ARM: Implement native substring copying.

src/arm/assembler-arm.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 232 matching lines @@
   p9  = 9,
   p10 = 10,
   p11 = 11,
   p12 = 12,
   p13 = 13,
   p14 = 14,
   p15 = 15
 };
 
 
-// Condition field in instructions
+// Condition field in instructions.
 enum Condition {
   eq =  0 << 28,  // Z set            equal.
   ne =  1 << 28,  // Z clear          not equal.
   nz =  1 << 28,  // Z clear          not zero.
   cs =  2 << 28,  // C set            carry set.
   hs =  2 << 28,  // C set            unsigned higher or same.
   cc =  3 << 28,  // C clear          carry clear.
   lo =  3 << 28,  // C clear          unsigned lower.
   mi =  4 << 28,  // N set            negative.
   pl =  5 << 28,  // N clear          positive or zero.
@@ skipping 760 matching lines @@
   void RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data = 0);
 
   friend class RegExpMacroAssemblerARM;
   friend class RelocInfo;
   friend class CodePatcher;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_ARM_H_