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Re: [PATCH 1/2] arm: Implement memcpy ifunc selection in C
On 09/10/2017 08:59, Ramana Radhakrishnan wrote:
>> That is, we should fix the default in GCC mainline and then propose glibc
>> changes that do not involve such workarounds. (Arguably the default
>> should be to support the attribute for all architectures, to avoid future
>> issues when new architectures gain binutils support for IFUNCs after the
>> GCC 8 release.)
>
> Is there a patch for this to mainline gcc - my quick searches did not
> find anything ? I see no reason for not defaulting to this on linux /
> glibc configurations in mainline gcc taking care not to break things
> for people who use musl or bionic. We've had ifuncs on aarch32 glibc /
> binutils for a few years now IIRC so I'm happy to review a patch on
> gcc-patches if someone can point me at it or propose a patch ....
I will on on it, the patch should be simple enough as the one for
sparc [1].
[1] https://gcc.gnu.org/ml/gcc-patches/2017-09/msg01779.html