gcc/testsuite/gcc.target/i386/avx256-unaligned-load-7.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx } */
   3 /* { dg-options "-O3 -dp -mavx -mavx256-split-unaligned-load" } */
   4
   5 #include "avx-check.h"
   6
   7 #define N 128
   8
   9 char **ep;
  10 char **fp;
  11 char **mp;
  12 char **lp;
  13 extern int strcmp (const char *, const char *);
  14
  15 __attribute__ ((noinline))
  16 void
  17 foo (void)
  18 {
  19   mp = (char **) malloc (N);
  20   lp = (char **) malloc (N);
  21   ep = (char **) malloc (N);
  22   fp = (char **) malloc (N);
  23 }
  24
  25 void
  26 avx_test (void)
  27 {
  28   int i;
  29   char **ap, **bp, **cp, **dp;
  30   char *str = "STR";
  31
  32   foo ();
  33
  34   cp = mp;
  35   dp = lp;
  36
  37   for (i = N; i > 0; i--)
  38     {
  39       *cp++ = str;
  40       *dp++ = str;
  41     }
  42
  43   ap = ep;
  44   bp = fp;
  45   cp = mp;
  46   dp = lp;
  47
  48   for (i = N; i > 0; i--)
  49     {
  50       *ap++ = *cp++;
  51       *bp++ = *dp++;
  52     }
  53
  54   for (i = N; i > 0; i--)
  55     {
  56       if (strcmp (*--ap, "STR") != 0)
  57         abort ();
  58       if (strcmp (*--bp, "STR") != 0)
  59         abort ();
  60     }
  61 }