https://www.graalvm.org/ 
public final class org.graalvm.compiler.lir.sparc.SPARCPauseOp extends org.graalvm.compiler.lir.sparc.SPARCLIRInstruction
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.graalvm.compiler.lir.sparc.SPARCPauseOp
  super_class: org.graalvm.compiler.lir.sparc.SPARCLIRInstruction
{
  public static final org.graalvm.compiler.lir.LIRInstructionClass<org.graalvm.compiler.lir.sparc.SPARCPauseOp> 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/SPARCPauseOp;>;

  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

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 37
            ldc Lorg/graalvm/compiler/lir/sparc/SPARCPauseOp;
            invokestatic org.graalvm.compiler.lir.LIRInstructionClass.create:(Ljava/lang/Class;)Lorg/graalvm/compiler/lir/LIRInstructionClass;
            putstatic org.graalvm.compiler.lir.sparc.SPARCPauseOp.TYPE:Lorg/graalvm/compiler/lir/LIRInstructionClass;
         1: .line 38
            iconst_1
            invokestatic org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin$SizeEstimate.create:(I)Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SizeEstimate;
            putstatic org.graalvm.compiler.lir.sparc.SPARCPauseOp.SIZE:Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SizeEstimate;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.lir.sparc.SPARCPauseOp this
         0: .line 41
            aload 0 /* this */
            getstatic org.graalvm.compiler.lir.sparc.SPARCPauseOp.TYPE:Lorg/graalvm/compiler/lir/LIRInstructionClass;
            getstatic org.graalvm.compiler.lir.sparc.SPARCPauseOp.SIZE:Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SizeEstimate;
            invokespecial org.graalvm.compiler.lir.sparc.SPARCLIRInstruction.<init>:(Lorg/graalvm/compiler/lir/LIRInstructionClass;Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SizeEstimate;)V
         1: .line 42
            return
        end local 0 // org.graalvm.compiler.lir.sparc.SPARCPauseOp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/graalvm/compiler/lir/sparc/SPARCPauseOp;

  public void emitCode(org.graalvm.compiler.lir.asm.CompilationResultBuilder, org.graalvm.compiler.asm.sparc.SPARCMacroAssembler);
    descriptor: (Lorg/graalvm/compiler/lir/asm/CompilationResultBuilder;Lorg/graalvm/compiler/asm/sparc/SPARCMacroAssembler;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.lir.sparc.SPARCPauseOp this
        start local 1 // org.graalvm.compiler.lir.asm.CompilationResultBuilder crb
        start local 2 // org.graalvm.compiler.asm.sparc.SPARCMacroAssembler masm
         0: .line 46
            aload 2 /* masm */
            invokevirtual org.graalvm.compiler.asm.sparc.SPARCMacroAssembler.pause:()V
         1: .line 47
            return
        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.SPARCPauseOp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/graalvm/compiler/lir/sparc/SPARCPauseOp;
            0    2     1   crb  Lorg/graalvm/compiler/lir/asm/CompilationResultBuilder;
            0    2     2  masm  Lorg/graalvm/compiler/asm/sparc/SPARCMacroAssembler;
    MethodParameters:
      Name  Flags
      crb   
      masm  
}
SourceFile: "SPARCPauseOp.java"
InnerClasses:
  public SizeEstimate = org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin$SizeEstimate of org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin
    RuntimeVisibleAnnotations: 
      org.graalvm.compiler.lir.Opcode(value = "PAUSE")