From mboxrd@z Thu Jan 1 00:00:00 1970 From: To: law@cygnus.com Cc: Richard Henderson , binutils@sourceware.cygnus.com Subject: Re: RTEMS Patch for binutils 2.9.1 Date: Thu, 01 Jul 1999 00:00:00 -0000 Message-id: References: <485.926656529@upchuck.cygnus.com> X-SW-Source: 1999-q2/msg00036.html 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