gcc/testsuite/gcc.target/i386/sse3-movshdup.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_movshdup_reg (float *i1, float *r)
  19 {
  20   __m128 t1 = _mm_loadu_ps (i1);
  21   __m128 t2 = _mm_movehdup_ps (t1);
  22
  23   _mm_storeu_ps (r, t2);
  24 }
  25
  26 static void
  27 sse3_test_movshdup_reg_subsume (float *i1, float *r)
  28 {
  29   __m128 t1 = _mm_load_ps (i1);
  30   __m128 t2 = _mm_movehdup_ps (t1);
  31
  32   _mm_storeu_ps (r, t2);
  33 }
  34
  35 static int
  36 chk_ps (float *v1, float *v2)
  37 {
  38   int i;
  39   int n_fails = 0;
  40
  41   for (i = 0; i < 4; i++)
  42     if (v1[i] != v2[i])
  43       n_fails += 1;
  44
  45   return n_fails;
  46 }
  47
  48 static float p1[4] __attribute__ ((aligned(16)));
  49 static float p2[4];
  50 static float ck[4];
  51
  52 static float vals[80] =
  53   {
  54     100.0,  200.0, 300.0, 400.0, 5.0, -1.0, .345, -21.5,
  55     1100.0, 0.235, 321.3, 53.40, 0.3, 10.0, 42.0, 32.52,
  56     32.6,   123.3, 1.234, 2.156, 0.1, 3.25, 4.75, 32.44,
  57     12.16,  52.34, 64.12, 71.13, -.1, 2.30, 5.12, 3.785,
  58     541.3,  321.4, 231.4, 531.4, 71., 321., 231., -531.,
  59     23.45,  23.45, 23.45, 23.45, 23.45, 23.45, 23.45, 23.45,
  60     23.45,  -1.43, -6.74, 6.345, -20.1, -20.1, -40.1, -40.1,
  61     1.234,  2.345, 3.456, 4.567, 5.678, 6.789, 7.891, 8.912,
  62     -9.32,  -8.41, -7.50, -6.59, -5.68, -4.77, -3.86, -2.95,
  63     9.32,  8.41, 7.50, 6.59, -5.68, -4.77, -3.86, -2.95
  64   };
  65
  66 static void
  67 TEST (void)
  68 {
  69   int i;
  70   int fail = 0;
  71
  72   for (i = 0; i < 80; i += 2)
  73     {
  74       p1[0] = 0.0;
  75       p1[1] = vals[i+0];
  76       p1[2] = 1.0;
  77       p1[3] = vals[i+1];
  78
  79       ck[0] = p1[1];
  80       ck[1] = p1[1];
  81       ck[2] = p1[3];
  82       ck[3] = p1[3];
  83
  84       sse3_test_movshdup_reg (p1, p2);
  85
  86       fail += chk_ps (ck, p2);
  87
  88       sse3_test_movshdup_reg_subsume (p1, p2);
  89
  90       fail += chk_ps (ck, p2);
  91     }
  92
  93   if (fail != 0)
  94     abort ();
  95 }