Re: RFA: hardware can have ISA attributes, too

[Jim Blandy <jimb@redhat.com>]

Doug Evans <dje@transmeta.com> writes:

> Jim Blandy writes:
>  > > I'm not sure about the patch to provide extern @arch@_cgen_hw_table though.
>  > > If it's ultimately needed, great.
>  > > The way it's intended to normally work is that you access the CGEN_HW_ENTRY
>  > > elements via struct cgen_cpu_desc . hw_table.
>  > 
>  > I had considered instantiating a desc, the way the disassembler does.
>  > That would work, too.  But I wasn't sure how expensive they were, and
>  > I knew the information I needed was right there in the table, no
>  > allocation necessary.
>  > 
>  > The toolchain at hand could be handling up to a dozen processor
>  > variants.  There'd be a separate desc instantiated for each variant
>  > the user refers to in a single GDB session.  Does that seem
>  > reasonable?
> 
> Sorry for the delay!  The message got lost in my queue.
> 
> Whether it's reasonable or not I'll leave to you.
> I'm guessing not but I'm not sure what the usage pattern would be.
> In the end, adding the extern decl is probably a useful thing to do
> anyway, so just go ahead.

Okay, thanks.  (Delay in committing patches due to personal entropy,
nothing else.)