example of translation from stm to machine lang

2021-10-03 22:30:17 -03:00 · 2021-10-03 22:30:17 -03:00 · deaab50a6d
parent 6723f51f83
commit deaab50a6d
1 changed files with 19 additions and 1 deletions
--- a/20
+++ b/20
@ -8,4 +8,22 @@ exp         -> numero      (literal)       -> number
 exp         -> id          (idExp)         -> id
 exp         -> exp op exp  (operacion)     -> opexp
 op          -> +           (suma)          -> plus
-op          -> -           (resta)         -> minus
+op          -> -           (resta)         -> minus
+
+IR:
+example:
+a = 2 + 2
+=>
+a = 4
+=>
+MOV a, 0x0004
+
+a = b + 2
+=>
+MOV r1, [b]
+ADD r1, 0x0002
+MOV a, r1
+=>
+MOV r1, [0xf000]
+ADD r1, 0x0002
+MOV 0xf001, r1