From: Xi Ruoyao <xry111@xry111.site>
To: Lulu Cheng <chenglulu@loongson.cn>, gcc-patches@gcc.gnu.org
Cc: WANG Xuerui <i@xen0n.name>, Chenghua Xu <xuchenghua@loongson.cn>
Subject: Pushed: [PATCH] LoongArch: Generate bytepick.[wd] for suitable bit operation pattern
Date: Mon, 06 Feb 2023 21:55:37 +0800 [thread overview]
Message-ID: <65dd2fdc0e0d8f4f376970ce4bbe4343aaba9fa7.camel@xry111.site> (raw)
In-Reply-To: <046c8fce-99b8-17aa-e0e2-d3a17430ccc7@loongson.cn>
On Mon, 2023-02-06 at 21:07 +0800, Lulu Cheng wrote:
>
> 在 2023/2/4 上午1:50, Xi Ruoyao 写道:
> > We can use bytepick.[wd] for
> >
> > a << (8 * x) | b >> (8 * (sizeof(a) - x))
> >
> > while a and b are uint32_t or uint64_t. This is useful for some cases,
> > for example:
> > https://sourceware.org/pipermail/libc-alpha/2023-February/145203.html
> >
> > Bootstrapped and regtested on loongarch64-linux-gnu.
> > Ok for trunk (now or GCC 14 stage 1)?
>
> LGTM!
>
> I think this change is not big and can be merged into the trunk branch.
Pushed r13-5710.
--
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University
prev parent reply other threads:[~2023-02-06 13:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-03 17:50 Xi Ruoyao
2023-02-06 13:07 ` Lulu Cheng
2023-02-06 13:55 ` Xi Ruoyao [this message]
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