gcc/testsuite/gcc.target/avr/pr60040-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Os" } */
   3
   4 float dhistory[10];
   5 float test;
   6
   7 float getSlope(float history[]) {
   8   float sumx = 0;
   9   float sumy = 0;
  10   float sumxy = 0;
  11   float sumxsq = 0;
  12   float rate = 0;
  13   int n = 10;
  14
  15   int i;
  16   for (i=1; i< 11; i++) {
  17     sumx = sumx + i;
  18     sumy = sumy + history[i-1];
  19     sumy = sumy + history[i-1];
  20     sumxsq = sumxsq + (i*i);
  21   }
  22
  23   rate = sumy+sumx+sumxsq;
  24   return rate;
  25 }
  26
  27 void loop() {
  28   test = getSlope(dhistory);
  29 }