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comparison gcc/testsuite/gcc.dg/vect/bb-slp-20.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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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 16
7
8 int b[N];
9 unsigned int out[N];
10 unsigned int in[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
11
12 __attribute__ ((noinline)) int
13 main1 (unsigned int x, unsigned int y)
14 {
15 int i;
16 unsigned int a0, a1, a2, a3;
17
18 if (x > y)
19 x = x + y;
20 else
21 y = x;
22
23 /* Two SLP instances in the basic block. */
24 a0 = in[0] + 23;
25 a1 = in[1] + 142;
26 a2 = in[2] + 2;
27 a3 = in[3] + 31;
28
29 b[0] = -a0;
30 b[1] = -a1;
31 b[2] = -a2;
32 b[3] = -a3;
33
34 out[0] = a0 * x;
35 out[1] = a1 * y;
36 out[2] = a2 * x;
37 out[3] = a3 * y;
38
39 if (x)
40 __asm__ volatile ("" : : : "memory");
41
42 /* Check results. */
43 if (out[0] != (in[0] + 23) * x
44 || out[1] != (in[1] + 142) * y
45 || out[2] != (in[2] + 2) * x
46 || out[3] != (in[3] + 31) * y
47 || b[0] != -(in[0] + 23)
48 || b[1] != -(in[1] + 142)
49 || b[2] != -(in[2] + 2)
50 || b[3] != -(in[3] + 31))
51
52 abort();
53
54 return 0;
55 }
56
57 int main (void)
58 {
59 check_vect ();
60
61 main1 (2, 3);
62
63 return 0;
64 }
65
66 /* { dg-final { scan-tree-dump-times "basic block vectorized" 1 "slp2" { target vect_int_mult } } } */
67 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "slp2" { target vect_int_mult } } } */
68