1 /* { dg-do run } */
2 /* { dg-require-effective-target vmx_hw } */
3 /* { dg-options "-maltivec -O3" } */
4
5 /* This test should run the same on any target that supports altivec/dfp
6 instructions. Intentionally not specifying cpu in order to test
7 all code generation paths. */
8
9 #include <altivec.h>
10
11 extern void abort (void);
12
13 #define CONST0 (0)
14 #define CONST1 (1)
15 #define CONST2 (2)
16 #define CONST3 (3)
17 #define CONST4 (4)
18 #define CONST5 (5)
19 #define CONST6 (6)
20 #define CONST7 (7)
21 #define CONST8 (8)
22 #define CONST9 (9)
23 #define CONSTA (10)
24 #define CONSTB (11)
25 #define CONSTC (12)
26 #define CONSTD (13)
27 #define CONSTE (14)
28 #define CONSTF (15)
29
30
31 /* Test that indices > length of vector are applied modulo the vector
32 length. */
33
34 /* Test for vector residing in register. */
35 unsigned char c0 (vector unsigned char v)
36 {
37 return __builtin_vec_extract (v, 0);
38 }
39
40 unsigned char c9 (vector unsigned char v)
41 {
42 return __builtin_vec_extract (v, 9);
43 }
44
45 unsigned char c21 (vector unsigned char v)
46 {
47 return __builtin_vec_extract (v, 21);
48 }
49
50 unsigned char c30 (vector unsigned char v)
51 {
52 return __builtin_vec_extract (v, 30);
53 }
54
55 /* Test for vector residing in memory. */
56 unsigned char mc0 (vector unsigned char *vp)
57 {
58 return __builtin_vec_extract (*vp, 0);
59 }
60
61 unsigned char mc9 (vector unsigned char *vp)
62 {
63 return __builtin_vec_extract (*vp, 9);
64 }
65
66 unsigned char mc21 (vector unsigned char *vp)
67 {
68 return __builtin_vec_extract (*vp, 21);
69 }
70
71 unsigned char mc30 (vector unsigned char *vp)
72 {
73 return __builtin_vec_extract (*vp, 30);
74 }
75
76 /* Test the same with variable indices. */
77
78 /* Test for variable selector and vector residing in register. */
79 __attribute__((noinline))
80 unsigned char ci (vector unsigned char v, int i)
81 {
82 return __builtin_vec_extract (v, i);
83 }
84
85 /* Test for variable selector and vector residing in memory. */
86 __attribute__((noinline))
87 unsigned char mci (vector unsigned char *vp, int i)
88 {
89 return __builtin_vec_extract (*vp, i);
90 }
91
92
93 int main (int argc, char *argv[]) {
94 vector unsigned char cv = { CONST0, CONST1, CONST2, CONST3,
95 CONST4, CONST5, CONST6, CONST7,
96 CONST8, CONST9, CONSTA, CONSTB,
97 CONSTC, CONSTD, CONSTE, CONSTF };
98 unsigned char c;
99
100 c = c0 (cv);
101 if (c != CONST0)
102 abort ();
103
104 c = c9 (cv);
105 if (c != CONST9)
106 abort ();
107
108 c = c21 (cv);
109 if (c != CONST5)
110 abort ();
111
112 c = c30 (cv);
113 if (c != CONSTE)
114 abort ();
115
116 c = mc0 (&cv);
117 if (c != CONST0)
118 abort ();
119
120 c = mc9 (&cv);
121 if (c != CONST9)
122 abort ();
123
124 c = mc21 (&cv);
125 if (c != CONST5)
126 abort ();
127
128 c = mc30 (&cv);
129 if (c != CONSTE)
130 abort ();
131
132 c = ci (cv, 8);
133 if (c != CONST8)
134 abort ();
135
136 c = ci (cv, 13);
137 if (c != CONSTD)
138 abort ();
139
140 c = ci (cv, 23);
141 if (c != CONST7)
142 abort ();
143
144 c = ci (cv, 31);
145 if (c != CONSTF)
146 abort ();
147
148 c = mci (&cv, 5);
149 if (c != CONST5)
150 abort ();
151
152 c = mci (&cv, 12);
153 if (c != CONSTC)
154 abort ();
155
156 c = mci (&cv, 25);
157 if (c != CONST9)
158 abort ();
159
160 c = mci (&cv, 16);
161 if (c != CONST0)
162 abort ();
163
164 return 0;
165 }