gcc/testsuite/gcc.target/i386/sse3-movddup.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
  15 #include <pmmintrin.h>
  16
  17 static void
  18 sse3_test_movddup_mem (double *i1, double *r)
  19 {
  20   __m128d t1 = _mm_loaddup_pd (i1);
  21
  22   _mm_storeu_pd (r, t1);
  23 }
  24
  25 static double cnst1 [2] = {1.0, 1.0};
  26
  27 static void
  28 sse3_test_movddup_reg (double *i1, double *r)
  29 {
  30   __m128d t1 = _mm_loadu_pd (i1);
  31   __m128d t2 = _mm_loadu_pd (&cnst1[0]);
  32
  33   t1  = _mm_mul_pd (t1, t2);
  34   t2  = _mm_movedup_pd (t1);
  35
  36   _mm_storeu_pd (r, t2);
  37 }
  38
  39 static void
  40 sse3_test_movddup_reg_subsume_unaligned (double *i1, double *r)
  41 {
  42   __m128d t1 = _mm_loadu_pd (i1);
  43   __m128d t2 = _mm_movedup_pd (t1);
  44
  45   _mm_storeu_pd (r, t2);
  46 }
  47
  48 static void
  49 sse3_test_movddup_reg_subsume_ldsd (double *i1, double *r)
  50 {
  51   __m128d t1 = _mm_load_sd (i1);
  52   __m128d t2 = _mm_movedup_pd (t1);
  53
  54   _mm_storeu_pd (r, t2);
  55 }
  56
  57 static void
  58 sse3_test_movddup_reg_subsume (double *i1, double *r)
  59 {
  60   __m128d t1 = _mm_load_pd (i1);
  61   __m128d t2 = _mm_movedup_pd (t1);
  62
  63   _mm_storeu_pd (r, t2);
  64 }
  65
  66 static int
  67 chk_pd (double *v1, double *v2)
  68 {
  69   int i;
  70   int n_fails = 0;
  71
  72   for (i = 0; i < 2; i++)
  73     if (v1[i] != v2[i])
  74       n_fails += 1;
  75
  76   return n_fails;
  77 }
  78
  79 static double p1[2] __attribute__ ((aligned(16)));
  80 static double p2[2];
  81 static double ck[2];
  82
  83 static double vals[80] =
  84   {
  85     100.0,  200.0, 300.0, 400.0, 5.0, -1.0, .345, -21.5,
  86     1100.0, 0.235, 321.3, 53.40, 0.3, 10.0, 42.0, 32.52,
  87     32.6,   123.3, 1.234, 2.156, 0.1, 3.25, 4.75, 32.44,
  88     12.16,  52.34, 64.12, 71.13, -.1, 2.30, 5.12, 3.785,
  89     541.3,  321.4, 231.4, 531.4, 71., 321., 231., -531.,
  90     23.45,  23.45, 23.45, 23.45, 23.45, 23.45, 23.45, 23.45,
  91     23.45,  -1.43, -6.74, 6.345, -20.1, -20.1, -40.1, -40.1,
  92     1.234,  2.345, 3.456, 4.567, 5.678, 6.789, 7.891, 8.912,
  93     -9.32,  -8.41, -7.50, -6.59, -5.68, -4.77, -3.86, -2.95,
  94     9.32,  8.41, 7.50, 6.59, -5.68, -4.77, -3.86, -2.95
  95   };
  96
  97 static void
  98 TEST (void)
  99 {
 100   int i;
 101   int fail = 0;
 102
 103   for (i = 0; i < 80; i += 1)
 104     {
 105       p1[0] = vals[i+0];
 106
 107       ck[0] = p1[0];
 108       ck[1] = p1[0];
 109
 110       sse3_test_movddup_mem (p1, p2);
 111
 112       fail += chk_pd (ck, p2);
 113
 114       sse3_test_movddup_reg (p1, p2);
 115
 116       fail += chk_pd (ck, p2);
 117
 118       sse3_test_movddup_reg_subsume (p1, p2);
 119
 120       fail += chk_pd (ck, p2);
 121
 122       sse3_test_movddup_reg_subsume_unaligned (p1, p2);
 123
 124       fail += chk_pd (ck, p2);
 125
 126       sse3_test_movddup_reg_subsume_ldsd (p1, p2);
 127
 128       fail += chk_pd (ck, p2);
 129     }
 130
 131   if (fail != 0)
 132     abort ();
 133 }