[runtime] First step to sanitize regexp literal creation.

src/arm/macro-assembler-arm.cc

 // Copyright 2012 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.
 
 #include <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
@@ skipping 2911 matching lines @@
                                                  Register scratch1,
                                                  Register scratch2,
                                                  Register heap_number_map,
                                                  Label* gc_required) {
   AllocateHeapNumber(result, scratch1, scratch2, heap_number_map, gc_required);
   sub(scratch1, result, Operand(kHeapObjectTag));
   vstr(value, scratch1, HeapNumber::kValueOffset);
 }
 
 
-// Copies a fixed number of fields of heap objects from src to dst.
-void MacroAssembler::CopyFields(Register dst,
-                                Register src,
-                                LowDwVfpRegister double_scratch,
-                                int field_count) {
-  int double_count = field_count / (DwVfpRegister::kSizeInBytes / kPointerSize);
-  for (int i = 0; i < double_count; i++) {
-    vldr(double_scratch, FieldMemOperand(src, i * DwVfpRegister::kSizeInBytes));
-    vstr(double_scratch, FieldMemOperand(dst, i * DwVfpRegister::kSizeInBytes));
-  }
-
-  STATIC_ASSERT(SwVfpRegister::kSizeInBytes == kPointerSize);
-  STATIC_ASSERT(2 * SwVfpRegister::kSizeInBytes == DwVfpRegister::kSizeInBytes);
-
-  int remain = field_count % (DwVfpRegister::kSizeInBytes / kPointerSize);
-  if (remain != 0) {
-    vldr(double_scratch.low(),
-         FieldMemOperand(src, (field_count - 1) * kPointerSize));
-    vstr(double_scratch.low(),
-         FieldMemOperand(dst, (field_count - 1) * kPointerSize));
-  }
-}
-
-
 void MacroAssembler::CopyBytes(Register src,
                                Register dst,
                                Register length,
                                Register scratch) {
   Label align_loop_1, word_loop, byte_loop, byte_loop_1, done;
 
   // Align src before copying in word size chunks.
   cmp(length, Operand(kPointerSize));
   b(le, &byte_loop);
 
@@ skipping 741 matching lines @@
     }
   }
   if (mag.shift > 0) mov(result, Operand(result, ASR, mag.shift));
   add(result, result, Operand(dividend, LSR, 31));
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM