ac/nir: fix 64-bit division for GL CTS

This fixes: KHR-GL45.gpu_shader_fp64.builtin.mod_*

Fixes: ba2ec1f3 "ac/nir: use llvm.amdgcn.rcp in ac_build_fdiv()"

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5531>
2 files changed