summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.target/i386/mmx-4.c
blob: 05d2b553b56377c52893ce8425ae7896724b2a91 (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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
/* { dg-do run } */
/* { dg-options "-O2 -mmmx" } */

#include "mmx-check.h"

#include <mmintrin.h>
#include <string.h>

#define SHIFT (4)

typedef union {
  __m64 v;
  unsigned char c[8];
  unsigned short int s[4];
  unsigned long long t;
  unsigned int u[2];
}vecInWord;

void mmx_tests (void) __attribute__((noinline));
void dump64_16 (char *, char *, vecInWord);
void dump64_32 (char *, char *, vecInWord);
void dump64_64 (char *, char *, vecInWord);
int check (const char *, const char *[]);

char buf[8000];
char comparison[8000];
static int errors = 0;

vecInWord a64, b64, c64, d64, e64;
__m64 m64_16, s64, m64_32, m64_64;

const char *reference_mmx[] = {
  "_mm_srai_pi16 0012 0012 0012 0012 \n",
  "_mm_sra_pi16 0012 0012 0012 0012 \n",
  "_mm_srai_pi32 00123456 00123456 \n",
  "_mm_sra_pi32 00123456 00123456 \n",
  "_mm_srli_pi16 0012 0012 0012 0012 \n",
  "_mm_srl_pi16 0012 0012 0012 0012 \n",
  "_mm_srli_pi32 00123456 00123456 \n",
  "_mm_srl_pi32 00123456 00123456 \n",
  "_mm_srli_si64 00123456789abcde\n",
  "_mm_srl_si64 00123456789abcde\n",
  "_mm_slli_pi16 1230 1230 1230 1230 \n",
  "_mm_sll_pi16 1230 1230 1230 1230 \n",
  "_mm_slli_pi32 12345670 12345670 \n",
  "_mm_sll_pi32 12345670 12345670 \n",
  "_mm_slli_si64 123456789abcdef0\n",
  "_mm_sll_si64 123456789abcdef0\n",
  ""
};


static void
mmx_test (void)
{
  d64.u[0]  = 0x01234567;
  d64.u[1]  = 0x01234567;

  m64_32 = d64.v;

  e64.t  = 0x0123456789abcdefULL;

  m64_64 = e64.v;

  a64.s[0] = 0x0123;
  a64.s[1] = 0x0123;
  a64.s[2] = 0x0123;
  a64.s[3] = 0x0123;

  m64_16 = a64.v;

  b64.s[0] = SHIFT;
  b64.s[1] = 0;
  b64.s[2] = 0;
  b64.s[3] = 0;

  s64 = b64.v;

  mmx_tests();
  check (buf, reference_mmx);
#ifdef DEBUG
  printf ("mmx testing:\n");
  printf (buf);
  printf ("\ncomparison:\n");
  printf (comparison);
#endif
  buf[0] = '\0';

  if (errors != 0)
    abort ();
}

void __attribute__((noinline))
mmx_tests (void)
{
  /* psraw */
  c64.v = _mm_srai_pi16 (m64_16, SHIFT);
  dump64_16 (buf, "_mm_srai_pi16", c64);
  c64.v  = _mm_sra_pi16 (m64_16, s64);
  dump64_16 (buf, "_mm_sra_pi16", c64);

  /* psrad */
  c64.v  = _mm_srai_pi32 (m64_32, SHIFT);
  dump64_32 (buf, "_mm_srai_pi32", c64);
  c64.v = _mm_sra_pi32 (m64_32, s64);
  dump64_32 (buf, "_mm_sra_pi32", c64);

  /* psrlw */
  c64.v = _mm_srli_pi16 (m64_16, SHIFT);
  dump64_16 (buf, "_mm_srli_pi16", c64);
  c64.v = _mm_srl_pi16 (m64_16, s64);
  dump64_16 (buf, "_mm_srl_pi16", c64);

  /* psrld */
  c64.v = _mm_srli_pi32 (m64_32, SHIFT);
  dump64_32 (buf, "_mm_srli_pi32", c64);
  c64.v = _mm_srl_pi32 (m64_32, s64);
  dump64_32 (buf, "_mm_srl_pi32", c64);

  /* psrlq */
  c64.v = _mm_srli_si64 (m64_64, SHIFT);
  dump64_64 (buf, "_mm_srli_si64", c64);
  c64.v = _mm_srl_si64 (m64_64, s64);
  dump64_64 (buf, "_mm_srl_si64", c64);

  /* psllw */
  c64.v = _mm_slli_pi16 (m64_16, SHIFT);
  dump64_16 (buf, "_mm_slli_pi16", c64);
  c64.v = _mm_sll_pi16 (m64_16, s64);
  dump64_16 (buf, "_mm_sll_pi16", c64);

  /* pslld */
  c64.v = _mm_slli_pi32 (m64_32, SHIFT);
  dump64_32 (buf, "_mm_slli_pi32", c64);
  c64.v = _mm_sll_pi32 (m64_32, s64);
  dump64_32 (buf, "_mm_sll_pi32", c64);

  /* psllq */
  c64.v = _mm_slli_si64 (m64_64, SHIFT);
  dump64_64 (buf, "_mm_slli_si64", c64);
  c64.v = _mm_sll_si64 (m64_64, s64);
  dump64_64 (buf, "_mm_sll_si64", c64);
}

void
dump64_16 (char *buf, char *name, vecInWord x)
{
  int i;
  char *p = buf + strlen (buf);

  sprintf (p, "%s ", name);
  p += strlen (p);

  for (i=0; i<4; i++)
    {
      sprintf (p, "%4.4x ", x.s[i]);
      p += strlen (p);
    }
  strcat (p, "\n");
}

void
dump64_32 (char *buf, char *name, vecInWord x)
{
  int i;
  char *p = buf + strlen (buf);

  sprintf (p, "%s ", name);
  p += strlen (p);

  for (i=0; i<2; i++)
    {
      sprintf (p, "%8.8x ", x.u[i]);
      p += strlen (p);
    }
  strcat (p, "\n");
}

void
dump64_64 (char *buf, char *name, vecInWord x)
{
  char *p = buf + strlen (buf);

  sprintf (p, "%s ", name);
  p += strlen (p);

#if defined(_WIN32) && !defined(__CYGWIN__)
  sprintf (p, "%16.16I64x\n", x.t);
#else
  sprintf (p, "%16.16llx\n", x.t);
#endif
}

int
check (const char *input, const char *reference[])
{
  int broken, i, j, len;
  const char *p_input;
  char *p_comparison;
  int new_errors = 0;

  p_comparison = &comparison[0];
  p_input = input;

  for (i = 0; *reference[i] != '\0'; i++)
    {
      broken = 0;
      len = strlen (reference[i]);
      for (j = 0; j < len; j++)
	{
	  /* Ignore the terminating NUL characters at the end of every string in 'reference[]'.  */
	  if (!broken && *p_input != reference[i][j])
	    {
	      *p_comparison = '\0';
	      strcat (p_comparison, " >>> ");
	      p_comparison += strlen (p_comparison);
	      new_errors++;
	      broken = 1;
	    }
	  *p_comparison = *p_input;
	  p_comparison++;
	  p_input++;
	}
      if (broken)
	{
	  *p_comparison = '\0';
	  strcat (p_comparison, "expected:\n");
	  strcat (p_comparison, reference[i]);
	  p_comparison += strlen (p_comparison);
	}
    }
  *p_comparison = '\0';
  strcat (p_comparison, new_errors ? "failure\n\n" : "O.K.\n\n") ;
  errors += new_errors;
  return 0;
}