On 05/31/2017 01:51 PM, Jakub Jelinek wrote: > On Wed, May 31, 2017 at 01:46:00PM +0200, Richard Biener wrote: >> Just wanting to add that "ab-"using options/variables to implement >> what are really >> function attributes doesn't look very clean. Unless the plan is to get rid >> of >> function attributes in favor of per-function options. > > Function attribute here is one thing (the way user writes it) and that > combined with the command line options determines the sanitization performed > (the function attributes only say what sanitization flags should be > ignored). The proposed per-function variable is just a cache of this > information, because parsing function attributes every time is way too > expensive.
But one the other hand every function decorated with such attribute will lead to having a separate copy of struct cl_optimization, which is quite big structure. Another question is how often such attribute is used, I guess usage is quite rare? Martin > > Jakub >
