Possible bug in cse.c affecting pre/post-modify mem access

[Richard Sandiford]

"A. Skrobov" <tyomitch@gmail.com> writes:
>> If we look in sel-sched-ir.c we see that it calls into hash_rtx_cb
>> (sigh, bad modularity).   I'm not at all familiar with how the hashing
>> is used within the selective scheduler, so I can't really say what the
>> selective scheduler *should* be doing here.
>
> OK, I see. Now what do you think would be the best course of action?
> Leave everything as it is? The selective scheduler may or may not want
> these memory accesses ignored.

I don't think we can assert even for cse, since AIUI these codes can
still be used for stack pushes and pops.

Thanks,
Richard