Fix for GCC MIPS toolchain
Merge pull request #144 from schwoop/next

Fix for GCC MIPS toolchain
arm: use SStream_concat0() for SStream_concat() whereever possible for better performance
arm: do not use markup
arm: use CreateImm0() & CreateReg0() to create MCOperand* to avoid using malloc/free to improve performance
Merge branch 'next' into fast