From: Xi Ruoyao <xry111@mengyan1223.wang>
To: "Raut, S Biplab" <Biplab.Raut@amd.com>,
"gcc-help@gcc.gnu.org" <gcc-help@gcc.gnu.org>
Subject: Re: Compile time errors on using target attribute for Function Multi Versioning
Date: Fri, 22 Apr 2022 15:36:32 +0800 [thread overview]
Message-ID: <8cb9e6d0e8ece312768d0cb373cb05ca8e8e13d4.camel@mengyan1223.wang> (raw)
In-Reply-To: <DM4PR12MB5166A2758E1C4963C09422D6F5F79@DM4PR12MB5166.namprd12.prod.outlook.com>
On Fri, 2022-04-22 at 07:09 +0000, Raut, S Biplab via Gcc-help wrote:
> Hi All,
> I want to support Function Multi Versioning (FMV) in my code
> by using GCC's "target" attribute.
> Few functions in my program are hand-written intrinsic codes, so I
> would prefer to use "target" over "target_clones" attribute.
> But, I am getting function redefinition errors for the multiple
> versions of the function when I try to compile the test program.
>
> Please find the details below:
> Source code is based on:-
> https://gcc.gnu.org/wiki/FunctionMultiVersioning#:~:text=1%20__attribute__%20((target,return%200%3B%0A%20%2033%20%7D
Please read the page carefully:
"Support is only available in C++ for i386 targets."
--
Xi Ruoyao <xry111@mengyan1223.wang>
School of Aerospace Science and Technology, Xidian University
next prev parent reply other threads:[~2022-04-22 7:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-22 7:09 Raut, S Biplab
2022-04-22 7:36 ` Xi Ruoyao [this message]
2022-04-22 8:17 ` Raut, S Biplab
2022-04-22 9:27 ` Xi Ruoyao
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