File: 20140212-2.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (21 lines) | stat: -rw-r--r-- 474 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
/* This used to fail as we would convert f into just return (unsigned int)usVlanID
   which is wrong. */

int f(unsigned short usVlanID) __attribute__((noinline,noclone));
int f(unsigned short usVlanID)
{
  unsigned int uiVlanID = 0xffffffff;
  int i;
  if ((unsigned short)0xffff != usVlanID)
    uiVlanID = (unsigned int)usVlanID;
  return uiVlanID;
}

int main(void)
{
  if (f(1) != 1)
    __builtin_abort ();
  if (f(0xffff) != -1)
    __builtin_abort ();
  return 0;
}