m68k bootstrap problem
Bernd Schmidt
bernds_cb1@t-online.de
Wed Jun 20 18:31:00 GMT 2007
Kenneth Zadeck wrote:
> Paolo Bonzini wrote:
>>>> having the dead note there is asserting to the register allocator that
>>>> they are free to use that reg after the calll in any way that it wants
>>>> and there is a (small) possibility that is wrong.
>>> IMO there is nothing wrong with this.
>> I agree with Roman. You can always put your call into an asm and make
>> it clobber all other caller-save registers (if EH is not a problem
>> etc. etc.).
>>
>> Paolo
> This is one of the places where i slavishly copied what flow did.
I agree with Roman and Paolo that this doesn't sound right. Where in
flow did it do this?
Bernd
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