https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105163
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot
gnu.org
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
It's reassoc:
<bb 5> [local count: 1072883005]:
_1 = -d_4(ab);
d_17(ab) = 8;
...
@@ -47,7 +61,7 @@
goto <bb 9>; [50.00%]
<bb 8> [local count: 176954885]:
- _2 = _1 + 1;
+ _2 = 1 - d_4(ab);
_3 = (int) _2;
*z_19(D) = _3;
and that via negate propagation I guess.
