Richard Guenther wrote: >Just to put some more thoughts on the table, I'm about to propose adding >a __gcc_cpu_feature symbol to $suitable_place, similar to what Intel is >doing with its __intel_cpu_indicator which is used in their runtime libraries >to select different code paths based on processor capabilities. I'm not >yet sure if and how to best expose this to the user, but internally this could >be mapped 1:1 to what we have in the TARGET_* flags. > > Richard, I think that irrespective of the current needs of v3, this preprocessor builtin can be very useful for people wanting to flexibly configure their projects to exploit the builtins when available. I would like to see you proposing a finished patch.
Are there objections? Paolo.
