> On 14 Apr 2025, at 19:06, Alfie Richards <alfie.richa...@arm.com> wrote:
>
> Hi Yangyu,
>
> This looks great with what we discussed previously.
>
> I have a very similar patch that implements a slightly stronger optimisation
> that I was about to send. It makes use of information if the caller is
> versioned. I will share this with you shortly and we can work out what we
> wish to use?
Sure! Thank you!
Thanks,
Yangyu Chen
>
> Kind regards,
> Alfie
>
> On 14/04/2025 10:00, Yangyu Chen wrote:
>> This patchset implements a new feature to redirect to a specific target
>> based on the TARGET_VERSION_COMPATIBLE macro. This allows for more
>> precise FMV callee selection and better performance for certain
>> architectures. Especially for those callee that needs to be inlined,
>> this patchset can help to avoid unnecessary function calls and improve
>> performance. The idea comes from the previous dicussion on the
>> gcc-patches mailing list [1].
>> Additionally, this patchset also includes a implementation of
>> TARGET_VERSION_COMPATIBLE for RISC-V, which allows for more
>> flexibility in selecting the target version for RISC-V architectures.
>> [1] https://patchwork.sourceware.org/comment/197172/
>> Yangyu Chen (3):
>> Redirect to specific target based on TARGET_VERSION_COMPATIBLE
>> RISC-V: Split parse_features_for_version with cl_target_option
>> returned
>> RISC-V: Implement TARGET_VERSION_COMPATIBLE
>> gcc/config/riscv/riscv.cc | 84 ++++++++++++++++++++++++++++-----------
>> gcc/doc/tm.texi | 7 ++++
>> gcc/doc/tm.texi.in | 2 +
>> gcc/multiple_target.cc | 58 +++++++++++++++++----------
>> gcc/target.def | 12 ++++++
>> 5 files changed, 118 insertions(+), 45 deletions(-)
>
