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

[Thorsten Schütt via llvm-commits]

tschuett wrote:

@topperc how is RISC-V handling this with GlobalISel? I bet you also have vectorized predicated instructions.

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