MIPS: [turbofan] Fix several int vs size_t issues.

src/compiler/mips/code-generator-mips.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/code-generator.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/mips/macro-assembler-mips.h"
 #include "src/scopes.h"
@@ skipping 21 matching lines @@
   PrintF("UNIMPLEMENTED code_generator_mips: %s at line %d\n", __FUNCTION__, \
          __LINE__)
 
 
 // Adds Mips-specific methods to convert InstructionOperands.
 class MipsOperandConverter FINAL : public InstructionOperandConverter {
  public:
   MipsOperandConverter(CodeGenerator* gen, Instruction* instr)
       : InstructionOperandConverter(gen, instr) {}
 
-  FloatRegister OutputSingleRegister(int index = 0) {
+  FloatRegister OutputSingleRegister(size_t index = 0) {
     return ToSingleRegister(instr_->OutputAt(index));
   }
 
-  FloatRegister InputSingleRegister(int index) {
+  FloatRegister InputSingleRegister(size_t index) {
     return ToSingleRegister(instr_->InputAt(index));
   }
 
   FloatRegister ToSingleRegister(InstructionOperand* op) {
     // Single (Float) and Double register namespace is same on MIPS,
     // both are typedefs of FPURegister.
     return ToDoubleRegister(op);
   }
 
-  Operand InputImmediate(int index) {
+  Operand InputImmediate(size_t index) {
     Constant constant = ToConstant(instr_->InputAt(index));
     switch (constant.type()) {
       case Constant::kInt32:
         return Operand(constant.ToInt32());
       case Constant::kFloat32:
         return Operand(
             isolate()->factory()->NewNumber(constant.ToFloat32(), TENURED));
       case Constant::kFloat64:
         return Operand(
             isolate()->factory()->NewNumber(constant.ToFloat64(), TENURED));
       case Constant::kInt64:
       case Constant::kExternalReference:
       case Constant::kHeapObject:
         // TODO(plind): Maybe we should handle ExtRef & HeapObj here?
         //    maybe not done on arm due to const pool ??
         break;
       case Constant::kRpoNumber:
         UNREACHABLE();  // TODO(titzer): RPO immediates on mips?
         break;
     }
     UNREACHABLE();
     return Operand(zero_reg);
   }
 
-  Operand InputOperand(int index) {
+  Operand InputOperand(size_t index) {
     InstructionOperand* op = instr_->InputAt(index);
     if (op->IsRegister()) {
       return Operand(ToRegister(op));
     }
     return InputImmediate(index);
   }
 
-  MemOperand MemoryOperand(int* first_index) {
-    const int index = *first_index;
+  MemOperand MemoryOperand(size_t* first_index) {
+    const size_t index = *first_index;
     switch (AddressingModeField::decode(instr_->opcode())) {
       case kMode_None:
         break;
       case kMode_MRI:
         *first_index += 2;
         return MemOperand(InputRegister(index + 0), InputInt32(index + 1));
       case kMode_MRR:
         // TODO(plind): r6 address mode, to be implemented ...
         UNREACHABLE();
     }
     UNREACHABLE();
     return MemOperand(no_reg);
   }
 
-  MemOperand MemoryOperand(int index = 0) { return MemoryOperand(&index); }
+  MemOperand MemoryOperand(size_t index = 0) { return MemoryOperand(&index); }
 
   MemOperand ToMemOperand(InstructionOperand* op) const {
     DCHECK(op != NULL);
     DCHECK(!op->IsRegister());
     DCHECK(!op->IsDoubleRegister());
     DCHECK(op->IsStackSlot() || op->IsDoubleStackSlot());
     // The linkage computes where all spill slots are located.
     FrameOffset offset = linkage()->GetFrameOffset(op->index(), frame(), 0);
     return MemOperand(offset.from_stack_pointer() ? sp : fp, offset.offset());
   }
 };
 
 
-static inline bool HasRegisterInput(Instruction* instr, int index) {
+static inline bool HasRegisterInput(Instruction* instr, size_t index) {
   return instr->InputAt(index)->IsRegister();
 }
 
 
 namespace {
 
 class OutOfLineLoadSingle FINAL : public OutOfLineCode {
  public:
   OutOfLineLoadSingle(CodeGenerator* gen, FloatRegister result)
       : OutOfLineCode(gen), result_(result) {}
@@ skipping 509 matching lines @@
       __ lw(i.OutputRegister(), i.MemoryOperand());
       break;
     case kMipsSw:
       __ sw(i.InputRegister(2), i.MemoryOperand());
       break;
     case kMipsLwc1: {
       __ lwc1(i.OutputSingleRegister(), i.MemoryOperand());
       break;
     }
     case kMipsSwc1: {
-      int index = 0;
+      size_t index = 0;
       MemOperand operand = i.MemoryOperand(&index);
       __ swc1(i.InputSingleRegister(index), operand);
       break;
     }
     case kMipsLdc1:
       __ ldc1(i.OutputDoubleRegister(), i.MemoryOperand());
       break;
     case kMipsSdc1:
       __ sdc1(i.InputDoubleRegister(2), i.MemoryOperand());
       break;
@@ skipping 538 matching lines @@
     }
   }
   MarkLazyDeoptSite();
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8