native_exp10: Switch implementation to llvm intrinsic

v2: Use native_log2 instead of wrong constant

Reviewer: Jeroen Ketema
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 317941
GitOrigin-RevId: 6b4a625438983ab8dc84b087a90c9d9bb94ffdde
4 files changed