// Sparc 32-bit C return-value convention.
def RetCC_Sparc32 : CallingConv<[
- CCIfType<[i32], CCAssignToReg<[I0, I1]>>,
- CCIfType<[f32], CCAssignToReg<[F0]>>,
- CCIfType<[f64], CCAssignToReg<[D0]>>
+ CCIfType<[i32], CCAssignToReg<[I0, I1, I2, I3, I4, I5]>>,
+ CCIfType<[f32], CCAssignToReg<[F0, F1, F2, F3]>>,
+ CCIfType<[f64], CCAssignToReg<[D0, D1]>>
+]>;
+
+// Sparc 32-bit C Calling convention.
+def CC_Sparc32 : CallingConv<[
+ // All arguments get passed in integer registers if there is space.
+ CCIfType<[i32, f32, f64], CCAssignToReg<[I0, I1, I2, I3, I4, I5]>>,
+
+ // Alternatively, they are assigned to the stack in 4-byte aligned units.
+ CCAssignToStack<4, 4>
]>;