gcc/testsuite/gcc.target/aarch64/vector_initialization_nostack.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -ftree-vectorize -fno-vect-cost-model" } */
   3 float arr_f[100][100];
   4 float
   5 f9 (void)
   6 {
   7
   8   int i;
   9   float sum = 0;
  10   for (i = 0; i < 100; i++)
  11     sum += arr_f[i][0] * arr_f[0][i];
  12   return sum;
  13
  14 }
  15
  16
  17 int arr[100][100];
  18 int
  19 f10 (void)
  20 {
  21
  22   int i;
  23   int sum = 0;
  24   for (i = 0; i < 100; i++)
  25     sum += arr[i][0] * arr[0][i];
  26   return sum;
  27
  28 }
  29
  30 double arr_d[100][100];
  31 double
  32 f11 (void)
  33 {
  34   int i;
  35   double sum = 0;
  36   for (i = 0; i < 100; i++)
  37     sum += arr_d[i][0] * arr_d[0][i];
  38   return sum;
  39 }
  40
  41 char arr_c[100];
  42 char
  43 f12 (void)
  44 {
  45   int i;
  46   char sum = 0;
  47   for (i = 0; i < 100; i++)
  48     sum += arr_c[i] * arr_c[i];
  49   return sum;
  50 }
  51
  52 /* Fails for fixed-length SVE because we lack a vec_init pattern.
  53    A later patch fixes this in generic code.  */
  54 /* { dg-final { scan-assembler-not "sp" { xfail { aarch64_sve && { ! vect_variable_length } } } } } */