| //=- LoongArchCallingConv.td - Calling Conventions LoongArch -*- tablegen -*-=// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This describes the calling conventions for the LoongArch architecture. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| def CSR_ILP32S_LP64S |
| : CalleeSavedRegs<(add R1, (sequence "R%u", 22, 31))>; |
| |
| def CSR_ILP32F_LP64F |
| : CalleeSavedRegs<(add CSR_ILP32S_LP64S, (sequence "F%u", 24, 31))>; |
| |
| def CSR_ILP32D_LP64D |
| : CalleeSavedRegs<(add CSR_ILP32S_LP64S, (sequence "F%u_64", 24, 31))>; |
| |
| // Needed for implementation of LoongArchRegisterInfo::getNoPreservedMask() |
| def CSR_NoRegs : CalleeSavedRegs<(add)>; |
| |
| def CSR_MostRegs : CalleeSavedRegs<(add CSR_ILP32S_LP64S, |
| (sequence "R%u", 4, 11), |
| (sequence "R%u", 16, 19))>; |
