summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/vect/pr45752.c
blob: 755205b275a63821be3c68ede49e09eaa820bc07 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
/* { dg-require-effective-target vect_int } */
/* { dg-require-effective-target vect_perm } */
/* { dg-additional-options "--param tree-reassoc-width=1" } */

#include <stdarg.h>
#include "tree-vect.h"

#define M00 100
#define M10 216
#define M20 23
#define M30 237
#define M40 437

#define M01 1322
#define M11 13
#define M21 27271
#define M31 2280
#define M41 284

#define M02 74
#define M12 191
#define M22 500
#define M32 111
#define M42 1114

#define M03 134
#define M13 117
#define M23 11
#define M33 771
#define M43 71

#define M04 334
#define M14 147
#define M24 115
#define M34 7716
#define M44 16

#if VECTOR_BITS > 128
#define N (VECTOR_BITS * 5 / 32)
#else
#define N 20
#endif

void foo (unsigned int *__restrict__ pInput,
          unsigned int *__restrict__ pOutput,
          unsigned int *__restrict__ pInput2,
          unsigned int *__restrict__ pOutput2)
{
  unsigned int i, a, b, c, d, e;

  for (i = 0; i < N / 5; i++)
    {
       a = *pInput++;
       b = *pInput++;
       c = *pInput++;
       d = *pInput++;
       e = *pInput++;

       *pOutput++ = M00 * a + M01 * b + M02 * c + M03 * d + M04 * e;
       *pOutput++ = M10 * a + M11 * b + M12 * c + M13 * d + M14 * e;
       *pOutput++ = M20 * a + M21 * b + M22 * c + M23 * d + M24 * e;
       *pOutput++ = M30 * a + M31 * b + M32 * c + M33 * d + M34 * e;
       *pOutput++ = M40 * a + M41 * b + M42 * c + M43 * d + M44 * e;


       a = *pInput2++;
       b = *pInput2++;
       c = *pInput2++;
       d = *pInput2++;
       e = *pInput2++;

       *pOutput2++ = M00 * a + M01 * b + M02 * c + M03 * d + M04 * e;
       *pOutput2++ = M10 * a + M11 * b + M12 * c + M13 * d + M14 * e;
       *pOutput2++ = M20 * a + M21 * b + M22 * c + M23 * d + M24 * e;
       *pOutput2++ = M30 * a + M31 * b + M32 * c + M33 * d + M34 * e;
       *pOutput2++ = M40 * a + M41 * b + M42 * c + M43 * d + M44 * e;

    }
}

int main (int argc, const char* argv[])
{
  unsigned int input[N], output[N], i, input2[N], output2[N];

  check_vect ();

  for (i = 0; i < N; i++)
    {
      input[i] = i%256;
      input2[i] = i + 2;
      output[i] = 0;
      output2[i] = 0;
      __asm__ volatile ("");
    }

#if N == 20
  unsigned int check_results[N]
    = { 3208, 1334, 28764, 35679, 2789, 13028, 4754, 168364, 91254, 12399, 
	22848, 8174, 307964, 146829, 22009, 32668, 11594, 447564, 202404,
	31619 };
  unsigned int check_results2[N]
    = { 7136, 2702, 84604, 57909, 6633, 16956, 6122, 224204, 113484, 16243, 
	26776, 9542, 363804, 169059, 25853, 36596, 12962, 503404, 224634,
	35463 };
#else
  volatile unsigned int check_results[N];
  volatile unsigned int check_results2[N];

  for (i = 0; i < N / 5; i++)
    {
      unsigned int a = input[i * 5];
      unsigned int b = input[i * 5 + 1];
      unsigned int c = input[i * 5 + 2];
      unsigned int d = input[i * 5 + 3];
      unsigned int e = input[i * 5 + 4];

      check_results[i * 5] = M00 * a + M01 * b + M02 * c + M03 * d + M04 * e;
      check_results[i * 5 + 1] = (M10 * a + M11 * b + M12 * c
				  + M13 * d + M14 * e);
      check_results[i * 5 + 2] = (M20 * a + M21 * b + M22 * c
				  + M23 * d + M24 * e);
      check_results[i * 5 + 3] = (M30 * a + M31 * b + M32 * c
				  + M33 * d + M34 * e);
      check_results[i * 5 + 4] = (M40 * a + M41 * b + M42 * c
				  + M43 * d + M44 * e);

      a = input2[i * 5];
      b = input2[i * 5 + 1];
      c = input2[i * 5 + 2];
      d = input2[i * 5 + 3];
      e = input2[i * 5 + 4];

      check_results2[i * 5] = M00 * a + M01 * b + M02 * c + M03 * d + M04 * e;
      check_results2[i * 5 + 1]	= (M10 * a + M11 * b + M12 * c
				   + M13 * d + M14 * e);
      check_results2[i * 5 + 2]	= (M20 * a + M21 * b + M22 * c
				   + M23 * d + M24 * e);
      check_results2[i * 5 + 3]	= (M30 * a + M31 * b + M32 * c
				   + M33 * d + M34 * e);
      check_results2[i * 5 + 4] = (M40 * a + M41 * b + M42 * c
				   + M43 * d + M44 * e);

      asm volatile ("" ::: "memory");
    }
#endif

  foo (input, output, input2, output2);

  for (i = 0; i < N; i++)
    if (output[i] != check_results[i]
        || output2[i] != check_results2[i])
      abort ();

  return 0;
}

/* Currently interleaving is not supported for a group-size of 5.  */

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
/* { dg-final { scan-tree-dump-times "gaps requires scalar epilogue loop" 0 "vect" } } */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" { xfail { vect_gather_scatter && { ! vect_perm5_int } } } } } */