1 //===- MipsSubtarget.cpp - Mips Subtarget Information -----------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the Mips specific subclass of TargetSubtargetInfo.
12 //===----------------------------------------------------------------------===//
14 #include "MipsSubtarget.h"
17 #define GET_SUBTARGETINFO_ENUM
18 #define GET_SUBTARGETINFO_MC_DESC
19 #define GET_SUBTARGETINFO_TARGET_DESC
20 #define GET_SUBTARGETINFO_CTOR
21 #include "MipsGenSubtargetInfo.inc"
25 MipsSubtarget::MipsSubtarget(const std::string &TT, const std::string &CPU,
26 const std::string &FS, bool little) :
27 MipsGenSubtargetInfo(TT, CPU, FS),
28 MipsArchVersion(Mips1), MipsABI(O32), IsLittle(little), IsSingleFloat(false),
29 IsFP64bit(false), IsGP64bit(false), HasVFPU(false), IsLinux(true),
30 HasSEInReg(false), HasCondMov(false), HasMulDivAdd(false), HasMinMax(false),
31 HasSwap(false), HasBitCount(false)
33 std::string CPUName = CPU;
36 MipsArchVersion = Mips1;
38 // Parse features string.
39 ParseSubtargetFeatures(CPUName, FS);
41 // Initialize scheduling itinerary for the specified CPU.
42 InstrItins = getInstrItineraryForCPU(CPUName);
44 // Is the target system Linux ?
45 if (TT.find("linux") == std::string::npos)
48 // When only the target triple is specified and is
49 // a allegrex target, set the features. We also match
50 // big and little endian allegrex cores (dont really
51 // know if a big one exists)
52 if (TT.find("mipsallegrex") != std::string::npos ||
53 TT.find("psp") != std::string::npos) {
56 MipsArchVersion = Mips2;
57 HasVFPU = true; // Enables Allegrex Vector FPU (not supported yet)