Fix implementation of bit count functions.

src/hydrogen-instructions.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
+#include "src/base/bits.h"
 #include "src/double.h"
 #include "src/factory.h"
 #include "src/hydrogen-infer-representation.h"
 #include "src/property-details-inl.h"
 
 #if V8_TARGET_ARCH_IA32
 #include "src/ia32/lithium-ia32.h"  // NOLINT
 #elif V8_TARGET_ARCH_X64
 #include "src/x64/lithium-x64.h"  // NOLINT
 #elif V8_TARGET_ARCH_ARM64
@@ skipping 4155 matching lines @@
         // Doubles are represented as Significant * 2 ^ Exponent. If the
         // Exponent is not negative, the double value is already an integer.
         if (Double(d).Exponent() >= 0) return H_CONSTANT_DOUBLE(d);
         return H_CONSTANT_DOUBLE(Floor(d + 0.5));
       case kMathFround:
         return H_CONSTANT_DOUBLE(static_cast<double>(static_cast<float>(d)));
       case kMathFloor:
         return H_CONSTANT_DOUBLE(Floor(d));
       case kMathClz32: {
         uint32_t i = DoubleToUint32(d);
-        return H_CONSTANT_INT(
-            (i == 0) ? 32 : CompilerIntrinsics::CountLeadingZeros(i));
+        return H_CONSTANT_INT(base::bits::CountLeadingZeros32(i));
       }
       default:
         UNREACHABLE();
         break;
     }
   } while (false);
   return new(zone) HUnaryMathOperation(context, value, op);
 }
 
 
@@ skipping 588 matching lines @@
       break;
     case HObjectAccess::kExternalMemory:
       os << "[external-memory]";
       break;
   }
 
   return os << "@" << access.offset();
 }
 
 } }  // namespace v8::internal