Re: [PATCH V2] Disable sched1 in functions that call setjmp

[Alexander Monakov via Gcc-patches]

On Fri, 23 Dec 2022, Qing Zhao wrote:

> Then, sched2 still can move insn across calls? 
> So does sched2 have the same issue of incorrectly moving  the insn across a 
> call which has unknown control flow?

I think problems are unlikely because register allocator assigns pseudos that
cross setjmp to memory.

I think you hit the problem with sched1 because most testing is done on x86 and
sched1 is not enabled there, otherwise the problem would have been noticed much
earlier.

Alexander