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

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse" } */
   3 /* { dg-require-effective-target sse } */
   4
   5 #include "sse-check.h"
   6
   7 #include <xmmintrin.h>
   8 #include <stddef.h>
   9 #include <string.h>
  10
  11 static void
  12 sse_test (void)
  13 {
  14   int alignment, n;
  15   void *ptr;
  16   int errors = 0;
  17   const char test [] = "This is a test.";
  18
  19   for (alignment = 1; alignment <= (1 << 20); alignment += alignment)
  20     {
  21       ptr = _mm_malloc (alignment, alignment);
  22       if (((ptrdiff_t) ptr) & (alignment - 1))
  23         abort ();
  24       if (ptr)
  25         {
  26           n = alignment > sizeof test ? sizeof test : alignment;
  27           memcpy (ptr, test, n);
  28           if (memcmp (ptr, test, n) != 0)
  29             errors++;
  30           _mm_free (ptr);
  31         }
  32       else
  33         errors++;
  34     }
  35
  36   if (errors != 0)
  37     abort ();
  38 }