Subzero: Fix emission of 16-bit immediates.

src/assembler_ia32.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // Modified by the Subzero authors.
 //
 //===- subzero/src/assembler_ia32.h - Assembler for x86-32 ----------------===//
 //
 //                        The Subzero Code Generator
 //
@@ skipping 682 matching lines @@
 
   // Expose the buffer, for bringup...
   intptr_t GetPosition() const { return buffer_.GetPosition(); }
   template <typename T> T LoadBuffer(intptr_t position) const {
     return buffer_.Load<T>(position);
   }
   AssemblerFixup *GetLatestFixup() const { return buffer_.GetLatestFixup(); }
 
 private:
   inline void EmitUint8(uint8_t value);
+  inline void EmitInt16(int16_t value);
   inline void EmitInt32(int32_t value);
   inline void EmitRegisterOperand(int rm, int reg);
   inline void EmitXmmRegisterOperand(int rm, XmmRegister reg);
   inline void EmitFixup(AssemblerFixup *fixup);
   inline void EmitOperandSizeOverride();
 
   void EmitOperand(int rm, const Operand &operand);
-  void EmitImmediate(const Immediate &imm);
+  void EmitImmediate(Type ty, const Immediate &imm);
   void EmitComplexI8(int rm, const Operand &operand,
                      const Immediate &immediate);
-  void EmitComplex(int rm, const Operand &operand, const Immediate &immediate);
+  void EmitComplex(Type Ty, int rm, const Operand &operand,
+                   const Immediate &immediate);
   void EmitLabel(Label *label, intptr_t instruction_size);
   void EmitLabelLink(Label *label);
   void EmitNearLabelLink(Label *label);
 
   void EmitGenericShift(int rm, GPRRegister reg, const Immediate &imm);
   void EmitGenericShift(int rm, const Operand &operand, GPRRegister shifter);
 
   AssemblerBuffer buffer_;
 
   AssemblerX86(const AssemblerX86 &) LLVM_DELETED_FUNCTION;
   AssemblerX86 &operator=(const AssemblerX86 &) LLVM_DELETED_FUNCTION;
 };
 
 inline void AssemblerX86::EmitUint8(uint8_t value) {
   buffer_.Emit<uint8_t>(value);
 }
 
+inline void AssemblerX86::EmitInt16(int16_t value) {
+  buffer_.Emit<int16_t>(value);
+}
+
 inline void AssemblerX86::EmitInt32(int32_t value) {
   buffer_.Emit<int32_t>(value);
 }
 
 inline void AssemblerX86::EmitRegisterOperand(int rm, int reg) {
   assert(rm >= 0 && rm < 8);
   buffer_.Emit<uint8_t>(0xC0 + (rm << 3) + reg);
 }
 
 inline void AssemblerX86::EmitXmmRegisterOperand(int rm, XmmRegister reg) {
   EmitRegisterOperand(rm, static_cast<GPRRegister>(reg));
 }
 
 inline void AssemblerX86::EmitFixup(AssemblerFixup *fixup) {
   buffer_.EmitFixup(fixup);
 }
 
 inline void AssemblerX86::EmitOperandSizeOverride() { EmitUint8(0x66); }
 
 } // end of namespace x86
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ASSEMBLER_IA32_H_