RegExp macro assembler clean up.

src/mips/regexp-macro-assembler-mips.cc

 // Copyright 2012 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 217 matching lines @@
   __ Addu(a0, end_of_input_address(), Operand(current_input_offset()));
   BranchOrBacktrack(on_not_at_start, ne, a0, Operand(a1));
 }
 
 
 void RegExpMacroAssemblerMIPS::CheckCharacterLT(uc16 limit, Label* on_less) {
   BranchOrBacktrack(on_less, lt, current_character(), Operand(limit));
 }
 
 
-void RegExpMacroAssemblerMIPS::CheckCharacters(Vector<const uc16> str,
-                                               int cp_offset,
-                                               Label* on_failure,
-                                               bool check_end_of_string) {
-  if (on_failure == NULL) {
-    // Instead of inlining a backtrack for each test, (re)use the global
-    // backtrack target.
-    on_failure = &backtrack_label_;
-  }
-
-  if (check_end_of_string) {
-    // Is last character of required match inside string.
-    CheckPosition(cp_offset + str.length() - 1, on_failure);
-  }
-
-  __ Addu(a0, end_of_input_address(), Operand(current_input_offset()));
-  if (cp_offset != 0) {
-    int byte_offset = cp_offset * char_size();
-    __ Addu(a0, a0, Operand(byte_offset));
-  }
-
-  // a0 : Address of characters to match against str.
-  int stored_high_byte = 0;
-  for (int i = 0; i < str.length(); i++) {
-    if (mode_ == ASCII) {
-      __ lbu(a1, MemOperand(a0, 0));
-      __ addiu(a0, a0, char_size());
-      ASSERT(str[i] <= String::kMaxOneByteCharCode);
-      BranchOrBacktrack(on_failure, ne, a1, Operand(str[i]));
-    } else {
-      __ lhu(a1, MemOperand(a0, 0));
-      __ addiu(a0, a0, char_size());
-      uc16 match_char = str[i];
-      int match_high_byte = (match_char >> 8);
-      if (match_high_byte == 0) {
-        BranchOrBacktrack(on_failure, ne, a1, Operand(str[i]));
-      } else {
-        if (match_high_byte != stored_high_byte) {
-          __ li(a2, Operand(match_high_byte));
-          stored_high_byte = match_high_byte;
-        }
-        __ Addu(a3, a2, Operand(match_char & 0xff));
-        BranchOrBacktrack(on_failure, ne, a1, Operand(a3));
-      }
-    }
-  }
-}
-
-
 void RegExpMacroAssemblerMIPS::CheckGreedyLoop(Label* on_equal) {
   Label backtrack_non_equal;
   __ lw(a0, MemOperand(backtrack_stackpointer(), 0));
   __ Branch(&backtrack_non_equal, ne, current_input_offset(), Operand(a0));
   __ Addu(backtrack_stackpointer(),
           backtrack_stackpointer(),
           Operand(kPointerSize));
   __ bind(&backtrack_non_equal);
   BranchOrBacktrack(on_equal, eq, current_input_offset(), Operand(a0));
 }
@@ skipping 1082 matching lines @@
 }
 
 
 #undef __
 
 #endif  // V8_INTERPRETED_REGEXP
 
 }}  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS