On Sat, Jun 14, 2014 at 10:02 PM, Richard Sandiford wrote: > DF_REF_REG_USE_P and DF_MWS_REG_USE_P checked for null arguments > but the def equivalents didn't. There doesn't seem to be any > need for this difference.
Right, looking at the users (one user for each) of these macros, I don't think REF ever can be NULL. > gcc/ > * df.h (DF_REF_REG_USE_P, DF_MWS_REG_USE_P): Remove null checks. OK. Ciao! Steven
