1 //===---- Mips16HardFloatInfo.h for Mips16 Hard Float              --------===//
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-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file defines some data structures relevant to the implementation of
10 // Mips16 hard float.
11 //
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_LIB_TARGET_MIPS_MIPS16HARDFLOATINFO_H
16 #define LLVM_LIB_TARGET_MIPS_MIPS16HARDFLOATINFO_H
17 
18 namespace llvm {
19 
20 namespace Mips16HardFloatInfo {
21 
22 // Return types that matter for hard float are:
23 // float, double, complex float, and complex double
24 //
25 enum FPReturnVariant { FRet, DRet, CFRet, CDRet, NoFPRet };
26 
27 //
28 // Parameter type that matter are float, (float, float), (float, double),
29 // double, (double, double), (double, float)
30 //
31 enum FPParamVariant { FSig, FFSig, FDSig, DSig, DDSig, DFSig, NoSig };
32 
33 struct FuncSignature {
34   FPParamVariant ParamSig;
35   FPReturnVariant RetSig;
36 };
37 
38 struct FuncNameSignature {
39   const char *Name;
40   FuncSignature Signature;
41 };
42 
43 extern const FuncNameSignature PredefinedFuncs[];
44 
45 extern FuncSignature const *findFuncSignature(const char *name);
46 }
47 }
48 
49 #endif
50