Version 3.20.15

src/ia32/full-codegen-ia32.cc

 // Copyright 2012 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 727 matching lines @@
 }
 
 
 void FullCodeGenerator::EmitDebugCheckDeclarationContext(Variable* variable) {
   // The variable in the declaration always resides in the current context.
   ASSERT_EQ(0, scope()->ContextChainLength(variable->scope()));
   if (generate_debug_code_) {
     // Check that we're not inside a with or catch context.
     __ mov(ebx, FieldOperand(esi, HeapObject::kMapOffset));
     __ cmp(ebx, isolate()->factory()->with_context_map());
-    __ Check(not_equal, kDeclarationInWithContext);
+    __ Check(not_equal, "Declaration in with context.");
     __ cmp(ebx, isolate()->factory()->catch_context_map());
-    __ Check(not_equal, kDeclarationInCatchContext);
+    __ Check(not_equal, "Declaration in catch context.");
   }
 }
 
 
 void FullCodeGenerator::VisitVariableDeclaration(
     VariableDeclaration* declaration) {
   // If it was not possible to allocate the variable at compile time, we
   // need to "declare" it at runtime to make sure it actually exists in the
   // local context.
   VariableProxy* proxy = declaration->proxy();
@@ skipping 1401 matching lines @@
   __ sub(edx, Immediate(1));
   __ j(carry, &call_resume);
   __ push(ecx);
   __ jmp(&push_operand_holes);
   __ bind(&call_resume);
   __ push(ebx);
   __ push(result_register());
   __ Push(Smi::FromInt(resume_mode));
   __ CallRuntime(Runtime::kResumeJSGeneratorObject, 3);
   // Not reached: the runtime call returns elsewhere.
-  __ Abort(kGeneratorFailedToResume);
+  __ Abort("Generator failed to resume.");
 
   // Throw error if we attempt to operate on a running generator.
   __ bind(&wrong_state);
   __ push(ebx);
   __ CallRuntime(Runtime::kThrowGeneratorStateError, 1);
 
   __ bind(&done);
   context()->Plug(result_register());
 }
 
@@ skipping 278 matching lines @@
 
   } else if (!var->is_const_mode() || op == Token::INIT_CONST_HARMONY) {
     // Assignment to var or initializing assignment to let/const
     // in harmony mode.
     if (var->IsStackAllocated() || var->IsContextSlot()) {
       MemOperand location = VarOperand(var, ecx);
       if (generate_debug_code_ && op == Token::INIT_LET) {
         // Check for an uninitialized let binding.
         __ mov(edx, location);
         __ cmp(edx, isolate()->factory()->the_hole_value());
-        __ Check(equal, kLetBindingReInitialization);
+        __ Check(equal, "Let binding re-initialization.");
       }
       // Perform the assignment.
       __ mov(location, eax);
       if (var->IsContextSlot()) {
         __ mov(edx, eax);
         int offset = Context::SlotOffset(var->index());
         __ RecordWriteContextSlot(ecx, offset, edx, ebx, kDontSaveFPRegs);
       }
     } else {
       ASSERT(var->IsLookupSlot());
@@ skipping 941 matching lines @@
   __ bind(&done);
   context()->Plug(result);
 }
 
 
 void FullCodeGenerator::EmitSeqStringSetCharCheck(Register string,
                                                   Register index,
                                                   Register value,
                                                   uint32_t encoding_mask) {
   __ test(index, Immediate(kSmiTagMask));
-  __ Check(zero, kNonSmiIndex);
+  __ Check(zero, "Non-smi index");
   __ test(value, Immediate(kSmiTagMask));
-  __ Check(zero, kNonSmiValue);
+  __ Check(zero, "Non-smi value");
 
   __ cmp(index, FieldOperand(string, String::kLengthOffset));
-  __ Check(less, kIndexIsTooLarge);
+  __ Check(less, "Index is too large");
 
   __ cmp(index, Immediate(Smi::FromInt(0)));
-  __ Check(greater_equal, kIndexIsNegative);
+  __ Check(greater_equal, "Index is negative");
 
   __ push(value);
   __ mov(value, FieldOperand(string, HeapObject::kMapOffset));
   __ movzx_b(value, FieldOperand(value, Map::kInstanceTypeOffset));
 
   __ and_(value, Immediate(kStringRepresentationMask | kStringEncodingMask));
   __ cmp(value, Immediate(encoding_mask));
-  __ Check(equal, kUnexpectedStringType);
+  __ Check(equal, "Unexpected string type");
   __ pop(value);
 }
 
 
 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT_EQ(3, args->length());
 
   Register string = eax;
   Register index = ebx;
@@ skipping 351 matching lines @@
 void FullCodeGenerator::EmitGetFromCache(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT_EQ(2, args->length());
 
   ASSERT_NE(NULL, args->at(0)->AsLiteral());
   int cache_id = Smi::cast(*(args->at(0)->AsLiteral()->value()))->value();
 
   Handle<FixedArray> jsfunction_result_caches(
       isolate()->native_context()->jsfunction_result_caches());
   if (jsfunction_result_caches->length() <= cache_id) {
-    __ Abort(kAttemptToUseUndefinedCache);
+    __ Abort("Attempt to use undefined cache.");
     __ mov(eax, isolate()->factory()->undefined_value());
     context()->Plug(eax);
     return;
   }
 
   VisitForAccumulatorValue(args->at(1));
 
   Register key = eax;
   Register cache = ebx;
   Register tmp = ecx;
@@ skipping 161 matching lines @@
 
   // Check that all array elements are sequential ASCII strings, and
   // accumulate the sum of their lengths, as a smi-encoded value.
   __ Set(index, Immediate(0));
   __ Set(string_length, Immediate(0));
   // Loop condition: while (index < length).
   // Live loop registers: index, array_length, string,
   //                      scratch, string_length, elements.
   if (generate_debug_code_) {
     __ cmp(index, array_length);
-    __ Assert(less, kNoEmptyArraysHereInEmitFastAsciiArrayJoin);
+    __ Assert(less, "No empty arrays here in EmitFastAsciiArrayJoin");
   }
   __ bind(&loop);
   __ mov(string, FieldOperand(elements,
                               index,
                               times_pointer_size,
                               FixedArray::kHeaderSize));
   __ JumpIfSmi(string, &bailout);
   __ mov(scratch, FieldOperand(string, HeapObject::kMapOffset));
   __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset));
   __ and_(scratch, Immediate(
@@ skipping 326 matching lines @@
     case Token::TYPEOF: {
       Comment cmnt(masm_, "[ UnaryOperation (TYPEOF)");
       { StackValueContext context(this);
         VisitForTypeofValue(expr->expression());
       }
       __ CallRuntime(Runtime::kTypeof, 1);
       context()->Plug(eax);
       break;
     }
 
+    case Token::SUB:
+      EmitUnaryOperation(expr, "[ UnaryOperation (SUB)");
+      break;
+
+    case Token::BIT_NOT:
+      EmitUnaryOperation(expr, "[ UnaryOperation (BIT_NOT)");
+      break;
+
     default:
       UNREACHABLE();
   }
 }
 
 
+void FullCodeGenerator::EmitUnaryOperation(UnaryOperation* expr,
+                                           const char* comment) {
+  Comment cmt(masm_, comment);
+  UnaryOpStub stub(expr->op());
+  // UnaryOpStub expects the argument to be in the
+  // accumulator register eax.
+  VisitForAccumulatorValue(expr->expression());
+  SetSourcePosition(expr->position());
+  CallIC(stub.GetCode(isolate()), RelocInfo::CODE_TARGET,
+         expr->UnaryOperationFeedbackId());
+  context()->Plug(eax);
+}
+
+
 void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
   Comment cmnt(masm_, "[ CountOperation");
   SetSourcePosition(expr->position());
 
   // Invalid left-hand sides are rewritten to have a 'throw ReferenceError'
   // as the left-hand side.
   if (!expr->expression()->IsValidLeftHandSide()) {
     VisitForEffect(expr->expression());
     return;
   }
@@ skipping 528 matching lines @@
   *stack_depth = 0;
   *context_length = 0;
   return previous_;
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32