Importing rustc-1.38.0
diff --git a/src/llvm-project/llvm/lib/Target/RISCV/RISCVCallingConv.td b/src/llvm-project/llvm/lib/Target/RISCV/RISCVCallingConv.td
index ef14625..db13e6e 100644
--- a/src/llvm-project/llvm/lib/Target/RISCV/RISCVCallingConv.td
+++ b/src/llvm-project/llvm/lib/Target/RISCV/RISCVCallingConv.td
@@ -1,9 +1,8 @@
//===-- 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.
+// 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
//
//===----------------------------------------------------------------------===//
//
@@ -14,7 +13,16 @@
// 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))>;
+def CSR_ILP32_LP64
+ : CalleeSavedRegs<(add X1, X3, X4, X8, X9, (sequence "X%u", 18, 27))>;
+
+def CSR_ILP32F_LP64F
+ : CalleeSavedRegs<(add CSR_ILP32_LP64,
+ F8_32, F9_32, (sequence "F%u_32", 18, 27))>;
+
+def CSR_ILP32D_LP64D
+ : CalleeSavedRegs<(add CSR_ILP32_LP64,
+ F8_64, F9_64, (sequence "F%u_64", 18, 27))>;
// Needed for implementation of RISCVRegisterInfo::getNoPreservedMask()
def CSR_NoRegs : CalleeSavedRegs<(add)>;
