commit 61f157c8528c2b46f3234b4eea5a44df531d857d
author Ben Murdoch <benm@google.com> Fri Sep 16 13:49:30 2016 +0100
committer Dirk Vogt <dirk@fairphone.com> Fri Mar 17 16:06:52 2017 +0100
tree 3fa142ce2609b1fdf9d001275350184f71860fa3
parent c5610438f36f65235862a5f5020a739d29a5c32e

Merge V8 5.3.332.45.  DO NOT MERGE

Test: Manual

FPIIM-449

Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)

src/x87/assembler-x87.h

diff --git a/src/x87/assembler-x87.h b/src/x87/assembler-x87.h
index eaf28e9..d4cde52 100644
--- a/src/x87/assembler-x87.h
+++ b/src/x87/assembler-x87.h
@@ -122,8 +122,6 @@
     Register r = {code};
     return r;
   }
-  const char* ToString();
-  bool IsAllocatable() const;
   bool is_valid() const { return 0 <= reg_code && reg_code < kNumRegisters; }
   bool is(Register reg) const { return reg_code == reg.reg_code; }
   int code() const {
@@ -147,6 +145,8 @@
 #undef DECLARE_REGISTER
 const Register no_reg = {Register::kCode_no_reg};
 
+static const bool kSimpleFPAliasing = true;
+
 struct X87Register {
   enum Code {
 #define REGISTER_CODE(R) kCode_##R,
@@ -164,7 +164,6 @@
     return result;
   }
 
-  bool IsAllocatable() const;
   bool is_valid() const { return 0 <= reg_code && reg_code < kMaxNumRegisters; }
 
   int code() const {
@@ -174,8 +173,6 @@
 
   bool is(X87Register reg) const { return reg_code == reg.reg_code; }
 
-  const char* ToString();
-
   int reg_code;
 };
 
@@ -654,6 +651,14 @@
   void xchg_b(Register reg, const Operand& op);
   void xchg_w(Register reg, const Operand& op);
 
+  // Lock prefix
+  void lock();
+
+  // CompareExchange
+  void cmpxchg(const Operand& dst, Register src);
+  void cmpxchg_b(const Operand& dst, Register src);
+  void cmpxchg_w(const Operand& dst, Register src);
+
   // Arithmetics
   void adc(Register dst, int32_t imm32);
   void adc(Register dst, const Operand& src);