Hi, On Sat, 10 May 2014, Mike Stump wrote:
> > The rtx u2 field currently uses a desc/tag pair for GTY. This seems > > unnecessary though, > > > OK to install? > > Ick. I don’t favor skip. The change feels like a premature > optimization that doesn’t net any code gen benefit. I’ll defer to a gty > person if they prefer skip. The skip is necessary, otherwise union members of GTY structs are required to have a 'desc' (and their members in turn are required to have a 'tag'). So it's either the skip or the desc/tag pair. The code-gen difference is one empty (but two-cased) switch statement less. Ciao, Michael.