Delete Runtime_NotifyOSR.

src/mips/builtins-mips.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 906 matching lines @@
 void Builtins::Generate_NotifySoftDeoptimized(MacroAssembler* masm) {
   Generate_NotifyDeoptimizedHelper(masm, Deoptimizer::SOFT);
 }
 
 
 void Builtins::Generate_NotifyLazyDeoptimized(MacroAssembler* masm) {
   Generate_NotifyDeoptimizedHelper(masm, Deoptimizer::LAZY);
 }
 
 
-void Builtins::Generate_NotifyOSR(MacroAssembler* masm) {
-  // For now, we are relying on the fact that Runtime::NotifyOSR
-  // doesn't do any garbage collection which allows us to save/restore
-  // the registers without worrying about which of them contain
-  // pointers. This seems a bit fragile.
-  RegList saved_regs =
-      (kJSCallerSaved | kCalleeSaved | ra.bit() | fp.bit()) & ~sp.bit();
-  __ MultiPush(saved_regs);
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ CallRuntime(Runtime::kNotifyOSR, 0);
-  }
-  __ MultiPop(saved_regs);
-  __ Ret();
-}
-
-
 void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
   // Lookup the function in the JavaScript frame.
   __ lw(a0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     // Lookup and calculate pc offset.
     __ lw(a1, MemOperand(fp, StandardFrameConstants::kCallerPCOffset));
     __ lw(a2, FieldMemOperand(a0, JSFunction::kSharedFunctionInfoOffset));
     __ lw(a2, FieldMemOperand(a2, SharedFunctionInfo::kCodeOffset));
     __ Subu(a1, a1, Operand(Code::kHeaderSize - kHeapObjectTag));
@@ skipping 520 matching lines @@
   __ bind(&dont_adapt_arguments);
   __ Jump(a3);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS