msim Target Use simulator runtime masm-hex Target Mask(ASM_HEX) Force assembly output to always use hex constants mmcu= Target Joined RejectNegative Var(target_mcu) Specify the MCU to build for. mcpu= Target Joined RejectNegative Var(target_cpu) Specify the ISA to build for: msp430, mdsp430x, msp430xv2 mlarge Target Mask(LARGE) RejectNegative Select large model - 20-bit addresses/pointers msmall Target InverseMask(LARGE) RejectNegative Select small model - 16-bit addresses/pointers (default) mrelax Target Report Optimize opcode sizes at link time mOs Target Undocumented Mask(OPT_SPACE) minrt Target Report Mask(MINRT) RejectNegative Use a minimum runtime (no static initializers or ctors) for memory-constrained devices.