gcc/testsuite/gcc.target/aarch64/stp_1.c

   1 /* { dg-options "-O -fpeephole2" } */
   2
   3 int res[2];
   4
   5 void
   6 f1 (int x, int y)
   7 {
   8   res[0] = res[1] = x + y;
   9 }
  10
  11 void
  12 f2 (int x, int y, int *res)
  13 {
  14   res[0] = res[1] = x + y;
  15 }
  16
  17 void
  18 f3 (int x, int y)
  19 {
  20   res[1] = res[0] = x + y;
  21 }
  22
  23 void
  24 f4 (int x, int y, int *res)
  25 {
  26   res[1] = res[0] = x + y;
  27 }
  28
  29 /* { dg-final { scan-assembler-times {\tstp\t} 4 } } */