https://www.graalvm.org/ 
public final class org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp extends org.graalvm.compiler.lir.sparc.SPARCLIRInstruction implements org.graalvm.compiler.lir.sparc.SPARCTailDelayedLIRInstruction
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp
  super_class: org.graalvm.compiler.lir.sparc.SPARCLIRInstruction
{
  public static final org.graalvm.compiler.lir.LIRInstructionClass<org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp> TYPE;
    descriptor: Lorg/graalvm/compiler/lir/LIRInstructionClass;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    Signature: Lorg/graalvm/compiler/lir/LIRInstructionClass<Lorg/graalvm/compiler/lir/sparc/SPARCMove$MembarOp;>;

  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 int barriers;
    descriptor: I
    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 366
            ldc Lorg/graalvm/compiler/lir/sparc/SPARCMove;
            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.SPARCMove$MembarOp.$assertionsDisabled:Z
         3: .line 367
            ldc Lorg/graalvm/compiler/lir/sparc/SPARCMove$MembarOp;
            invokestatic org.graalvm.compiler.lir.LIRInstructionClass.create:(Ljava/lang/Class;)Lorg/graalvm/compiler/lir/LIRInstructionClass;
            putstatic org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp.TYPE:Lorg/graalvm/compiler/lir/LIRInstructionClass;
         4: .line 368
            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.SPARCMove$MembarOp.SIZE:Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SizeEstimate;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp this
        start local 1 // int barriers
         0: .line 373
            aload 0 /* this */
            getstatic org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp.TYPE:Lorg/graalvm/compiler/lir/LIRInstructionClass;
            getstatic org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp.SIZE:Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SizeEstimate;
            invokespecial org.graalvm.compiler.lir.sparc.SPARCLIRInstruction.<init>:(Lorg/graalvm/compiler/lir/LIRInstructionClass;Lorg/graalvm/compiler/lir/sparc/SPARCLIRInstructionMixin$SizeEstimate;)V
         1: .line 374
            aload 0 /* this */
            iload 1 /* barriers */
            putfield org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp.barriers:I
         2: .line 375
            return
        end local 1 // int barriers
        end local 0 // org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lorg/graalvm/compiler/lir/sparc/SPARCMove$MembarOp;
            0    3     1  barriers  I
    MethodParameters:
          Name  Flags
      barriers  final

  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=3, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp this
        start local 1 // org.graalvm.compiler.lir.asm.CompilationResultBuilder crb
        start local 2 // org.graalvm.compiler.asm.sparc.SPARCMacroAssembler masm
         0: .line 379
            aload 0 /* this */
            invokevirtual org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp.getDelayedControlTransfer:()Lorg/graalvm/compiler/lir/sparc/SPARCDelayedControlTransfer;
            aload 1 /* crb */
            aload 2 /* masm */
            invokeinterface org.graalvm.compiler.lir.sparc.SPARCDelayedControlTransfer.emitControlTransfer:(Lorg/graalvm/compiler/lir/asm/CompilationResultBuilder;Lorg/graalvm/compiler/asm/sparc/SPARCMacroAssembler;)V
         1: .line 380
            aload 2 /* masm */
            iconst_2
            invokevirtual org.graalvm.compiler.asm.sparc.SPARCMacroAssembler.membar:(I)V
         2: .line 381
            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.SPARCMove$MembarOp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/graalvm/compiler/lir/sparc/SPARCMove$MembarOp;
            0    3     1   crb  Lorg/graalvm/compiler/lir/asm/CompilationResultBuilder;
            0    3     2  masm  Lorg/graalvm/compiler/asm/sparc/SPARCMacroAssembler;
    MethodParameters:
      Name  Flags
      crb   
      masm  

  public void verify();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp this
         0: .line 385
            getstatic org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            getfield org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp.barriers:I
            iconst_4
            if_icmpeq 1
            new java.lang.AssertionError
            dup
            ldc "Got barriers 0x%x; On SPARC only STORE_LOAD barriers are accepted; all other barriers are not neccessary due to TSO"
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            aload 0 /* this */
            getfield org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp.barriers:I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aastore
            invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         1: .line 386
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/graalvm/compiler/lir/sparc/SPARCMove$MembarOp;
}
SourceFile: "SPARCMove.java"
NestHost: org.graalvm.compiler.lir.sparc.SPARCMove
InnerClasses:
  public SizeEstimate = org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin$SizeEstimate of org.graalvm.compiler.lir.sparc.SPARCLIRInstructionMixin
  public final MembarOp = org.graalvm.compiler.lir.sparc.SPARCMove$MembarOp of org.graalvm.compiler.lir.sparc.SPARCMove