File: pr46009.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (75 lines) | stat: -rw-r--r-- 1,388 bytes parent folder | download
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
/* PR tree-optimization/46009 */
/* { dg-require-effective-target vect_int } */

#include "tree-vect.h"

int a[1024] __attribute__((aligned));
int b[1024] __attribute__((aligned));
int c[1024] __attribute__((aligned));
int d[1024] __attribute__((aligned));
int e[1024] __attribute__((aligned));

void __attribute__((noinline))
foo (void)
{
  int i, g;
  for (i = 0; i < 1024; i++)
    {
      g = a[i] + b[i] + c[i] * d[i];;
      e[i] = g < 10 ? 1 : g;
    }
}

void __attribute__((noinline))
bar (void)
{
  int i, g;
  for (i = 0; i < 1024; i++)
    {
      g = a[i] + b[i] + c[i] * d[i];;
      if (g < 10)
	e[i] = 1;
      else
	e[i] = g;
    }
}

int
main (void)
{
  int i;
  check_vect ();
  for (i = 0; i < 1024; i++)
    {
      asm volatile ("" : "+r" (i));
      a[i] = i % 10;
      b[i] = i % 10;
      c[i] = 1;
      d[i] = -1;
      e[i] = -1;
    }
  foo ();
#pragma GCC novector
  for (i = 0; i < 1024; i++)
    {
      int g;
      asm volatile ("" : "+r" (i));
      g = 2 * (i % 10) - 1;
      if (e[i] != (g < 10 ? 1 : g))
	abort ();
      e[i] = -1;
    }
  bar ();
#pragma GCC novector
  for (i = 0; i < 1024; i++)
    {
      int g;
      asm volatile ("" : "+r" (i));
      g = 2 * (i % 10) - 1;
      if (e[i] != (g < 10 ? 1 : g))
	abort ();
    }
  return 0;
}

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { target vect_int_mult } } } */