java/15 : jdk.internal.vm.compiler/org/graalvm/compiler/lir/amd64/AMD64ZeroMemoryOp.class

AMD64ZeroMemoryOp
https://openjdk.java.net/
GPLv2 + Classpath Exception
public final class org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp extends org.graalvm.compiler.lir.amd64.AMD64LIRInstruction
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp
  super_class: org.graalvm.compiler.lir.amd64.AMD64LIRInstruction
{
  public static final org.graalvm.compiler.lir.LIRInstructionClass<org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp> 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/amd64/AMD64ZeroMemoryOp;>;

  protected org.graalvm.compiler.lir.amd64.AMD64AddressValue pointer;
    descriptor: Lorg/graalvm/compiler/lir/amd64/AMD64AddressValue;
    flags: (0x0004) ACC_PROTECTED
    RuntimeVisibleAnnotations: 
      org.graalvm.compiler.lir.LIRInstruction$Use(value = {org.graalvm.compiler.lir.LIRInstruction$OperandFlag.COMPOSITE:Lorg/graalvm/compiler/lir/LIRInstruction$OperandFlag;})

  protected jdk.vm.ci.code.RegisterValue length;
    descriptor: Ljdk/vm/ci/code/RegisterValue;
    flags: (0x0004) ACC_PROTECTED
    RuntimeVisibleAnnotations: 
      org.graalvm.compiler.lir.LIRInstruction$Use(value = {org.graalvm.compiler.lir.LIRInstruction$OperandFlag.REG:Lorg/graalvm/compiler/lir/LIRInstruction$OperandFlag;})

  protected jdk.vm.ci.meta.Value pointerTemp;
    descriptor: Ljdk/vm/ci/meta/Value;
    flags: (0x0004) ACC_PROTECTED
    RuntimeVisibleAnnotations: 
      org.graalvm.compiler.lir.LIRInstruction$Temp()

  protected jdk.vm.ci.meta.Value valueTemp;
    descriptor: Ljdk/vm/ci/meta/Value;
    flags: (0x0004) ACC_PROTECTED
    RuntimeVisibleAnnotations: 
      org.graalvm.compiler.lir.LIRInstruction$Temp()

  protected jdk.vm.ci.meta.Value lengthTemp;
    descriptor: Ljdk/vm/ci/meta/Value;
    flags: (0x0004) ACC_PROTECTED
    RuntimeVisibleAnnotations: 
      org.graalvm.compiler.lir.LIRInstruction$Temp()

  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 45
            ldc Lorg/graalvm/compiler/lir/amd64/AMD64ZeroMemoryOp;
            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.amd64.AMD64ZeroMemoryOp.$assertionsDisabled:Z
         3: .line 47
            ldc Lorg/graalvm/compiler/lir/amd64/AMD64ZeroMemoryOp;
            invokestatic org.graalvm.compiler.lir.LIRInstructionClass.create:(Ljava/lang/Class;)Lorg/graalvm/compiler/lir/LIRInstructionClass;
            putstatic org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp.TYPE:Lorg/graalvm/compiler/lir/LIRInstructionClass;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(org.graalvm.compiler.lir.amd64.AMD64AddressValue, jdk.vm.ci.code.RegisterValue);
    descriptor: (Lorg/graalvm/compiler/lir/amd64/AMD64AddressValue;Ljdk/vm/ci/code/RegisterValue;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp this
        start local 1 // org.graalvm.compiler.lir.amd64.AMD64AddressValue pointer
        start local 2 // jdk.vm.ci.code.RegisterValue length
         0: .line 57
            aload 0 /* this */
            getstatic org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp.TYPE:Lorg/graalvm/compiler/lir/LIRInstructionClass;
            invokespecial org.graalvm.compiler.lir.amd64.AMD64LIRInstruction.<init>:(Lorg/graalvm/compiler/lir/LIRInstructionClass;)V
         1: .line 58
            aload 0 /* this */
            aload 1 /* pointer */
            putfield org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp.pointer:Lorg/graalvm/compiler/lir/amd64/AMD64AddressValue;
         2: .line 59
            aload 0 /* this */
            aload 2 /* length */
            putfield org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp.length:Ljdk/vm/ci/code/RegisterValue;
         3: .line 61
            aload 0 /* this */
            getstatic jdk.vm.ci.amd64.AMD64.rdi:Ljdk/vm/ci/code/Register;
            getstatic jdk.vm.ci.amd64.AMD64Kind.QWORD:Ljdk/vm/ci/amd64/AMD64Kind;
            invokestatic org.graalvm.compiler.core.common.LIRKind.value:(Ljdk/vm/ci/meta/PlatformKind;)Lorg/graalvm/compiler/core/common/LIRKind;
            invokevirtual jdk.vm.ci.code.Register.asValue:(Ljdk/vm/ci/meta/ValueKind;)Ljdk/vm/ci/code/RegisterValue;
            putfield org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp.pointerTemp:Ljdk/vm/ci/meta/Value;
         4: .line 62
            aload 0 /* this */
            getstatic jdk.vm.ci.amd64.AMD64.rax:Ljdk/vm/ci/code/Register;
            getstatic jdk.vm.ci.amd64.AMD64Kind.QWORD:Ljdk/vm/ci/amd64/AMD64Kind;
            invokestatic org.graalvm.compiler.core.common.LIRKind.value:(Ljdk/vm/ci/meta/PlatformKind;)Lorg/graalvm/compiler/core/common/LIRKind;
            invokevirtual jdk.vm.ci.code.Register.asValue:(Ljdk/vm/ci/meta/ValueKind;)Ljdk/vm/ci/code/RegisterValue;
            putfield org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp.valueTemp:Ljdk/vm/ci/meta/Value;
         5: .line 63
            aload 0 /* this */
            getstatic jdk.vm.ci.amd64.AMD64.rcx:Ljdk/vm/ci/code/Register;
            getstatic jdk.vm.ci.amd64.AMD64Kind.QWORD:Ljdk/vm/ci/amd64/AMD64Kind;
            invokestatic org.graalvm.compiler.core.common.LIRKind.value:(Ljdk/vm/ci/meta/PlatformKind;)Lorg/graalvm/compiler/core/common/LIRKind;
            invokevirtual jdk.vm.ci.code.Register.asValue:(Ljdk/vm/ci/meta/ValueKind;)Ljdk/vm/ci/code/RegisterValue;
            putfield org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp.lengthTemp:Ljdk/vm/ci/meta/Value;
         6: .line 64
            return
        end local 2 // jdk.vm.ci.code.RegisterValue length
        end local 1 // org.graalvm.compiler.lir.amd64.AMD64AddressValue pointer
        end local 0 // org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    7     0     this  Lorg/graalvm/compiler/lir/amd64/AMD64ZeroMemoryOp;
            0    7     1  pointer  Lorg/graalvm/compiler/lir/amd64/AMD64AddressValue;
            0    7     2   length  Ljdk/vm/ci/code/RegisterValue;
    MethodParameters:
         Name  Flags
      pointer  
      length   

  public void emitCode(org.graalvm.compiler.lir.asm.CompilationResultBuilder, org.graalvm.compiler.asm.amd64.AMD64MacroAssembler);
    descriptor: (Lorg/graalvm/compiler/lir/asm/CompilationResultBuilder;Lorg/graalvm/compiler/asm/amd64/AMD64MacroAssembler;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp this
        start local 1 // org.graalvm.compiler.lir.asm.CompilationResultBuilder crb
        start local 2 // org.graalvm.compiler.asm.amd64.AMD64MacroAssembler masm
         0: .line 68
            getstatic org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp.$assertionsDisabled:Z
            ifne 1
            getstatic jdk.vm.ci.amd64.AMD64.rcx:Ljdk/vm/ci/code/Register;
            aload 0 /* this */
            getfield org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp.length:Ljdk/vm/ci/code/RegisterValue;
            invokevirtual jdk.vm.ci.code.RegisterValue.getRegister:()Ljdk/vm/ci/code/Register;
            invokevirtual jdk.vm.ci.code.Register.equals:(Ljava/lang/Object;)Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 69
      StackMap locals:
      StackMap stack:
            aload 2 /* masm */
            getstatic jdk.vm.ci.amd64.AMD64.rdi:Ljdk/vm/ci/code/Register;
            aload 0 /* this */
            getfield org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp.pointer:Lorg/graalvm/compiler/lir/amd64/AMD64AddressValue;
            invokevirtual org.graalvm.compiler.lir.amd64.AMD64AddressValue.toAddress:()Lorg/graalvm/compiler/asm/amd64/AMD64Address;
            invokevirtual org.graalvm.compiler.asm.amd64.AMD64MacroAssembler.leaq:(Ljdk/vm/ci/code/Register;Lorg/graalvm/compiler/asm/amd64/AMD64Address;)V
         2: .line 70
            aload 2 /* masm */
            getstatic jdk.vm.ci.amd64.AMD64.rax:Ljdk/vm/ci/code/Register;
            getstatic jdk.vm.ci.amd64.AMD64.rax:Ljdk/vm/ci/code/Register;
            invokevirtual org.graalvm.compiler.asm.amd64.AMD64MacroAssembler.xorq:(Ljdk/vm/ci/code/Register;Ljdk/vm/ci/code/Register;)V
         3: .line 71
            aload 2 /* masm */
            invokevirtual org.graalvm.compiler.asm.amd64.AMD64MacroAssembler.repStosb:()V
         4: .line 72
            return
        end local 2 // org.graalvm.compiler.asm.amd64.AMD64MacroAssembler masm
        end local 1 // org.graalvm.compiler.lir.asm.CompilationResultBuilder crb
        end local 0 // org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/graalvm/compiler/lir/amd64/AMD64ZeroMemoryOp;
            0    5     1   crb  Lorg/graalvm/compiler/lir/asm/CompilationResultBuilder;
            0    5     2  masm  Lorg/graalvm/compiler/asm/amd64/AMD64MacroAssembler;
    MethodParameters:
      Name  Flags
      crb   
      masm  
}
SourceFile: "AMD64ZeroMemoryOp.java"
InnerClasses:
  public final OperandFlag = org.graalvm.compiler.lir.LIRInstruction$OperandFlag of org.graalvm.compiler.lir.LIRInstruction
  public abstract Temp = org.graalvm.compiler.lir.LIRInstruction$Temp of org.graalvm.compiler.lir.LIRInstruction
  public abstract Use = org.graalvm.compiler.lir.LIRInstruction$Use of org.graalvm.compiler.lir.LIRInstruction
    RuntimeVisibleAnnotations: 
      org.graalvm.compiler.lir.Opcode(value = "ZERO_MEMORY")
/

java/ 15/ jdk.internal.vm.compiler/org/graalvm/compiler/lir/amd64/AMD64ZeroMemoryOp.class
