[stubs] Port CreateWeakCellStub to turbofan

src/mips64/code-stubs-mips64.cc

Index: src/mips64/code-stubs-mips64.cc
diff --git a/src/mips64/code-stubs-mips64.cc b/src/mips64/code-stubs-mips64.cc
index f33638d96043fad9196c41b01ac21db3d8642dd2..366b4ee0de263987565e0d6741ec6a5b1bfaaec4 100644
--- a/src/mips64/code-stubs-mips64.cc
+++ b/src/mips64/code-stubs-mips64.cc
@@ -1767,8 +1767,8 @@ static void CallStubInRecordCallTarget(MacroAssembler* masm, CodeStub* stub) {
   const RegList kSavedRegs = 1 << 4 |  // a0
                              1 << 5 |  // a1
                              1 << 6 |  // a2
-                             1 << 7;   // a3
-
+                             1 << 7 |  // a3
+                             1 << cp.code();
 
   // Number-of-arguments register must be smi-tagged to call out.
   __ SmiTag(a0);
@@ -2118,9 +2118,9 @@ void CallICStub::Generate(MacroAssembler* masm) {
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     CreateWeakCellStub create_stub(masm->isolate());
-    __ Push(a1);
+    __ Push(cp, a1);
     __ CallStub(&create_stub);
-    __ Pop(a1);
+    __ Pop(cp, a1);
   }
 
   __ Branch(&call_function);