Remove commented out code.

[oota-llvm.git] / lib / Target / Mips / MipsSubtarget.cpp

diff --git a/lib/Target/Mips/MipsSubtarget.cpp b/lib/Target/Mips/MipsSubtarget.cpp
index bc185cd01cbc0e995e4aa96041e5d71386223863..2cb97ae7f72f0e475d25116be33bd624dcc83995 100644 (file)
--- a/lib/Target/Mips/MipsSubtarget.cpp
+++ b/lib/Target/Mips/MipsSubtarget.cpp
@@ -107,13 +107,14 @@ MipsSubtarget::MipsSubtarget(const std::string &TT, const std::string &CPU,
                              Reloc::Model _RM, MipsTargetMachine *_TM)
     : MipsGenSubtargetInfo(TT, CPU, FS), MipsArchVersion(Mips32),
       MipsABI(UnknownABI), IsLittle(little), IsSingleFloat(false),
-      IsFP64bit(false), IsNaN2008bit(false), IsGP64bit(false), HasVFPU(false),
-      HasCnMips(false), IsLinux(true), HasMips3_32(false), HasMips3_32r2(false),
-      HasMips4_32(false), HasMips4_32r2(false), HasMips5_32r2(false),
-      InMips16Mode(false), InMips16HardFloat(Mips16HardFloat),
-      InMicroMipsMode(false), HasDSP(false), HasDSPR2(false),
-      AllowMixed16_32(Mixed16_32 | Mips_Os16), Os16(Mips_Os16), HasMSA(false),
-      RM(_RM), OverrideMode(NoOverride), TM(_TM), TargetTriple(TT),
+      IsFPXX(false), IsFP64bit(false), UseOddSPReg(true), IsNaN2008bit(false),
+      IsGP64bit(false), HasVFPU(false), HasCnMips(false), IsLinux(true),
+      HasMips3_32(false), HasMips3_32r2(false), HasMips4_32(false),
+      HasMips4_32r2(false), HasMips5_32r2(false), InMips16Mode(false),
+      InMips16HardFloat(Mips16HardFloat), InMicroMipsMode(false), HasDSP(false),
+      HasDSPR2(false), AllowMixed16_32(Mixed16_32 | Mips_Os16), Os16(Mips_Os16),
+      HasMSA(false), RM(_RM), OverrideMode(NoOverride), TM(_TM),
+      TargetTriple(TT),
       DL(computeDataLayout(initializeSubtargetDependencies(CPU, FS, TM))),
       TSInfo(DL), JITInfo(), InstrInfo(MipsInstrInfo::create(*TM)),
       FrameLowering(MipsFrameLowering::create(*TM, *this)),
@@ -151,6 +152,12 @@ MipsSubtarget::MipsSubtarget(const std::string &TT, const std::string &CPU,
                        "See -mattr=+fp64.",
                        false);
 
+  if (!isABI_O32() && !useOddSPReg())
+    report_fatal_error("-mattr=+nooddspreg requires the O32 ABI.", false);
+
+  if (IsFPXX && (isABI_N32() || isABI_N64()))
+    report_fatal_error("FPXX is not permitted for the N32/N64 ABI's.", false);
+
   if (hasMips32r6()) {
     StringRef ISA = hasMips64r6() ? "MIPS64r6" : "MIPS32r6";
 
@@ -170,15 +177,17 @@ MipsSubtarget::MipsSubtarget(const std::string &TT, const std::string &CPU,
   UseSmallSection = !IsLinux && (RM == Reloc::Static);
 }
 
-bool
-MipsSubtarget::enablePostRAScheduler(CodeGenOpt::Level OptLevel,
-                                    TargetSubtargetInfo::AntiDepBreakMode &Mode,
-                                     RegClassVector &CriticalPathRCs) const {
-  Mode = TargetSubtargetInfo::ANTIDEP_NONE;
+/// This overrides the PostRAScheduler bit in the SchedModel for any CPU.
+bool MipsSubtarget::enablePostMachineScheduler() const { return true; }
+
+void MipsSubtarget::getCriticalPathRCs(RegClassVector &CriticalPathRCs) const {
   CriticalPathRCs.clear();
-  CriticalPathRCs.push_back(isGP64bit() ? &Mips::GPR64RegClass
-                                        : &Mips::GPR32RegClass);
-  return OptLevel >= CodeGenOpt::Aggressive;
+  CriticalPathRCs.push_back(isGP64bit() ?
+                            &Mips::GPR64RegClass : &Mips::GPR32RegClass);
+}
+
+CodeGenOpt::Level MipsSubtarget::getOptLevelToEnablePostRAScheduler() const {
+  return CodeGenOpt::Aggressive;
 }
 
 MipsSubtarget &
@@ -191,15 +200,8 @@ MipsSubtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS,
   // Initialize scheduling itinerary for the specified CPU.
   InstrItins = getInstrItineraryForCPU(CPUName);
 
-  if (InMips16Mode && !TM->Options.UseSoftFloat) {
-    // Hard float for mips16 means essentially to compile as soft float
-    // but to use a runtime library for soft float that is written with
-    // native mips32 floating point instructions (those runtime routines
-    // run in mips32 hard float mode).
-    TM->Options.UseSoftFloat = true;
-    TM->Options.FloatABIType = FloatABI::Soft;
+  if (InMips16Mode && !TM->Options.UseSoftFloat)
     InMips16HardFloat = true;
-  }
 
   return *this;
 }
@@ -284,7 +286,7 @@ void MipsSubtarget::setHelperClassesMipsSE() {
   assert(FrameLowering && "null frame lowering SE");
 }
 
-bool MipsSubtarget::mipsSEUsesSoftFloat() const {
+bool MipsSubtarget::abiUsesSoftFloat() const {
   return TM->Options.UseSoftFloat && !InMips16HardFloat;
 }