314divide.subx


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

== code

integer-divide:  # a: int, b: int -> quotient/eax: int, remainder/edx: int
    # . prologue
    55/push-ebp
    89/<- %ebp 4/r32/esp
    # eax = a
    8b/-> *(ebp+8) 0/r32/eax
    # edx = all 0s or all 1s
    99/sign-extend-eax-into-edx
    # quotient, remainder = divide eax by b
    f7 7/subop/divide-eax-edx-by *(ebp+0xc)
$integer-divide:end:
    # . epilogue
    89/<- %esp 5/r32/ebp
    5d/pop-to-ebp
    c3/return