gcc/testsuite/gcc.dg/i386-sse-9.c

   1 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   2 /* { dg-options "-O2 -msse" } */
   3 #include <xmmintrin.h>
   4 #include <stdlib.h>
   5 #include <stddef.h>
   6 #include <string.h>
   7
   8 int
   9 main()
  10 {
  11   int alignment, n;
  12   void *ptr;
  13   int errors = 0;
  14   const char test [] = "This is a test.";
  15
  16   for (alignment = 1; alignment <= (1 << 20); alignment += alignment)
  17     {
  18       ptr = _mm_malloc (alignment, alignment);
  19       if (((ptrdiff_t) ptr) & (alignment - 1))
  20         abort ();
  21       if (ptr)
  22         {
  23           n = alignment > sizeof test ? sizeof test : alignment;
  24           memcpy (ptr, test, n);
  25           if (memcmp (ptr, test, n) != 0)
  26             errors++;
  27           _mm_free (ptr);
  28         }
  29       else
  30         errors++;
  31     }
  32
  33   if (errors != 0)
  34     abort ();
  35   exit (0);
  36 }