From: Jeff Law <jeffreyalaw@gmail.com>
To: "Christoph Müllner" <christoph.muellner@vrull.eu>
Cc: Nathan Huckleberry <nhuck@google.com>,
binutils@sourceware.org, nhuck@pmull.org
Subject: Re: [PATCH 09/14] Allow nested implications for extensions.
Date: Sat, 1 Jul 2023 07:08:38 -0600 [thread overview]
Message-ID: <5d38feac-80b6-9257-435f-8531aab5f1a4@gmail.com> (raw)
In-Reply-To: <CAEg0e7ji1UkDbqrN+0yy4DOwGdK9QUmCbLqX1=8HBPyxHiHyBQ@mail.gmail.com>
On 6/30/23 23:22, Christoph Müllner wrote:
> On Sat, Jul 1, 2023 at 12:24 AM Jeff Law <jeffreyalaw@gmail.com> wrote:
>>
>>
>>
>> On 6/30/23 15:53, Christoph Müllner wrote:
>>> On Fri, Jun 30, 2023 at 10:45 PM Jeff Law via Binutils
>>> <binutils@sourceware.org> wrote:
>>>>
>>>>
>>>>
>>>> On 6/29/23 11:18, Nathan Huckleberry via Binutils wrote:
>>>>> Certain extensions require two levels of implications. For example,
>>>>> zvkng implies zvkn and zvkn implies zvkned. Enabling zvkng should also
>>>>> enable zvkned.
>>>>>
>>>>> This patch fixes this behavior.
>>>>>
>>>>> Signed-off-by: Nathan Huckleberry <nhuck@google.com>
>>>>> ---
>>>>> bfd/elfxx-riscv.c | 16 ++++++++++++++--
>>>>> 1 file changed, 14 insertions(+), 2 deletions(-)
>>>> No problem with the actual code. I would suggest a comment explicitly
>>>> stating this only allows two levels rather than arbitrary levels of nesting.
>>>
>>> If I read the resulting code correctly, then arbitrary nesting should
>>> be possible.
>>> Whenever an implicit subset is found and added, `finished` will be set to false,
>>> `t` will be reset to the initial value and the inner loop will terminate.
>>> The outer loop will start over because `finished` is false.
>>> Do I miss something?
>> This is making my brain hurt, too late on a Friday afternoon to think.
>> I should just put it under the debugger (the downside of trying to
>> review code for a hands-on learner), but I don't have the time right
>> now. ISTM there needs to be a worklist of things we've found that we
>> then need to scan.
>>
>> But I'll trust you on this, you're a lot more familiar with this code in
>> general than I am.
>>
>> I wouldn't lose any sleep if you fixed formatting in this code. We're
>> supposed to be using GNU style. So the open curley on the IF statement
>> should be on its own line, indented twice (which implies the code in the
>> TRUE arm ought to be reindented) and the close curley should line up
>> with the open curley.
>
> I tested all patches with check_GNU_style.sh and it only found
> what you have commented here.
>
> Since nobody has pushed this series so far, I have updated the code
> and sent out a v6
> which can also be found here:
> https://github.com/cmuellner/binutils-gdb/tree/riscv-zvk-v6
Thank you! That'll be so much easier than applying things by hand!
Fetching that remote now ;-)
jeff
next prev parent reply other threads:[~2023-07-01 13:08 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-29 17:18 [PATCH 00/14] Support RISC-V Vector Cryptography Extensions Nathan Huckleberry
2023-06-29 17:18 ` [PATCH 01/14] Add support for the Zvbb ISA extension Nathan Huckleberry
2023-06-30 17:51 ` Jeff Law
2023-06-30 20:29 ` Christoph Müllner
2023-06-30 20:57 ` Jeff Law
2023-06-30 22:01 ` Christoph Müllner
2023-06-30 22:16 ` Palmer Dabbelt
2023-06-29 17:18 ` [PATCH 02/14] Add support for the Zvbc " Nathan Huckleberry
2023-06-30 17:56 ` Jeff Law
2023-06-29 17:18 ` [PATCH 03/14] Add support for the Zvkg " Nathan Huckleberry
2023-06-29 17:18 ` [PATCH 04/14] Add support for the Zvkned " Nathan Huckleberry
2023-06-30 19:30 ` Jeff Law
2023-06-29 17:18 ` [PATCH 05/14] Add support for the Zvknh[a,b] ISA extensions Nathan Huckleberry
2023-06-30 19:33 ` Jeff Law
2023-06-29 17:18 ` [PATCH 06/14] Add support for the Zvksed ISA extension Nathan Huckleberry
2023-06-30 20:06 ` Jeff Law
2023-06-29 17:18 ` [PATCH 07/14] Adds support for the Zvksh " Nathan Huckleberry
2023-06-30 20:08 ` Jeff Law
2023-06-29 17:18 ` [PATCH 08/14] Add support for the Zvkn " Nathan Huckleberry
2023-06-30 20:12 ` Jeff Law
2023-06-29 17:18 ` [PATCH 09/14] Allow nested implications for extensions Nathan Huckleberry
2023-06-30 20:44 ` Jeff Law
2023-06-30 21:53 ` Christoph Müllner
2023-06-30 22:24 ` Jeff Law
2023-06-30 23:48 ` Nathan Huckleberry
2023-07-01 5:22 ` Christoph Müllner
2023-07-01 13:08 ` Jeff Law [this message]
2023-07-01 13:33 ` Jeff Law
2023-07-02 20:01 ` Christoph Müllner
2023-07-05 21:29 ` Jeff Law
2023-06-29 17:18 ` [PATCH 10/14] Add support for the Zvkng ISA extension Nathan Huckleberry
2023-06-30 20:14 ` Jeff Law
2023-06-29 17:18 ` [PATCH 11/14] Add support for the Zvks " Nathan Huckleberry
2023-06-29 17:18 ` [PATCH 12/14] Add support for the Zvksg " Nathan Huckleberry
2023-06-29 17:18 ` [PATCH 13/14] Add support for the Zvknc " Nathan Huckleberry
2023-06-29 17:18 ` [PATCH 14/14] Add support for the Zvksc " Nathan Huckleberry
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