[Bug middle-end/113722] [14 Regression] Constant folding of __builtin_bswap128 is broken since r14-1455

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113722

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[14 Regression] Constant    |[14 Regression] Constant
                   |folding of                  |folding of
                   |__builtin_bswap128 is       |__builtin_bswap128 is
                   |broken                      |broken since r14-1455
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org
           Priority|P3                          |P1

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Anyway, at -O0
int
main ()
{
  unsigned __int128 a = __builtin_bswap128 ((unsigned __int128) 2);
  unsigned __int128 b = 2;
  unsigned __int128 c = __builtin_bswap128 (b);
  if (a != c)
    __builtin_abort ();
}
regressed with r14-1455-g0ede6b5ad77c4791a513ab312b9e278dafc2bff9
I'll have a look.