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

[Thorsten Schütt via llvm-commits]

tschuett wrote:

The SDAG is C++ first. They don't need fneg patterns. The select in C++. AFAIK, there is no mechanism to disable/enable patterns for different backends. As there is no such mechanism, they are probably more annoying  than helpful.


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