From: Rainer Orth <r...@cebitec.uni-bielefeld.de> Date: Mon, 12 Nov 2012 16:46:37 +0100
> Eric Botcazou <ebotca...@adacore.com> writes: > >>> No, quite the contrary. as is just a (sometimes partial) backport of >>> Studio fbe, though it's hard to tell exactly which Studio version of fbe >>> forms the basis of as. Especially for the Solaris 10 as patches, only >>> particular bugfixes/enhancements have been backported. >>> >>> Backward compatibility is maintained, of course. as(1) lists >>> >>> -xarch=v9 >>> >>> Equivalent to: -m64 -xarch=sparc >>> >>> and many more. >> >> Does it list -xarch=v8pluse/-xarch=v9e as equivalent to -m32/64 >> -xarch=sparc4? >> If so, I don't think that we need to change our scheme, using 'e' instead of >> 'd' for SPARC4 instructions should work just fine with both GNU and Sun as. > > as(1) mentions no -xarch value beyond v9b, while strings on the as binary > reveals v9, v9[a-dv], but no v9e. Seems to be a gas invention. It is indeed, a gas invention. We really need to start using the newer names, as Sun is not going to provide single letter indicators for sparc4 or future xarch values. In fact, that's exactly what needed to be worked on from the beginning for the solaris side of this cbcond patch. We're talking in circles. :-)
