[llvm] [GlobalISel][AArch64] Implement `llvm.{get,set}.rounding` lowering (PR #210665)

[Nathan Corbyn via llvm-commits]

=?utf-8?q?Ömer_Sinan_Ağacan?= <omeragacan at gmail.com>,
=?utf-8?q?Ömer_Sinan_Ağacan?= <omeragacan at gmail.com>,
=?utf-8?q?Ömer_Sinan_Ağacan?= <omer at osa1.net>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/210665 at github.com>


cofibrant wrote:

> Any more comments on this @arsenm @cofibrant?

I thought the plan was to add `#0` to the `set_rounding` test and rewriting the `fadd`s in that test to the constrained intrinsic version

https://github.com/llvm/llvm-project/pull/210665