Got it! That even answers my second round of questions. Thank you!
Dan On Tue, 2016-04-05 at 01:24 +0200, Eric Botcazou wrote: > > I took a quick look at Visium, and noticed arithmetic instructions in > > the .md file doing a lot of clobbering of the condition codes register. > > This doesn't seem very efficient, since it prevents the arithmetic > > instructions from being able to set the CC register and have that value > > be used. > > See the define_subst patterns, they automatically compute the other form. >