gcc/testsuite/gcc.dg/vect/vect-50.c

   1 /* { dg-do run { target powerpc*-*-* } } */
   2 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   3 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -maltivec" { target powerpc*-*-* } } */
   4 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -msse2" { target i?86-*-* x86_64-*-* } } */
   5
   6 #include <stdarg.h>
   7 #include "tree-vect.h"
   8
   9 #define N 256
  10
  11
  12 void bar (float *pa, float *pb, float *pc)
  13 {
  14   int i;
  15
  16   /* check results:  */
  17   for (i = 0; i < N; i++)
  18     {
  19       if (pa[i] != (pb[i] * pc[i]))
  20         abort ();
  21     }
  22
  23   return;
  24 }
  25
  26
  27 int
  28 main1 (int n, float * __restrict__ pa, float * __restrict__ pb, float * __restrict__ pc)
  29 {
  30   int i;
  31
  32   for (i = 0; i < n; i++)
  33     {
  34       pa[i] = pb[i] * pc[i];
  35     }
  36
  37   bar (pa,pb,pc);
  38
  39   return 0;
  40 }
  41
  42 int main (void)
  43 {
  44   int i;
  45   float a[N];
  46   float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
  47   float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
  48
  49   check_vect ();
  50
  51   main1 (N,a,b,c);
  52   return 0;
  53 }
  54
  55 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */