This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: m68k bootstrap problem


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.  if
you want to change this, go test it on at least 7 platforms and fix all
of the problems that it causes.

Kenny


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]