Rename CountSetBits32 to CountPopulation32 for consistency.

src/base/bits.h

 // Copyright 2014 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.
 
 #ifndef V8_BASE_BITS_H_
 #define V8_BASE_BITS_H_
 
 #include "include/v8stdint.h"
 #if V8_CC_MSVC
 #include <intrin.h>
 #endif
 #if V8_OS_WIN32
 #include "src/base/win32-headers.h"
 #endif
 
 namespace v8 {
 namespace base {
 namespace bits {
 
-// CountSetBits32(value) returns the number of bits set in |value|.
-inline uint32_t CountSetBits32(uint32_t value) {
+// CountPopulation32(value) returns the number of bits set in |value|.
+inline uint32_t CountPopulation32(uint32_t value) {
 #if V8_HAS_BUILTIN_POPCOUNT
   return __builtin_popcount(value);
 #else
   value = ((value >> 1) & 0x55555555) + (value & 0x55555555);
   value = ((value >> 2) & 0x33333333) + (value & 0x33333333);
   value = ((value >> 4) & 0x0f0f0f0f) + (value & 0x0f0f0f0f);
   value = ((value >> 8) & 0x00ff00ff) + (value & 0x00ff00ff);
   value = ((value >> 16) & 0x0000ffff) + (value & 0x0000ffff);
   return value;
 #endif
 }
 
 
 // CountLeadingZeros32(value) returns the number of zero bits following the most
 // significant 1 bit in |value| if |value| is non-zero, otherwise it returns 32.
 inline uint32_t CountLeadingZeros32(uint32_t value) {
 #if V8_HAS_BUILTIN_CLZ
   return value ? __builtin_clz(value) : 32;
 #elif V8_CC_MSVC
   unsigned long result;  // NOLINT(runtime/int)
   if (!_BitScanReverse(&result, value)) return 32;
   return static_cast<uint32_t>(31 - result);
 #else
   value = value | (value >> 1);
   value = value | (value >> 2);
   value = value | (value >> 4);
   value = value | (value >> 8);
   value = value | (value >> 16);
-  return CountSetBits32(~value);
+  return CountPopulation32(~value);
 #endif
 }
 
 
 // CountTrailingZeros32(value) returns the number of zero bits preceding the
 // least significant 1 bit in |value| if |value| is non-zero, otherwise it
 // returns 32.
 inline uint32_t CountTrailingZeros32(uint32_t value) {
 #if V8_HAS_BUILTIN_CTZ
   return value ? __builtin_ctz(value) : 32;
@@ skipping 20 matching lines @@
 inline uint64_t RotateRight64(uint64_t value, uint64_t shift) {
   if (shift == 0) return value;
   return (value >> shift) | (value << (64 - shift));
 }
 
 }  // namespace bits
 }  // namespace base
 }  // namespace v8
 
 #endif  // V8_BASE_BITS_H_