Move hot utf routines into -inl.h.

Change-Id: I7050d8282a7e5870b2bf671d6867c57625e00ccc
diff --git a/runtime/dex_file.cc b/runtime/dex_file.cc
index e81c456..098ab67 100644
--- a/runtime/dex_file.cc
+++ b/runtime/dex_file.cc
@@ -38,7 +38,7 @@
 #include "safe_map.h"
 #include "thread.h"
 #include "UniquePtr.h"
-#include "utf.h"
+#include "utf-inl.h"
 #include "utils.h"
 #include "well_known_classes.h"
 #include "zip_archive.h"
diff --git a/runtime/dex_file_verifier.cc b/runtime/dex_file_verifier.cc
index 5b076e0..7dc2b31 100644
--- a/runtime/dex_file_verifier.cc
+++ b/runtime/dex_file_verifier.cc
@@ -21,7 +21,7 @@
 #include "leb128.h"
 #include "safe_map.h"
 #include "UniquePtr.h"
-#include "utf.h"
+#include "utf-inl.h"
 #include "utils.h"
 #include "zip_archive.h"
 
diff --git a/runtime/mirror/string.cc b/runtime/mirror/string.cc
index b82683e..9c93f17 100644
--- a/runtime/mirror/string.cc
+++ b/runtime/mirror/string.cc
@@ -24,7 +24,7 @@
 #include "runtime.h"
 #include "sirt_ref.h"
 #include "thread.h"
-#include "utf.h"
+#include "utf-inl.h"
 
 namespace art {
 namespace mirror {
diff --git a/runtime/utf-inl.h b/runtime/utf-inl.h
new file mode 100644
index 0000000..d8c258b
--- /dev/null
+++ b/runtime/utf-inl.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_RUNTIME_UTF_INL_H_
+#define ART_RUNTIME_UTF_INL_H_
+
+#include "utf.h"
+
+namespace art {
+
+inline uint16_t GetUtf16FromUtf8(const char** utf8_data_in) {
+  uint8_t one = *(*utf8_data_in)++;
+  if ((one & 0x80) == 0) {
+    // one-byte encoding
+    return one;
+  }
+  // two- or three-byte encoding
+  uint8_t two = *(*utf8_data_in)++;
+  if ((one & 0x20) == 0) {
+    // two-byte encoding
+    return ((one & 0x1f) << 6) | (two & 0x3f);
+  }
+  // three-byte encoding
+  uint8_t three = *(*utf8_data_in)++;
+  return ((one & 0x0f) << 12) | ((two & 0x3f) << 6) | (three & 0x3f);
+}
+
+inline int CompareModifiedUtf8ToModifiedUtf8AsUtf16CodePointValues(const char* utf8_1,
+                                                                   const char* utf8_2) {
+  for (;;) {
+    if (*utf8_1 == '\0') {
+      return (*utf8_2 == '\0') ? 0 : -1;
+    } else if (*utf8_2 == '\0') {
+      return 1;
+    }
+
+    int c1 = GetUtf16FromUtf8(&utf8_1);
+    int c2 = GetUtf16FromUtf8(&utf8_2);
+
+    if (c1 != c2) {
+      return c1 > c2 ? 1 : -1;
+    }
+  }
+}
+
+}  // namespace art
+
+#endif  // ART_RUNTIME_UTF_INL_H_
diff --git a/runtime/utf.cc b/runtime/utf.cc
index 1add7d9..5ec2ea1 100644
--- a/runtime/utf.cc
+++ b/runtime/utf.cc
@@ -19,6 +19,7 @@
 #include "base/logging.h"
 #include "mirror/array.h"
 #include "mirror/object-inl.h"
+#include "utf-inl.h"
 
 namespace art {
 
@@ -84,41 +85,6 @@
   return hash;
 }
 
-
-uint16_t GetUtf16FromUtf8(const char** utf8_data_in) {
-  uint8_t one = *(*utf8_data_in)++;
-  if ((one & 0x80) == 0) {
-    // one-byte encoding
-    return one;
-  }
-  // two- or three-byte encoding
-  uint8_t two = *(*utf8_data_in)++;
-  if ((one & 0x20) == 0) {
-    // two-byte encoding
-    return ((one & 0x1f) << 6) | (two & 0x3f);
-  }
-  // three-byte encoding
-  uint8_t three = *(*utf8_data_in)++;
-  return ((one & 0x0f) << 12) | ((two & 0x3f) << 6) | (three & 0x3f);
-}
-
-int CompareModifiedUtf8ToModifiedUtf8AsUtf16CodePointValues(const char* utf8_1, const char* utf8_2) {
-  for (;;) {
-    if (*utf8_1 == '\0') {
-      return (*utf8_2 == '\0') ? 0 : -1;
-    } else if (*utf8_2 == '\0') {
-      return 1;
-    }
-
-    int c1 = GetUtf16FromUtf8(&utf8_1);
-    int c2 = GetUtf16FromUtf8(&utf8_2);
-
-    if (c1 != c2) {
-      return c1 > c2 ? 1 : -1;
-    }
-  }
-}
-
 int CompareModifiedUtf8ToUtf16AsCodePointValues(const char* utf8_1, const uint16_t* utf8_2) {
   for (;;) {
     if (*utf8_1 == '\0') {
diff --git a/runtime/utf.h b/runtime/utf.h
index 4c9a1d9..cc5e6d4 100644
--- a/runtime/utf.h
+++ b/runtime/utf.h
@@ -29,9 +29,10 @@
  * See http://en.wikipedia.org/wiki/UTF-8#Modified_UTF-8 for the details.
  */
 namespace art {
+
 namespace mirror {
-template<class T> class PrimitiveArray;
-typedef PrimitiveArray<uint16_t> CharArray;
+  template<class T> class PrimitiveArray;
+  typedef PrimitiveArray<uint16_t> CharArray;
 }  // namespace mirror
 
 /*
diff --git a/runtime/utils.cc b/runtime/utils.cc
index dcfe8a7..28ee58c 100644
--- a/runtime/utils.cc
+++ b/runtime/utils.cc
@@ -34,7 +34,7 @@
 #include "mirror/string.h"
 #include "object_utils.h"
 #include "os.h"
-#include "utf.h"
+#include "utf-inl.h"
 
 #if !defined(HAVE_POSIX_CLOCKS)
 #include <sys/time.h>