Richard Guenther <richard.guent...@gmail.com> writes: > > I don't like specifying 'arch' at all. Instead you _always_ want architecture > feature tests, not architecture tests. Because, does amdfam10 also cover > bdver1? [it can't! bdver1 does no longer have 3dnow! but that's entirely > surprising for a user]
There's still a case for checking for specific models: some micro architectures prefer specific code paths over others, without necessarily using special features. -Andi -- a...@linux.intel.com -- Speaking for myself only