File: vsx-builtin-15b.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (113 lines) | stat: -rw-r--r-- 2,446 bytes parent folder | download | duplicates (3)
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
/* { dg-do run { target int128 } } */
/* { dg-require-effective-target vsx_hw } */
/* { dg-options "-mvsx -O3" } */

/* This test should run the same on any target that supports vsx
   instructions.  Intentionally not specifying cpu in order to test
   all code generation paths.  */

#include <altivec.h>

extern void abort (void);

#define CONST0		(3.1415926539)
#define CONST1		(3.1415926539 * 2)


/* Test that indices > length of vector are applied modulo the vector
   length.  */

/* Test for vector residing in register.  */
double e0(vector double v){ return __builtin_vec_ext_v2df (v, 0); }
double e1(vector double v){ return __builtin_vec_ext_v2df (v, 1); }
double e2(vector double v){ return __builtin_vec_ext_v2df (v, 2); }
double e3(vector double v){ return __builtin_vec_ext_v2df (v, 3); }

/* Test for vector residing in memory.  */
double me0(vector double *vp){ return __builtin_vec_ext_v2df (*vp, 0); }
double me1(vector double *vp){ return __builtin_vec_ext_v2df (*vp, 1); }
double me2(vector double *vp){ return __builtin_vec_ext_v2df (*vp, 2); }
double me3(vector double *vp){ return __builtin_vec_ext_v2df (*vp, 3); }

/* Test the same with variable indices.  */

/* Test for variable selector and vector residing in register.  */
__attribute__((noinline))
double ei(vector double v, int i){ return __builtin_vec_ext_v2df (v, i); }

/* Test for variable selector and vector residing in memory.  */
double mei(vector double *vp, int i){ return __builtin_vec_ext_v2df (*vp, i); }


int main (int argc, char *argv[]) {
  vector double dv;
  double d;
  dv[0] = CONST0;
  dv[1] = CONST1;

  d = e0 (dv);
  if (d != CONST0)
    abort ();

  d = e1 (dv);
  if (d != CONST1)
    abort ();

  d = e2 (dv);
  if (d != CONST0)
    abort ();

  d = e3 (dv);
  if (d != CONST1)
    abort ();

  d = me0 (&dv);
  if (d != CONST0)
    abort ();

  d = me1 (&dv);
  if (d != CONST1)
    abort ();

  d = me2 (&dv);
  if (d != CONST0)
    abort ();

  d = me3 (&dv);
  if (d != CONST1)
    abort ();

  d = ei (dv, 0);
  if (d != CONST0)
    abort ();

  d = ei (dv, 1);
  if (d != CONST1)
    abort ();

  d = ei (dv, 2);
  if (d != CONST0)
    abort ();

  d = ei (dv, 3);
  if (d != CONST1)
    abort ();

  d = mei (&dv, 0);
  if (d != CONST0)
    abort ();

  d = mei (&dv, 1);
  if (d != CONST1)
    abort ();

  d = mei (&dv, 2);
  if (d != CONST0)
    abort ();

  d = mei (&dv, 3);
  if (d != CONST1)
    abort ();

  return 0;
}