Re: [dev-servo] RFC: Using fixed-point for percentages

2014-04-15 Thread Jack Moffitt
Assuming this is enough precision for layout, I'd like to see neon versions before we landed anything like this. Will the API a user sees look the same? In other words, is the change localized to MaybeAuto's implementation? Also, speaking of these SIMD optimizations, does rustc have a compiler fla

Re: [dev-servo] RFC: Using fixed-point for percentages

2014-04-15 Thread Brian Anderson
Right now rustc has no option to detect CPU features, and advanced features must be enabled explicitly. It seems reasonable to start adding some basic feature detection to rustc as needed. On 04/15/2014 07:15 PM, Jack Moffitt wrote: Assuming this is enough precision for layout, I'd like to see