[wasm] Int64Lowering of I64Shl on ia32.

src/ia32/assembler-ia32.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 1057 matching lines @@
   emit_operand(edi, dst);
 }
 
 
 void Assembler::sbb(Register dst, const Operand& src) {
   EnsureSpace ensure_space(this);
   EMIT(0x1B);
   emit_operand(dst, src);
 }
 
+void Assembler::shld(Register dst, Register src, uint8_t shift) {
+  DCHECK(is_uint5(shift));
+  EnsureSpace ensure_space(this);
+  EMIT(0x0F);
+  EMIT(0xA4);
+  emit_operand(src, Operand(dst));
+  EMIT(shift);
+}
 
-void Assembler::shld(Register dst, const Operand& src) {
+void Assembler::shld_cl(Register dst, Register src) {
   EnsureSpace ensure_space(this);
   EMIT(0x0F);
   EMIT(0xA5);
-  emit_operand(dst, src);
+  emit_operand(src, Operand(dst));
 }
 
 
 void Assembler::shl(const Operand& dst, uint8_t imm8) {
   EnsureSpace ensure_space(this);
   DCHECK(is_uint5(imm8));  // illegal shift count
   if (imm8 == 1) {
     EMIT(0xD1);
     emit_operand(esp, dst);
   } else {
@@ skipping 1860 matching lines @@
     fflush(coverage_log);
   }
 }
 
 #endif
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32