https://www.graalvm.org/ 
public class org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp extends org.graalvm.compiler.lir.StandardOp$SaveRegistersOp implements org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp
  super_class: org.graalvm.compiler.lir.StandardOp$SaveRegistersOp
{
  public static final org.graalvm.compiler.lir.LIRInstructionClass<org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp> TYPE;
    descriptor: Lorg/graalvm/compiler/lir/LIRInstructionClass;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    Signature: Lorg/graalvm/compiler/lir/LIRInstructionClass<Lorg/graalvm/compiler/lir/sparc/SPARCSaveRegistersOp;>;

  public static final jdk.vm.ci.code.Register RETURN_REGISTER_STORAGE;
    descriptor: Ljdk/vm/ci/code/Register;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin$SizeEstimate SIZE;
    descriptor: Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SizeEstimate;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  private final org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin$SPARCLIRInstructionMixinStore store;
    descriptor: Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SPARCLIRInstructionMixinStore;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 49
            ldc Lorg/graalvm/compiler/lir/sparc/SPARCSaveRegistersOp;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.$assertionsDisabled:Z
         3: .line 50
            ldc Lorg/graalvm/compiler/lir/sparc/SPARCSaveRegistersOp;
            invokestatic org.graalvm.compiler.lir.LIRInstructionClass.create:(Ljava/lang/Class;)Lorg/graalvm/compiler/lir/LIRInstructionClass;
            putstatic org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.TYPE:Lorg/graalvm/compiler/lir/LIRInstructionClass;
         4: .line 51
            getstatic jdk.vm.ci.sparc.SPARC.d62:Ljdk/vm/ci/code/Register;
            putstatic org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.RETURN_REGISTER_STORAGE:Ljdk/vm/ci/code/Register;
         5: .line 52
            bipush 32
            invokestatic org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin$SizeEstimate.create:(I)Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SizeEstimate;
            putstatic org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.SIZE:Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SizeEstimate;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(jdk.vm.ci.code.Register[], jdk.vm.ci.meta.AllocatableValue[]);
    descriptor: ([Ljdk/vm/ci/code/Register;[Ljdk/vm/ci/meta/AllocatableValue;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp this
        start local 1 // jdk.vm.ci.code.Register[] savedRegisters
        start local 2 // jdk.vm.ci.meta.AllocatableValue[] savedRegisterLocations
         0: .line 62
            aload 0 /* this */
            getstatic org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.TYPE:Lorg/graalvm/compiler/lir/LIRInstructionClass;
            aload 1 /* savedRegisters */
            aload 2 /* savedRegisterLocations */
            invokespecial org.graalvm.compiler.lir.StandardOp$SaveRegistersOp.<init>:(Lorg/graalvm/compiler/lir/LIRInstructionClass;[Ljdk/vm/ci/code/Register;[Ljdk/vm/ci/meta/AllocatableValue;)V
         1: .line 63
            aload 0 /* this */
            new org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin$SPARCLIRInstructionMixinStore
            dup
            getstatic org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.SIZE:Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SizeEstimate;
            invokespecial org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin$SPARCLIRInstructionMixinStore.<init>:(Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SizeEstimate;)V
            putfield org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.store:Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SPARCLIRInstructionMixinStore;
         2: .line 64
            return
        end local 2 // jdk.vm.ci.meta.AllocatableValue[] savedRegisterLocations
        end local 1 // jdk.vm.ci.code.Register[] savedRegisters
        end local 0 // org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp this
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0    3     0                    this  Lorg/graalvm/compiler/lir/sparc/SPARCSaveRegistersOp;
            0    3     1          savedRegisters  [Ljdk/vm/ci/code/Register;
            0    3     2  savedRegisterLocations  [Ljdk/vm/ci/meta/AllocatableValue;
    MethodParameters:
                        Name  Flags
      savedRegisters          
      savedRegisterLocations  

  public void emitCode(org.graalvm.compiler.lir.asm.CompilationResultBuilder);
    descriptor: (Lorg/graalvm/compiler/lir/asm/CompilationResultBuilder;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=9, args_size=2
        start local 0 // org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp this
        start local 1 // org.graalvm.compiler.lir.asm.CompilationResultBuilder crb
         0: .line 68
            aload 1 /* crb */
            getfield org.graalvm.compiler.lir.asm.CompilationResultBuilder.asm:Lorg/graalvm/compiler/asm/Assembler;
            checkcast org.graalvm.compiler.asm.sparc.SPARCMacroAssembler
            astore 2 /* masm */
        start local 2 // org.graalvm.compiler.asm.sparc.SPARCMacroAssembler masm
         1: .line 73
            aload 1 /* crb */
            aload 0 /* this */
            getfield org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.slots:[Ljdk/vm/ci/meta/AllocatableValue;
            iconst_0
            aaload
            invokevirtual org.graalvm.compiler.lir.asm.CompilationResultBuilder.asAddress:(Ljdk/vm/ci/meta/Value;)Lorg/graalvm/compiler/asm/AbstractAddress;
            checkcast org.graalvm.compiler.asm.sparc.SPARCAddress
            astore 3 /* slot0Address */
        start local 3 // org.graalvm.compiler.asm.sparc.SPARCAddress slot0Address
         2: .line 74
            aload 2 /* masm */
            getstatic jdk.vm.ci.sparc.SPARC.i0:Ljdk/vm/ci/code/Register;
            aload 3 /* slot0Address */
            invokevirtual org.graalvm.compiler.asm.sparc.SPARCMacroAssembler.stx:(Ljdk/vm/ci/code/Register;Lorg/graalvm/compiler/asm/sparc/SPARCAddress;)V
         3: .line 75
            aload 2 /* masm */
            aload 3 /* slot0Address */
            getstatic org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.RETURN_REGISTER_STORAGE:Ljdk/vm/ci/code/Register;
            invokevirtual org.graalvm.compiler.asm.sparc.SPARCMacroAssembler.lddf:(Lorg/graalvm/compiler/asm/sparc/SPARCAddress;Ljdk/vm/ci/code/Register;)V
         4: .line 78
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         5: goto 14
         6: .line 79
      StackMap locals: org.graalvm.compiler.asm.sparc.SPARCMacroAssembler org.graalvm.compiler.asm.sparc.SPARCAddress int
      StackMap stack:
            aload 0 /* this */
            getfield org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.savedRegisters:[Ljdk/vm/ci/code/Register;
            iload 4 /* i */
            aaload
            ifnull 13
         7: .line 80
            getstatic org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.$assertionsDisabled:Z
            ifne 8
            aload 0 /* this */
            getfield org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.slots:[Ljdk/vm/ci/meta/AllocatableValue;
            iload 4 /* i */
            aaload
            invokestatic jdk.vm.ci.code.ValueUtil.isStackSlot:(Ljdk/vm/ci/meta/Value;)Z
            ifne 8
            new java.lang.AssertionError
            dup
            new java.lang.StringBuilder
            dup
            ldc "not a StackSlot: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.slots:[Ljdk/vm/ci/meta/AllocatableValue;
            iload 4 /* i */
            aaload
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         8: .line 81
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.savedRegisters:[Ljdk/vm/ci/code/Register;
            iload 4 /* i */
            aaload
            astore 5 /* savedRegister */
        start local 5 // jdk.vm.ci.code.Register savedRegister
         9: .line 82
            aload 0 /* this */
            getfield org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.slots:[Ljdk/vm/ci/meta/AllocatableValue;
            iload 4 /* i */
            aaload
            invokestatic jdk.vm.ci.code.ValueUtil.asStackSlot:(Ljdk/vm/ci/meta/Value;)Ljdk/vm/ci/code/StackSlot;
            astore 6 /* slot */
        start local 6 // jdk.vm.ci.code.StackSlot slot
        10: .line 83
            aload 1 /* crb */
            aload 6 /* slot */
            invokevirtual org.graalvm.compiler.lir.asm.CompilationResultBuilder.asAddress:(Ljdk/vm/ci/meta/Value;)Lorg/graalvm/compiler/asm/AbstractAddress;
            checkcast org.graalvm.compiler.asm.sparc.SPARCAddress
            astore 7 /* slotAddress */
        start local 7 // org.graalvm.compiler.asm.sparc.SPARCAddress slotAddress
        11: .line 84
            aload 5 /* savedRegister */
            aload 6 /* slot */
            invokevirtual jdk.vm.ci.code.StackSlot.getValueKind:()Ljdk/vm/ci/meta/ValueKind;
            invokevirtual jdk.vm.ci.code.Register.asValue:(Ljdk/vm/ci/meta/ValueKind;)Ljdk/vm/ci/code/RegisterValue;
            astore 8 /* input */
        start local 8 // jdk.vm.ci.code.RegisterValue input
        12: .line 85
            aload 8 /* input */
            aload 7 /* slotAddress */
            aload 6 /* slot */
            invokevirtual jdk.vm.ci.code.StackSlot.getPlatformKind:()Ljdk/vm/ci/meta/PlatformKind;
            getstatic org.graalvm.compiler.lir.sparc.SPARCDelayedControlTransfer.DUMMY:Lorg/graalvm/compiler/lir/sparc/SPARCDelayedControlTransfer;
            aconst_null
            aload 1 /* crb */
            aload 2 /* masm */
            invokestatic org.graalvm.compiler.lir.sparc.SPARCMove.emitStore:(Ljdk/vm/ci/meta/Value;Lorg/graalvm/compiler/asm/sparc/SPARCAddress;Ljdk/vm/ci/meta/PlatformKind;Lorg/graalvm/compiler/lir/sparc/SPARCDelayedControlTransfer;Lorg/graalvm/compiler/lir/LIRFrameState;Lorg/graalvm/compiler/lir/asm/CompilationResultBuilder;Lorg/graalvm/compiler/asm/sparc/SPARCMacroAssembler;)V
        end local 8 // jdk.vm.ci.code.RegisterValue input
        end local 7 // org.graalvm.compiler.asm.sparc.SPARCAddress slotAddress
        end local 6 // jdk.vm.ci.code.StackSlot slot
        end local 5 // jdk.vm.ci.code.Register savedRegister
        13: .line 78
      StackMap locals:
      StackMap stack:
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        14: iload 4 /* i */
            aload 0 /* this */
            getfield org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.savedRegisters:[Ljdk/vm/ci/code/Register;
            arraylength
            if_icmplt 6
        end local 4 // int i
        15: .line 88
            return
        end local 3 // org.graalvm.compiler.asm.sparc.SPARCAddress slot0Address
        end local 2 // org.graalvm.compiler.asm.sparc.SPARCMacroAssembler masm
        end local 1 // org.graalvm.compiler.lir.asm.CompilationResultBuilder crb
        end local 0 // org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   16     0           this  Lorg/graalvm/compiler/lir/sparc/SPARCSaveRegistersOp;
            0   16     1            crb  Lorg/graalvm/compiler/lir/asm/CompilationResultBuilder;
            1   16     2           masm  Lorg/graalvm/compiler/asm/sparc/SPARCMacroAssembler;
            2   16     3   slot0Address  Lorg/graalvm/compiler/asm/sparc/SPARCAddress;
            5   15     4              i  I
            9   13     5  savedRegister  Ljdk/vm/ci/code/Register;
           10   13     6           slot  Ljdk/vm/ci/code/StackSlot;
           11   13     7    slotAddress  Lorg/graalvm/compiler/asm/sparc/SPARCAddress;
           12   13     8          input  Ljdk/vm/ci/code/RegisterValue;
    MethodParameters:
      Name  Flags
      crb   

  public org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin$SPARCLIRInstructionMixinStore getSPARCLIRInstructionStore();
    descriptor: ()Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SPARCLIRInstructionMixinStore;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp this
         0: .line 92
            aload 0 /* this */
            getfield org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp.store:Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SPARCLIRInstructionMixinStore;
            areturn
        end local 0 // org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/compiler/lir/sparc/SPARCSaveRegistersOp;
}
SourceFile: "SPARCSaveRegistersOp.java"
InnerClasses:
  public abstract SaveRegistersOp = org.graalvm.compiler.lir.StandardOp$SaveRegistersOp of org.graalvm.compiler.lir.StandardOp
  public SPARCLIRInstructionMixinStore = org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin$SPARCLIRInstructionMixinStore of org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin
  public SizeEstimate = org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin$SizeEstimate of org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin
    RuntimeVisibleAnnotations: 
      org.graalvm.compiler.lir.Opcode(value = "SAVE_REGISTER")