[llvm] [GlobalISel][AArch64] Legalize G_FABS and G_FNEG for SVE (PR #114784)

[Craig Topper via llvm-commits]

Thorsten =?utf-8?q?Schütt?= <schuett at gmail.com>,
Thorsten =?utf-8?q?Schütt?= <schuett at gmail.com>,
Thorsten =?utf-8?q?Schütt?= <schuett at gmail.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/114784 at github.com>


topperc wrote:

> But then we could legalize G_ADD for wide fixed length vectors and add/generate patterns or do the work in C++.

Yes there are several options. Which option is what needs to be evaluated and agreed upon amongst the AArch64 stakeholders. Moving forward on SVE without an overall plan risks needing to throw away a bunch of work down the road.

https://github.com/llvm/llvm-project/pull/114784