[turbofan] Lower StringEqual and friends in EffectControlLinearizer.

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/handles.h"
 
@@ skipping 79 matching lines @@
   /* Apply and entries */                                                     \
   ASM(Apply)                                                                  \
   ASM(JSEntryTrampoline)                                                      \
   ASM(JSConstructEntryTrampoline)                                             \
   ASM(ResumeGeneratorTrampoline)                                              \
                                                                               \
   /* Stack and interrupt check */                                             \
   ASM(InterruptCheck)                                                         \
   ASM(StackCheck)                                                             \
                                                                               \
+  /* String helpers */                                                        \
+  TFS(StringEqual, BUILTIN, kNoExtraICState, Compare)                         \
+  TFS(StringNotEqual, BUILTIN, kNoExtraICState, Compare)                      \
+  TFS(StringLessThan, BUILTIN, kNoExtraICState, Compare)                      \
+  TFS(StringLessThanOrEqual, BUILTIN, kNoExtraICState, Compare)               \
+  TFS(StringGreaterThan, BUILTIN, kNoExtraICState, Compare)                   \
+  TFS(StringGreaterThanOrEqual, BUILTIN, kNoExtraICState, Compare)            \
+                                                                              \
   /* Interpreter */                                                           \
   ASM(InterpreterEntryTrampoline)                                             \
   ASM(InterpreterMarkBaselineOnReturn)                                        \
   ASM(InterpreterPushArgsAndCall)                                             \
   ASM(InterpreterPushArgsAndCallFunction)                                     \
   ASM(InterpreterPushArgsAndTailCall)                                         \
   ASM(InterpreterPushArgsAndTailCallFunction)                                 \
   ASM(InterpreterPushArgsAndConstruct)                                        \
   ASM(InterpreterPushArgsAndConstructFunction)                                \
   ASM(InterpreterPushArgsAndConstructArray)                                   \
@@ skipping 608 matching lines @@
 
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(Builtins);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BUILTINS_BUILTINS_H_