[查阅]MSIL Instruction Set

Base Instructions

 

Instruction

Description

Stack Transition

1

add

add two values, returning a new value

…, value1, value2à…, result

2

add.ovf.<signed>

add integer value with overflow check

…, value1, value2à…, result

3

and

bitwise AND

…, value1, value2 à…, result

4

arglist

get argument list

… à …, argListHandle

5

beq.<length>

branch on equal

…, value1, value2 à …

6

bge.<length>

branch on greater than or equal to

…, value1, value2 à …

7

bge.un.<length>

branch on greater/equal, unsigned or unordered

…, value1, value2 à …

8

bgt.<length>

branch on greater than

…, value1, value2 à …

9

bgt.un<length>

branch on greater than, unsigned or unordered

…, value1, value2 à …

10

ble.<length>

branch on less than or equal to

…, value1, value2 à …

11

ble..un<length>

branch on less/equal, unsigned or unordered

…, value1, value2 à …

12

blt.<length>

branch on less than

…, value1, value2 à …

13

blt.un.<length>

branch on less than, unsigned or unordered

…, value1, value2 à …

14

bne.un<length>

branch on not equal or unorded

…, value1, value2 à …

15

br.<length>

unconditional branch

…, à …

16

break

breakpoint instruction

…, à …

17

brfalse.<length>

branch on false, null, or zero

…, value à …

18

brtrue.<length>

branch on non-false or non-null

…, value à …

19

call

call a method

…, arg1, arg2 … argn à …, retVal (not always returned)

20

calli

indirect method call

…, arg1, arg2 … argn, ftn à …, retVal (not always returned)

21

ceq

compare equal

…, value1, value2à…, result

22

cgt

compare greater than

…, value1, value2à…, result

23

cgt.un

compare greater than, unsigned or unordered

…, value1, value2à…, result

24

ckfinite

check for a finite real number

…, value à …, value

25

clt

compare less than

…, value1, value2à…, result

26

clt.un

compare less than, unsigned or unordered

…, value1, value2à…, result

27

conv.<to type>

data conversion

…, value à …, result

28

conv.ovf<to type>

data conversion with overflow detection

…, value à …, result

29

conv.ovf.<to type>.un

unsigned data conversion with overflow detection

…, value à …, result

30

cpblk

copy data from memory to memory

…, destaddr, srcaddr, size à …

31

div

divide values

…, value1, value2à…, result

32

div.un

divide integer values, unsigned

…, value1, value2à…, result

33

dup

duplicate the top value of the stack

…, value à …, value, value

34

endfilter

end filter clause of SEH

…, value à …

35

endfinally

end the finally or fault clause of exception block

… à …

36

initblk

initialize a block of memory to a value

…, addr, value, size à …

37

jmp

jump to method

… à …

38

ldarg.<length>

load argument onto the stack

… à …, value

39

ldarga.<length>

load an argument address

…, à …, address of argument number argNum

40

ldc.<type>

load numeric constant

… à …, num

41

ldftn

load method pointer

… à …, ftn

42

ldind.<type>

load value indirect onto the stack

…, addr à …, value

43

ldloc

load local variable onto the stack

… à …, value

44

ldloca.<length>

load local variable address

… à …, address

45

ldnull

load a null pointer

… à …, null value

46

leave.<length>

exit a protected region of code

…, à

47

localloc

allocate space in the local dynamic memory pool

size à address

48

mul

multiply values

…, value1, value2 à …, result

49

mul.ovf<type>

multiply integer values with overflow check

…, value1, value2 à …, result

50

neg

negate

…, value à …, result

51

nop

no operation

…, à …,

52

not

bitwise complement

…, value à …, result

53

or

bitwise OR

…, value1, value2 à …, result

54

pop

remove the top element of the stack

…, value à …

55

rem

compute the remainder

…, value1, value2 à …, result

56

rem.un

compute integer remainder, unsigned

…, value1, value2 à …, result

57

ret

return from method

retVal on callee evaluation stack (not always present) à

…, retVal on caller evaluation stack (not always present)

58

shl

shift integer left

…, value, shiftAmount à …, result

59

shr

shift integer right

…, value, shiftAmount à …, result

60

shr.un

shift integer right, unsigned

…, value, shiftAmount à …, result

61

starg.<length>

store a value in an argument slot

…, value à …,

62

stind.<type>

store value indirect from stack

…, addr, val à …

63

stloc

pop value from stack to local variable

…, value à …

64

sub

substract numeric values

…, value1, value2 à …, result

65

sub.ovf.<type>

substract integer values, checking for overflow

…, value1, value2 à …, result

66

switch

table switch on value

…, value à …,

67

xor

bitwise XOR

..., value1, value2 à ..., result

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