File: bitfld-7.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 (24 lines) | stat: -rw-r--r-- 391 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
/* { dg-require-effective-target int32plus } */
union U
{
  const int a;
  unsigned b : 24;
};

static union U u = { 0x12345678 };

/* Constant folding used to fail to account for endianness when folding a
   union.  */

int
main (void)
{
#ifdef __BYTE_ORDER__
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  return u.b - 0x345678;
#else
  return u.b - 0x123456;
#endif
#endif
  return 0;
}