Extends testb and cmpb/cmpw instruction support in the ia32 assembler.

src/full-codegen/ia32/full-codegen-ia32.cc

Index: src/full-codegen/ia32/full-codegen-ia32.cc
diff --git a/src/full-codegen/ia32/full-codegen-ia32.cc b/src/full-codegen/ia32/full-codegen-ia32.cc
index d1ab3509ba4226802032fd82f75c8b2386ab5eff..a1da615178ecb87ce8b5af32963428e89eb3c461 100644
--- a/src/full-codegen/ia32/full-codegen-ia32.cc
+++ b/src/full-codegen/ia32/full-codegen-ia32.cc
@@ -3687,7 +3687,7 @@ void FullCodeGenerator::EmitLiteralCompareTypeof(Expression* expr,
     // Check for undetectable objects => true.
     __ mov(edx, FieldOperand(eax, HeapObject::kMapOffset));
     __ test_b(FieldOperand(edx, Map::kBitFieldOffset),
-              1 << Map::kIsUndetectable);
+              Immediate(1 << Map::kIsUndetectable));
     Split(not_zero, if_true, if_false, fall_through);
   } else if (String::Equals(check, factory->function_string())) {
     __ JumpIfSmi(eax, if_false);
@@ -3706,7 +3706,7 @@ void FullCodeGenerator::EmitLiteralCompareTypeof(Expression* expr,
     __ j(below, if_false);
     // Check for callable or undetectable objects => false.
     __ test_b(FieldOperand(edx, Map::kBitFieldOffset),
-              (1 << Map::kIsCallable) | (1 << Map::kIsUndetectable));
+              Immediate((1 << Map::kIsCallable) | (1 << Map::kIsUndetectable)));
     Split(zero, if_true, if_false, fall_through);
 // clang-format off
 #define SIMD128_TYPE(TYPE, Type, type, lane_count, lane_type)   \
@@ -3820,7 +3820,7 @@ void FullCodeGenerator::EmitLiteralCompareNil(CompareOperation* expr,
     __ JumpIfSmi(eax, if_false);
     __ mov(eax, FieldOperand(eax, HeapObject::kMapOffset));
     __ test_b(FieldOperand(eax, Map::kBitFieldOffset),
-              1 << Map::kIsUndetectable);
+              Immediate(1 << Map::kIsUndetectable));
     Split(not_zero, if_true, if_false, fall_through);
   }
   context()->Plug(if_true, if_false);