Merge changes up to V8 version 2.1.3 into the partial snapshots

src/ia32/assembler-ia32.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 75 matching lines @@
 const Register edx = { 2 };
 const Register ebx = { 3 };
 const Register esp = { 4 };
 const Register ebp = { 5 };
 const Register esi = { 6 };
 const Register edi = { 7 };
 const Register no_reg = { -1 };
 
 
 struct XMMRegister {
-  bool is_valid() const  { return 0 <= code_ && code_ < 2; }  // currently
+  bool is_valid() const  { return 0 <= code_ && code_ < 8; }
   int code() const  {
     ASSERT(is_valid());
     return code_;
   }
 
   int code_;
 };
 
 const XMMRegister xmm0 = { 0 };
 const XMMRegister xmm1 = { 1 };
@@ skipping 428 matching lines @@
 
   void movzx_b(Register dst, const Operand& src);
 
   void movzx_w(Register dst, const Operand& src);
 
   // Conditional moves
   void cmov(Condition cc, Register dst, int32_t imm32);
   void cmov(Condition cc, Register dst, Handle<Object> handle);
   void cmov(Condition cc, Register dst, const Operand& src);
 
+  // Flag management.
+  void cld();
+
   // Repetitive string instructions.
   void rep_movs();
+  void rep_stos();
 
   // Exchange two registers
   void xchg(Register dst, Register src);
 
   // Arithmetics
   void adc(Register dst, int32_t imm32);
   void adc(Register dst, const Operand& src);
 
   void add(Register dst, const Operand& src);
   void add(const Operand& dst, const Immediate& x);
@@ skipping 190 matching lines @@
   void sahf();
   void setcc(Condition cc, Register reg);
 
   void cpuid();
 
   // SSE2 instructions
   void cvttss2si(Register dst, const Operand& src);
   void cvttsd2si(Register dst, const Operand& src);
 
   void cvtsi2sd(XMMRegister dst, const Operand& src);
+  void cvtss2sd(XMMRegister dst, XMMRegister src);
 
   void addsd(XMMRegister dst, XMMRegister src);
   void subsd(XMMRegister dst, XMMRegister src);
   void mulsd(XMMRegister dst, XMMRegister src);
   void divsd(XMMRegister dst, XMMRegister src);
   void xorpd(XMMRegister dst, XMMRegister src);
+  void sqrtsd(XMMRegister dst, XMMRegister src);
 
   void comisd(XMMRegister dst, XMMRegister src);
+  void ucomisd(XMMRegister dst, XMMRegister src);
 
   void movdqa(XMMRegister dst, const Operand& src);
   void movdqa(const Operand& dst, XMMRegister src);
   void movdqu(XMMRegister dst, const Operand& src);
   void movdqu(const Operand& dst, XMMRegister src);
 
   // Use either movsd or movlpd.
   void movdbl(XMMRegister dst, const Operand& src);
   void movdbl(const Operand& dst, XMMRegister src);
 
+  void movd(XMMRegister dst, const Operand& src);
+  void movsd(XMMRegister dst, XMMRegister src);
+
+  void pxor(XMMRegister dst, XMMRegister src);
+  void ptest(XMMRegister dst, XMMRegister src);
+
   // Debugging
   void Print();
 
   // Check the code size generated from label to here.
   int SizeOfCodeGeneratedSince(Label* l) { return pc_offset() - l->pos(); }
 
   // Mark address of the ExitJSFrame code.
   void RecordJSReturn();
 
   // Record a comment relocation entry that can be used by a disassembler.
@@ skipping 129 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_ASSEMBLER_IA32_H_