xref: /freebsd/contrib/llvm-project/llvm/lib/Target/Mips/Mips16HardFloatInfo.cpp (revision 6be3386466ab79a84b48429ae66244f21526d3df)
1 //===---- Mips16HardFloatInfo.cpp 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 contains the Mips16 implementation of Mips16HardFloatInfo
10 // namespace.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "Mips16HardFloatInfo.h"
15 #include <string.h>
16 
17 namespace llvm {
18 
19 namespace Mips16HardFloatInfo {
20 
21 const FuncNameSignature PredefinedFuncs[] = {
22   { "__floatdidf", { NoSig, DRet } },
23   { "__floatdisf", { NoSig, FRet } },
24   { "__floatundidf", { NoSig, DRet } },
25   { "__fixsfdi", { FSig, NoFPRet } },
26   { "__fixunsdfsi", { DSig, NoFPRet } },
27   { "__fixunsdfdi", { DSig, NoFPRet } },
28   { "__fixdfdi", { DSig, NoFPRet } },
29   { "__fixunssfsi", { FSig, NoFPRet } },
30   { "__fixunssfdi", { FSig, NoFPRet } },
31   { "__floatundisf", { NoSig, FRet } },
32   { nullptr, { NoSig, NoFPRet } }
33 };
34 
35 // just do a search for now. there are very few of these special cases.
36 //
37 extern FuncSignature const *findFuncSignature(const char *name) {
38   const char *name_;
39   int i = 0;
40   while (PredefinedFuncs[i].Name) {
41     name_ = PredefinedFuncs[i].Name;
42     if (strcmp(name, name_) == 0)
43       return &PredefinedFuncs[i].Signature;
44     i++;
45   }
46   return nullptr;
47 }
48 }
49 }
50