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comparison gcc/testsuite/gcc.dg/vect/slp-perm-2.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
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 M01 1322
9 #define M11 13
10 #define M02 74
11 #define M12 191
12
13 #define N 16
14
15 void __attribute__((noinline))
16 foo (unsigned int *__restrict__ pInput, unsigned int *__restrict__ pOutput)
17 {
18 unsigned int i, a, b;
19
20 for (i = 0; i < N / 2; i++)
21 {
22 a = *pInput++;
23 b = *pInput++;
24
25 *pOutput++ = M00 * a + M01 * b;
26 *pOutput++ = M10 * a + M11 * b;
27 }
28 }
29
30 int main (int argc, const char* argv[])
31 {
32 unsigned int input[N], output[N], i;
33 unsigned int check_results[N] = {1322, 13, 4166, 471, 7010, 929, 9854, 1387, 12698, 1845, 15542, 2303, 18386, 2761, 21230, 3219};
34
35 check_vect ();
36
37 for (i = 0; i < N; i++)
38 {
39 input[i] = i%256;
40 output[i] = 0;
41 __asm__ volatile ("");
42 }
43
44 foo (input, output);
45
46 for (i = 0; i < N; i++)
47 {
48 if (output[i] != check_results[i])
49 abort ();
50 __asm__ volatile ("");
51 }
52
53 return 0;
54 }
55
56 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_perm } } } */
57 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target { vect_perm && {! vect_load_lanes } } } } } */
58 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 0 "vect" { target vect_load_lanes } } } */
59 /* { dg-final { scan-tree-dump "note: Built SLP cancelled: can use load/store-lanes" "vect" { target { vect_perm && vect_load_lanes } } } } */
60 /* { dg-final { scan-tree-dump "LOAD_LANES" "vect" { target vect_load_lanes } } } */
61 /* { dg-final { scan-tree-dump "STORE_LANES" "vect" { target vect_load_lanes } } } */