Re: [Qemu-devel] [RFC v1 20/23] riscv: tcg-target: Add the target init code

[Richard Henderson]

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?


r~