1 /* { dg-require-effective-target vect_int } */
2
3 #include <stdarg.h>
4 #include "tree-vect.h"
5
6 #define M00 100
7 #define M10 216
8 #define M20 23
9 #define M30 237
10 #define M01 1322
11 #define M11 13
12 #define M21 27271
13 #define M31 2280
14 #define M02 74
15 #define M12 191
16 #define M22 500
17 #define M32 111
18 #define M03 134
19 #define M13 117
20 #define M23 11
21 #define M33 771
22
23 #define N 16
24
foo(unsigned int * __restrict__ pInput,unsigned int * __restrict__ pOutput)25 void foo (unsigned int *__restrict__ pInput, unsigned int *__restrict__ pOutput)
26 {
27 unsigned int i, a, b, c, d;
28
29 for (i = 0; i < N / 4; i++)
30 {
31 a = *pInput++;
32 b = *pInput++;
33 c = *pInput++;
34 d = *pInput++;
35
36 *pOutput++ = M00 * a + M01 * b + M02 * c + M03 * d;
37 *pOutput++ = M10 * a + M11 * b + M12 * c + M13 * d;
38 *pOutput++ = M20 * a + M21 * b + M22 * c + M23 * d;
39 *pOutput++ = M30 * a + M31 * b + M32 * c + M33 * d;
40 }
41 }
42
main(int argc,const char * argv[])43 int main (int argc, const char* argv[])
44 {
45 unsigned int input[N], output[N], i;
46 unsigned int check_results[N] = {1872, 746, 28304, 4815, 8392, 2894, 139524, 18411, 14912, 5042, 250744, 32007, 21432, 7190, 361964, 45603};
47
48 check_vect ();
49
50 for (i = 0; i < N; i++)
51 {
52 input[i] = i%256;
53 output[i] = 0;
54 __asm__ volatile ("");
55 }
56
57 foo (input, output);
58
59 for (i = 0; i < N; i++)
60 {
61 if (output[i] != check_results[i])
62 abort ();
63 __asm__ volatile ("");
64 }
65
66 return 0;
67 }
68
69 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_perm } } } */
70 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target { vect_perm && {! vect_load_lanes } } } } } */
71 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 0 "vect" { target vect_load_lanes } } } */
72 /* { dg-final { scan-tree-dump "Built SLP cancelled: can use load/store-lanes" "vect" { target { vect_perm && vect_load_lanes } } } } */
73 /* { dg-final { scan-tree-dump "LOAD_LANES" "vect" { target vect_load_lanes } } } */
74 /* { dg-final { scan-tree-dump "STORE_LANES" "vect" { target vect_load_lanes } } } */
75
76