File: vrp79.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A7-2018-q2-5
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 539,188 kB
  • sloc: ansic: 2,739,935; cpp: 848,238; ada: 602,637; makefile: 62,919; asm: 55,635; xml: 46,238; exp: 23,020; sh: 19,616; python: 6,371; pascal: 3,889; awk: 3,278; perl: 2,691; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (22 lines) | stat: -rw-r--r-- 444 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
 
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */

#ifdef __SIZEOF_INT128__
typedef unsigned __int128 NT;
#else
typedef unsigned long long NT;
#endif

extern void do_not_go_away ();

void f (NT x, NT y)
{
  NT n = 1;
  n <<= (__CHAR_BIT__ * sizeof (NT) - 1);
  if (x > n) return;
  if (y > n) return;
  NT z = x + y;
  if (z == 42) do_not_go_away ();
}

/* { dg-final { scan-tree-dump "do_not_go_away" "optimized" } } */