force xc16 compiler to compile some portion of code in optimization s (Abdul_Wahid)

hello guys. peace be upon every human.want to compile all portions of long code while my compiler xc16 v 1.31 is in optimization level s. following is the portion of code.int x,y;
TRISB=1;
while(1)
{
for(x=0;x<1000;x++)
{