1 //===-- SystemZCallingConv.cpp - Calling conventions for SystemZ ----------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "SystemZCallingConv.h"
10 #include "SystemZRegisterInfo.h"
11 
12 using namespace llvm;
13 
14 const MCPhysReg SystemZ::ELFArgGPRs[SystemZ::ELFNumArgGPRs] = {
15   SystemZ::R2D, SystemZ::R3D, SystemZ::R4D, SystemZ::R5D, SystemZ::R6D
16 };
17 
18 const MCPhysReg SystemZ::ELFArgFPRs[SystemZ::ELFNumArgFPRs] = {
19   SystemZ::F0D, SystemZ::F2D, SystemZ::F4D, SystemZ::F6D
20 };
21 
22 // The XPLINK64 ABI-defined param passing general purpose registers
23 const MCPhysReg SystemZ::XPLINK64ArgGPRs[SystemZ::XPLINK64NumArgGPRs] = {
24     SystemZ::R1D, SystemZ::R2D, SystemZ::R3D
25 };
26 
27 // The XPLINK64 ABI-defined param passing floating point registers
28 const MCPhysReg SystemZ::XPLINK64ArgFPRs[SystemZ::XPLINK64NumArgFPRs] = {
29     SystemZ::F0D, SystemZ::F2D, SystemZ::F4D, SystemZ::F6D
30 };
31 
32 const MCPhysReg SystemZ::XPLINK64ArgVRs[SystemZ::XPLINK64NumArgVRs] = {
33     SystemZ::V24, SystemZ::V25, SystemZ::V26, SystemZ::V27,
34     SystemZ::V28, SystemZ::V29, SystemZ::V30, SystemZ::V31};
35