Fast elements conversions in crankshaft using generated code.

src/arm/ic-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 1233 matching lines @@
 }
 
 
 void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- r2     : receiver
   //  -- lr     : return address
   // -----------------------------------
   // Must return the modified receiver in r0.
 
-  __ push(r2);
-  __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1);
+  FastElementsConversionStub::GenerateSmiOnlyToDouble(
+      masm, FastElementsConversionStub::TRANSITION_ONLY);
 }
 
 
 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject(
     MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- r2     : receiver
   //  -- lr     : return address
   // -----------------------------------
   // Must return the modified receiver in r0.
 
-  __ push(r2);
-  __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1);
+  FastElementsConversionStub::GenerateDoubleToObject(
+      masm, FastElementsConversionStub::TRANSITION_ONLY);
 }
 
 
 void KeyedStoreIC::GenerateRuntimeSetProperty(MacroAssembler* masm,
                                               StrictModeFlag strict_mode) {
   // ---------- S t a t e --------------
   //  -- r0     : value
   //  -- r1     : key
   //  -- r2     : receiver
   //  -- lr     : return address
@@ skipping 410 matching lines @@
     Register reg = Assembler::GetRn(instr_at_patch);
     patcher.masm()->tst(reg, Operand(kSmiTagMask));
     patcher.EmitCondition(eq);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM