Introduce ToNumber stub and use it in non-optimized code for to-number conver...

src/arm/full-codegen-arm.cc

 // Copyright 2011 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 3039 matching lines @@
       context()->Plug(r0);
       break;
     }
 
     case Token::ADD: {
       Comment cmt(masm_, "[ UnaryOperation (ADD)");
       VisitForAccumulatorValue(expr->expression());
       Label no_conversion;
       __ tst(result_register(), Operand(kSmiTagMask));
       __ b(eq, &no_conversion);
-      __ push(r0);
-      __ InvokeBuiltin(Builtins::TO_NUMBER, CALL_JS);
+      ToNumberStub convert_stub;
+      __ CallStub(&convert_stub);
       __ bind(&no_conversion);
       context()->Plug(result_register());
       break;
     }
 
     case Token::SUB: {
       Comment cmt(masm_, "[ UnaryOperation (SUB)");
       bool can_overwrite = expr->expression()->ResultOverwriteAllowed();
       UnaryOverwriteMode overwrite =
           can_overwrite ? UNARY_OVERWRITE : UNARY_NO_OVERWRITE;
@@ skipping 98 matching lines @@
     }
   }
 
   // We need a second deoptimization point after loading the value
   // in case evaluating the property load my have a side effect.
   PrepareForBailout(expr->increment(), TOS_REG);
 
   // Call ToNumber only if operand is not a smi.
   Label no_conversion;
   __ JumpIfSmi(r0, &no_conversion);
-  __ push(r0);
-  __ InvokeBuiltin(Builtins::TO_NUMBER, CALL_JS);
+  ToNumberStub convert_stub;
+  __ CallStub(&convert_stub);
   __ bind(&no_conversion);
 
   // Save result for postfix expressions.
   if (expr->is_postfix()) {
     if (!context()->IsEffect()) {
       // Save the result on the stack. If we have a named or keyed property
       // we store the result under the receiver that is currently on top
       // of the stack.
       switch (assign_type) {
         case VARIABLE:
@@ skipping 426 matching lines @@
   __ mov(r1, Operand(r1, ASR, 1));  // Un-smi-tag value.
   __ add(pc, r1, Operand(masm_->CodeObject()));
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM