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Sagot :
Solution :
int f(int x){
[tex]\text{return a + b*x +c*x*x}[/tex];
}*/
int f([tex]\text{int R0}[/tex]){
int stack[2] = {[tex]\text{R1,R2}[/tex]};
[tex]\text{R1 = R0}[/tex];
[tex]\text{R1 = R1}\times \text{ R1}[/tex];
[tex]\text{R2 = C}[/tex];
R1 = R1 * C; /*R1 = [tex]cx^2[/tex]*/
[tex]\text{R2 = B}[/tex];
[tex]\text{R0 = R0}[/tex] * R2; /* R0 = bx */
[tex]\text{R0 = R0 + R1}[/tex]; /*R0 = [tex]bx + cx^2[/tex] */
[tex]\text{R2 = C}[/tex];
[tex]\text{R0 = R0 + R2}[/tex]; /*R0 = a+bx+cx^2 */
[tex]\text{R1 = stack[0];}[/tex]
[tex]\text{ R2 = stack[1];}[/tex]
[tex]\text{ return R0;}[/tex]
}
/*[tex]\text{ARM code to implement the following C operation}[/tex]
int s=0;
[tex]\text{for ( i = 0; i < 10; i++)}[/tex]
{ [tex]\text{s = s + i } \times i[/tex];)
*/
AREA SumSquares, code, readWrite
ENTRY
[tex]\text{MOV r0, #0}[/tex] ;loop [tex]\text{ counter i present at 0}[/tex]
MOV r1, #0 ; s = 0
Loop [tex]\text{MUL r2, r0, r0}[/tex] ;calculate i*i
[tex]\text{ADD r1, r1, r2}[/tex] ;s = s+ i*i
[tex]\text{ADDS r0, r0}[/tex], #1 ; i = i+1
[tex]\text{CMP r0}[/tex],#10 ; test for end
[tex]\text{BNE}[/tex] Loop ; [tex]\text{continue until all added}[/tex]
END
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