Contribution of PowerPC port (continuation of 422063005) - currency

src/ppc/macro-assembler-ppc.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_PPC_MACRO_ASSEMBLER_PPC_H_
 #define V8_PPC_MACRO_ASSEMBLER_PPC_H_
 
 #include "src/assembler.h"
 #include "src/bailout-reason.h"
 #include "src/frames.h"
@@ skipping 84 matching lines @@
 // MacroAssembler implements a collection of frequently used macros.
 class MacroAssembler : public Assembler {
  public:
   // The isolate parameter can be NULL if the macro assembler should
   // not use isolate-dependent functionality. In this case, it's the
   // responsibility of the caller to never invoke such function on the
   // macro assembler.
   MacroAssembler(Isolate* isolate, void* buffer, int size);
 
 
-  // Returns the size of a call in instructions. Note, the value returned is
-  // only valid as long as no entries are added to the constant pool between
-  // checking the call size and emitting the actual call.
+  // Returns the size of a call in instructions.
   static int CallSize(Register target);
   int CallSize(Address target, RelocInfo::Mode rmode, Condition cond = al);
   static int CallSizeNotPredictableCodeSize(Address target,
                                             RelocInfo::Mode rmode,
                                             Condition cond = al);
 
   // Jump, Call, and Ret pseudo instructions implementing inter-working.
   void Jump(Register target);
   void JumpToJSEntry(Register target);
   void Jump(Address target, RelocInfo::Mode rmode, Condition cond = al,
@@ skipping 559 matching lines @@
 
   // Initialize fields with filler values.  Fields starting at |start_offset|
   // not including end_offset are overwritten with the value in |filler|.  At
   // the end the loop, |start_offset| takes the value of |end_offset|.
   void InitializeFieldsWithFiller(Register start_offset, Register end_offset,
                                   Register filler);
 
   // ---------------------------------------------------------------------------
   // Support functions.
 
+  // Machine code version of Map::GetConstructor().
+  // |temp| holds |result|'s map when done, and |temp2| its instance type.
+  void GetMapConstructor(Register result, Register map, Register temp,
+                         Register temp2);
+
   // Try to get function prototype of a function and puts the value in
   // the result register. Checks that the function really is a
   // function and jumps to the miss label if the fast checks fail. The
   // function register will be untouched; the other registers may be
   // clobbered.
   void TryGetFunctionPrototype(Register function, Register result,
                                Register scratch, Label* miss,
                                bool miss_on_bound_function = false);
 
   // Compare object type for heap object.  heap_object contains a non-Smi
@@ skipping 657 matching lines @@
                                                 Label* failure);
 
   void JumpIfNotUniqueNameInstanceType(Register reg, Label* not_unique_name);
 
   void EmitSeqStringSetCharCheck(Register string, Register index,
                                  Register value, uint32_t encoding_mask);
 
   // ---------------------------------------------------------------------------
   // Patching helpers.
 
-  // Retrieve/patch the relocated value (lis/ori pair or constant pool load).
+  // Retrieve/patch the relocated value (lis/ori pair).
   void GetRelocatedValue(Register location, Register result, Register scratch);
   void SetRelocatedValue(Register location, Register scratch,
                          Register new_value);
 
   void ClampUint8(Register output_reg, Register input_reg);
 
   // Saturate a value into 8-bit unsigned integer
   //   if input_value < 0, output_value is 0
   //   if input_value > 255, output_value is 255
   //   otherwise output_value is the (int)input_value (round to nearest)
@@ skipping 103 matching lines @@
   // Helper for finding the mark bits for an address.  Afterwards, the
   // bitmap register points at the word with the mark bits and the mask
   // the position of the first bit.  Leaves addr_reg unchanged.
   inline void GetMarkBits(Register addr_reg, Register bitmap_reg,
                           Register mask_reg);
 
   // Helper for throwing exceptions.  Compute a handler address and jump to
   // it.  See the implementation for register usage.
   void JumpToHandlerEntry();
 
+  static const RegList kSafepointSavedRegisters;
+  static const int kNumSafepointSavedRegisters;
+
   // Compute memory operands for safepoint stack slots.
   static int SafepointRegisterStackIndex(int reg_code);
   MemOperand SafepointRegisterSlot(Register reg);
   MemOperand SafepointRegistersAndDoublesSlot(Register reg);
 
-#if V8_OOL_CONSTANT_POOL
-  // Loads the constant pool pointer (kConstantPoolRegister).
-  enum CodeObjectAccessMethod { CAN_USE_IP, CONSTRUCT_INTERNAL_REFERENCE };
-  void LoadConstantPoolPointerRegister(CodeObjectAccessMethod access_method,
-                                       int ip_code_entry_delta = 0);
-#endif
-
   bool generating_stub_;
   bool has_frame_;
   // This handle will be patched with the code object on installation.
   Handle<Object> code_object_;
 
   // Needs access to SafepointRegisterStackIndex for compiled frame
   // traversal.
   friend class StandardFrame;
 };
 
@@ skipping 48 matching lines @@
 #define ACCESS_MASM(masm)    \
   masm->stop(__FILE_LINE__); \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 }
 }  // namespace v8::internal
 
 #endif  // V8_PPC_MACRO_ASSEMBLER_PPC_H_