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Re: RTEMS Patch for binutils 2.9.1





On Thu, 13 May 1999, Jeffrey A Law wrote:

> 
>   In message <Pine.LNX.4.10.9905131237110.501-100000@oar3remote>you write:
>   > My understanding was that these were pretty critical instructions for an
>   > OS implementation.  Doesn't one of the other open-source OSes have a need
>   > for these as well?
> Not really.  The only ones I ever would have found useful would be movement
> to/from the shadow regs.  Hmmm, actually we may have had an assembler macro
> to create mtcpu/mfcpu instructions using .word directives.  It's hard to
> remember since I haven't done PA OS work in a while.

I recall using a similar trick initially with the RTEMS PA port and then
we decided it was ugly and error prone.  It was easier to simply add the
instructions to gas. :)

--joel


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