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comparison gcc/testsuite/gcc.dg/vect/slp-3.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
comparison
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68:561a7518be6b 111:04ced10e8804
1 /* { dg-require-effective-target vect_int } */
2
3 #include <stdarg.h>
4 #include "tree-vect.h"
5
6 #define N 12
7
8 unsigned short in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
9
10 int
11 main1 ()
12 {
13 int i;
14 unsigned short out[N*8];
15
16 for (i = 0; i < N; i++)
17 {
18 out[i*8] = in[i*8];
19 out[i*8 + 1] = in[i*8 + 1];
20 out[i*8 + 2] = in[i*8 + 2];
21 out[i*8 + 3] = in[i*8 + 3];
22 out[i*8 + 4] = in[i*8 + 4];
23 out[i*8 + 5] = in[i*8 + 5];
24 out[i*8 + 6] = in[i*8 + 6];
25 out[i*8 + 7] = in[i*8 + 7];
26 }
27
28 /* check results: */
29 for (i = 0; i < N; i++)
30 {
31 if (out[i*8] != in[i*8]
32 || out[i*8 + 1] != in[i*8 + 1]
33 || out[i*8 + 2] != in[i*8 + 2]
34 || out[i*8 + 3] != in[i*8 + 3]
35 || out[i*8 + 4] != in[i*8 + 4]
36 || out[i*8 + 5] != in[i*8 + 5]
37 || out[i*8 + 6] != in[i*8 + 6]
38 || out[i*8 + 7] != in[i*8 + 7])
39 abort ();
40 }
41
42 for (i = 0; i < N*2; i++)
43 {
44 out[i*4] = in[i*4];
45 out[i*4 + 1] = in[i*4 + 1];
46 out[i*4 + 2] = in[i*4 + 2];
47 out[i*4 + 3] = in[i*4 + 3];
48 }
49
50 /* check results: */
51 for (i = 0; i < N*2; i++)
52 {
53 if (out[i*4] != in[i*4]
54 || out[i*4 + 1] != in[i*4 + 1]
55 || out[i*4 + 2] != in[i*4 + 2]
56 || out[i*4 + 3] != in[i*4 + 3])
57 abort ();
58 }
59
60 for (i = 0; i < N/2; i++)
61 {
62 out[i*16] = in[i*16];
63 out[i*16 + 1] = in[i*16 + 1];
64 out[i*16 + 2] = in[i*16 + 2];
65 out[i*16 + 3] = in[i*16 + 3];
66 out[i*16 + 4] = in[i*16 + 4];
67 out[i*16 + 5] = in[i*16 + 5];
68 out[i*16 + 6] = in[i*16 + 6];
69 out[i*16 + 7] = in[i*16 + 7];
70 out[i*16 + 8] = in[i*16 + 8];
71 out[i*16 + 9] = in[i*16 + 9];
72 out[i*16 + 10] = in[i*16 + 10];
73 out[i*16 + 11] = in[i*16 + 11];
74 out[i*16 + 12] = in[i*16 + 12];
75 out[i*16 + 13] = in[i*16 + 13];
76 out[i*16 + 14] = in[i*16 + 14];
77 out[i*16 + 15] = in[i*16 + 15];
78 }
79
80 /* check results: */
81 for (i = 0; i < N/2; i++)
82 {
83 if (out[i*16] != in[i*16]
84 || out[i*16 + 1] != in[i*16 + 1]
85 || out[i*16 + 2] != in[i*16 + 2]
86 || out[i*16 + 3] != in[i*16 + 3]
87 || out[i*16 + 4] != in[i*16 + 4]
88 || out[i*16 + 5] != in[i*16 + 5]
89 || out[i*16 + 6] != in[i*16 + 6]
90 || out[i*16 + 7] != in[i*16 + 7]
91 || out[i*16 + 8] != in[i*16 + 8]
92 || out[i*16 + 9] != in[i*16 + 9]
93 || out[i*16 + 10] != in[i*16 + 10]
94 || out[i*16 + 11] != in[i*16 + 11]
95 || out[i*16 + 12] != in[i*16 + 12]
96 || out[i*16 + 13] != in[i*16 + 13]
97 || out[i*16 + 14] != in[i*16 + 14]
98 || out[i*16 + 15] != in[i*16 + 15])
99 abort ();
100 }
101
102 /* SLP with unrolling by 8. */
103 for (i = 0; i < N/4; i++)
104 {
105 out[i*9] = in[i*9];
106 out[i*9 + 1] = in[i*9 + 1];
107 out[i*9 + 2] = in[i*9 + 2];
108 out[i*9 + 3] = in[i*9 + 3];
109 out[i*9 + 4] = in[i*9 + 4];
110 out[i*9 + 5] = in[i*9 + 5];
111 out[i*9 + 6] = in[i*9 + 6];
112 out[i*9 + 7] = in[i*9 + 7];
113 out[i*9 + 8] = in[i*9 + 8];
114 }
115
116 /* check results: */
117 for (i = 0; i < N/4; i++)
118 {
119 if (out[i*9] != in[i*9]
120 || out[i*9 + 1] != in[i*9 + 1]
121 || out[i*9 + 2] != in[i*9 + 2]
122 || out[i*9 + 3] != in[i*9 + 3]
123 || out[i*9 + 4] != in[i*9 + 4]
124 || out[i*9 + 5] != in[i*9 + 5]
125 || out[i*9 + 6] != in[i*9 + 6]
126 || out[i*9 + 7] != in[i*9 + 7]
127 || out[i*9 + 8] != in[i*9 + 8])
128 abort ();
129 }
130
131
132 return 0;
133 }
134
135 int main (void)
136 {
137 check_vect ();
138
139 main1 ();
140
141 return 0;
142 }
143
144 /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" } } */
145 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 3 "vect" } } */
146