X87: [wasm] Int64Lowering of I64Shl on ia32.

src/x87/macro-assembler-x87.h

 // 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.
 
 #ifndef V8_X87_MACRO_ASSEMBLER_X87_H_
 #define V8_X87_MACRO_ASSEMBLER_X87_H_
 
 #include "src/assembler.h"
 #include "src/bailout-reason.h"
 #include "src/frames.h"
@@ skipping 326 matching lines @@
 
   void InvokeFunction(Register function, const ParameterCount& expected,
                       const ParameterCount& actual, InvokeFlag flag,
                       const CallWrapper& call_wrapper);
 
   void InvokeFunction(Handle<JSFunction> function,
                       const ParameterCount& expected,
                       const ParameterCount& actual, InvokeFlag flag,
                       const CallWrapper& call_wrapper);
 
+  void PairShl(Register high, Register low, uint8_t imm8);
+  void PairShl_cl(Register high, Register low);
 
   // Expression support
   // Support for constant splitting.
   bool IsUnsafeImmediate(const Immediate& x);
   void SafeMove(Register dst, const Immediate& x);
   void SafePush(const Immediate& x);
 
   // Compare object type for heap object.
   // Incoming register is heap_object and outgoing register is map.
   void CmpObjectType(Register heap_object, InstanceType type, Register map);
@@ skipping 649 matching lines @@
   }                                                                       \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_X87_MACRO_ASSEMBLER_X87_H_