gcc/testsuite/gcc.dg/vect/vect-48.c

   1 /* { dg-do run { target powerpc*-*-* } } */
   2 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   3 /* { dg-do run { target mipsisa64*-*-* } } */
   4 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -maltivec" { target powerpc*-*-* } } */
   5 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -msse2" { target i?86-*-* x86_64-*-* } } */
   6 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -mpaired-single" { target mipsisa64*-*-* } } */
   7
   8 #include <stdarg.h>
   9 #include "tree-vect.h"
  10
  11 #define N 256
  12
  13 typedef float afloat __attribute__ ((__aligned__(16)));
  14
  15 void bar (float *pa, float *pb, float *pc)
  16 {
  17   int i;
  18
  19   /* check results:  */
  20   for (i = 0; i < N; i++)
  21     {
  22       if (pa[i] != (pb[i] * pc[i]))
  23         abort ();
  24     }
  25
  26   return;
  27 }
  28
  29
  30 int
  31 main1 (afloat * __restrict__ pa, float * __restrict__ pb, float * __restrict__ pc)
  32 {
  33   int i;
  34
  35   for (i = 0; i < N; i++)
  36     {
  37       pa[i] = pb[i] * pc[i];
  38     }
  39
  40   bar (pa,pb,pc);
  41
  42   return 0;
  43 }
  44
  45 int main (void)
  46 {
  47   int i;
  48   afloat a[N];
  49   afloat b[N+1] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};
  50   afloat c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
  51
  52   check_vect ();
  53
  54   main1 (a,b,c);
  55   main1 (a,&b[1],c);
  56
  57   return 0;
  58 }
  59
  60 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail i?86-*-* x86_64-*-* mipsisa64*-*-* } } } */