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Re: [PATCH] PowerPC - Add a faster way to read the Time Base register
On Thu, May 10, 2012 at 1:35 PM, Roland McGrath <roland@hack.frob.com> wrote:
> I already had that impression. ÂMy point was that the guidelines being
> added to the manual should reflect the reality of cases like this one.
Ok, how about something like this?
+@item
+If the header provides features that only make sense on a particular machine
+architecture and have nothing to do with an operating system, then the
+features should ultimately be provided as GCC built-in functions. Until
+then, @theglibc{} may provide them in the header. When the GCC built-in
+functions become available, those provided in the header should be made
+conditionally available prior to the GCC version in which the built-in function
+was made available.
Ryan S. Arnold