[SubZero] Vector types support for MIPS

src/IceTargetLoweringMIPS32.h

Index: src/IceTargetLoweringMIPS32.h
diff --git a/src/IceTargetLoweringMIPS32.h b/src/IceTargetLoweringMIPS32.h
index 7e87f0435ad41c4d8498f117e02b210005419155..b4d188838cb8ac3aede14c3508386898cf2338e4 100644
--- a/src/IceTargetLoweringMIPS32.h
+++ b/src/IceTargetLoweringMIPS32.h
@@ -60,7 +60,8 @@ public:
   void translateOm1() override;
   void translateO2() override;
   bool doBranchOpt(Inst *Instr, const CfgNode *NextNode) override;
-
+  void setImplicitRet(Variable *Ret) { ImplicitRet = Ret; }
+  Variable *getImplicitRet() const { return ImplicitRet; }
   SizeT getNumRegisters() const override { return RegMIPS32::Reg_NUM; }
   Variable *getPhysicalRegister(RegNumT RegNum,
                                 Type Ty = IceType_void) override;
@@ -111,6 +112,10 @@ public:
     return Ty == IceType_i64;
   }
 
+  bool shouldSplitToVariableVecOn32(Type Ty) const override {
+    return isVectorType(Ty);
+  }
+
   // TODO(ascull): what is the best size of MIPS?
   SizeT getMinJumpTableSize() const override { return 3; }
   void emitJumpTable(const Cfg *Func,
@@ -609,9 +614,11 @@ public:
   void split64(Variable *Var);
   Operand *loOperand(Operand *Operand);
   Operand *hiOperand(Operand *Operand);
+  Operand *getOperandAtIndex(Operand *Operand, Type BaseType, uint32_t Index);
 
-  void finishArgumentLowering(Variable *Arg, Variable *FramePtr,
-                              size_t BasicFrameOffset, size_t *InArgsSizeBytes);
+  void finishArgumentLowering(Variable *Arg, bool PartialOnStack,
+                              Variable *FramePtr, size_t BasicFrameOffset,
+                              size_t *InArgsSizeBytes);
 
   Operand *legalizeUndef(Operand *From, RegNumT RegNum = RegNumT());
 
@@ -630,6 +637,7 @@ public:
     /// appropriate register number. Note that, when Ty == IceType_i64, Reg will
     /// be an I64 register pair.
     bool argInReg(Type Ty, uint32_t ArgNo, RegNumT *Reg);
+    void discardReg(RegNumT Reg) { GPRegsUsed |= RegisterAliases[Reg]; }
 
   private:
     // argInGPR is used to find if any GPR register is available for argument of
@@ -743,6 +751,7 @@ protected:
   size_t FixedAllocaSizeBytes = 0;
   size_t FixedAllocaAlignBytes = 0;
   size_t PreservedRegsSizeBytes = 0;
+  Variable *ImplicitRet; /// Implicit return

[Jim Stichnoth, 2016/10/03 14:52:23]

Variable *ImplicitRet = nullptr;

 
 private:
   ENABLE_MAKE_UNIQUE;