1*33388ae8SLu Weining//=- LoongArchCallingConv.td - Calling Conventions LoongArch -*- tablegen -*-=// 2*33388ae8SLu Weining// 3*33388ae8SLu Weining// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*33388ae8SLu Weining// See https://llvm.org/LICENSE.txt for license information. 5*33388ae8SLu Weining// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*33388ae8SLu Weining// 7*33388ae8SLu Weining//===----------------------------------------------------------------------===// 8*33388ae8SLu Weining// 9*33388ae8SLu Weining// This describes the calling conventions for the LoongArch architecture. 10*33388ae8SLu Weining// 11*33388ae8SLu Weining//===----------------------------------------------------------------------===// 12*33388ae8SLu Weining 13*33388ae8SLu Weiningdef CSR_ILP32S_LP64S 14*33388ae8SLu Weining : CalleeSavedRegs<(add R1, (sequence "R%u", 22, 31))>; 15*33388ae8SLu Weining 16*33388ae8SLu Weiningdef CSR_ILP32F_LP64F 17*33388ae8SLu Weining : CalleeSavedRegs<(add CSR_ILP32S_LP64S, (sequence "F%u", 24, 31))>; 18*33388ae8SLu Weining 19*33388ae8SLu Weiningdef CSR_ILP32D_LP64D 20*33388ae8SLu Weining : CalleeSavedRegs<(add CSR_ILP32S_LP64S, (sequence "F%u_64", 24, 31))>; 21*33388ae8SLu Weining 22*33388ae8SLu Weining// Needed for implementation of LoongArchRegisterInfo::getNoPreservedMask() 23*33388ae8SLu Weiningdef CSR_NoRegs : CalleeSavedRegs<(add)>; 24