gcc/testsuite/gcc.target/i386/sse3-lddqu.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target sse3 } */
   3 /* { dg-options "-O2 -msse3 -mfpmath=sse" } */
   4
   5 #ifndef CHECK_H
   6 #define CHECK_H "sse3-check.h"
   7 #endif
   8
   9 #ifndef TEST
  10 #define TEST sse3_test
  11 #endif
  12
  13 #include CHECK_H
  14 #include <pmmintrin.h>
  15
  16 static void
  17 sse3_test_lddqu (double *i1, double *r)
  18 {
  19   __m128i t1 = _mm_lddqu_si128 ((__m128i *) i1);
  20
  21   _mm_storeu_si128 ((__m128i *) r, t1);
  22 }
  23
  24 static int
  25 chk_pd (double *v1, double *v2)
  26 {
  27   int i;
  28   int n_fails = 0;
  29
  30   for (i = 0; i < 2; i++)
  31     if (v1[i] != v2[i])
  32       n_fails += 1;
  33
  34   return n_fails;
  35 }
  36
  37 static double p1[2];
  38 static double p2[2];
  39 static double ck[2];
  40
  41 static double vals[80] =
  42   {
  43     100.0,  200.0, 300.0, 400.0, 5.0, -1.0, .345, -21.5,
  44     1100.0, 0.235, 321.3, 53.40, 0.3, 10.0, 42.0, 32.52,
  45     32.6,   123.3, 1.234, 2.156, 0.1, 3.25, 4.75, 32.44,
  46     12.16,  52.34, 64.12, 71.13, -.1, 2.30, 5.12, 3.785,
  47     541.3,  321.4, 231.4, 531.4, 71., 321., 231., -531.,
  48     23.45,  23.45, 23.45, 23.45, 23.45, 23.45, 23.45, 23.45,
  49     23.45,  -1.43, -6.74, 6.345, -20.1, -20.1, -40.1, -40.1,
  50     1.234,  2.345, 3.456, 4.567, 5.678, 6.789, 7.891, 8.912,
  51     -9.32,  -8.41, -7.50, -6.59, -5.68, -4.77, -3.86, -2.95,
  52     9.32,  8.41, 7.50, 6.59, -5.68, -4.77, -3.86, -2.95
  53   };
  54
  55 static void
  56 TEST (void)
  57 {
  58   int i;
  59   int fail = 0;
  60
  61   for (i = 0; i < 80; i += 2)
  62     {
  63       p1[0] = vals[i+0];
  64       p1[1] = vals[i+1];
  65
  66       sse3_test_lddqu (p1, p2);
  67
  68       ck[0] = p1[0];
  69       ck[1] = p1[1];
  70
  71       fail += chk_pd (ck, p2);
  72     }
  73
  74   if (fail != 0)
  75     abort ();
  76 }