On Tue, 2015-12-22 at 16:00 +0000, Alan Lawrence wrote: > On 21/12/15 15:33, Bill Schmidt wrote: > >> > >> Not on a stage1 compiler - check_p8vector_hw_available itself requires > >> being > >> able to run executables - I'll check on gcc112. However, both look like > >> they're > >> really about the host (ability to execute an asm instruction), not the > >> target > >> (/ability for gcc to output such an instruction).... > > > > Hm, that looks like a pervasive problem for powerpc. There are a number > > of things that are supposed to be testing effective target but rely on > > check_p8vector_hw_available, which as you note requires executing an > > instruction and is really about the host. We need to clean that up; I > > should probably open a bug. Kind of amazed this has gotten past us for > > a couple of years. > > Well, I was about to apologize for making a bogus remark. A really "proper" > setup, would be to tell dejagnu to run your execution tests in some kind of > emulator/simulator (on your host, perhaps one kind of powerpc) that > only/additionally runs instructions for the other, _target_, kind of > powerpc...and whatever setup you'd need for all that probably does not live > in > the GCC repository!
Yeah -- after I wrote that, I looked around some more, and it seems that this is relatively common practice. I agree that it would be pretty tough to set this up properly... > > > For now, just XFAILing for powerpc seems the best alternative for this > > test. > > Ok, thanks. > > > --Alan >
