On 07/31/2016 07:42 PM, Segher Boessenkool wrote:
Again, how is this different from a normal epilogue that restores registers which regrename seems to not muck with.A restore is supposed to restore some certain register. Restoring it into some other register will not work. Don't.2016-06-07 Segher Boessenkool <seg...@kernel.crashing.org> * regrename.c (build_def_use): Invalidate chains that have a REG_CFA_RESTORE on some instruction.
Jeff