From: Max Filippov <jcmvbkbc@gmail.com>
To: "Takayuki 'January June' Suwa" <jjsuwa_sys3175@yahoo.co.jp>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] xtensa: Make use of CLAMPS instruction if configured
Date: Sun, 26 Feb 2023 17:26:02 -0800 [thread overview]
Message-ID: <CAMo8BfLOnraey7tkOv17MNLX=ep4qUQiUnNXQrjemVaZB+zvMQ@mail.gmail.com> (raw)
In-Reply-To: <76202f6e-a28a-9132-8838-aaff0b252847@yahoo.co.jp>
On Sun, Feb 26, 2023 at 9:27 AM Takayuki 'January June' Suwa
<jjsuwa_sys3175@yahoo.co.jp> wrote:
> This patch introduces the use of CLAMPS instruction when the instruction
> is configured.
Testing.
> (Totally off-topic, but do you know anything about the SALT/SALTU instructions?
> I see them in the "Core Architecture Instructions" in a recent Cadence document
> but not in slightly older Tensilica one...)
Yes, they are a part of the core xtensa instruction set since the
release RG-2015.0.
I believe this translates to the test (XTENSA_MARCH_EARLIEST >= 260000).
There's a chapter "Added instructions" at the end of the xtensa ISA book with
the list of such opcodes.
--
Thanks.
-- Max
next prev parent reply other threads:[~2023-02-27 1:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <76202f6e-a28a-9132-8838-aaff0b252847.ref@yahoo.co.jp>
2023-02-26 17:27 ` Takayuki 'January June' Suwa
2023-02-27 1:26 ` Max Filippov [this message]
2023-02-27 12:10 ` Max Filippov
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