gcc/testsuite/gcc.target/arm/pr42505.c

   1 /* { dg-options "-Os" }  */
   2 /* { dg-final { scan-assembler-not "str\[\\t \]*r.,\[\\t \]*.sp," } } */
   3
   4 struct A {
   5  int f1;
   6  int f2;
   7 };
   8
   9 int func(int c);
  10
  11 /* This function should not need to spill anything to the stack.  */
  12 int test(struct A* src, struct A* dst, int count)
  13 {
  14   while (count--) {
  15     if (!func(src->f2)) {
  16         return 0;
  17       }
  18       *dst++ = *src++;
  19   }
  20
  21   return 1;
  22 }