Limit the generation of regexp code with large inlined constants.

src/regexp-macro-assembler.cc

 // Copyright 2008 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 17 matching lines @@
 #include "v8.h"
 #include "ast.h"
 #include "assembler.h"
 #include "regexp-stack.h"
 #include "regexp-macro-assembler.h"
 #include "simulator.h"
 
 namespace v8 {
 namespace internal {
 
-RegExpMacroAssembler::RegExpMacroAssembler() {
+RegExpMacroAssembler::RegExpMacroAssembler() : slow_safe_compiler_(false) {
 }
 
 
 RegExpMacroAssembler::~RegExpMacroAssembler() {
 }
 
 
 bool RegExpMacroAssembler::CanReadUnaligned() {
 #ifdef V8_HOST_CAN_READ_UNALIGNED
   return true;
 #else
   return false;
 #endif
 }
 
 
 #ifndef V8_INTERPRETED_REGEXP  // Avoid unused code, e.g., on ARM.
 
-NativeRegExpMacroAssembler::NativeRegExpMacroAssembler() {
+NativeRegExpMacroAssembler::NativeRegExpMacroAssembler()
+    : RegExpMacroAssembler() {
 }
 
 
 NativeRegExpMacroAssembler::~NativeRegExpMacroAssembler() {
 }
 
 
 bool NativeRegExpMacroAssembler::CanReadUnaligned() {
 #ifdef V8_TARGET_CAN_READ_UNALIGNED
-  return true;
+  return !slow_safe();
 #else
   return false;
 #endif
 }
 
 const byte* NativeRegExpMacroAssembler::StringCharacterPosition(
     String* subject,
     int start_index) {
   // Not just flat, but ultra flat.
   ASSERT(subject->IsExternalString() || subject->IsSeqString());
@@ skipping 179 matching lines @@
     return NULL;
   }
   *stack_base = new_stack_base;
   intptr_t stack_content_size = old_stack_base - stack_pointer;
   return new_stack_base - stack_content_size;
 }
 
 #endif  // V8_INTERPRETED_REGEXP
 
 } }  // namespace v8::internal