gcc/testsuite/gcc.target/arm/vect-vcvt.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target arm_neon_ok } */
   3 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details -mvectorize-with-neon-double" } */
   4 /* { dg-add-options arm_neon } */
   5
   6 #define N 32
   7
   8 int ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
   9 float fa[N];
  10 int ia[N];
  11
  12 int convert()
  13 {
  14   int i;
  15
  16   /* int -> float */
  17   for (i = 0; i < N; i++)
  18     fa[i] = (float) ib[i];
  19
  20   /* float -> int */
  21   for (i = 0; i < N; i++)
  22     ia[i] = (int) fa[i];
  23
  24   return 0;
  25 }
  26
  27 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */