Hi!
Sorry the review took a while.
On Fri, Aug 11, 2017 at 12:28:16PM +0930, Alan Modra wrote:
> * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't restore
> fixed regs.
> diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
> index 74158cd..b628808 100644
> ---
As noted in fixed_reg_p comment
/* Return whether REG is a global user reg or has been specifed by
-ffixed-REG. We should not restore these, and so cannot use
lmw or out-of-line restore functions if there are any. We also
can't save them (well, emit frame notes for them), because frame
