Merged: This is a speculative chain of reverts to improve a Chrome perf regression. See crbug.co ...

src/builtins/builtins.h

 // Copyright 2011 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_BUILTINS_BUILTINS_H_
 #define V8_BUILTINS_BUILTINS_H_
 
 #include "src/base/flags.h"
 #include "src/globals.h"
 
@@ skipping 715 matching lines @@
   TFS(RegExpReplace, BUILTIN, kNoExtraICState, RegExpReplace, 1)               \
   TFJ(RegExpPrototypeReplace, 2)                                               \
                                                                                \
   TFS(RegExpSplit, BUILTIN, kNoExtraICState, RegExpSplit, 1)                   \
   TFJ(RegExpPrototypeSplit, 2)                                                 \
                                                                                \
   /* SharedArrayBuffer */                                                      \
   CPP(SharedArrayBufferPrototypeGetByteLength)                                 \
   TFJ(AtomicsLoad, 2)                                                          \
   TFJ(AtomicsStore, 3)                                                         \
-  CPP(AtomicsCompareExchange)                                                  \
-  CPP(AtomicsAdd)                                                              \
-  CPP(AtomicsSub)                                                              \
-  CPP(AtomicsAnd)                                                              \
-  CPP(AtomicsOr)                                                               \
-  CPP(AtomicsXor)                                                              \
-  CPP(AtomicsExchange)                                                         \
-  CPP(AtomicsIsLockFree)                                                       \
-  CPP(AtomicsWait)                                                             \
-  CPP(AtomicsWake)                                                             \
                                                                                \
   /* String */                                                                 \
   ASM(StringConstructor)                                                       \
   ASM(StringConstructor_ConstructStub)                                         \
   CPP(StringFromCodePoint)                                                     \
   /* ES6 section 21.1.2.1 String.fromCharCode ( ...codeUnits ) */              \
   TFJ(StringFromCharCode, SharedFunctionInfo::kDontAdaptArgumentsSentinel)     \
   /* ES6 section 21.1.3.1 String.prototype.charAt ( pos ) */                   \
   TFJ(StringPrototypeCharAt, 1)                                                \
   /* ES6 section 21.1.3.2 String.prototype.charCodeAt ( pos ) */               \
@@ skipping 249 matching lines @@
 
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(Builtins);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BUILTINS_BUILTINS_H_