Fix a bug in ia32 shift left , implemented more inlined binary operations in x64.

runtime/vm/opt_code_generator_ia32.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_IA32.
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/opt_code_generator.h"
 
 #include "vm/assembler_macros.h"
@@ skipping 625 matching lines @@
     VisitLoadTwo(node->left(), node->right(), EAX, ECX);
     if (!left_info.IsClass(smi_class_) || !right_info.IsClass(smi_class_)) {
       // Check if both Smi.
       __ movl(EBX, EAX);
       __ orl(EBX, ECX);
       __ testl(EBX, Immediate(kSmiTagMask));
       __ j(NOT_ZERO, deopt_blob->label());
       PropagateBackLocalClass(node->left(), smi_class_);
       PropagateBackLocalClass(node->right(), smi_class_);
     }
+    __ cmpl(ECX, Immediate(0));
+    __ j(LESS, deopt_blob->label());
     Immediate count_limit = Immediate(0x1F);
     __ SmiUntag(ECX);
     __ cmpl(ECX, count_limit);
     Label shift_count_ok;
     __ j(LESS_EQUAL, &shift_count_ok, Assembler::kNearJump);
     __ movl(ECX, count_limit);
     __ Bind(&shift_count_ok);
     // Shift amount must be in ECX.
     __ SmiUntag(EAX);  // Value.
     __ sarl(EAX, ECX);
@@ skipping 2245 matching lines @@
     }
   }
   // TODO(srdjan): Implement unary kSUB (negate) Mint.
   CodeGenerator::VisitUnaryOpNode(node);
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32