amdgpu/half_exp: Switch implementation to native_exp

Reviewer: Tom Stellard <tstellar@redhat.com>
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 325055
GitOrigin-RevId: 4879dd74718e6765b6943a885a06fbddf31999db
2 files changed