https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97715
--- Comment #13 from Qing Zhao <qing.zhao at oracle dot com> --- > On Nov 4, 2020, at 10:04 AM, jakub at gcc dot gnu.org > <gcc-bugzi...@gcc.gnu.org> wrote: > --- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> --- > I think you should do: > --- gcc/function.c 2020-10-31 17:41:19.756740009 +0100 > +++ gcc/function.c 2020-11-04 17:02:51.199298173 +0100 > @@ -5871,6 +5871,8 @@ gen_call_used_regs_seq (rtx_insn *ret, u > continue; > if (fixed_regs[regno]) > continue; > + if (!TEST_HARD_REG_BIT (accessible_reg_set, regno)) > + continue; > if (REGNO_REG_SET_P (live_out, regno))\ Yes, this looks like a better solution. I will add this fix.
