aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.dg/pr48616.c
blob: 4517d79211903f26567fd5b30f122f72c07a2bde (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
/* PR tree-optimization/48616 */
/* { dg-do run } */
/* { dg-options "-O2 -ftree-vectorize" } */
/* { dg-additional-options "-fno-common" { target hppa*-*-hpux* } } */

extern void abort (void);
int a[4] __attribute__((aligned (32)));
int b[4] __attribute__((aligned (32)));
int c[4] __attribute__((aligned (32)));
int d[4] __attribute__((aligned (32)));
int e[4] __attribute__((aligned (32)));

__attribute__((noinline, noclone))
int
foo (int x)
{
  asm ("" : "+r" (x));
  return x;
}

__attribute__((noinline, noclone))
void
fn1 (int i)
{
  a[0] = b[0] << c[0];
  a[1] = b[1] << c[1];
  a[2] = b[2] << c[2];
  a[3] = b[3] << c[3];
  if (i)
    {
      d[0] = e[0] >> c[0];
      d[1] = e[1] >> c[1];
      d[2] = e[2] >> c[2];
      d[3] = e[3] >> c[3];
    }
}

__attribute__((noinline, noclone))
void
fn2 (int i)
{
  a[0] = b[0] << 1;
  a[1] = b[1] << 2;
  a[2] = b[2] << 3;
  a[3] = b[3] << 4;
  if (i)
    {
      d[0] = e[0] >> 1;
      d[1] = e[1] >> 2;
      d[2] = e[2] >> 3;
      d[3] = e[3] >> 4;
    }
}

__attribute__((noinline, noclone))
void
fn3 (int i, int j)
{
  int x = foo (j);
  a[0] = b[0] << x;
  a[1] = b[1] << x;
  a[2] = b[2] << x;
  a[3] = b[3] << x;
  if (i)
    {
      d[0] = e[0] >> x;
      d[1] = e[1] >> x;
      d[2] = e[2] >> x;
      d[3] = e[3] >> x;
    }
}

__attribute__((noinline, noclone))
void
fn4 (int i)
{
  a[0] = b[0] << 1;
  a[1] = b[1] << 1;
  a[2] = b[2] << 1;
  a[3] = b[3] << 1;
  if (i)
    {
      d[0] = e[0] >> 1;
      d[1] = e[1] >> 1;
      d[2] = e[2] >> 1;
      d[3] = e[3] >> 1;
    }
}

int
main ()
{
  int i;
  int *t;
  for (i = 0; i < 4; i++)
    {
      b[i] = 32;
      c[i] = i + 1;
      e[i] = 32;
    }
  asm volatile ("" : : "r" (b) : "memory");
  asm volatile ("" : : "r" (c) : "memory");
  asm volatile ("" : "=r" (t) : "0" (d) : "memory");
  fn1 (t != 0);
  for (i = 0; i < 4; i++)
    {
      if (a[i] != (32 << (i + 1)) || d[i] != (32 >> (i + 1)))
	abort ();
      a[i] = 0;
      d[i] = 0;
    }
  fn2 (t != 0);
  for (i = 0; i < 4; i++)
    {
      if (a[i] != (32 << (i + 1)) || d[i] != (32 >> (i + 1)))
	abort ();
      a[i] = 0;
      d[i] = 0;
    }
  fn3 (t != 0, t != 0);
  for (i = 0; i < 4; i++)
    {
      if (a[i] != (32 << 1) || d[i] != (32 >> 1))
	abort ();
      a[i] = 0;
      d[i] = 0;
    }
  fn4 (t != 0);
  for (i = 0; i < 4; i++)
    {
      if (a[i] != (32 << 1) || d[i] != (32 >> 1))
	abort ();
    }
  return 0;
}