forked from OSchip/llvm-project
36 lines
1.3 KiB
TableGen
36 lines
1.3 KiB
TableGen
//===- HexagonCallingConv.td - Calling Conventions Hexagon -*- tablegen -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This describes the calling conventions for the Hexagon architectures.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Return Value Calling Conventions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Hexagon 32-bit C return-value convention.
|
|
def RetCC_Hexagon32 : CallingConv<[
|
|
CCIfType<[i32], CCAssignToReg<[R0, R1, R2, R3, R4, R5]>>,
|
|
CCIfType<[i64], CCAssignToReg<[D0, D1, D2]>>,
|
|
|
|
// Alternatively, they are assigned to the stack in 4-byte aligned units.
|
|
CCAssignToStack<4, 4>
|
|
]>;
|
|
|
|
// Hexagon 32-bit C Calling convention.
|
|
def CC_Hexagon32 : CallingConv<[
|
|
// All arguments get passed in integer registers if there is space.
|
|
CCIfType<[i32, i16, i8], CCAssignToReg<[R0, R1, R2, R3, R4, R5]>>,
|
|
CCIfType<[i64], CCAssignToReg<[D0, D1, D2]>>,
|
|
|
|
// Alternatively, they are assigned to the stack in 4-byte aligned units.
|
|
CCAssignToStack<4, 4>
|
|
]>;
|