[PATCH RFC 0/2] x86: don't enable deprecated ISA extensions by default

[Jiang, Haochen]

> From: Jan Beulich <jbeulich@suse.com>
> Sent: Friday, November 15, 2024 6:58 PM
> 
> Beyond that there are further discontinued extensions, which however gcc still
> supports: HLE and VP2INTERSECT on the Intel side, TBM, XOP, FMA4, and LWP
> for AMD. Question is what (if anything) to do there, which may depend on
> what gcc's plans are.
> 

I agree. If GCC removed them, it should be the time not enabling them by default
in Binutils.

BTW, VP2INTERSECT should be on Zen5 if I remember correctly, it won't be removed
In the near future.

Thx,
Haochen