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From: Uros Bizjak <ubizjak@gmail.com>
To: liuhongt <hongtao.liu@intel.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] [x86] Remove unused mmx_pinsrw.
Date: Fri, 20 Oct 2023 10:18:57 +0200	[thread overview]
Message-ID: <CAFULd4Zr3=vo8RSqQW1miow-DPP1m-hgM8htDdOh6aaOCxiBZQ@mail.gmail.com> (raw)
In-Reply-To: <20231020065401.1086359-1-hongtao.liu@intel.com>

On Fri, Oct 20, 2023 at 8:54 AM liuhongt <hongtao.liu@intel.com> wrote:
>
> When I'm working on enable more 32/64-bit vectorization for _Float16,
> I notice there's 1 redundant define_expand, the patch removed the expander.
>
> Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,}.
> Ok for trunk?
>
> gcc/ChangeLog:
>
>         * config/i386/mmx.md (mmx_pinsrw): Removed.

Please use present tense in the ChangeLog (like, you are commanding
what to do here).

OK.

Thanks,
Uros.

> ---
>  gcc/config/i386/mmx.md | 14 --------------
>  1 file changed, 14 deletions(-)
>
> diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
> index 491a0a51272..d1e1f733566 100644
> --- a/gcc/config/i386/mmx.md
> +++ b/gcc/config/i386/mmx.md
> @@ -4574,20 +4574,6 @@ (define_insn "*mmx_pinsrd"
>     (set_attr "prefix" "orig,vex")
>     (set_attr "mode" "TI")])
>
> -(define_expand "mmx_pinsrw"
> -  [(set (match_operand:V4HI 0 "register_operand")
> -        (vec_merge:V4HI
> -          (vec_duplicate:V4HI
> -            (match_operand:SI 2 "nonimmediate_operand"))
> -         (match_operand:V4HI 1 "register_operand")
> -          (match_operand:SI 3 "const_0_to_3_operand")))]
> -  "(TARGET_MMX || TARGET_MMX_WITH_SSE)
> -   && (TARGET_SSE || TARGET_3DNOW_A)"
> -{
> -  operands[2] = gen_lowpart (HImode, operands[2]);
> -  operands[3] = GEN_INT (1 << INTVAL (operands[3]));
> -})
> -
>  (define_insn "*mmx_pinsrw"
>    [(set (match_operand:V4HI 0 "register_operand" "=y,x,YW")
>          (vec_merge:V4HI
> --
> 2.31.1
>

      reply	other threads:[~2023-10-20  8:19 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-20  6:54 liuhongt
2023-10-20  8:18 ` Uros Bizjak [this message]

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