Apostila antiga - The Cyan Programming Language
Apostila antiga - The Cyan Programming Language
Apostila antiga - The Cyan Programming Language
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CHAPTER 5. OTIMIZAÇÃO DE CÓDIGO 45<br />
var i, j : integer;<br />
begin<br />
i = 0;<br />
while i < 10 do<br />
begin<br />
if i > 5<br />
then<br />
j = 10;<br />
while j > 0 do<br />
j = j - 1;<br />
else<br />
j = 5;<br />
endif<br />
i = i + 1;<br />
end<br />
end<br />
seja traduzido para<br />
( 1) mov i, 0<br />
( 2) goto L1<br />
( 3) L2: cmp i, 5<br />
( 4) goto L5<br />
(10) goto L6<br />
(11) L3: mov j, 5<br />
(12) L6: add i, 1<br />
(13) L1: cmp i, 10<br />
(14) goto< L2<br />
(15) exit<br />
Os blocos básicos deste código são<br />
1 2<br />
3 4<br />
5 6<br />
7<br />
8 9<br />
10<br />
11<br />
12<br />
13 14<br />
15<br />
Blocos básicos possuem duas características importantes:
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