OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [slp-28.c] - Blame information for rev 298

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 298 jeremybenn 
/* { dg-require-effective-target vect_int } */
2 
 
3 
#include <stdarg.h>
4 
#include <stdio.h>
5 
#include "tree-vect.h"
6 
 
7 
#define N 32
8 
 
9 
unsigned short in[N] = {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};
10 
unsigned short in2[N] = {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};
11 
unsigned short in3[N] = {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};
12 
unsigned short check[N] = {0,1,2,3,5,6,7,8,10,11,12,13,15,16,17,18,20,21,22,23,25,26,27,28,30,31,32,33,35,36,37,38};
13 
unsigned short check3[N] = {0,1,2,3,4,5,6,7,8,9,10,11,5,6,7,8,9,10,11,12,13,14,15,16,10,11,12,13,14,15,16,17};
14 
 
15 
int
16 
main1 ()
17 
{
18 
  int i;
19 
 
20 
  for (i = 0; i < N/4; i++)
21 
    {
22 
      in[i*4] = in[i*4] + 5;
23 
      in[i*4 + 1] = in[i*4 + 1] + 5;
24 
      in[i*4 + 2] = in[i*4 + 2] + 5;
25 
      in[i*4 + 3] = in[i*4 + 3] + 5;
26 
 
27 
    }
28 
 
29 
  /* check results:  */
30 
  for (i = 0; i < N; i++)
31 
    {
32 
      if (in[i] != i+5)
33 
        abort ();
34 
    }
35 
 
36 
  /* Not vectorizable because of data dependencies.  */
37 
  for (i = 1; i < N/4; i++)
38 
    {
39 
      in2[i*4] = in2[(i-1)*4] + 5;
40 
      in2[i*4 + 1] = in2[(i-1)*4 + 1] + 5;
41 
      in2[i*4 + 2] = in2[(i-1)*4 + 2] + 5;
42 
      in2[i*4 + 3] = in2[(i-1)*4 + 3] + 5;
43 
 
44 
    }
45 
 
46 
  /* check results:  */
47 
  for (i = 4; i < N; i++)
48 
    {
49 
      if (in2[i] != check[i])
50 
        abort ();
51 
    }
52 
 
53 
  /* Not vectorizable because of data dependencies: distance 3 is greater than
54 
     the actual VF with SLP (2), but the analysis fail to detect that for now.  */
55 
  for (i = 3; i < N/4; i++)
56 
    {
57 
      in3[i*4] = in3[(i-3)*4] + 5;
58 
      in3[i*4 + 1] = in3[(i-3)*4 + 1] + 5;
59 
      in3[i*4 + 2] = in3[(i-3)*4 + 2] + 5;
60 
      in3[i*4 + 3] = in3[(i-3)*4 + 3] + 5;
61 
 
62 
    }
63 
 
64 
  /* check results:  */
65 
  for (i = 12; i < N; i++)
66 
    {
67 
      if (in3[i] != check3[i])
68 
        abort ();
69 
    }
70 
 
71 
 
72 
  return 0;
73 
}
74 
 
75 
int main (void)
76 
{
77 
  check_vect ();
78 
 
79 
  main1 ();
80 
 
81 
  return 0;
82 
}
83 
 
84 
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
85 
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect"  } } */
86 
/* { dg-final { cleanup-tree-dump "vect" } } */
87 
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.