1 /* { dg-do run } */
2 /* { dg-require-effective-target p8vector_hw } */
3 /* { dg-options "-O2 -ftree-vectorize -mdejagnu-cpu=power8 -fno-vect-cost-model -fdump-tree-vect-details" } */
4
5 /* To test condition reduction vectorization, where comparison operands are of
6 signed int type and condition true/false values are integer type. */
7
8 #include <math.h>
9
10 extern void
11 abort (void) __attribute__ ((noreturn));
12
13 #define N 27
14 #define INT_TYPE signed int
15
16 __attribute__ ((noinline)) int
test_eq(INT_TYPE * a,INT_TYPE min_v)17 test_eq (INT_TYPE *a, INT_TYPE min_v)
18 {
19 int last = 0;
20
21 for (int i = 0; i < N; i++)
22 if (a[i] == min_v)
23 last = i;
24
25 return last;
26 }
27
28 __attribute__ ((noinline)) int
test_ne(INT_TYPE * a,INT_TYPE min_v)29 test_ne (INT_TYPE *a, INT_TYPE min_v)
30 {
31 int last = 0;
32
33 for (int i = 0; i < N; i++)
34 if (a[i] != min_v)
35 last = i;
36
37 return last;
38 }
39
40 __attribute__ ((noinline)) int
test_gt(INT_TYPE * a,INT_TYPE min_v)41 test_gt (INT_TYPE *a, INT_TYPE min_v)
42 {
43 int last = 0;
44
45 for (int i = 0; i < N; i++)
46 if (a[i] > min_v)
47 last = i;
48
49 return last;
50 }
51
52 __attribute__ ((noinline)) int
test_ge(INT_TYPE * a,INT_TYPE min_v)53 test_ge (INT_TYPE *a, INT_TYPE min_v)
54 {
55 int last = 0;
56
57 for (int i = 0; i < N; i++)
58 if (a[i] >= min_v)
59 last = i;
60
61 return last;
62 }
63
64 __attribute__ ((noinline)) int
test_lt(INT_TYPE * a,INT_TYPE min_v)65 test_lt (INT_TYPE *a, INT_TYPE min_v)
66 {
67 int last = 0;
68
69 for (int i = 0; i < N; i++)
70 if (a[i] < min_v)
71 last = i;
72
73 return last;
74 }
75
76 __attribute__ ((noinline)) int
test_le(INT_TYPE * a,INT_TYPE min_v)77 test_le (INT_TYPE *a, INT_TYPE min_v)
78 {
79 int last = 0;
80
81 for (int i = 0; i < N; i++)
82 if (a[i] <= min_v)
83 last = i;
84
85 return last;
86 }
87
88 int
main(void)89 main (void)
90 {
91 int ret = 0;
92
93 INT_TYPE a1[N] = {11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 1, 2, 3, 4,
94 5, 6, 7, 8, 9, 10, 21, 22, 23, 24, 25, 26, 27};
95
96 INT_TYPE a2[N] = {21, 22, 23, 24, 25, 26, 27, 28, 29, 10, 11, 12, 13, 14,
97 15, 16, 17, 18, 19, 20, 1, 2, 3, 4, 5, 6, 7};
98
99 ret = test_eq (a1, 10);
100 if (ret != 19)
101 abort ();
102
103 ret = test_ne (a1, 10);
104 if (ret != 26)
105 abort ();
106
107 ret = test_gt (a2, 10);
108 if (ret != 19)
109 abort ();
110
111 ret = test_ge (a2, 10);
112 if (ret != 19)
113 abort ();
114
115 ret = test_lt (a1, 10);
116 if (ret != 18)
117 abort ();
118
119 ret = test_le (a1, 10);
120 if (ret != 19)
121 abort ();
122
123 return 0;
124 }
125
126 /* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 6 "vect" } } */
127