-//===- MipsSubtarget.cpp - Mips Subtarget Information -----------*- C++ -*-===//
+//===-- MipsSubtarget.cpp - Mips Subtarget Information --------------------===//
//
// The LLVM Compiler Infrastructure
//
#include "MipsSubtarget.h"
#include "Mips.h"
+#include "MipsRegisterInfo.h"
#include "llvm/Support/TargetRegistry.h"
#define GET_SUBTARGETINFO_TARGET_DESC
using namespace llvm;
+void MipsSubtarget::anchor() { }
+
MipsSubtarget::MipsSubtarget(const std::string &TT, const std::string &CPU,
- const std::string &FS, bool little) :
+ const std::string &FS, bool little,
+ Reloc::Model _RM) :
MipsGenSubtargetInfo(TT, CPU, FS),
- MipsArchVersion(Mips32), MipsABI(O32), IsLittle(little), IsSingleFloat(false),
- IsFP64bit(false), IsGP64bit(false), HasVFPU(false), IsLinux(true),
- HasSEInReg(false), HasCondMov(false), HasMulDivAdd(false), HasMinMax(false),
- HasSwap(false), HasBitCount(false)
+ MipsArchVersion(Mips32), MipsABI(UnknownABI), IsLittle(little),
+ IsSingleFloat(false), IsFP64bit(false), IsGP64bit(false), HasVFPU(false),
+ IsLinux(true), HasSEInReg(false), HasCondMov(false), HasSwap(false),
+ HasBitCount(false), HasFPIdx(false),
+ InMips16Mode(false), InMicroMipsMode(false), HasDSP(false), HasDSPR2(false),
+ RM(_RM)
{
std::string CPUName = CPU;
if (CPUName.empty())
- CPUName = "mips32r1";
+ CPUName = "mips32";
// Parse features string.
ParseSubtargetFeatures(CPUName, FS);
// Set MipsABI if it hasn't been set yet.
if (MipsABI == UnknownABI)
- MipsABI = hasMips64() ? N64 : O32;
+ MipsABI = hasMips64() ? N64 : O32;
// Check if Architecture and ABI are compatible.
assert(((!hasMips64() && (isABI_O32() || isABI_EABI())) ||
// Is the target system Linux ?
if (TT.find("linux") == std::string::npos)
IsLinux = false;
+
+ // Set UseSmallSection.
+ UseSmallSection = !IsLinux && (RM == Reloc::Static);
+}
+
+bool
+MipsSubtarget::enablePostRAScheduler(CodeGenOpt::Level OptLevel,
+ TargetSubtargetInfo::AntiDepBreakMode &Mode,
+ RegClassVector &CriticalPathRCs) const {
+ Mode = TargetSubtargetInfo::ANTIDEP_NONE;
+ CriticalPathRCs.clear();
+ CriticalPathRCs.push_back(hasMips64() ?
+ &Mips::CPU64RegsRegClass : &Mips::CPURegsRegClass);
+ return OptLevel >= CodeGenOpt::Aggressive;
}