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 11 using namespace llvm; 12 13 const MCPhysReg SystemZ::ELFArgGPRs[SystemZ::ELFNumArgGPRs] = { 14 SystemZ::R2D, SystemZ::R3D, SystemZ::R4D, SystemZ::R5D, SystemZ::R6D 15 }; 16 17 const MCPhysReg SystemZ::ELFArgFPRs[SystemZ::ELFNumArgFPRs] = { 18 SystemZ::F0D, SystemZ::F2D, SystemZ::F4D, SystemZ::F6D 19 }; 20 21 // The XPLINK64 ABI-defined param passing general purpose registers 22 const MCPhysReg SystemZ::XPLINK64ArgGPRs[SystemZ::XPLINK64NumArgGPRs] = { 23 SystemZ::R1D, SystemZ::R2D, SystemZ::R3D 24 }; 25 26 // The XPLINK64 ABI-defined param passing floating point registers 27 const MCPhysReg SystemZ::XPLINK64ArgFPRs[SystemZ::XPLINK64NumArgFPRs] = { 28 SystemZ::F0D, SystemZ::F2D, SystemZ::F4D, SystemZ::F6D 29 }; 30