Make binary op stubs in both r0-r1 and r1-r0 versions to reduce...

src/arm/full-codegen-arm.cc

 // Copyright 2009 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 995 matching lines @@
 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) {
   SetSourcePosition(prop->position());
   Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize));
   __ Call(ic, RelocInfo::CODE_TARGET);
 }
 
 
 void FullCodeGenerator::EmitBinaryOp(Token::Value op,
                                      Expression::Context context) {
   __ pop(r1);
-  GenericBinaryOpStub stub(op, NO_OVERWRITE);
+  GenericBinaryOpStub stub(op, NO_OVERWRITE, r1, r0);
   __ CallStub(&stub);
   Apply(context, r0);
 }
 
 
 void FullCodeGenerator::EmitVariableAssignment(Variable* var,
                                                Expression::Context context) {
   // Three main cases: global variables, lookup slots, and all other
   // types of slots.  Left-hand-side parameters that rewrite to
   // explicit property accesses do not reach here.
@@ skipping 575 matching lines @@
     // the first smi check before calling ToNumber.
     __ tst(r0, Operand(kSmiTagMask));
     __ b(eq, &done);
     __ bind(&stub_call);
     // Call stub. Undo operation first.
     __ sub(r0, r0, Operand(r1));
   }
   __ mov(r1, Operand(expr->op() == Token::INC
                      ? Smi::FromInt(1)
                      : Smi::FromInt(-1)));
-  GenericBinaryOpStub stub(Token::ADD, NO_OVERWRITE);
+  GenericBinaryOpStub stub(Token::ADD, NO_OVERWRITE, r1, r0);
   __ CallStub(&stub);
   __ bind(&done);
 
   // Store the value returned in r0.
   switch (assign_type) {
     case VARIABLE:
       if (expr->is_postfix()) {
         EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(),
                                Expression::kEffect);
         // For all contexts except kEffect: We have the result on
@@ skipping 234 matching lines @@
   __ pop(result_register());
   ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize);
   __ mov(r1, Operand(r1, ASR, 1));  // Un-smi-tag value.
   __ add(pc, r1, Operand(masm_->CodeObject()));
 }
 
 
 #undef __
 
 } }  // namespace v8::internal