The llvm.hexagon.M4.nac.up.s1.sat intrinsic; known as __builtin_HEXAGON_M4_nac_up_s1_sat in GCC.
See Implementation
The llvm.hexagon.M4.nac.up.s1.sat intrinsic; known as __builtin_HEXAGON_M4_nac_up_s1_sat in GCC.