Fixed some minor issues reported by clang

src/asmjit/base/compiler.cpp

@@ -40,11 +40,11 @@ enum { kBaseCompilerDefaultLookAhead = 64 };
 
 Compiler::Compiler(Runtime* runtime) :
   CodeGen(runtime),
+  _assembler(NULL),
   _nodeFlowId(0),
   _nodeFlags(0),
   _maxLookAhead(kBaseCompilerDefaultLookAhead),
   _targetVarMapping(NULL),
-  _assembler(NULL),
   _firstNode(NULL),
   _lastNode(NULL),
   _cursor(NULL),

src/asmjit/base/constpool.cpp

@@ -162,19 +162,6 @@ void ConstPool::reset() {
 // [asmjit::ConstPool - Ops]
 // ============================================================================
 
-static ASMJIT_INLINE size_t ConstPool_getGapIndex(size_t size) {
-  if (size <=  1)
-    return ConstPool::kIndex1;
-  else if (size <=  3)
-    return ConstPool::kIndex2;
-  else if (size <=  7)
-    return ConstPool::kIndex4;
-  else if (size <= 15)
-    return ConstPool::kIndex8;
-  else
-    return ConstPool::kIndex16;
-}
-
 static ASMJIT_INLINE ConstPoolGap* ConstPool_allocGap(ConstPool* self) {
   ConstPoolGap* gap = self->_gapPool;
   if (gap == NULL)
@@ -481,7 +468,6 @@ UNIT(base_constpool) {
   INFO("Checking pool alignment when combined constants are added.");
   {
     uint8_t bytes[32] = { 0 };
-    uint64_t c = 0;
     size_t offset;
 
     pool.add(bytes, 1, offset);

src/asmjit/base/context.cpp

@@ -217,7 +217,7 @@ Error Context::resolveCellOffsets() {
   // Vars - Allocated according to alignment/width.
   while (varCell != NULL) {
     uint32_t size = varCell->getSize();
-    uint32_t offset;
+    uint32_t offset = 0;
 
     switch (size) {
       case  1: offset = pos1 ; pos1  += 1 ; break;

src/asmjit/x86/x86assembler.cpp

@@ -968,16 +968,18 @@ static bool X86Assembler_dumpComment(StringBuilder& sb, size_t len, const uint8_
 // [asmjit::X86Assembler - Emit]
 // ============================================================================
 
+#define HI_REG(_Index_) ((_kX86RegTypePatchedGpbHi << 8) | _Index_)
 //! \internal
 static const Operand::VRegOp x86PatchedHiRegs[4] = {
-  // --------------+---+--------------------------------+--------------+------+
-  // Operand       | S | Register Code                  | OperandId    |Unused|
-  // --------------+---+--------------------------------+--------------+------+
-  { kOperandTypeReg, 1 , (_kX86RegTypePatchedGpbHi << 8) | 4, kInvalidValue, 0, 0 },
-  { kOperandTypeReg, 1 , (_kX86RegTypePatchedGpbHi << 8) | 5, kInvalidValue, 0, 0 },
-  { kOperandTypeReg, 1 , (_kX86RegTypePatchedGpbHi << 8) | 6, kInvalidValue, 0, 0 },
-  { kOperandTypeReg, 1 , (_kX86RegTypePatchedGpbHi << 8) | 7, kInvalidValue, 0, 0 }
+  // --------------+---+--------------+--------------+------------+
+  // Operand       | S | Reg. Code    | OperandId    |   Unused   |
+  // --------------+---+--------------+--------------+------------+
+  { kOperandTypeReg, 1 , { HI_REG(4) }, kInvalidValue, {{ 0, 0 }} },
+  { kOperandTypeReg, 1 , { HI_REG(5) }, kInvalidValue, {{ 0, 0 }} },
+  { kOperandTypeReg, 1 , { HI_REG(6) }, kInvalidValue, {{ 0, 0 }} },
+  { kOperandTypeReg, 1 , { HI_REG(7) }, kInvalidValue, {{ 0, 0 }} }
 };
+#undef HI_REG
 
 template<int Arch>
 static Error ASMJIT_CDECL X86Assembler_emit(Assembler* self_, uint32_t code, const Operand* o0, const Operand* o1, const Operand* o2, const Operand* o3) {
@@ -4108,7 +4110,6 @@ _EmitJmpOrCallAbs:
 
     if (Arch == kArchX64) {
       Ptr baseAddress = self->getBaseAddress();
-      Ptr diff = rd.data - (baseAddress + rd.from + 4);
 
       // If the base address of the output is known, it's possible to determine
       // the need for a trampoline here. This saves possible REX prefix in

src/asmjit/x86/x86context.cpp

@@ -279,8 +279,8 @@ X86Context::~X86Context() {}
 // [asmjit::X86Context - Reset]
 // ============================================================================
 
-void X86Context::reset() {
-  Context::reset();
+void X86Context::reset(bool releaseMemory) {
+  Context::reset(releaseMemory);
 
   _x86State.reset(0);
   _clobberedRegs.reset();
@@ -2090,7 +2090,6 @@ Error X86Context::fetch() {
   Node* next = NULL;
   Node* stop = getStop();
 
-  uint32_t groupId = 1;
   uint32_t flowId = 0;
 
   VarAttr vaTmpList[80];
@@ -4432,8 +4431,6 @@ ASMJIT_INLINE void X86CallAlloc::ret() {
 //! \internal
 static Error X86Context_translateOperands(X86Context* self, Operand* opList, uint32_t opCount) {
   X86Compiler* compiler = self->getCompiler();
-  const X86VarInfo* varInfo = _x86VarInfo;
-
   uint32_t hasGpdBase = compiler->getRegSize() == 4;
 
   // Translate variables into registers.

src/asmjit/x86/x86context_p.h

@@ -59,7 +59,7 @@ struct X86Context : public Context {
   // [Reset]
   // --------------------------------------------------------------------------
 
-  virtual void reset();
+  virtual void reset(bool releaseMemory = false);
 
   // --------------------------------------------------------------------------
   // [Arch]