[runtime] First step to sanitize regexp literal creation.

src/arm64/macro-assembler-arm64.h

 // Copyright 2013 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_ARM64_MACRO_ASSEMBLER_ARM64_H_
 #define V8_ARM64_MACRO_ASSEMBLER_ARM64_H_
 
 #include <vector>
 
 #include "src/arm64/assembler-arm64.h"
@@ skipping 1010 matching lines @@
                                  FPRegister scratch_d,
                                  Label* on_successful_conversion = NULL,
                                  Label* on_failed_conversion = NULL) {
     DCHECK(as_int.Is64Bits());
     TryRepresentDoubleAsInt(as_int, value, scratch_d, on_successful_conversion,
                             on_failed_conversion);
   }
 
   // ---- Object Utilities ----
 
-  // Copy fields from 'src' to 'dst', where both are tagged objects.
-  // The 'temps' list is a list of X registers which can be used for scratch
-  // values. The temps list must include at least one register.
-  //
-  // Currently, CopyFields cannot make use of more than three registers from
-  // the 'temps' list.
-  //
-  // CopyFields expects to be able to take at least two registers from
-  // MacroAssembler::TmpList().
-  void CopyFields(Register dst, Register src, CPURegList temps, unsigned count);
-
   // Initialize fields with filler values.  Fields starting at |current_address|
   // not including |end_address| are overwritten with the value in |filler|.  At
   // the end the loop, |current_address| takes the value of |end_address|.
   void InitializeFieldsWithFiller(Register current_address,
                                   Register end_address, Register filler);
 
   // Copies a number of bytes from src to dst. All passed registers are
   // clobbered. On exit src and dst will point to the place just after where the
   // last byte was read or written and length will be zero. Hint may be used to
   // determine which is the most efficient algorithm to use for copying.
@@ skipping 951 matching lines @@
   // Perform necessary maintenance operations before a push or after a pop.
   //
   // Note that size is specified in bytes.
   void PushPreamble(Operand total_size);
   void PopPostamble(Operand total_size);
 
   void PushPreamble(int count, int size) { PushPreamble(count * size); }
   void PopPostamble(int count, int size) { PopPostamble(count * size); }
 
  private:
-  // Helpers for CopyFields.
-  // These each implement CopyFields in a different way.
-  void CopyFieldsLoopPairsHelper(Register dst, Register src, unsigned count,
-                                 Register scratch1, Register scratch2,
-                                 Register scratch3, Register scratch4,
-                                 Register scratch5);
-  void CopyFieldsUnrolledPairsHelper(Register dst, Register src, unsigned count,
-                                     Register scratch1, Register scratch2,
-                                     Register scratch3, Register scratch4);
-  void CopyFieldsUnrolledHelper(Register dst, Register src, unsigned count,
-                                Register scratch1, Register scratch2,
-                                Register scratch3);
-
   // The actual Push and Pop implementations. These don't generate any code
   // other than that required for the push or pop. This allows
   // (Push|Pop)CPURegList to bundle together run-time assertions for a large
   // block of registers.
   //
   // Note that size is per register, and is specified in bytes.
   void PushHelper(int count, int size,
                   const CPURegister& src0, const CPURegister& src1,
                   const CPURegister& src2, const CPURegister& src3);
   void PopHelper(int count, int size,
@@ skipping 250 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_ARM64_MACRO_ASSEMBLER_ARM64_H_