdk.vm.ci.sparc.SPARC.l0:Ljdk/vm/ci/code/Register;
            aastore
            dup
            iconst_1
            getstatic jdk.vm.ci.sparc.SPARC.l1:Ljdk/vm/ci/code/Register;
            aastore
            dup
            iconst_2
            getstatic jdk.vm.ci.sparc.SPARC.l2:Ljdk/vm/ci/code/Register;
            aastore
            dup
            iconst_3
            getstatic jdk.vm.ci.sparc.SPARC.l3:Ljdk/vm/ci/code/Register;
            aastore
            dup
            iconst_4
            getstatic jdk.vm.ci.sparc.SPARC.l4:Ljdk/vm/ci/code/Register;
            aastore
            dup
            iconst_5
            getstatic jdk.vm.ci.sparc.SPARC.l5:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 6
            getstatic jdk.vm.ci.sparc.SPARC.l6:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 7
            getstatic jdk.vm.ci.sparc.SPARC.l7:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 8
         2: .line 105
            getstatic jdk.vm.ci.sparc.SPARC.i0:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 9
            getstatic jdk.vm.ci.sparc.SPARC.i1:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 10
            getstatic jdk.vm.ci.sparc.SPARC.i2:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 11
            getstatic jdk.vm.ci.sparc.SPARC.i3:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 12
            getstatic jdk.vm.ci.sparc.SPARC.i4:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 13
            getstatic jdk.vm.ci.sparc.SPARC.i5:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 14
         3: .line 106
            getstatic jdk.vm.ci.sparc.SPARC.o0:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 15
            getstatic jdk.vm.ci.sparc.SPARC.o1:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 16
            getstatic jdk.vm.ci.sparc.SPARC.o2:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 17
            getstatic jdk.vm.ci.sparc.SPARC.o3:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 18
            getstatic jdk.vm.ci.sparc.SPARC.o4:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 19
            getstatic jdk.vm.ci.sparc.SPARC.o5:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 20
         4: .line 107
            getstatic jdk.vm.ci.sparc.SPARC.g1:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 21
            getstatic jdk.vm.ci.sparc.SPARC.g4:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 22
            getstatic jdk.vm.ci.sparc.SPARC.g5:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 23
         5: .line 109
            getstatic jdk.vm.ci.sparc.SPARC.f8:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 24
            getstatic jdk.vm.ci.sparc.SPARC.f9:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 25
            getstatic jdk.vm.ci.sparc.SPARC.f10:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 26
            getstatic jdk.vm.ci.sparc.SPARC.f11:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 27
            getstatic jdk.vm.ci.sparc.SPARC.f12:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 28
            getstatic jdk.vm.ci.sparc.SPARC.f13:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 29
            getstatic jdk.vm.ci.sparc.SPARC.f14:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 30
            getstatic jdk.vm.ci.sparc.SPARC.f15:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 31
         6: .line 110
            getstatic jdk.vm.ci.sparc.SPARC.f16:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 32
            getstatic jdk.vm.ci.sparc.SPARC.f17:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 33
            getstatic jdk.vm.ci.sparc.SPARC.f18:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 34
            getstatic jdk.vm.ci.sparc.SPARC.f19:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 35
            getstatic jdk.vm.ci.sparc.SPARC.f20:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 36
            getstatic jdk.vm.ci.sparc.SPARC.f21:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 37
            getstatic jdk.vm.ci.sparc.SPARC.f22:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 38
            getstatic jdk.vm.ci.sparc.SPARC.f23:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 39
         7: .line 111
            getstatic jdk.vm.ci.sparc.SPARC.f24:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 40
            getstatic jdk.vm.ci.sparc.SPARC.f25:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 41
            getstatic jdk.vm.ci.sparc.SPARC.f26:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 42
            getstatic jdk.vm.ci.sparc.SPARC.f27:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 43
            getstatic jdk.vm.ci.sparc.SPARC.f28:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 44
            getstatic jdk.vm.ci.sparc.SPARC.f29:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 45
            getstatic jdk.vm.ci.sparc.SPARC.f30:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 46
            getstatic jdk.vm.ci.sparc.SPARC.f31:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 47
         8: .line 112
            getstatic jdk.vm.ci.sparc.SPARC.d32:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 48
            getstatic jdk.vm.ci.sparc.SPARC.d34:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 49
            getstatic jdk.vm.ci.sparc.SPARC.d36:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 50
            getstatic jdk.vm.ci.sparc.SPARC.d38:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 51
            getstatic jdk.vm.ci.sparc.SPARC.d40:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 52
            getstatic jdk.vm.ci.sparc.SPARC.d42:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 53
            getstatic jdk.vm.ci.sparc.SPARC.d44:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 54
            getstatic jdk.vm.ci.sparc.SPARC.d46:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 55
         9: .line 113
            getstatic jdk.vm.ci.sparc.SPARC.d48:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 56
            getstatic jdk.vm.ci.sparc.SPARC.d50:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 57
            getstatic jdk.vm.ci.sparc.SPARC.d52:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 58
            getstatic jdk.vm.ci.sparc.SPARC.d54:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 59
            getstatic jdk.vm.ci.sparc.SPARC.d56:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 60
            getstatic jdk.vm.ci.sparc.SPARC.d58:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 61
            getstatic jdk.vm.ci.sparc.SPARC.d60:Ljdk/vm/ci/code/Register;
            aastore
            dup
            bipush 62
            getstatic jdk.vm.ci.sparc.SPARC.d62:Ljdk/vm/ci/code/Register;
            aastore
        10: .line 103
            putstatic org.graalvm.compiler.hotspot.sparc.SPARCHotSpotRegisterAllocationConfig.registerAllocationOrder:[Ljdk/vm/ci/code/Register;
        11: .line 114
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(jdk.vm.ci.code.RegisterConfig, java.lang.String[]);
    descriptor: (Ljdk/vm/ci/code/RegisterConfig;[Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.hotspot.sparc.SPARCHotSpotRegisterAllocationConfig this
        start local 1 // jdk.vm.ci.code.RegisterConfig registerConfig
        start local 2 // java.lang.String[] allocationRestrictedTo
         0: .line 118
            aload 0 /* this */
            aload 1 /* registerConfig */
            aload 2 /* allocationRestrictedTo */
            invokespecial org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig.<init>:(Ljdk/vm/ci/code/RegisterConfig;[Ljava/lang/String;)V
         1: .line 119
            return
        end local 2 // java.lang.String[] allocationRestrictedTo
        end local 1 // jdk.vm.ci.code.RegisterConfig registerConfig
        end local 0 // org.graalvm.compiler.hotspot.sparc.SPARCHotSpotRegisterAllocationConfig this
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0    2     0                    this  Lorg/graalvm/compiler/hotspot/sparc/SPARCHotSpotRegisterAllocationConfig;
            0    2     1          registerConfig  Ljdk/vm/ci/code/RegisterConfig;
            0    2     2  allocationRestrictedTo  [Ljava/lang/String;
    MethodParameters:
                        Name  Flags
      registerConfig          
      allocationRestrictedTo  

  protected jdk.vm.ci.code.RegisterArray initAllocatable(jdk.vm.ci.code.RegisterArray);
    descriptor: (Ljdk/vm/ci/code/RegisterArray;)Ljdk/vm/ci/code/RegisterArray;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=8, args_size=2
        start local 0 // org.graalvm.compiler.hotspot.sparc.SPARCHotSpotRegisterAllocationConfig this
        start local 1 // jdk.vm.ci.code.RegisterArray registers
         0: .line 123
            new java.util.BitSet
            dup
            aload 0 /* this */
            getfield org.graalvm.compiler.hotspot.sparc.SPARCHotSpotRegisterAllocationConfig.registerConfig:Ljdk/vm/ci/code/RegisterConfig;
            invokeinterface jdk.vm.ci.code.RegisterConfig.getAllocatableRegisters:()Ljdk/vm/ci/code/RegisterArray;
            invokevirtual jdk.vm.ci.code.RegisterArray.size:()I
            invokespecial java.util.BitSet.<init>:(I)V
            astore 2 /* regMap */
        start local 2 // java.util.BitSet regMap
         1: .line 124
            aload 1 /* registers */
            invokevirtual jdk.vm.ci.code.RegisterArray.iterator:()Ljava/util/Iterator;
            astore 4
            goto 4
      StackMap locals: org.graalvm.compiler.hotspot.sparc.SPARCHotSpotRegisterAllocationConfig jdk.vm.ci.code.RegisterArray java.util.BitSet top java.util.Iterator
      StackMap stack:
         2: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast jdk.vm.ci.code.Register
            astore 3 /* reg */
        start local 3 // jdk.vm.ci.code.Register reg
         3: .line 125
            aload 2 /* regMap */
            aload 3 /* reg */
            getfield jdk.vm.ci.code.Register.number:I
            invokevirtual java.util.BitSet.set:(I)V
        end local 3 // jdk.vm.ci.code.Register reg
         4: .line 124
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         5: .line 128
            new java.util.ArrayList
            dup
            aload 1 /* registers */
            invokevirtual jdk.vm.ci.code.RegisterArray.size:()I
            invokespecial java.util.ArrayList.<init>:(I)V
            astore 3 /* allocatableRegisters */
        start local 3 // java.util.ArrayList allocatableRegisters
         6: .line 129
            getstatic org.graalvm.compiler.hotspot.sparc.SPARCHotSpotRegisterAllocationConfig.registerAllocationOrder:[Ljdk/vm/ci/code/Register;
            dup
            astore 7
            arraylength
            istore 6
            iconst_0
            istore 5
            goto 11
      StackMap locals: org.graalvm.compiler.hotspot.sparc.SPARCHotSpotRegisterAllocationConfig jdk.vm.ci.code.RegisterArray java.util.BitSet java.util.ArrayList top int int jdk.vm.ci.code.Register[]
      StackMap stack:
         7: aload 7
            iload 5
            aaload
            astore 4 /* reg */
        start local 4 // jdk.vm.ci.code.Register reg
         8: .line 130
            aload 2 /* regMap */
            aload 4 /* reg */
            getfield jdk.vm.ci.code.Register.number:I
            invokevirtual java.util.BitSet.get:(I)Z
            ifeq 10
         9: .line 131
            aload 3 /* allocatableRegisters */
            aload 4 /* reg */
            invokevirtual java.util.ArrayList.add:(Ljava/lang/Object;)Z
            pop
        end local 4 // jdk.vm.ci.code.Register reg
        10: .line 129
      StackMap locals:
      StackMap stack:
            iinc 5 1
      StackMap locals:
      StackMap stack:
        11: iload 5
            iload 6
            if_icmplt 7
        12: .line 135
            aload 0 /* this */
            new jdk.vm.ci.code.RegisterArray
            dup
            aload 3 /* allocatableRegisters */
            invokespecial jdk.vm.ci.code.RegisterArray.<init>:(Ljava/util/Collection;)V
            invokespecial org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig.initAllocatable:(Ljdk/vm/ci/code/RegisterArray;)Ljdk/vm/ci/code/RegisterArray;
            areturn
        end local 3 // java.util.ArrayList allocatableRegisters
        end local 2 // java.util.BitSet regMap
        end local 1 // jdk.vm.ci.code.RegisterArray registers
        end local 0 // org.graalvm.compiler.hotspot.sparc.SPARCHotSpotRegisterAllocationConfig this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0   13     0                  this  Lorg/graalvm/compiler/hotspot/sparc/SPARCHotSpotRegisterAllocationConfig;
            0   13     1             registers  Ljdk/vm/ci/code/RegisterArray;
            1   13     2                regMap  Ljava/util/BitSet;
            3    4     3                   reg  Ljdk/vm/ci/code/Register;
            6   13     3  allocatableRegisters  Ljava/util/ArrayList<Ljdk/vm/ci/code/Register;>;
            8   10     4                   reg  Ljdk/vm/ci/code/Register;
    MethodParameters:
           Name  Flags
      registers  
}
SourceFile: "SPARCHotSpotRegisterAllocationConfig.java"