gcc/testsuite/gcc.dg/vect/vect-42.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 -msse" { target i?86-*-* x86_64-*-* } } */
   5
   6 #include <stdarg.h>
   7 #include "tree-vect.h"
   8
   9 #define N 256
  10
  11 typedef float afloat __attribute__ ((__aligned__(16)));
  12
  13 void bar (afloat *pa, afloat *pb, afloat *pc)
  14 {
  15   int i;
  16
  17   /* check results:  */
  18   for (i = 0; i < N; i++)
  19     {
  20       if (pa[i] != (pb[i] * pc[i]))
  21         abort ();
  22     }
  23
  24   return;
  25 }
  26
  27
  28 int
  29 main1 (afloat * __restrict__ pa)
  30 {
  31   int i;
  32   afloat pb[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
  33   afloat pc[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
  34
  35
  36   for (i = 0; i < N; i++)
  37     {
  38       pa[i] = pb[i] * pc[i];
  39     }
  40
  41   return 0;
  42 }
  43
  44 int main (void)
  45 {
  46   int i;
  47   afloat a[N];
  48   afloat b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
  49   afloat c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
  50
  51   check_vect ();
  52
  53   main1 (a);
  54   bar (a,b,c);
  55   return 0;
  56 }
  57
  58 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"} } */