https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70087
Patrick Palka <ppalka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Different (worse?) code |Different (worse?) code
|generated for if (a || (b |generated for "if (a || (b
||| c)) generates different ||| c))" vs "if (a || b ||
|(worse?) code than if (a || |c)"
|b || c) |
--- Comment #1 from Patrick Palka <ppalka at gcc dot gnu.org> ---
(Oops, accidentally hit Enter too early.)
$ cat assoc.c
int at;
int foo ()
{
if (at == 2 || at == 4 || at == 7)
return 1;
return 0;
}
int bar ()
{
if (at == 2 || (at == 4 || (at == 7)))
return 1;
return 0;
}
$ gcc
