From: Kito Cheng <kito.cheng@gmail.com>
To: Kito Cheng <kito.cheng@sifive.com>
Cc: gcc-patches@gcc.gnu.org, palmer@dabbelt.com, jeffreyalaw@gmail.com
Subject: Re: [PATCH v2] Docs: Add vector register constarint for asm operands
Date: Wed, 3 May 2023 18:34:08 +0800 [thread overview]
Message-ID: <CA+yXCZDH_eQwUVJvwG+AzH5GaL97s4HZjhUVcP6Zp6kyNbKd3w@mail.gmail.com> (raw)
In-Reply-To: <20230427140106.40452-1-kito.cheng@sifive.com>
committed
On Thu, Apr 27, 2023 at 10:02 PM Kito Cheng via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> `vr`, `vm` and `vd` constarint for vector register constarint, those 3
> constarint has implemented on LLVM as well.
>
> gcc/ChangeLog:
>
> * doc/md.texi (RISC-V): Add vr, vm, vd constarint.
>
> ---
>
> V2 changes:
> - Drop unrelated changes.
>
> ---
> gcc/doc/md.texi | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
> index 07bf8bdebffb..cc4a93a87638 100644
> --- a/gcc/doc/md.texi
> +++ b/gcc/doc/md.texi
> @@ -3535,6 +3535,15 @@ An address that is held in a general-purpose register.
> @item S
> A constraint that matches an absolute symbolic address.
>
> +@item vr
> +A vector register (if available)..
> +
> +@item vd
> +A vector register, excluding v0 (if available).
> +
> +@item vm
> +A vector register, only v0 (if available).
> +
> @end table
>
> @item RX---@file{config/rx/constraints.md}
> --
> 2.39.2
>
prev parent reply other threads:[~2023-05-03 10:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-27 14:01 Kito Cheng
2023-05-03 10:34 ` Kito Cheng [this message]
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