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From: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>
To: Xi Ruoyao <xry111@xry111.site>, libc-alpha@sourceware.org
Cc: caiyinyu <caiyinyu@loongson.cn>, Wang Xuerui <i@xen0n.name>
Subject: Re: [PATCH] LoongArch: Add math-barriers.h
Date: Wed, 15 Feb 2023 11:25:34 -0300	[thread overview]
Message-ID: <2bd6fce7-d77c-e034-934f-31f85afb9549@linaro.org> (raw)
In-Reply-To: <a75c8cc124e637bbc527e43abb9d964f22942814.camel@xry111.site>



On 15/02/23 11:22, Xi Ruoyao wrote:
> On Wed, 2023-02-15 at 10:47 -0300, Adhemerval Zanella Netto wrote:
>> On 14/02/23 05:57, Xi Ruoyao via Libc-alpha wrote:
>>> This patch implements the LoongArch specific math barriers in order to omit
>>> the store and load from stack if possible.
>>
>> LGTM, I have not see any regression with qemu.  As a side note, math/test-fenv
>> shows a failure so you might take a look, you might need to update ULPs as well.
> 
> Hmm, on a real hardware I saw no failures even with GCC 13 trunk (some
> aggressive FVRP optimization has been added into GCC 13). But maybe
> things have been changed since my last test.  I'll test again.

I meant that I saw math/test-fenv failures with and without the patch
and I the master qemu (f670b3eec7f5d1ed8c4573ef244e7b8c6b32001b).

> 
>> Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
> 

  reply	other threads:[~2023-02-15 14:25 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-14  8:57 Xi Ruoyao
2023-02-15 13:47 ` Adhemerval Zanella Netto
2023-02-15 14:22   ` Xi Ruoyao
2023-02-15 14:25     ` Adhemerval Zanella Netto [this message]
2023-02-16 13:02       ` Xi Ruoyao
2023-02-16 13:43         ` Adhemerval Zanella Netto
2023-02-27 10:45           ` Xi Ruoyao
2023-02-27 11:23             ` Adhemerval Zanella Netto
2023-02-27 11:25               ` WANG Xuerui

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