File: pr94718-2.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 (49 lines) | stat: -rw-r--r-- 778 bytes parent folder | download | duplicates (2) 
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
 
/* PR tree-optimization/94718 */
/* { dg-do compile } */
/* { dg-options "-O2 -fno-ipa-icf -fdump-tree-optimized" } */
/* { dg-final { scan-tree-dump-times "= \[xy]_\[0-9]+\\\(D\\\) \\^ \[xy]_\[0-9]+\\\(D\\\);" 6 "optimized" } } */
/* { dg-final { scan-tree-dump-times "\[0-9]+ >= 0;" 6 "optimized" } } */

#define I (-__INT_MAX__ - 1)

int
f1 (int x, int y)
{
  return (x & I) == (y & I);
}

int
f2 (int x, int y)
{
  return (~x & I) == (~y & I);
}

int
f3 (int x, int y)
{
  return ((x & I) ^ I) == ((y & I) ^ I);
}

int
f4 (int x, int y)
{
  int s = (x & I);
  int t = (y & I);
  return s == t;
}

int
f5 (int x, int y)
{
  int s = (~x & I);
  int t = (~y & I);
  return s == t;
}

int
f6 (int x, int y)
{
  int s = ((x & I) ^ I);
  int t = ((y & I) ^ I);
  return s == t;
}