[turbofan] Fix several int vs size_t issues.

src/compiler/ia32/code-generator-ia32.cc

 // Copyright 2013 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/ia32/assembler-ia32.h"
 #include "src/ia32/macro-assembler-ia32.h"
 #include "src/scopes.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 #define __ masm()->
 
 
 // Adds IA-32 specific methods for decoding operands.
 class IA32OperandConverter : public InstructionOperandConverter {
  public:
   IA32OperandConverter(CodeGenerator* gen, Instruction* instr)
       : InstructionOperandConverter(gen, instr) {}
 
-  Operand InputOperand(int index) { return ToOperand(instr_->InputAt(index)); }
+  Operand InputOperand(size_t index) {
+    return ToOperand(instr_->InputAt(index));
+  }
 
-  Immediate InputImmediate(int index) {
+  Immediate InputImmediate(size_t index) {
     return ToImmediate(instr_->InputAt(index));
   }
 
   Operand OutputOperand() { return ToOperand(instr_->Output()); }
 
   Operand ToOperand(InstructionOperand* op, int extra = 0) {
     if (op->IsRegister()) {
       DCHECK(extra == 0);
       return Operand(ToRegister(op));
     } else if (op->IsDoubleRegister()) {
@@ skipping 28 matching lines @@
         return Immediate(constant.ToHeapObject());
       case Constant::kInt64:
         break;
       case Constant::kRpoNumber:
         return Immediate::CodeRelativeOffset(ToLabel(operand));
     }
     UNREACHABLE();
     return Immediate(-1);
   }
 
-  static int NextOffset(int* offset) {
-    int i = *offset;
+  static size_t NextOffset(size_t* offset) {
+    size_t i = *offset;
     (*offset)++;
     return i;
   }
 
   static ScaleFactor ScaleFor(AddressingMode one, AddressingMode mode) {
     STATIC_ASSERT(0 == static_cast<int>(times_1));
     STATIC_ASSERT(1 == static_cast<int>(times_2));
     STATIC_ASSERT(2 == static_cast<int>(times_4));
     STATIC_ASSERT(3 == static_cast<int>(times_8));
     int scale = static_cast<int>(mode - one);
     DCHECK(scale >= 0 && scale < 4);
     return static_cast<ScaleFactor>(scale);
   }
 
-  Operand MemoryOperand(int* offset) {
+  Operand MemoryOperand(size_t* offset) {
     AddressingMode mode = AddressingModeField::decode(instr_->opcode());
     switch (mode) {
       case kMode_MR: {
         Register base = InputRegister(NextOffset(offset));
         int32_t disp = 0;
         return Operand(base, disp);
       }
       case kMode_MRI: {
         Register base = InputRegister(NextOffset(offset));
         int32_t disp = InputInt32(NextOffset(offset));
@@ skipping 42 matching lines @@
         return Operand(Immediate(disp));
       }
       case kMode_None:
         UNREACHABLE();
         return Operand(no_reg, 0);
     }
     UNREACHABLE();
     return Operand(no_reg, 0);
   }
 
-  Operand MemoryOperand(int first_input = 0) {
+  Operand MemoryOperand(size_t first_input = 0) {
     return MemoryOperand(&first_input);
   }
 };
 
 
 namespace {
 
-bool HasImmediateInput(Instruction* instr, int index) {
+bool HasImmediateInput(Instruction* instr, size_t index) {
   return instr->InputAt(index)->IsImmediate();
 }
 
 
 class OutOfLineLoadInteger FINAL : public OutOfLineCode {
  public:
   OutOfLineLoadInteger(CodeGenerator* gen, Register result)
       : OutOfLineCode(gen), result_(result) {}
 
   void Generate() FINAL { __ xor_(result_, result_); }
@@ skipping 371 matching lines @@
                 i.InputOperand(1));
       break;
     }
     case kIA32Movsxbl:
       __ movsx_b(i.OutputRegister(), i.MemoryOperand());
       break;
     case kIA32Movzxbl:
       __ movzx_b(i.OutputRegister(), i.MemoryOperand());
       break;
     case kIA32Movb: {
-      int index = 0;
+      size_t index = 0;
       Operand operand = i.MemoryOperand(&index);
       if (HasImmediateInput(instr, index)) {
         __ mov_b(operand, i.InputInt8(index));
       } else {
         __ mov_b(operand, i.InputRegister(index));
       }
       break;
     }
     case kIA32Movsxwl:
       __ movsx_w(i.OutputRegister(), i.MemoryOperand());
       break;
     case kIA32Movzxwl:
       __ movzx_w(i.OutputRegister(), i.MemoryOperand());
       break;
     case kIA32Movw: {
-      int index = 0;
+      size_t index = 0;
       Operand operand = i.MemoryOperand(&index);
       if (HasImmediateInput(instr, index)) {
         __ mov_w(operand, i.InputInt16(index));
       } else {
         __ mov_w(operand, i.InputRegister(index));
       }
       break;
     }
     case kIA32Movl:
       if (instr->HasOutput()) {
         __ mov(i.OutputRegister(), i.MemoryOperand());
       } else {
-        int index = 0;
+        size_t index = 0;
         Operand operand = i.MemoryOperand(&index);
         if (HasImmediateInput(instr, index)) {
           __ mov(operand, i.InputImmediate(index));
         } else {
           __ mov(operand, i.InputRegister(index));
         }
       }
       break;
     case kIA32Movsd:
       if (instr->HasOutput()) {
         __ movsd(i.OutputDoubleRegister(), i.MemoryOperand());
       } else {
-        int index = 0;
+        size_t index = 0;
         Operand operand = i.MemoryOperand(&index);
         __ movsd(operand, i.InputDoubleRegister(index));
       }
       break;
     case kIA32Movss:
       if (instr->HasOutput()) {
         __ movss(i.OutputDoubleRegister(), i.MemoryOperand());
       } else {
-        int index = 0;
+        size_t index = 0;
         Operand operand = i.MemoryOperand(&index);
         __ movss(operand, i.InputDoubleRegister(index));
       }
       break;
     case kIA32Lea: {
       AddressingMode mode = AddressingModeField::decode(instr->opcode());
       // Shorten "leal" to "addl", "subl" or "shll" if the register allocation
       // and addressing mode just happens to work out. The "addl"/"subl" forms
       // in these cases are faster based on measurements.
       if (mode == kMode_MI) {
@@ skipping 651 matching lines @@
     }
   }
   MarkLazyDeoptSite();
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8