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

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse3 -mfpmath=sse" } */
   3
   4 #include "sse3-check.h"
   5
   6 #include <pmmintrin.h>
   7
   8 static void
   9 sse3_test_movddup_mem (double *i1, double *r)
  10 {
  11   __m128d t1 = _mm_loaddup_pd (i1);
  12
  13   _mm_storeu_pd (r, t1);
  14 }
  15
  16 static double cnst1 [2] = {1.0, 1.0};
  17
  18 static void
  19 sse3_test_movddup_reg (double *i1, double *r)
  20 {
  21   __m128d t1 = _mm_loadu_pd (i1);
  22   __m128d t2 = _mm_loadu_pd (&cnst1[0]);
  23
  24   t1  = _mm_mul_pd (t1, t2);
  25   t2  = _mm_movedup_pd (t1);
  26
  27   _mm_storeu_pd (r, t2);
  28 }
  29
  30 static void
  31 sse3_test_movddup_reg_subsume_unaligned (double *i1, double *r)
  32 {
  33   __m128d t1 = _mm_loadu_pd (i1);
  34   __m128d t2 = _mm_movedup_pd (t1);
  35
  36   _mm_storeu_pd (r, t2);
  37 }
  38
  39 static void
  40 sse3_test_movddup_reg_subsume_ldsd (double *i1, double *r)
  41 {
  42   __m128d t1 = _mm_load_sd (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 (double *i1, double *r)
  50 {
  51   __m128d t1 = _mm_load_pd (i1);
  52   __m128d t2 = _mm_movedup_pd (t1);
  53
  54   _mm_storeu_pd (r, t2);
  55 }
  56
  57 static int
  58 chk_pd (double *v1, double *v2)
  59 {
  60   int i;
  61   int n_fails = 0;
  62
  63   for (i = 0; i < 2; i++)
  64     if (v1[i] != v2[i])
  65       n_fails += 1;
  66
  67   return n_fails;
  68 }
  69
  70 static double p1[2] __attribute__ ((aligned(16)));
  71 static double p2[2];
  72 static double ck[2];
  73
  74 static double vals[80] =
  75   {
  76     100.0,  200.0, 300.0, 400.0, 5.0, -1.0, .345, -21.5,
  77     1100.0, 0.235, 321.3, 53.40, 0.3, 10.0, 42.0, 32.52,
  78     32.6,   123.3, 1.234, 2.156, 0.1, 3.25, 4.75, 32.44,
  79     12.16,  52.34, 64.12, 71.13, -.1, 2.30, 5.12, 3.785,
  80     541.3,  321.4, 231.4, 531.4, 71., 321., 231., -531.,
  81     23.45,  23.45, 23.45, 23.45, 23.45, 23.45, 23.45, 23.45,
  82     23.45,  -1.43, -6.74, 6.345, -20.1, -20.1, -40.1, -40.1,
  83     1.234,  2.345, 3.456, 4.567, 5.678, 6.789, 7.891, 8.912,
  84     -9.32,  -8.41, -7.50, -6.59, -5.68, -4.77, -3.86, -2.95,
  85     9.32,  8.41, 7.50, 6.59, -5.68, -4.77, -3.86, -2.95
  86   };
  87
  88 static void
  89 sse3_test (void)
  90 {
  91   int i;
  92   int fail = 0;
  93
  94   for (i = 0; i < 80; i += 1)
  95     {
  96       p1[0] = vals[i+0];
  97
  98       ck[0] = p1[0];
  99       ck[1] = p1[0];
 100
 101       sse3_test_movddup_mem (p1, p2);
 102
 103       fail += chk_pd (ck, p2);
 104
 105       sse3_test_movddup_reg (p1, p2);
 106
 107       fail += chk_pd (ck, p2);
 108
 109       sse3_test_movddup_reg_subsume (p1, p2);
 110
 111       fail += chk_pd (ck, p2);
 112
 113       sse3_test_movddup_reg_subsume_unaligned (p1, p2);
 114
 115       fail += chk_pd (ck, p2);
 116
 117       sse3_test_movddup_reg_subsume_ldsd (p1, p2);
 118
 119       fail += chk_pd (ck, p2);
 120     }
 121
 122   if (fail != 0)
 123     abort ();
 124 }