Revert of [Interpreter] Add CallRuntime support to the interpreter.

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 2d7ace58dab57775e343909e41400901341e9a0a..f5f8bd29393d8b964a2f43d20bd5887448e5682c 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -1824,11 +1824,9 @@
 class CEntryStub : public PlatformCodeStub {
  public:
   CEntryStub(Isolate* isolate, int result_size,
-             SaveFPRegsMode save_doubles = kDontSaveFPRegs,
-             ArgvMode argv_mode = kArgvOnStack)
+             SaveFPRegsMode save_doubles = kDontSaveFPRegs)
       : PlatformCodeStub(isolate) {
-    minor_key_ = SaveDoublesBits::encode(save_doubles == kSaveFPRegs) |
-                 ArgvMode::encode(argv_mode == kArgvInRegister);
+    minor_key_ = SaveDoublesBits::encode(save_doubles == kSaveFPRegs);
     DCHECK(result_size == 1 || result_size == 2);
 #if _WIN64 || V8_TARGET_ARCH_PPC
     minor_key_ = ResultSizeBits::update(minor_key_, result_size);
@@ -1843,7 +1841,6 @@
 
  private:
   bool save_doubles() const { return SaveDoublesBits::decode(minor_key_); }
-  bool argv_in_register() const { return ArgvMode::decode(minor_key_); }
 #if _WIN64 || V8_TARGET_ARCH_PPC
   int result_size() const { return ResultSizeBits::decode(minor_key_); }
 #endif  // _WIN64
@@ -1851,8 +1848,7 @@
   bool NeedsImmovableCode() override;
 
   class SaveDoublesBits : public BitField<bool, 0, 1> {};
-  class ArgvMode : public BitField<bool, 1, 1> {};
-  class ResultSizeBits : public BitField<int, 2, 3> {};
+  class ResultSizeBits : public BitField<int, 1, 3> {};
 
   DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR();
   DEFINE_PLATFORM_CODE_STUB(CEntry, PlatformCodeStub);