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OpCodes Fields

  Name Description
Public field Static Add Adds two values and pushes the result onto the evaluation stack.
Public field Static Add_Ovf Adds two integers, performs an overflow check, and pushes the result onto the evaluation stack.
Public field Static Add_Ovf_Un Adds two unsigned integer values, performs an overflow check, and pushes the result onto the evaluation stack.
Public field Static And Computes the bitwise AND of two values and pushes the result onto the evaluation stack.
Public field Static Arglist Returns an unmanaged pointer to the argument list of the current method.
Public field Static Beq Transfers control to a target instruction if two values are equal.
Public field Static Beq_S Transfers control to a target instruction (short form) if two values are equal.
Public field Static Bge Transfers control to a target instruction if the first value is greater than or equal to the second value.
Public field Static Bge_S Transfers control to a target instruction (short form) if the first value is greater than or equal to the second value.
Public field Static Bge_Un Transfers control to a target instruction if the first value is greater than the second value, when comparing unsigned integer values or unordered float values.
Public field Static Bge_Un_S Transfers control to a target instruction (short form) if the first value is greater than the second value, when comparing unsigned integer values or unordered float values.
Public field Static Bgt Transfers control to a target instruction if the first value is greater than the second value.
Public field Static Bgt_S Transfers control to a target instruction (short form) if the first value is greater than the second value.
Public field Static Bgt_Un Transfers control to a target instruction if the first value is greater than the second value, when comparing unsigned integer values or unordered float values.
Public field Static Bgt_Un_S Transfers control to a target instruction (short form) if the first value is greater than the second value, when comparing unsigned integer values or unordered float values.
Public field Static Ble Transfers control to a target instruction if the first value is less than or equal to the second value.
Public field Static Ble_S Transfers control to a target instruction (short form) if the first value is less than or equal to the second value.
Public field Static Ble_Un Transfers control to a target instruction if the first value is less than or equal to the second value, when comparing unsigned integer values or unordered float values.
Public field Static Ble_Un_S Transfers control to a target instruction (short form) if the first value is less than or equal to the second value, when comparing unsigned integer values or unordered float values.
Public field Static Blt Transfers control to a target instruction if the first value is less than the second value.
Public field Static Blt_S Transfers control to a target instruction (short form) if the first value is less than the second value.
Public field Static Blt_Un Transfers control to a target instruction if the first value is less than the second value, when comparing unsigned integer values or unordered float values.
Public field Static Blt_Un_S Transfers control to a target instruction (short form) if the first value is less than the second value, when comparing unsigned integer values or unordered float values.
Public field Static Bne_Un Transfers control to a target instruction when two unsigned integer values or unordered float values are not equal.
Public field Static Bne_Un_S Transfers control to a target instruction (short form) when two unsigned integer values or unordered float values are not equal.
Public field Static Box Converts a value type to an object reference (type O).
Public field Static Br Unconditionally transfers control to a target instruction.
Public field Static Br_S Unconditionally transfers control to a target instruction (short form).
Public field Static Break Signals the Common Language Infrastructure (CLI) to inform the debugger that a break point has been tripped.
Public field Static Brfalse Transfers control to a target instruction if value is false, a null reference (Nothing in Visual Basic), or zero.
Public field Static Brfalse_S Transfers control to a target instruction if value is false, a null reference, or zero.
Public field Static Brtrue Transfers control to a target instruction if value is true, not null, or non-zero.
Public field Static Brtrue_S Transfers control to a target instruction (short form) if value is true, not null, or non-zero.
Public field Static Call Calls the method indicated by the passed method descriptor.
Public field Static Calli Calls the method indicated on the evaluation stack (as a pointer to an entry point) with arguments described by a calling convention.
Public field Static Callvirt Calls a late-bound method on an object, pushing the return value onto the evaluation stack.
Public field Static Castclass Attempts to cast an object passed by reference to the specified class.
Public field Static Ceq Compares two values. If they are equal, the integer value 1 (int32) is pushed onto the evaluation stack; otherwise 0 (int32) is pushed onto the evaluation stack.
Public field Static Cgt Compares two values. If the first value is greater than the second, the integer value 1 (int32) is pushed onto the evaluation stack; otherwise 0 (int32) is pushed onto the evaluation stack.
Public field Static Cgt_Un Compares two unsigned or unordered values. If the first value is greater than the second, the integer value 1 (int32) is pushed onto the evaluation stack; otherwise 0 (int32) is pushed onto the evaluation stack.
Public field Static Ckfinite Throws ArithmeticException if value is not a finite number.
Public field Static Clt Compares two values. If the first value is less than the second, the integer value 1 (int32) is pushed onto the evaluation stack; otherwise 0 (int32) is pushed onto the evaluation stack.
Public field Static Clt_Un Compares the unsigned or unordered values value1 and value2. If value1 is less than value2, then the integer value 1 (int32) is pushed onto the evaluation stack; otherwise 0 (int32) is pushed onto the evaluation stack.
Public field Static Constrained Constrains the type on which a virtual method call is made.
Public field Static Conv_I Converts the value on top of the evaluation stack to native int.
Public field Static Conv_I1 Converts the value on top of the evaluation stack to int8, then extends (pads) it to int32.
Public field Static Conv_I2 Converts the value on top of the evaluation stack to int16, then extends (pads) it to int32.
Public field Static Conv_I4 Converts the value on top of the evaluation stack to int32.
Public field Static Conv_I8 Converts the value on top of the evaluation stack to int64.
Public field Static Conv_Ovf_I Converts the signed value on top of the evaluation stack to signed native int, throwing OverflowException on overflow.
Public field Static Conv_Ovf_I_Un Converts the unsigned value on top of the evaluation stack to signed native int, throwing OverflowException on overflow.
Public field Static Conv_Ovf_I1 Converts the signed value on top of the evaluation stack to signed int8 and extends it to int32, throwing OverflowException on overflow.
Public field Static Conv_Ovf_I1_Un Converts the unsigned value on top of the evaluation stack to signed int8 and extends it to int32, throwing OverflowException on overflow.
Public field Static Conv_Ovf_I2 Converts the signed value on top of the evaluation stack to signed int16 and extending it to int32, throwing OverflowException on overflow.
Public field Static Conv_Ovf_I2_Un Converts the unsigned value on top of the evaluation stack to signed int16 and extends it to int32, throwing OverflowException on overflow.
Public field Static Conv_Ovf_I4 Converts the signed value on top of the evaluation stack to signed int32, throwing OverflowException on overflow.
Public field Static Conv_Ovf_I4_Un Converts the unsigned value on top of the evaluation stack to signed int32, throwing OverflowException on overflow.
Public field Static Conv_Ovf_I8 Converts the signed value on top of the evaluation stack to signed int64, throwing OverflowException on overflow.
Public field Static Conv_Ovf_I8_Un Converts the unsigned value on top of the evaluation stack to signed int64, throwing OverflowException on overflow.
Public field Static Conv_Ovf_U Converts the signed value on top of the evaluation stack to unsigned native int, throwing OverflowException on overflow.
Public field Static Conv_Ovf_U_Un Converts the unsigned value on top of the evaluation stack to unsigned native int, throwing OverflowException on overflow.
Public field Static Conv_Ovf_U1 Converts the signed value on top of the evaluation stack to unsigned int8 and extends it to int32, throwing OverflowException on overflow.
Public field Static Conv_Ovf_U1_Un Converts the unsigned value on top of the evaluation stack to unsigned int8 and extends it to int32, throwing OverflowException on overflow.
Public field Static Conv_Ovf_U2 Converts the signed value on top of the evaluation stack to unsigned int16 and extends it to int32, throwing OverflowException on overflow.
Public field Static Conv_Ovf_U2_Un Converts the unsigned value on top of the evaluation stack to unsigned int16 and extends it to int32, throwing OverflowException on overflow.
Public field Static Conv_Ovf_U4 Converts the signed value on top of the evaluation stack to unsigned int32, throwing OverflowException on overflow.
Public field Static Conv_Ovf_U4_Un Converts the unsigned value on top of the evaluation stack to unsigned int32, throwing OverflowException on overflow.
Public field Static Conv_Ovf_U8 Converts the signed value on top of the evaluation stack to unsigned int64, throwing OverflowException on overflow.
Public field Static Conv_Ovf_U8_Un Converts the unsigned value on top of the evaluation stack to unsigned int64, throwing OverflowException on overflow.
Public field Static Conv_R_Un Converts the unsigned integer value on top of the evaluation stack to float32.
Public field Static Conv_R4 Converts the value on top of the evaluation stack to float32.
Public field Static Conv_R8 Converts the value on top of the evaluation stack to float64.
Public field Static Conv_U Converts the value on top of the evaluation stack to unsigned native int, and extends it to native int.
Public field Static Conv_U1 Converts the value on top of the evaluation stack to unsigned int8, and extends it to int32.
Public field Static Conv_U2 Converts the value on top of the evaluation stack to unsigned int16, and extends it to int32.
Public field Static Conv_U4 Converts the value on top of the evaluation stack to unsigned int32, and extends it to int32.
Public field Static Conv_U8 Converts the value on top of the evaluation stack to unsigned int64, and extends it to int64.
Public field Static Cpblk Copies a specified number bytes from a source address to a destination address.
Public field Static Cpobj Copies the value type located at the address of an object (type &, * or native int) to the address of the destination object (type &, * or native int).
Public field Static Div Divides two values and pushes the result as a floating-point (type F) or quotient (type int32) onto the evaluation stack.
Public field Static Div_Un Divides two unsigned integer values and pushes the result (int32) onto the evaluation stack.
Public field Static Dup Copies the current topmost value on the evaluation stack, and then pushes the copy onto the evaluation stack.
Public field Static Endfilter Transfers control from the filter clause of an exception back to the Common Language Infrastructure (CLI) exception handler.
Public field Static Endfinally Transfers control from the fault or finally clause of an exception block back to the Common Language Infrastructure (CLI) exception handler.
Public field Static Initblk Initializes a specified block of memory at a specific address to a given size and initial value.
Public field Static Initobj Initializes each field of the value type at a specified address to a null reference or a 0 of the appropriate primitive type.
Public field Static Isinst Tests whether an object reference (type O) is an instance of a particular class.
Public field Static Jmp Exits current method and jumps to specified method.
Public field Static Ldarg Loads an argument (referenced by a specified index value) onto the stack.
Public field Static Ldarg_0 Loads the argument at index 0 onto the evaluation stack.
Public field Static Ldarg_1 Loads the argument at index 1 onto the evaluation stack.
Public field Static Ldarg_2 Loads the argument at index 2 onto the evaluation stack.
Public field Static Ldarg_3 Loads the argument at index 3 onto the evaluation stack.
Public field Static Ldarg_S Loads the argument (referenced by a specified short form index) onto the evaluation stack.
Public field Static Ldarga Load an argument address onto the evaluation stack.
Public field Static Ldarga_S Load an argument address, in short form, onto the evaluation stack.
Public field Static Ldc_I4 Pushes a supplied value of type int32 onto the evaluation stack as an int32.
Public field Static Ldc_I4_0 Pushes the integer value of 0 onto the evaluation stack as an int32.
Public field Static Ldc_I4_1 Pushes the integer value of 1 onto the evaluation stack as an int32.
Public field Static Ldc_I4_2 Pushes the integer value of 2 onto the evaluation stack as an int32.
Public field Static Ldc_I4_3 Pushes the integer value of 3 onto the evaluation stack as an int32.
Public field Static Ldc_I4_4 Pushes the integer value of 4 onto the evaluation stack as an int32.
Public field Static Ldc_I4_5 Pushes the integer value of 5 onto the evaluation stack as an int32.
Public field Static Ldc_I4_6 Pushes the integer value of 6 onto the evaluation stack as an int32.
Public field Static Ldc_I4_7 Pushes the integer value of 7 onto the evaluation stack as an int32.
Public field Static Ldc_I4_8 Pushes the integer value of 8 onto the evaluation stack as an int32.
Public field Static Ldc_I4_M1 Pushes the integer value of -1 onto the evaluation stack as an int32.
Public field Static Ldc_I4_S Pushes the supplied int8 value onto the evaluation stack as an int32, short form.
Public field Static Ldc_I8 Pushes a supplied value of type int64 onto the evaluation stack as an int64.
Public field Static Ldc_R4 Pushes a supplied value of type float32 onto the evaluation stack as type F (float).
Public field Static Ldc_R8 Pushes a supplied value of type float64 onto the evaluation stack as type F (float).
Public field Static Ldelem Loads the element at a specified array index onto the top of the evaluation stack as the type specified in the instruction.
Public field Static Ldelem_I Loads the element with type native int at a specified array index onto the top of the evaluation stack as a native int.
Public field Static Ldelem_I1 Loads the element with type int8 at a specified array index onto the top of the evaluation stack as an int32.
Public field Static Ldelem_I2 Loads the element with type int16 at a specified array index onto the top of the evaluation stack as an int32.
Public field Static Ldelem_I4 Loads the element with type int32 at a specified array index onto the top of the evaluation stack as an int32.
Public field Static Ldelem_I8 Loads the element with type int64 at a specified array index onto the top of the evaluation stack as an int64.
Public field Static Ldelem_R4 Loads the element with type float32 at a specified array index onto the top of the evaluation stack as type F (float).
Public field Static Ldelem_R8 Loads the element with type float64 at a specified array index onto the top of the evaluation stack as type F (float).
Public field Static Ldelem_Ref Loads the element containing an object reference at a specified array index onto the top of the evaluation stack as type O (object reference).
Public field Static Ldelem_U1 Loads the element with type unsigned int8 at a specified array index onto the top of the evaluation stack as an int32.
Public field Static Ldelem_U2 Loads the element with type unsigned int16 at a specified array index onto the top of the evaluation stack as an int32.
Public field Static Ldelem_U4 Loads the element with type unsigned int32 at a specified array index onto the top of the evaluation stack as an int32.
Public field Static Ldelema Loads the address of the array element at a specified array index onto the top of the evaluation stack as type & (managed pointer).
Public field Static Ldfld Finds the value of a field in the object whose reference is currently on the evaluation stack.
Public field Static Ldflda Finds the address of a field in the object whose reference is currently on the evaluation stack.
Public field Static Ldftn Pushes an unmanaged pointer (type native int) to the native code implementing a specific method onto the evaluation stack.
Public field Static Ldind_I Loads a value of type native int as a native int onto the evaluation stack indirectly.
Public field Static Ldind_I1 Loads a value of type int8 as an int32 onto the evaluation stack indirectly.
Public field Static Ldind_I2 Loads a value of type int16 as an int32 onto the evaluation stack indirectly.
Public field Static Ldind_I4 Loads a value of type int32 as an int32 onto the evaluation stack indirectly.
Public field Static Ldind_I8 Loads a value of type int64 as an int64 onto the evaluation stack indirectly.
Public field Static Ldind_R4 Loads a value of type float32 as a type F (float) onto the evaluation stack indirectly.
Public field Static Ldind_R8 Loads a value of type float64 as a type F (float) onto the evaluation stack indirectly.
Public field Static Ldind_Ref Loads an object reference as a type O (object reference) onto the evaluation stack indirectly.
Public field Static Ldind_U1 Loads a value of type unsigned int8 as an int32 onto the evaluation stack indirectly.
Public field Static Ldind_U2 Loads a value of type unsigned int16 as an int32 onto the evaluation stack indirectly.
Public field Static Ldind_U4 Loads a value of type unsigned int32 as an int32 onto the evaluation stack indirectly.
Public field Static Ldlen Pushes the number of elements of a zero-based, one-dimensional array onto the evaluation stack.
Public field Static Ldloc Loads the local variable at a specific index onto the evaluation stack.
Public field Static Ldloc_0 Loads the local variable at index 0 onto the evaluation stack.
Public field Static Ldloc_1 Loads the local variable at index 1 onto the evaluation stack.
Public field Static Ldloc_2 Loads the local variable at index 2 onto the evaluation stack.
Public field Static Ldloc_3 Loads the local variable at index 3 onto the evaluation stack.
Public field Static Ldloc_S Loads the local variable at a specific index onto the evaluation stack, short form.
Public field Static Ldloca Loads the address of the local variable at a specific index onto the evaluation stack.
Public field Static Ldloca_S Loads the address of the local variable at a specific index onto the evaluation stack, short form.
Public field Static Ldnull Pushes a null reference (type O) onto the evaluation stack.
Public field Static Ldobj Copies the value type object pointed to by an address to the top of the evaluation stack.
Public field Static Ldsfld Pushes the value of a static field onto the evaluation stack.
Public field Static Ldsflda Pushes the address of a static field onto the evaluation stack.
Public field Static Ldstr Pushes a new object reference to a string literal stored in the metadata.
Public field Static Ldtoken Converts a metadata token to its runtime representation, pushing it onto the evaluation stack.
Public field Static Ldvirtftn Pushes an unmanaged pointer (type native int) to the native code implementing a particular virtual method associated with a specified object onto the evaluation stack.
Public field Static Leave Exits a protected region of code, unconditionally transferring control to a specific target instruction.
Public field Static Leave_S Exits a protected region of code, unconditionally transferring control to a target instruction (short form).
Public field Static Localloc Allocates a certain number of bytes from the local dynamic memory pool and pushes the address (a transient pointer, type *) of the first allocated byte onto the evaluation stack.
Public field Static Mkrefany Pushes a typed reference to an instance of a specific type onto the evaluation stack.
Public field Static Mul Multiplies two values and pushes the result on the evaluation stack.
Public field Static Mul_Ovf Multiplies two integer values, performs an overflow check, and pushes the result onto the evaluation stack.
Public field Static Mul_Ovf_Un Multiplies two unsigned integer values, performs an overflow check, and pushes the result onto the evaluation stack.
Public field Static Neg Negates a value and pushes the result onto the evaluation stack.
Public field Static Newarr Pushes an object reference to a new zero-based, one-dimensional array whose elements are of a specific type onto the evaluation stack.
Public field Static Newobj Creates a new object or a new instance of a value type, pushing an object reference (type O) onto the evaluation stack.
Public field Static Nop Fills space if opcodes are patched. No meaningful operation is performed although a processing cycle can be consumed.
Public field Static Not Computes the bitwise complement of the integer value on top of the stack and pushes the result onto the evaluation stack as the same type.
Public field Static Or Compute the bitwise complement of the two integer values on top of the stack and pushes the result onto the evaluation stack.
Public field Static Pop Removes the value currently on top of the evaluation stack.
Public field Static Prefix1 This is a reserved instruction.
Public field Static Prefix2 This is a reserved instruction.
Public field Static Prefix3 This is a reserved instruction.
Public field Static Prefix4 This is a reserved instruction.
Public field Static Prefix5 This is a reserved instruction.
Public field Static Prefix6 This is a reserved instruction.
Public field Static Prefix7 This is a reserved instruction.
Public field Static Prefixref This is a reserved instruction.
Public field Static Readonly Specifies that the subsequent array address operation performs no type check at run time, and that it returns a managed pointer whose mutability is restricted.
Public field Static Refanytype Retrieves the type token embedded in a typed reference.
Public field Static Refanyval Retrieves the address (type &) embedded in a typed reference.
Public field Static Rem Divides two values and pushes the remainder onto the evaluation stack.
Public field Static Rem_Un Divides two unsigned values and pushes the remainder onto the evaluation stack.
Public field Static Ret Returns from the current method, pushing a return value (if present) from the callee's evaluation stack onto the caller's evaluation stack.
Public field Static Rethrow Rethrows the current exception.
Public field Static Shl Shifts an integer value to the left (in zeroes) by a specified number of bits, pushing the result onto the evaluation stack.
Public field Static Shr Shifts an integer value (in sign) to the right by a specified number of bits, pushing the result onto the evaluation stack.
Public field Static Shr_Un Shifts an unsigned integer value (in zeroes) to the right by a specified number of bits, pushing the result onto the evaluation stack.
Public field Static Sizeof Pushes the size, in bytes, of a supplied value type onto the evaluation stack.
Public field Static Starg Stores the value on top of the evaluation stack in the argument slot at a specified index.
Public field Static Starg_S Stores the value on top of the evaluation stack in the argument slot at a specified index, short form.
Public field Static Stelem Replaces the array element at a given index with the value on the evaluation stack, whose type is specified in the instruction.
Public field Static Stelem_I Replaces the array element at a given index with the native int value on the evaluation stack.
Public field Static Stelem_I1 Replaces the array element at a given index with the int8 value on the evaluation stack.
Public field Static Stelem_I2 Replaces the array element at a given index with the int16 value on the evaluation stack.
Public field Static Stelem_I4 Replaces the array element at a given index with the int32 value on the evaluation stack.
Public field Static Stelem_I8 Replaces the array element at a given index with the int64 value on the evaluation stack.
Public field Static Stelem_R4 Replaces the array element at a given index with the float32 value on the evaluation stack.
Public field Static Stelem_R8 Replaces the array element at a given index with the float64 value on the evaluation stack.
Public field Static Stelem_Ref Replaces the array element at a given index with the object ref value (type O) on the evaluation stack.
Public field Static Stfld Replaces the value stored in the field of an object reference or pointer with a new value.
Public field Static Stind_I Stores a value of type native int at a supplied address.
Public field Static Stind_I1 Stores a value of type int8 at a supplied address.
Public field Static Stind_I2 Stores a value of type int16 at a supplied address.
Public field Static Stind_I4 Stores a value of type int32 at a supplied address.
Public field Static Stind_I8 Stores a value of type int64 at a supplied address.
Public field Static Stind_R4 Stores a value of type float32 at a supplied address.
Public field Static Stind_R8 Stores a value of type float64 at a supplied address.
Public field Static Stind_Ref Stores a object reference value at a supplied address.
Public field Static Stloc Pops the current value from the top of the evaluation stack and stores it in a the local variable list at a specified index.
Public field Static Stloc_0 Pops the current value from the top of the evaluation stack and stores it in a the local variable list at index 0.
Public field Static Stloc_1 Pops the current value from the top of the evaluation stack and stores it in a the local variable list at index 1.
Public field Static Stloc_2 Pops the current value from the top of the evaluation stack and stores it in a the local variable list at index 2.
Public field Static Stloc_3 Pops the current value from the top of the evaluation stack and stores it in a the local variable list at index 3.
Public field Static Stloc_S Pops the current value from the top of the evaluation stack and stores it in a the local variable list at index (short form).
Public field Static Stobj Copies a value of a specified type from the evaluation stack into a supplied memory address.
Public field Static Stsfld Replaces the value of a static field with a value from the evaluation stack.
Public field Static Sub Subtracts one value from another and pushes the result onto the evaluation stack.
Public field Static Sub_Ovf Subtracts one integer value from another, performs an overflow check, and pushes the result onto the evaluation stack.
Public field Static Sub_Ovf_Un Subtracts one unsigned integer value from another, performs an overflow check, and pushes the result onto the evaluation stack.
Public field Static Switch Implements a jump table.
Public field Static Tailcall Performs a postfixed method call instruction such that the current method's stack frame is removed before the actual call instruction is executed.
Public field Static Throw Throws the exception object currently on the evaluation stack.
Public field Static Unaligned Indicates that an address currently atop the evaluation stack might not be aligned to the natural size of the immediately following ldind, stind, ldfld, stfld, ldobj, stobj, initblk, or cpblk instruction.
Public field Static Unbox Converts the boxed representation of a value type to its unboxed form.
Public field Static Unbox_Any Converts the boxed representation of a type specified in the instruction to its unboxed form.
Public field Static Volatile Specifies that an address currently atop the evaluation stack might be volatile, and the results of reading that location cannot be cached or that multiple stores to that location cannot be suppressed.
Public field Static Xor Computes the bitwise XOR of the top two values on the evaluation stack, pushing the result onto the evaluation stack.
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