Move MRI liveouts to ARM return instructions.
Move MRI liveouts to Hexagon return instructions.
Move MRI liveouts to MBlaze return instructions.
Move MRI liveouts to PowerPC return instructions.
Move MRI liveouts to Mips return instructions.
Move MRI liveouts to MSP430 return instructions.
Hexagon: Use multiclass for absolute addressing mode stores.
Move MRI liveouts to Sparc return instructions.