Fix some style issues in the ARM code....

src/arm/assembler-arm.h

Index: src/arm/assembler-arm.h
===================================================================
--- src/arm/assembler-arm.h	(revision 3292)
+++ src/arm/assembler-arm.h	(working copy)
@@ -435,16 +435,32 @@
   static bool IsSupported(Feature f) {
     if (f == VFP3 && !FLAG_enable_vfp3) return false;
 
-    return (supported_ & (static_cast<uint64_t>(1) << f)) != 0;
+    return (supported_ & (1u << f)) != 0;
   }
   // Check whether a feature is currently enabled.
   static bool IsEnabled(Feature f) {
-    return (enabled_ & (static_cast<uint64_t>(1) << f)) != 0;
+    return (enabled_ & (1u << f)) != 0;
   }
+  class Scope BASE_EMBEDDED {

[Mads Ager (chromium), 2009/11/12 13:25:24]

Could you add the

// Enable a specified feature within a scope.

comment.

[Erik Corry, 2009/11/12 13:42:37]

Done.

+#ifdef DEBUG
+   public:
+    explicit Scope(Feature f) {
+      ASSERT(CpuFeatures::IsSupported(f));
+      old_enabled_ = CpuFeatures::enabled_;
+      CpuFeatures::enabled_ |= 1u << f;
+    }
+    ~Scope() { CpuFeatures::enabled_ = old_enabled_; }
+   private:
+    unsigned old_enabled_;
+#else
+   public:
+    explicit Scope(Feature f) {}
+#endif
+  };
 
  private:
-  static uint64_t supported_;
-  static uint64_t enabled_;
+  static unsigned supported_;
+  static unsigned enabled_;
 };