File: pr64309.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (65 lines) | stat: -rw-r--r-- 998 bytes parent folder | download | duplicates (6) 
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
 
/* PR middle-end/64309 */
/* { dg-do run } */
/* { dg-options "-fdump-tree-original" } */

int
fn1 (int n)
{
  return ((1 << n) & 1) != 0;
}

int
fn2 (int n)
{
  return (1 & (1 << n)) != 0;
}

int
fn3 (int n)
{
  return ((1 << n) & 1) == 0;
}

int
fn4 (int n)
{
  return (1 & (1 << n)) == 0;
}

int
main (void)
{
  if (fn1 (0) != 1
      || fn1 (1) != 0
      || fn1 (2) != 0
      || fn1 (3) != 0
      || fn1 (4) != 0
      || fn1 (5) != 0)
    __builtin_abort ();

  if (fn2 (0) != 1
      || fn2 (1) != 0
      || fn2 (2) != 0
      || fn2 (3) != 0
      || fn2 (4) != 0
      || fn2 (5) != 0)
    __builtin_abort ();

  if (fn3 (0) != 0
      || fn3 (1) != 1
      || fn3 (2) != 1
      || fn3 (3) != 1
      || fn3 (4) != 1
      || fn3 (5) != 1)
    __builtin_abort ();

  if (fn4 (0) != 0
      || fn4 (1) != 1
      || fn4 (2) != 1
      || fn4 (3) != 1
      || fn4 (4) != 1
      || fn4 (5) != 1)
    __builtin_abort ();
}

/* { dg-final { scan-tree-dump-not "(<<|>>)" "original" } } */