https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64672
--- Comment #15 from rguenther at suse dot de <rguenther at suse dot de> --- On Wed, 21 Jan 2015, vries at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64672 > > --- Comment #14 from vries at gcc dot gnu.org --- > (In reply to rguent...@suse.de from comment #13) > > But I prever -fopenmp/-fopenacc as LTO > > options. > > > > What is the rationale for the preference ? Might be required for -fparallelize-loops or vectorization to work (not sure)? > If we go with -fopenmp/-fopenacc as LTO options, we still have to address what > happens when combining different settings for -fopenmp/-fopenacc in lto. > AFAIU, > we have to add handling them as 'union' options in lto-wrapper.c. Yes.
