On Wed, 27 Aug 2008, Brian Dessent wrote: > "H.J. Lu" wrote: > > > For Linux/x86, if gcc is configured for xxx-*-linux, the default arch should > > be xxx for both 32bit and 64bit, where xxx can be i[3456]86, pentium, ... > > x86-64. Is someone working on such a patch? > > IMHO making this Linux specific just replaces one confusing and > arbitrary decision with another. Why should --target=i686-*-linux imply > -march=686 when, say, --target=i686-*-freebsd or --target=i686-*-elf > still implies -march=386? If you want to imply a default -march from > the target specification (and I think that's a perfectly good thing to > want to do) then it should apply to all x86 targets equally. If that's
My proposal is exactly that the target triplet should imply -march on x86 - just as it implies -mcpu on SPARC where -mcpu means -march rather than -mtune. -- Joseph S. Myers [EMAIL PROTECTED]
