gcc/testsuite/gcc.target/i386/avx256-unaligned-store-6.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx } */
   3 /* { dg-options "-O3 -dp -mavx -mavx256-split-unaligned-store" } */
   4
   5 #include "avx-check.h"
   6
   7 #define N 4
   8
   9 double a[N] = { 24.43, 68.346, 43.35, 546.46 };
  10 double b[N+3];
  11 double c[N+3];
  12
  13 void
  14 foo (void)
  15 {
  16   int i;
  17
  18   for (i = 0; i < N; i++)
  19     b[i+3] = a[i] * 2;
  20 }
  21
  22 __attribute__ ((noinline))
  23 double
  24 bar (double x)
  25 {
  26   return x * 2;
  27 }
  28
  29 void
  30 avx_test (void)
  31 {
  32   int i;
  33
  34   foo ();
  35
  36   for (i = 0; i < N; i++)
  37     c[i+3] = bar (a[i]);
  38
  39   for (i = 0; i < N; i++)
  40     if (b[i+3] != c[i+3])
  41       abort ();
  42 }