https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113042
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #2)
> Blah, adding popcountti2 does not work as the middle-end (in
> fold_builtin_bit_query) splits it into 2 __builtin_popcountll already ...
I have a patch for that:
```
diff --git a/gcc/builtins.cc b/gcc/builtins.cc
index 0b902896ddd..b4d51eaeba5 100644
--- a/gcc/builtins.cc
+++ b/gcc/builtins.cc
@@ -10185,7 +10185,9 @@ fold_builtin_bit_query (location_t loc, enum
built_in_function fcode,
tree call = NULL_TREE, tem;
if (TYPE_PRECISION (arg0_type) == MAX_FIXED_MODE_SIZE
&& (TYPE_PRECISION (arg0_type)
- == 2 * TYPE_PRECISION (long_long_unsigned_type_node)))
+ == 2 * TYPE_PRECISION (long_long_unsigned_type_node))
+ /* If the target supports the optab, then don't do the expansion. */
+ && !direct_internal_fn_supported_p (ifn, arg0_type, OPTIMIZE_FOR_BOTH))
{
/* __int128 expansions using up to 2 long long builtins. */
arg0 = save_expr (arg0);
```
I didn't realize it was that simple :).
