X87: [wasm] Int64Lowering of I64Shl on ia32.

src/x87/assembler-x87.cc

Index: src/x87/assembler-x87.cc
diff --git a/src/x87/assembler-x87.cc b/src/x87/assembler-x87.cc
index 66fda5787f99b12a5a15a2f7c9c431659bcc4b3d..506bad588a259b42a85b4d7589912f899304cad5 100644
--- a/src/x87/assembler-x87.cc
+++ b/src/x87/assembler-x87.cc
@@ -946,12 +946,20 @@ void Assembler::sbb(Register dst, const Operand& src) {
   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));
 }