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comparison gcc/testsuite/gcc.dg/vect/vect-avg-5.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
1 /* { dg-require-effective-target vect_int } */
2
3 #include "tree-vect.h"
4
5 #define N 50
6
7 #ifndef SIGNEDNESS
8 #define SIGNEDNESS unsigned
9 #endif
10 #ifndef BIAS
11 #define BIAS 0
12 #endif
13
14 void __attribute__ ((noipa))
15 f (SIGNEDNESS char *restrict a, SIGNEDNESS char *restrict b,
16 SIGNEDNESS char *restrict c)
17 {
18 for (__INTPTR_TYPE__ i = 0; i < N; ++i)
19 {
20 int tmp1 = b[i] + BIAS;
21 int tmp2 = tmp1 + c[i];
22 a[i] = tmp2 >> 1;
23 }
24 }
25
26 #define BASE1 ((SIGNEDNESS int) -1 < 0 ? -126 : 4)
27 #define BASE2 ((SIGNEDNESS int) -1 < 0 ? -101 : 26)
28
29 int
30 main (void)
31 {
32 check_vect ();
33
34 SIGNEDNESS char a[N], b[N], c[N];
35 for (int i = 0; i < N; ++i)
36 {
37 b[i] = BASE1 + i * 5;
38 c[i] = BASE2 + i * 4;
39 asm volatile ("" ::: "memory");
40 }
41 f (a, b, c);
42 for (int i = 0; i < N; ++i)
43 if (a[i] != ((BASE1 + BASE2 + i * 9 + BIAS) >> 1))
44 __builtin_abort ();
45 return 0;
46 }
47
48 /* { dg-final { scan-tree-dump "vect_recog_average_pattern: detected" "vect" } } */
49 /* { dg-final { scan-tree-dump {\.AVG_FLOOR} "vect" { target vect_avg_qi } } } */
50 /* { dg-final { scan-tree-dump-not {vector\([^\n]*short} "vect" { target vect_avg_qi } } } */
51 /* { dg-final { scan-tree-dump-times "vectorized 1 loop" 1 "vect" { target vect_avg_qi } } } */