From: Ralf Baechle <ralf@linux-mips.org>
To: "Maciej W. Rozycki" <macro@imgtec.com>
Cc: Matthew Fortune <Matthew.Fortune@imgtec.com>,
binutils@sourceware.org
Subject: Re: [committed] MIPS/GAS: Fix an ISA override not lifting ABI restrictions
Date: Fri, 22 Apr 2016 01:12:00 -0000 [thread overview]
Message-ID: <20160422011230.GL24051@linux-mips.org> (raw)
In-Reply-To: <alpine.DEB.2.00.1604212314170.21846@tp.orcam.me.uk>
On Fri, Apr 22, 2016 at 01:26:55AM +0100, Maciej W. Rozycki wrote:
> Hi,
>
> The new test suite cases should reasonably cover the semantics of ISA
> overrides, as far as both code generation and code rejection is concerned.
> I had to factor in some limitations which I plan to resolve later:
>
> 1. The list test infrastructure does not allow to name a different source
> file. To address this I repeated the same source for output variants.
>
> 2. There's an outstanding issue with ISA overrides where the new ISA does
> not support ISA extensions selected. A warning is printed in that
> case. I had an off-list discussion a while ago and the consensus was
> any unsupported ISA extensions should be quietly temporarily disabled.
> Meanwhile I have added extra patterns for `octeon3' assembly which
> triggers the problem.
>
> This issue was discovered in automatic Linux kernel testing. Thanks,
> Ralf, for bringing my attention to it!
Excellent, thank you!
Will the patch also work for 2.25 and 2.26?
Ralf
next prev parent reply other threads:[~2016-04-22 1:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-22 0:27 Maciej W. Rozycki
2016-04-22 1:12 ` Ralf Baechle [this message]
2016-04-22 1:28 ` Maciej W. Rozycki
2016-04-22 3:36 ` Hans-Peter Nilsson
2016-04-22 13:21 ` Maciej W. Rozycki
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