5 <title>Mu -
314divide.subx
</title>
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55 <a href='https://github.com/akkartik/mu/blob/main/
314divide.subx'
>https://github.com/akkartik/mu/blob/main/
314divide.subx
</a>
56 <pre id='vimCodeElement'
>
57 <span id=
"L1" class=
"LineNr"> 1 </span>== code
58 <span id=
"L2" class=
"LineNr"> 2 </span>
59 <span id=
"L3" class=
"LineNr"> 3 </span><span class=
"subxFunction">integer-divide
</span>:
<span class=
"subxComment"># a: int, b: int -
> quotient/eax: int, remainder/edx: int
</span>
60 <span id=
"L4" class=
"LineNr"> 4 </span> <span class=
"subxS1Comment"># . prologue
</span>
61 <span id=
"L5" class=
"LineNr"> 5 </span> 55/push-ebp
62 <span id=
"L6" class=
"LineNr"> 6 </span> 89/
<- %ebp
4/r32/esp
63 <span id=
"L7" class=
"LineNr"> 7 </span> <span class=
"subxComment"># eax = a
</span>
64 <span id=
"L8" class=
"LineNr"> 8 </span> 8b/-
> *(ebp+
8)
0/r32/eax
65 <span id=
"L9" class=
"LineNr"> 9 </span> <span class=
"subxComment"># edx = all
0s or all
1s
</span>
66 <span id=
"L10" class=
"LineNr">10 </span> 99/sign-extend-eax-into-edx
67 <span id=
"L11" class=
"LineNr">11 </span> <span class=
"subxComment"># quotient, remainder = divide eax by b
</span>
68 <span id=
"L12" class=
"LineNr">12 </span> f7
7/subop/divide-eax-edx-by *(ebp+
0xc)
69 <span id=
"L13" class=
"LineNr">13 </span><span class=
"Constant">$integer-divide:end
</span>:
70 <span id=
"L14" class=
"LineNr">14 </span> <span class=
"subxS1Comment"># . epilogue
</span>
71 <span id=
"L15" class=
"LineNr">15 </span> 89/
<- %esp
5/r32/ebp
72 <span id=
"L16" class=
"LineNr">16 </span> 5d/pop-to-ebp
73 <span id=
"L17" class=
"LineNr">17 </span> c3/return
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