8.4.32 Replace Multiply Routine With Hardware Multiplier Routine (--use_hw_mpy)

This option is now a compiler option and may not be used as a linker option, even though some of its effects take place at link time. It should be placed on the command line before the --run_linker or -z option. See the MSP430 Optimizing C/C++ Compiler User's Guide for details.