From: Richard Earnshaw <rearnsha@arm.com>
To: Andrew Stubbs <ams@codesourcery.com>
Cc: gcc-patches@gcc.gnu.org, patches@linaro.org
Subject: Re: [PATCH][ARM] add support for some missing 16-bit multiplication insns
Date: Thu, 02 Jun 2011 15:47:00 -0000 [thread overview]
Message-ID: <1307029640.17090.7.camel@e102346-lin.cambridge.arm.com> (raw)
In-Reply-To: <4DDFD307.6010808@codesourcery.com>
On Fri, 2011-05-27 at 17:36 +0100, Andrew Stubbs wrote:
> Hi all,
>
> This patch adds support for the ARM SMLALTB, SMLALTT, SMLATB, and SMLATT
> instructions.
>
> These instructions do HImode -> DI/SImode widening
> multiply-and-accumulate with one or both operands taken from the top 16
> bits of the source register.
>
> Note that this patch won't do much until my other patch for canonical
> mult patterns is applied.
>
> OK?
>
> Andrew
OK.
R.
next prev parent reply other threads:[~2011-06-02 15:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-27 17:54 Andrew Stubbs
2011-06-02 15:47 ` Richard Earnshaw [this message]
2011-06-07 11:06 ` Andrew Stubbs
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