Re: [PATCH 09/10] tcg/riscv: Use tcg_use_softmmu

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

On 3/10/23 19:43, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   tcg/riscv/tcg-target.c.inc | 189 +++++++++++++++++++------------------
>   1 file changed, 97 insertions(+), 92 deletions(-)


> @@ -2075,10 +2080,10 @@ static void tcg_target_qemu_prologue(TCGContext *s)
>                      TCG_REG_SP, SAVE_OFS + i * REG_SIZE);
>       }
>   
> -#if !defined(CONFIG_SOFTMMU)
> -    tcg_out_movi(s, TCG_TYPE_PTR, TCG_GUEST_BASE_REG, guest_base);
> -    tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG);
> -#endif
> +    if (!tcg_use_softmmu && guest_base) {

Do you mind mentioning the 'guest_base' change here?

> +        tcg_out_movi(s, TCG_TYPE_PTR, TCG_GUEST_BASE_REG, guest_base);
> +        tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG);
> +    }
>   
>       /* Call generated code */
>       tcg_out_mov(s, TCG_TYPE_PTR, TCG_AREG0, tcg_target_call_iarg_regs[0]);