From: Leo Liang <ycliang@andestech.com>
To: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Cc: Rick Chen <rick@andestech.com>, Yao Zi <ziyao@disroot.org>,
E Shattow <e@freeshell.de>, Hal Feng <hal.feng@starfivetech.com>,
Mayuresh Chitale <mchitale@ventanamicro.com>,
Minda Chen <minda.chen@starfivetech.com>, <u-boot@lists.denx.de>,
Heinrich Schuchardt <zfsdt@canonical.com>
Subject: Re: [PATCH 1/2] RISC-V: implement private GCC library
Date: Thu, 4 Dec 2025 19:54:10 +0800 [thread overview]
Message-ID: <aTF2YsjAwDB58eBL@swlinux02> (raw)
In-Reply-To: <20251201174705.652626-2-zfsdt@canonical.com>
On Mon, Dec 01, 2025 at 06:47:04PM +0100, Heinrich Schuchardt wrote:
> [EXTERNAL MAIL]
>
> From: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
>
> The following functions are provided:
>
> Count leading zero bits
>
> * int __clzsi2 (unsigned int a)
> * int __clzdi2 (unsigned long a)
> * int __clzti2 (unsigned long long a)
>
> Count trailing zero bits
>
> * int __ctzsi2 (unsigned int a)
> * int __ctzdi2 (unsigned long a)
> * int __ctzti2 (unsigned long long a)
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
> Signed-off-by: Heinrich Schuchardt <zfsdt@canonical.com>
> ---
> arch/Kconfig | 1 +
> arch/riscv/lib/Makefile | 2 +
> arch/riscv/lib/clz.c | 105 ++++++++++++++++++++++++++++++++++++++++
> arch/riscv/lib/ctz.c | 95 ++++++++++++++++++++++++++++++++++++
> lib/Kconfig | 2 +-
> 5 files changed, 204 insertions(+), 1 deletion(-)
> create mode 100644 arch/riscv/lib/clz.c
> create mode 100644 arch/riscv/lib/ctz.c
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
next prev parent reply other threads:[~2025-12-04 11:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-01 17:47 [PATCH 0/2] RISC-V: implement private GCC library Heinrich Schuchardt
2025-12-01 17:47 ` [PATCH 1/2] " Heinrich Schuchardt
2025-12-04 11:53 ` Leo Liang
2025-12-04 11:54 ` Leo Liang [this message]
2025-12-01 17:47 ` [PATCH 2/2] test: provide unit tests for the RISC-V " Heinrich Schuchardt
2025-12-02 12:25 ` [PATCH 0/2] RISC-V: implement " Mark Kettenis
-- strict thread matches above, loose matches on Subject: below --
2025-12-01 17:49 Heinrich Schuchardt
2025-12-01 17:49 ` [PATCH 1/2] " Heinrich Schuchardt
2025-12-02 3:57 ` Yao Zi
2025-12-02 4:59 ` Heinrich Schuchardt
2025-12-02 5:28 ` Icenowy Zheng
2025-12-02 6:15 ` Heinrich Schuchardt
2025-12-02 7:03 ` Icenowy Zheng
2025-12-02 10:02 ` Heinrich Schuchardt
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