- CodeGenOpt::Level OL) :
- MipsTargetMachine(T, TT, CPU, FS, RM, CM, OL, true) {}
-
-Mips64ebTargetMachine::
-Mips64ebTargetMachine(const Target &T, StringRef TT,
- StringRef CPU, StringRef FS,
- Reloc::Model RM, CodeModel::Model CM,
- CodeGenOpt::Level OL) :
- MipsTargetMachine(T, TT, CPU, FS, RM, CM, OL, false) {}
-
-Mips64elTargetMachine::
-Mips64elTargetMachine(const Target &T, StringRef TT,
- StringRef CPU, StringRef FS,
- Reloc::Model RM, CodeModel::Model CM,
- CodeGenOpt::Level OL) :
- MipsTargetMachine(T, TT, CPU, FS, RM, CM, OL, true) {}
+ CodeGenOpt::Level OL)
+ : MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {}
+
+void MipsTargetMachine::resetSubtarget(MachineFunction *MF) {
+ DEBUG(dbgs() << "resetSubtarget\n");
+ AttributeSet FnAttrs = MF->getFunction()->getAttributes();
+ bool Mips16Attr = FnAttrs.hasAttribute(AttributeSet::FunctionIndex, "mips16");
+ bool NoMips16Attr =
+ FnAttrs.hasAttribute(AttributeSet::FunctionIndex, "nomips16");
+ assert(!(Mips16Attr && NoMips16Attr) &&
+ "mips16 and nomips16 specified on the same function");
+ if (Mips16Attr)
+ Subtarget = &Mips16Subtarget;
+ else if (NoMips16Attr)
+ Subtarget = &NoMips16Subtarget;
+ else
+ Subtarget = &DefaultSubtarget;
+ MF->setSubtarget(Subtarget);
+ return;
+}
+
+namespace {
+/// Mips Code Generator Pass Configuration Options.
+class MipsPassConfig : public TargetPassConfig {
+public:
+ MipsPassConfig(MipsTargetMachine *TM, PassManagerBase &PM)
+ : TargetPassConfig(TM, PM) {
+ // The current implementation of long branch pass requires a scratch
+ // register ($at) to be available before branch instructions. Tail merging
+ // can break this requirement, so disable it when long branch pass is
+ // enabled.
+ EnableTailMerge = !getMipsSubtarget().enableLongBranchPass();
+ }
+
+ MipsTargetMachine &getMipsTargetMachine() const {
+ return getTM<MipsTargetMachine>();
+ }
+
+ const MipsSubtarget &getMipsSubtarget() const {
+ return *getMipsTargetMachine().getSubtargetImpl();
+ }
+
+ void addIRPasses() override;
+ bool addInstSelector() override;
+ void addMachineSSAOptimization() override;
+ bool addPreEmitPass() override;
+
+ bool addPreRegAlloc() override;
+
+};
+} // namespace
+
+TargetPassConfig *MipsTargetMachine::createPassConfig(PassManagerBase &PM) {
+ return new MipsPassConfig(this, PM);
+}