https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81550
Segher Boessenkool <segher at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |segher at gcc dot gnu.org
--- Comment #5 from Segher Boessenkool <segher at gcc dot gnu.org> ---
The root cause here is we no longer use bdnz. The loop2_doloop dump
file says:
Doloop: Possible infinite iteration case.
Doloop: The loop is not suitable.
(In the source code, the loop can not be infinite; in the RTL it
probably can, I did not check).
