------- Additional Comments From hjl dot tools at gmail dot com 2009-01-25 20:07 ------- (In reply to comment #2) > Subject: Re: Additional switches to disallow processor supplementary > instructions > > > --- On Sun, 25/1/09, hjl dot tools at gmail dot com <sourceware-bugzi...@sourceware.org> wrote: > > > I can add switches based on CPUID features. I can't add > > switches > > for instructions without feature bits from CPUID. > > I'm not sure what you mean here. > > I must confess that I have not looked at the code, but I would guess that you would you just set a flag for each of the options and then if an instruction encountered has a flag set against it, abort with a compilation error. >
That is pretty much how it is implemented. But I can't do it for any arbitrary instructions. The instruction availability has to be able to detected at run-time via CPUID insn. -- http://sourceware.org/bugzilla/show_bug.cgi?id=9782 ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is. _______________________________________________ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
