ARM native regexps.

src/jsregexp.cc

Index: src/jsregexp.cc
diff --git a/src/jsregexp.cc b/src/jsregexp.cc
index 06208aa50aebda4d9170781d220dac084b98cb24..4fb8a9fdaa7735e55f6044eb42a08f34752b9aa0 100644
--- a/src/jsregexp.cc
+++ b/src/jsregexp.cc
@@ -51,6 +51,7 @@
 #include "x64/macro-assembler-x64.h"
 #include "x64/regexp-macro-assembler-x64.h"
 #elif V8_TARGET_ARCH_ARM
+#include "arm/macro-assembler-arm.h"
 #include "arm/regexp-macro-assembler-arm.h"
 #else
 #error Unsupported target architecture.
@@ -419,9 +420,7 @@ Handle<Object> RegExpImpl::IrregexpExec(Handle<JSRegExp> jsregexp,
   Handle<FixedArray> regexp(FixedArray::cast(jsregexp->data()));
 
 #ifdef V8_NATIVE_REGEXP
-#ifdef V8_TARGET_ARCH_ARM
-  UNIMPLEMENTED();
-#else  // Native regexp supported.
+
   OffsetsVector captures(number_of_capture_registers);
   int* captures_vector = captures.vector();
   NativeRegExpMacroAssembler::Result res;
@@ -455,9 +454,9 @@ Handle<Object> RegExpImpl::IrregexpExec(Handle<JSRegExp> jsregexp,
     SetCapture(*array, i, captures_vector[i]);
     SetCapture(*array, i + 1, captures_vector[i + 1]);
   }
-#endif  // Native regexp supported.
 
 #else  // ! V8_NATIVE_REGEXP
+
   bool is_ascii = subject->IsAsciiRepresentation();
   if (!EnsureCompiledIrregexp(jsregexp, is_ascii)) {
     return Handle<Object>::null();
@@ -487,6 +486,7 @@ Handle<Object> RegExpImpl::IrregexpExec(Handle<JSRegExp> jsregexp,
     SetCapture(*array, i, register_vector[i]);
     SetCapture(*array, i + 1, register_vector[i + 1]);
   }
+
 #endif  // V8_NATIVE_REGEXP
 
   SetLastCaptureCount(*array, number_of_capture_registers);
@@ -4470,16 +4470,12 @@ RegExpEngine::CompilationResult RegExpEngine::Compile(RegExpCompileData* data,
       is_ascii ? NativeRegExpMacroAssembler::ASCII
                : NativeRegExpMacroAssembler::UC16;
 
-#ifdef V8_TARGET_ARCH_IA32
-  RegExpMacroAssemblerIA32 macro_assembler(mode,
-                                           (data->capture_count + 1) * 2);
-#endif
-#ifdef V8_TARGET_ARCH_X64
-  RegExpMacroAssemblerX64 macro_assembler(mode,
-                                          (data->capture_count + 1) * 2);
-#endif
-#ifdef V8_TARGET_ARCH_ARM
-  UNIMPLEMENTED();
+#if V8_TARGET_ARCH_IA32
+  RegExpMacroAssemblerIA32 macro_assembler(mode, (data->capture_count + 1) * 2);
+#elif V8_TARGET_ARCH_X64
+  RegExpMacroAssemblerX64 macro_assembler(mode, (data->capture_count + 1) * 2);
+#elif V8_TARGET_ARCH_ARM
+  RegExpMacroAssemblerARM macro_assembler(mode, (data->capture_count + 1) * 2);
 #endif
 
 #else  // ! V8_NATIVE_REGEXP