src/llvm/lib/Target/Mips/Mips16HardFloatInfo.cpp

   1 //===---- Mips16HardFloatInfo.cpp for Mips16 Hard Float              -----===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file contains the Mips16 implementation of Mips16HardFloatInfo
  11 // namespace.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "Mips16HardFloatInfo.h"
  16 #include <string.h>
  17
  18 namespace llvm {
  19
  20 namespace Mips16HardFloatInfo {
  21
  22 const FuncNameSignature PredefinedFuncs[] = {
  23   { "__floatdidf", { NoSig, DRet } },
  24   { "__floatdisf", { NoSig, FRet } },
  25   { "__floatundidf", { NoSig, DRet } },
  26   { "__fixsfdi", { FSig, NoFPRet } },
  27   { "__fixunsdfsi", { DSig, NoFPRet } },
  28   { "__fixunsdfdi", { DSig, NoFPRet } },
  29   { "__fixdfdi", { DSig, NoFPRet } },
  30   { "__fixunssfsi", { FSig, NoFPRet } },
  31   { "__fixunssfdi", { FSig, NoFPRet } },
  32   { "__floatundisf", { NoSig, FRet } },
  33   { nullptr, { NoSig, NoFPRet } }
  34 };
  35
  36 // just do a search for now. there are very few of these special cases.
  37 //
  38 extern FuncSignature const *findFuncSignature(const char *name) {
  39   const char *name_;
  40   int i = 0;
  41   while (PredefinedFuncs[i].Name) {
  42     name_ = PredefinedFuncs[i].Name;
  43     if (strcmp(name, name_) == 0)
  44       return &PredefinedFuncs[i].Signature;
  45     i++;
  46   }
  47   return nullptr;
  48 }
  49 }
  50 }