21 lines
794 B
TableGen
21 lines
794 B
TableGen
//===-- RISCVCallingConv.td - Calling Conventions RISCV ----*- tablegen -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This describes the calling conventions for the RISCV architecture.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// The RISC-V calling convention is handled with custom code in
|
|
// RISCVISelLowering.cpp (CC_RISCV).
|
|
|
|
def CSR : CalleeSavedRegs<(add X1, X3, X4, X8, X9, (sequence "X%u", 18, 27))>;
|
|
|
|
// Needed for implementation of RISCVRegisterInfo::getNoPreservedMask()
|
|
def CSR_NoRegs : CalleeSavedRegs<(add)>;
|