// MSP430 Return Value Calling Convention
//===----------------------------------------------------------------------===//
def RetCC_MSP430 : CallingConv<[
+ // i8 are returned in registers R15B, R14B, R13B, R12B
+ CCIfType<[i8], CCAssignToReg<[R15B, R14B, R13B, R12B]>>,
+
// i16 are returned in registers R15, R14, R13, R12
- CCIfType<[i16], CCAssignToReg<[R15, R14, R13, R12]>>
+ CCIfType<[i16], CCAssignToReg<[R15W, R14W, R13W, R12W]>>
]>;
//===----------------------------------------------------------------------===//
// MSP430 Argument Calling Conventions
//===----------------------------------------------------------------------===//
def CC_MSP430 : CallingConv<[
+ // Pass by value if the byval attribute is given
+ CCIfByVal<CCPassByVal<2, 2>>,
+
// Promote i8 arguments to i16.
CCIfType<[i8], CCPromoteToType<i16>>,
// The first 4 integer arguments of non-varargs functions are passed in
// integer registers.
- CCIfNotVarArg<CCIfType<[i16], CCAssignToReg<[R15, R14, R13, R12]>>>,
+ CCIfNotVarArg<CCIfType<[i16], CCAssignToReg<[R15W, R14W, R13W, R12W]>>>,
// Integer values get stored in stack slots that are 2 bytes in
// size and 2-byte aligned.