A64: Synchronize with r16849.

src/a64/macro-assembler-a64.h

 // Copyright 2013 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 779 matching lines @@
   void JumpIfHeapNumber(Register object,
                         Label* on_heap_number,
                         Register heap_number_map = NoReg);
   void JumpIfNotHeapNumber(Register object,
                            Label* on_not_heap_number,
                            Register heap_number_map = NoReg);
 
   // Jump to label if the input double register contains -0.0.
   void JumpIfMinusZero(DoubleRegister input, Label* on_negative_zero);
 
+  // Generate code to do a lookup in the number string cache. If the number in
+  // the register object is found in the cache the generated code falls through
+  // with the result in the result register. The object and the result register
+  // can be the same. If the number is not found in the cache the code jumps to
+  // the label not_found with only the content of register object unchanged.
+  void LookupNumberStringCache(Register object,
+                               Register result,
+                               Register scratch1,
+                               Register scratch2,
+                               Register scratch3,
+                               Label* not_found);
+
   // Saturate a signed 32-bit integer in input to an unsigned 8-bit integer in
   // output.
   void ClampInt32ToUint8(Register in_out);
   void ClampInt32ToUint8(Register output, Register input);
 
   // Saturate a double in input to an unsigned 8-bit integer in output.
   void ClampDoubleToUint8(Register output,
                           DoubleRegister input,
                           DoubleRegister dbl_scratch);
 
@@ skipping 144 matching lines @@
   // 'stack_space' is the space to be unwound on exit (includes the call JS
   // arguments space and the additional space allocated for the fast call).
   // 'spill_offset' is the offset from the stack pointer where
   // CallApiFunctionAndReturn can spill registers.
   void CallApiFunctionAndReturn(ExternalReference function,
                                 Address function_address,
                                 ExternalReference thunk_ref,
                                 Register thunk_last_arg,
                                 int stack_space,
                                 int spill_offset,
-                                int return_value_offset_from_fp);
+                                MemOperand return_value_operand,
+                                MemOperand* context_restore_operand);
 
   // The number of register that CallApiFunctionAndReturn will need to save on
   // the stack. The space for these registers need to be allocated in the
   // ExitFrame before calling CallApiFunctionAndReturn.
   static const int kCallApiFunctionSpillSpace = 4;
 
   // Jump to a runtime routine.
   void JumpToExternalReference(const ExternalReference& builtin);
   // Tail call of a runtime routine (jump).
   // Like JumpToExternalReference, but also takes care of passing the number
@@ skipping 556 matching lines @@
   // Leave the current exit frame, after a C function has returned to generated
   // (JavaScript) code.
   //
   // This effectively unwinds the operation of EnterExitFrame:
   //  * Preserved doubles are restored (if restore_doubles is true).
   //  * The frame information is removed from the top frame.
   //  * The exit frame is dropped.
   //  * The stack pointer is reset to jssp.
   //
   // The stack pointer must be csp on entry.
-  void LeaveExitFrame(bool restore_doubles, const Register& scratch);
+  void LeaveExitFrame(bool save_doubles,
+                      const Register& scratch,
+                      bool restore_context);
 
   void LoadContext(Register dst, int context_chain_length);
 
   // ---------------------------------------------------------------------------
   // StatsCounter support
 
   void SetCounter(StatsCounter* counter, int value, Register scratch1,
                   Register scratch2);
   void IncrementCounter(StatsCounter* counter, int value, Register scratch1,
                         Register scratch2);
@@ skipping 577 matching lines @@
 #error "Unsupported option"
 #define CODE_COVERAGE_STRINGIFY(x) #x
 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x)
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 #endif  // V8_A64_MACRO_ASSEMBLER_A64_H_