On 11/20/18 12:04 AM, Alistair Francis wrote: > On Fri, Nov 16, 2018 at 9:26 AM Richard Henderson > <richard.hender...@linaro.org> wrote: >> >> On 11/15/18 11:36 PM, Alistair Francis wrote: >>> + tcg_regset_set_reg(s->reserved_regs, TCG_REG_L0); >>> + tcg_regset_set_reg(s->reserved_regs, TCG_REG_L1); >>> + tcg_regset_set_reg(s->reserved_regs, TCG_REG_RA); >> >> Why are these three reserved? > > Do these not need to be? I thought we had to reserve them.
The return address, I presume, has been saved by the prologue. I see no reason why it can't be yet another call-clobbered register. As for the other two... what are they supposed to be? r~
