gcc/testsuite/gcc.target/aarch64/lr_free_1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fno-inline -O2 -fomit-frame-pointer -ffixed-x2 -ffixed-x3 -ffixed-x4 -ffixed-x5 -ffixed-x6 -ffixed-x7 -ffixed-x8 -ffixed-x9 -ffixed-x10 -ffixed-x11 -ffixed-x12 -ffixed-x13 -ffixed-x14 -ffixed-x15 -ffixed-x16 -ffixed-x17 -ffixed-x18 -ffixed-x19 -ffixed-x20 -ffixed-x21 -ffixed-x22 -ffixed-x23 -ffixed-x24 -ffixed-x25 -ffixed-x26 -ffixed-x27 -ffixed-28 -ffixed-29 --save-temps -mgeneral-regs-only -fno-ipa-cp -fno-schedule-fusion -fno-peephole2" } */
   3
   4 extern void abort ();
   5
   6 int
   7 dec (int a, int b)
   8 {
   9   return a + b;
  10 }
  11
  12 int
  13 cal (int a, int b)
  14 {
  15   int sum1 = a * b;
  16   int sum2 = a / b;
  17   int sum = dec (sum1, sum2);
  18   return a + b + sum + sum1 + sum2;
  19 }
  20
  21 int
  22 main (int argc, char **argv)
  23 {
  24   int ret = cal (2, 1);
  25
  26   if (ret != 11)
  27     abort ();
  28
  29   return 0;
  30 }
  31
  32 /* { dg-final { scan-assembler-times "str\tx30, \\\[sp, -\[0-9\]+\\\]!" 2 } } */
  33 /* { dg-final { scan-assembler "str\tw30, \\\[sp, \[0-9\]+\\\]" } } */
  34
  35 /* { dg-final { scan-assembler "ldr\tw30, \\\[sp, \[0-9\]+\\\]" } } */
  36 /* { dg-final { scan-assembler-times "ldr\tx30, \\\[sp\\\], \[0-9\]+" 2 } } */
  37