From: Alan Modra <amodra@gmail.com>
To: Peter Bergner <bergner@linux.ibm.com>
Cc: Binutils <binutils@sourceware.org>
Subject: Re: PowerPC: Create new MMA instruction masks and use them
Date: Thu, 21 Jul 2022 13:40:06 +0930 [thread overview]
Message-ID: <YtjRnvUw+67TdVGK@squeak.grove.modra.org> (raw)
In-Reply-To: <278136c6-351e-c777-1829-a6da4ade7766@linux.ibm.com>
On Wed, Jul 20, 2022 at 07:01:35PM -0500, Peter Bergner wrote:
> The MMA instructions use XX3_MASK|3<<21 as an instruction mask, but that
> misses the RC bit/bit 31, so if we disassemble a .long that represents an
> MMA instruction except that it also has bit 31 set, we will erroneously
> disassemble it to that MMA instruction. We create new masks defines that
> contain bit 31 so that doesn't happen anymore.
>
> This passed testing on powerpc64le-linux with no regressions.
> I plan on pushing this tomorrow unless I hear some objections.
2.39 branch too, please.
--
Alan Modra
Australia Development Lab, IBM
next prev parent reply other threads:[~2022-07-21 4:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-21 0:01 Peter Bergner
2022-07-21 4:10 ` Alan Modra [this message]
2022-07-21 20:17 ` Peter Bergner
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