gcc/testsuite/gcc.target/aarch64/ldp_stp_7.c

   1 /* { dg-options "-O2" } */
   2
   3 struct pair
   4 {
   5   double a;
   6   long long int b;
   7 };
   8
   9 void
  10 stp (struct pair *p)
  11 {
  12   p->a = 0.0;
  13   p->b = 1;
  14 }
  15
  16 /* { dg-final { scan-assembler "stp\txzr, x\[0-9\]+, \\\[x\[0-9\]+\\\]" } } */
  17
  18 void
  19 stp2 (struct pair *p)
  20 {
  21   p->a = 0.0;
  22   p->b = 0;
  23 }
  24
  25 struct reverse_pair
  26 {
  27   long long int a;
  28   double b;
  29 };
  30
  31 void
  32 stp_reverse (struct reverse_pair *p)
  33 {
  34   p->a = 1;
  35   p->b = 0.0;
  36 }
  37
  38 /* { dg-final { scan-assembler "stp\tx\[0-9\]+, xzr, \\\[x\[0-9\]+\\\]" } } */
  39
  40 void
  41 stp_reverse2 (struct reverse_pair *p)
  42 {
  43   p->a = 0;
  44   p->b = 0.0;
  45 }
  46
  47 /* { dg-final { scan-assembler-times "stp\txzr, xzr, \\\[x\[0-9\]+\\\]" 2 } } */