X87: [wasm] Int64Lowering of I64ShrU and I64ShrS on ia32.

src/x87/macro-assembler-x87.h

Index: src/x87/macro-assembler-x87.h
diff --git a/src/x87/macro-assembler-x87.h b/src/x87/macro-assembler-x87.h
index e3453144528f08b7e0fb73fa61d33579fc17746b..daf7a6cccc20876360c3178a2202793c8d5c4306 100644
--- a/src/x87/macro-assembler-x87.h
+++ b/src/x87/macro-assembler-x87.h
@@ -360,8 +360,12 @@ class MacroAssembler: public Assembler {
                       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);
+  void ShlPair(Register high, Register low, uint8_t imm8);
+  void ShlPair_cl(Register high, Register low);
+  void ShrPair(Register high, Register low, uint8_t imm8);
+  void ShrPair_cl(Register high, Register src);
+  void SarPair(Register high, Register low, uint8_t imm8);
+  void SarPair_cl(Register high, Register low);
 
   // Expression support
   // Support for constant splitting.