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Re: about register naming in cfi_parse_reg


On 9/11/09, Alan Modra <amodra@bigpond.net.au> wrote:
> On Thu, Sep 10, 2009 at 10:02:21PM +0400, Cyrill Gorcunov wrote:
>> perhaps someone could clarify -- does cfi_parse_reg was always
>> compatible with % prefix in register name? In version
>> 2.19 it handles %-prefixed register without problem. Would be
>
> That isn't true for all targets.
>

ah, good to know (i didn't check others archs except x86)

>> there any kind of backward incompatibility if I rely on this
>> feature?
>
> If you target currently accepts '%' in this context for register
> names, we would be unlikely to remove the feature in future releases.

Thanks, Alan!

>
> --
> Alan Modra
> Australia Development Lab, IBM
>


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