Revert 13105: "Enable stub generation using Hydrogen/Lithium."

src/x64/builtins-x64.cc

Index: src/x64/builtins-x64.cc
diff --git a/src/x64/builtins-x64.cc b/src/x64/builtins-x64.cc
index e156dfd2eb76d4999ca11c7ce50556a5739b9526..ed0ec684fc138fa63569d8519b1736a0810cb5c4 100644
--- a/src/x64/builtins-x64.cc
+++ b/src/x64/builtins-x64.cc
@@ -646,25 +646,6 @@ CODE_AGE_LIST(DEFINE_CODE_AGE_BUILTIN_GENERATOR)
 #undef DEFINE_CODE_AGE_BUILTIN_GENERATOR
 
 
-void Builtins::Generate_NotifyICMiss(MacroAssembler* masm) {
-  // Enter an internal frame.
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-
-    // Preserve registers across notification, this is important for compiled
-    // stubs that tail call the runtime on deopts passing their parameters in
-    // registers.
-    __ Pushad();
-    __ CallRuntime(Runtime::kNotifyICMiss, 0);
-    __ Popad();
-    // Tear down internal frame.
-  }
-
-  __ pop(MemOperand(rsp, 0));  // Ignore state offset
-  __ ret(0);  // Return to IC Miss stub, continuation still on stack.
-}
-
-
 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm,
                                              Deoptimizer::BailoutType type) {
   // Enter an internal frame.
@@ -679,17 +660,17 @@ static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm,
   }
 
   // Get the full codegen state from the stack and untag it.
-  __ SmiToInteger32(r10, Operand(rsp, 1 * kPointerSize));
+  __ SmiToInteger32(rcx, Operand(rsp, 1 * kPointerSize));
 
   // Switch on the state.
   Label not_no_registers, not_tos_rax;
-  __ cmpq(r10, Immediate(FullCodeGenerator::NO_REGISTERS));
+  __ cmpq(rcx, Immediate(FullCodeGenerator::NO_REGISTERS));
   __ j(not_equal, &not_no_registers, Label::kNear);
   __ ret(1 * kPointerSize);  // Remove state.
 
   __ bind(&not_no_registers);
   __ movq(rax, Operand(rsp, 2 * kPointerSize));
-  __ cmpq(r10, Immediate(FullCodeGenerator::TOS_REG));
+  __ cmpq(rcx, Immediate(FullCodeGenerator::TOS_REG));
   __ j(not_equal, &not_tos_rax, Label::kNear);
   __ ret(2 * kPointerSize);  // Remove state, rax.