nasm should infer .text but does not for windows: https://bugzilla.nasm.us/show_bug.cgi?id=3392451 Change-Id: Ib195465e5f33405f5ff61c4cf88aa2a72640cacb
Create a new component, vpx_dsp, for code that can be shared between codecs. Move the SAD code into the component. This reduces the size of vpxenc/dec by 36k on x86_64 builds. Change-Id: I73f837ddaecac6b350bf757af0cfe19c4ab9327a