28 lines · plain
1//=- LoongArchCallingConv.td - Calling Conventions LoongArch -*- tablegen -*-=//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-exception6//7//===----------------------------------------------------------------------===//8//9// This describes the calling conventions for the LoongArch architecture.10//11//===----------------------------------------------------------------------===//12 13def CSR_ILP32S_LP64S14 : CalleeSavedRegs<(add R1, (sequence "R%u", 22, 31))>;15 16def CSR_ILP32F_LP64F17 : CalleeSavedRegs<(add CSR_ILP32S_LP64S, (sequence "F%u", 24, 31))>;18 19def CSR_ILP32D_LP64D20 : CalleeSavedRegs<(add CSR_ILP32S_LP64S, (sequence "F%u_64", 24, 31))>;21 22// Needed for implementation of LoongArchRegisterInfo::getNoPreservedMask()23def CSR_NoRegs : CalleeSavedRegs<(add)>;24 25def CSR_MostRegs : CalleeSavedRegs<(add CSR_ILP32S_LP64S,26 (sequence "R%u", 4, 11),27 (sequence "R%u", 16, 19))>;28