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

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index 86f769d458e411bed32b42dd4eb0ec0935d096f5..b12cb718ab965321f8fef7fe4a5302e7467c91f1 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -1066,20 +1066,13 @@
   // fp: frame pointer    (restored after C call)
   // sp: stack pointer    (restored as callee's sp after C call)
   // cp: current context  (C callee-saved)
-  //
-  // If argv_in_register():
-  // a2: pointer to the first argument
 
   ProfileEntryHookStub::MaybeCallEntryHook(masm);
 
-  if (!argv_in_register()) {
-    // Compute the argv pointer in a callee-saved register.
-    __ sll(s1, a0, kPointerSizeLog2);
-    __ Addu(s1, sp, s1);
-    __ Subu(s1, s1, kPointerSize);
-  } else {
-    __ mov(s1, a2);
-  }
+  // Compute the argv pointer in a callee-saved register.
+  __ sll(s1, a0, kPointerSizeLog2);
+  __ Addu(s1, sp, s1);
+  __ Subu(s1, s1, kPointerSize);
 
   // Enter the exit frame that transitions from JavaScript to C++.
   FrameScope scope(masm, StackFrame::MANUAL);