llvm/lib/Target/Mips/Mips16HardFloatInfo.cpp

   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 }