gcc/testsuite/gcc.dg/vect/slp-11c.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-require-effective-target vect_float } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 8
   8
   9 int
  10 main1 ()
  11 {
  12   int i;
  13   unsigned int in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
  14   float out[N*8];
  15
  16   /* Different operations - we SLP the store and split the group to two
  17      single-lane branches.  */
  18   for (i = 0; i < N*4; i++)
  19     {
  20       out[i*2] = ((float) in[i*2] * 2 + 6) ;
  21       out[i*2 + 1] = (float) (in[i*2 + 1] * 3 + 7);
  22     }
  23
  24   /* check results:  */
  25 #pragma GCC novector
  26   for (i = 0; i < N*4; i++)
  27     {
  28       if (out[i*2] !=  ((float) in[i*2] * 2 + 6)
  29          || out[i*2 + 1] != (float) (in[i*2 + 1] * 3 + 7))
  30         abort ();
  31     }
  32
  33
  34   return 0;
  35 }
  36
  37 int main (void)
  38 {
  39   check_vect ();
  40
  41   main1 ();
  42
  43   return 0;
  44 }
  45
  46 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { { vect_uintfloat_cvt && vect_strided2 } && vect_int_mult } } } } */
  47 /* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" { target { ! { { vect_uintfloat_cvt && vect_strided2 } && vect_int_mult } } } } } */
  48 /* { dg-final { scan-tree-dump "LOAD_LANES" "vect" { target { vect_load_lanes } } } } */