> Am 06.01.2025 um 06:48 schrieb Andi Kleen <a...@linux.intel.com>:
>
> Mark Wielaard <m...@klomp.org> writes:
>
>> commit 56946c801a7c ("gimple: Add limit after which slower switchlower
>> algs are used [PR117091] [PR117352]") introduced a limit on the number
>> of cases of a switch. It also bails out on finding jump tables if the
>> switch is too large. This introduces a compile time regression during
>> bootstrap. A riscv bootstrap takes hours longer. Particularly
>> insn-attrtab.cc will take hours instead of minutes. Fix this by not
>> applying the switch size limit on jump tables.
>>
>> An alternative would be to implement greedy switch clustering for jump
>> tables as is done for switch bitmap clustering.
>
> Or just increase the limit for now. But looks ok to me.
Ok
Richard
> -Andi
