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Re: [PATCH v5 42/57] tcg/tci: Split out tcg_out_op_r[iI]


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH v5 42/57] tcg/tci: Split out tcg_out_op_r[iI]
Date: Wed, 17 Mar 2021 00:39:45 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0

"And support mov_i64 on 32-bit host"?

On 3/11/21 3:39 PM, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  tcg/tci/tcg-target.c.inc | 50 ++++++++++++++++++++++++++++------------
>  1 file changed, 35 insertions(+), 15 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

>  static void tcg_out_movi(TCGContext *s, TCGType type,
> -                         TCGReg t0, tcg_target_long arg)
> +                         TCGReg ret, tcg_target_long arg)
>  {
> -    uint8_t *old_code_ptr = s->code_ptr;
> -    uint32_t arg32 = arg;
> -    if (type == TCG_TYPE_I32 || arg == arg32) {
> -        tcg_out_op_t(s, INDEX_op_tci_movi_i32);
> -        tcg_out_r(s, t0);
> -        tcg_out32(s, arg32);
> -    } else {
> -        tcg_debug_assert(type == TCG_TYPE_I64);
> +    switch (type) {
> +    case TCG_TYPE_I32:
> +        tcg_out_op_ri(s, INDEX_op_tci_movi_i32, ret, arg);
> +        break;
>  #if TCG_TARGET_REG_BITS == 64
> -        tcg_out_op_t(s, INDEX_op_tci_movi_i64);
> -        tcg_out_r(s, t0);
> -        tcg_out64(s, arg);
> -#else
> -        TODO();
> +    case TCG_TYPE_I64:
> +        tcg_out_op_rI(s, INDEX_op_tci_movi_i64, ret, arg);
> +        break;
>  #endif
> +    default:
> +        g_assert_not_reached();
>      }
> -    old_code_ptr[1] = s->code_ptr - old_code_ptr;
>  }
>  
>  static void tcg_out_call(TCGContext *s, const tcg_insn_unit *arg)
> 



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