Version 3.20.11.1

src/x64/ic-x64.cc

Index: src/x64/ic-x64.cc
diff --git a/src/x64/ic-x64.cc b/src/x64/ic-x64.cc
index 6e238c76ecebaf7e5800e54153d57b4587dbd434..f26b234fed68c324b451c934cb50d568588e9aba 100644
--- a/src/x64/ic-x64.cc
+++ b/src/x64/ic-x64.cc
@@ -1610,6 +1610,55 @@ void KeyedStoreIC::GenerateMiss(MacroAssembler* masm, ICMissMode miss_mode) {
 }
 
 
+void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) {
+  // ----------- S t a t e -------------
+  //  -- rbx    : target map
+  //  -- rdx    : receiver
+  //  -- rsp[0] : return address
+  // -----------------------------------
+  // Must return the modified receiver in eax.
+  if (!FLAG_trace_elements_transitions) {
+    Label fail;
+    AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS,
+                                                      FAST_DOUBLE_ELEMENTS);
+    ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail);
+    __ movq(rax, rdx);
+    __ Ret();
+    __ bind(&fail);
+  }
+
+  __ pop(rbx);
+  __ push(rdx);
+  __ push(rbx);  // return address
+  __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1);
+}
+
+
+void KeyedStoreIC::GenerateTransitionElementsDoubleToObject(
+    MacroAssembler* masm) {
+  // ----------- S t a t e -------------
+  //  -- rbx    : target map
+  //  -- rdx    : receiver
+  //  -- rsp[0] : return address
+  // -----------------------------------
+  // Must return the modified receiver in eax.
+  if (!FLAG_trace_elements_transitions) {
+    Label fail;
+    AllocationSiteMode mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS,
+                                                      FAST_ELEMENTS);
+    ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail);
+    __ movq(rax, rdx);
+    __ Ret();
+    __ bind(&fail);
+  }
+
+  __ pop(rbx);
+  __ push(rdx);
+  __ push(rbx);  // return address
+  __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1);
+}
+
+
 #undef __