compilers/tac/test10.tac

--C COMPILER
int main() { 
int x = 4;
int y = 5;
int z = 6;
int a = x + y;
int b = y + z;
int c = z * a;
int d = b * c;
int e = x;

return e * d;
}
parse finished
D
  d
    int
    F
      main
  ;
    ;
      ;
        ;
          ;
            ;
              ;
                ;
                  ~
                    int
                    =
                      x
                      4
                  ~
                    int
                    =
                      y
                      5
                ~
                  int
                  =
                    z
                    6
              ~
                int
                =
                  a
                  +
                    x
                    y
            ~
              int
              =
                b
                +
                  y
                  z
          ~
            int
            =
              c
              *
                z
                a
        ~
          int
          =
            d
            *
              b
              c
      ~
        int
        =
          e
          x
    return
      *
        e
        d
func main
x := 4
y := 5
z := 6
$t0 := x + y
a := $t0
$t1 := y + z
b := $t1
$t2 := z * a
c := $t2
$t3 := b * c
d := $t3
e := x
$t4 := e * d
ret $t4
end main

=====
li $a0, 68
li $v0, 9
syscall
or $fp, $0, $v0
la $t0, main
sw $t0, 0($fp)
sw $0, 4($fp)
jal main
j done
#func main
main:
li $a0, 68
li $v0, 9
syscall
sw $fp, 4($v0)
or $fp, $0, $v0
la $t0, main
sw $t0, 0($fp)
sw $ra, 64($fp)
#x := 4
li $8, 4
or $16, $0, $8
#y := 5
li $9, 5
or $17, $0, $9
#z := 6
li $10, 6
or $18, $0, $10
#$t0 := x + y
add $11, $16, $17
#a := $t0
or $19, $0, $11
#$t1 := y + z
add $12, $17, $18
#b := $t1
or $20, $0, $12
#$t2 := z * a
mult $18, $19
mflo $13
#c := $t2
or $21, $0, $13
#$t3 := b * c
mult $20, $21
mflo $14
#d := $t3
or $22, $0, $14
#e := x
or $23, $0, $16
#$t4 := e * d
mult $23, $22
mflo $15
#ret $t4
or $v1, $0, $15
jr $31
#end main

done:
ori $v0, $0, 10
syscall