The llvm.hexagon.M2.mpy.sat.rnd.hh.s0 intrinsic; known as __builtin_HEXAGON_M2_mpy_sat_rnd_hh_s0 in GCC.
See Implementation
The llvm.hexagon.M2.mpy.sat.rnd.hh.s0 intrinsic; known as __builtin_HEXAGON_M2_mpy_sat_rnd_hh_s0 in GCC.