1//===--- BlackfinCallingConv.td - Calling Conventions ------*- tablegen -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This describes the calling conventions for the Blackfin architectures.
11//
12//===----------------------------------------------------------------------===//
13
14// Blackfin C Calling convention.
15def CC_Blackfin : CallingConv<[
16  CCIfType<[i16], CCPromoteToType<i32>>,
17  CCIfSRet<CCAssignToReg<[P0]>>,
18  CCAssignToReg<[R0, R1, R2]>,
19  CCAssignToStack<4, 4>
20]>;
21
22//===----------------------------------------------------------------------===//
23// Return Value Calling Conventions
24//===----------------------------------------------------------------------===//
25
26// Blackfin C return-value convention.
27def RetCC_Blackfin : CallingConv<[
28  CCIfType<[i16], CCPromoteToType<i32>>,
29  CCAssignToReg<[R0, R1]>
30]>;
31