search for: multiplicantions

Hello Pedro, As others have said we're assuming that you're using Clang as the frontend, the MSP430TargetInfo class inside lib/Basic/Targets.cpp (clang codebase) set ints to be 16 bits wide, so you should get 16bit mults straight away without promotion. But anyways for 8bit multiplicantions you can do the following to bypass argument promotion: 1) go to the lib/CodeGen/TargetInfo.cpp (clang codebase) 2) implement a MSP430ABIInfo class derived from ABIInfo, check how other targets do it in the same file. The important part here is how you implement the classifyReturnType and classify...