On Fri, Oct 10, 2025 at 11:52 PM Philippe Mathieu-Daudé
<[email protected]> wrote:
>
> Replace compile-time #ifdef with a runtime check to ensure all code
> paths are built and tested. This reduces build-time configuration
> complexity and improves maintainability.
>
> No functional change intended.
>
> Signed-off-by: Philippe Mathieu-Daudé <[email protected]>

Reviewed-by: Alistair Francis <[email protected]>

Alistair

> ---
>  target/riscv/vector_helper.c            | 32 ++++++++++++-------------
>  target/riscv/insn_trans/trans_rvv.c.inc | 16 ++++++-------
>  2 files changed, 24 insertions(+), 24 deletions(-)
>
> diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
> index 41ea2231067..2de3358ee86 100644
> --- a/target/riscv/vector_helper.c
> +++ b/target/riscv/vector_helper.c
> @@ -235,26 +235,26 @@ vext_continuous_ldst_host(CPURISCVState *env, 
> vext_ldst_elem_fn_host *ldst_host,
>                          void *vd, uint32_t evl, uint32_t reg_start, void 
> *host,
>                          uint32_t esz, bool is_load)
>  {
> -#if HOST_BIG_ENDIAN
> -    for (; reg_start < evl; reg_start++, host += esz) {
> -        ldst_host(vd, reg_start, host);
> -    }
> -#else
> -    if (esz == 1) {
> -        uint32_t byte_offset = reg_start * esz;
> -        uint32_t size = (evl - reg_start) * esz;
> -
> -        if (is_load) {
> -            memcpy(vd + byte_offset, host, size);
> -        } else {
> -            memcpy(host, vd + byte_offset, size);
> -        }
> -    } else {
> +    if (HOST_BIG_ENDIAN) {
>          for (; reg_start < evl; reg_start++, host += esz) {
>              ldst_host(vd, reg_start, host);
>          }
> +    } else {
> +        if (esz == 1) {
> +            uint32_t byte_offset = reg_start * esz;
> +            uint32_t size = (evl - reg_start) * esz;
> +
> +            if (is_load) {
> +                memcpy(vd + byte_offset, host, size);
> +            } else {
> +                memcpy(host, vd + byte_offset, size);
> +            }
> +        } else {
> +            for (; reg_start < evl; reg_start++, host += esz) {
> +                ldst_host(vd, reg_start, host);
> +            }
> +        }
>      }
> -#endif
>  }
>
>  static void vext_set_tail_elems_1s(target_ulong vl, void *vd,
> diff --git a/target/riscv/insn_trans/trans_rvv.c.inc 
> b/target/riscv/insn_trans/trans_rvv.c.inc
> index f4b5460340e..2a487179f63 100644
> --- a/target/riscv/insn_trans/trans_rvv.c.inc
> +++ b/target/riscv/insn_trans/trans_rvv.c.inc
> @@ -3351,19 +3351,19 @@ static void load_element(TCGv_i64 dest, TCGv_ptr base,
>  /* offset of the idx element with base register r */
>  static uint32_t endian_ofs(DisasContext *s, int r, int idx)
>  {
> -#if HOST_BIG_ENDIAN
> -    return vreg_ofs(s, r) + ((idx ^ (7 >> s->sew)) << s->sew);
> -#else
> -    return vreg_ofs(s, r) + (idx << s->sew);
> -#endif
> +    if (HOST_BIG_ENDIAN) {
> +        return vreg_ofs(s, r) + ((idx ^ (7 >> s->sew)) << s->sew);
> +    } else {
> +        return vreg_ofs(s, r) + (idx << s->sew);
> +    }
>  }
>
>  /* adjust the index according to the endian */
>  static void endian_adjust(TCGv_i32 ofs, int sew)
>  {
> -#if HOST_BIG_ENDIAN
> -    tcg_gen_xori_i32(ofs, ofs, 7 >> sew);
> -#endif
> +    if (HOST_BIG_ENDIAN) {
> +        tcg_gen_xori_i32(ofs, ofs, 7 >> sew);
> +    }
>  }
>
>  /* Load idx >= VLMAX ? 0 : vreg[idx] */
> --
> 2.51.0
>
>

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