PPC/s390: [Interpreter] Collect allocation site feedback in call bytecode handler.

src/builtins/s390/builtins-s390.cc

Index: src/builtins/s390/builtins-s390.cc
diff --git a/src/builtins/s390/builtins-s390.cc b/src/builtins/s390/builtins-s390.cc
index b2d2352c1bd4bd49815cef524f7c74e826e68289..293ff2e4e25757e7bf26ae6fce33b6002dd65838 100644
--- a/src/builtins/s390/builtins-s390.cc
+++ b/src/builtins/s390/builtins-s390.cc
@@ -1191,8 +1191,10 @@ void Builtins::Generate_InterpreterMarkBaselineOnReturn(MacroAssembler* masm) {
   __ Ret();
 }
 
-static void Generate_InterpreterPushArgs(MacroAssembler* masm, Register index,
+static void Generate_InterpreterPushArgs(MacroAssembler* masm,
+                                         Register num_args, Register index,
                                          Register count, Register scratch) {
+  // TODO(mythria): Add a stack check before pushing arguments.
   Label loop;
   __ AddP(index, index, Operand(kPointerSize));  // Bias up for LoadPU
   __ LoadRR(r0, count);
@@ -1220,7 +1222,7 @@ void Builtins::Generate_InterpreterPushArgsAndCallImpl(
   __ AddP(r5, r2, Operand(1));
 
   // Push the arguments.
-  Generate_InterpreterPushArgs(masm, r4, r5, r6);
+  Generate_InterpreterPushArgs(masm, r5, r4, r5, r6);
 
   // Call the target.
   if (function_type == CallableType::kJSFunction) {
@@ -1254,7 +1256,7 @@ void Builtins::Generate_InterpreterPushArgsAndConstructImpl(
   Label skip;
   __ CmpP(r2, Operand::Zero());
   __ beq(&skip);
-  Generate_InterpreterPushArgs(masm, r6, r2, r7);
+  Generate_InterpreterPushArgs(masm, r2, r6, r2, r7);
   __ bind(&skip);
 
   __ AssertUndefinedOrAllocationSite(r4, r7);
@@ -1276,6 +1278,29 @@ void Builtins::Generate_InterpreterPushArgsAndConstructImpl(
   }
 }
 
+// static
+void Builtins::Generate_InterpreterPushArgsAndConstructArray(
+    MacroAssembler* masm) {
+  // ----------- S t a t e -------------
+  // -- r2 : argument count (not including receiver)
+  // -- r3 : target to call verified to be Array function
+  // -- r4 : allocation site feedback if available, undefined otherwise.
+  // -- r5 : address of the first argument
+  // -----------------------------------
+
+  __ AddP(r6, r2, Operand(1));  // Add one for receiver.
+
+  // TODO(mythria): Add a stack check before pushing arguments.
+  // Push the arguments. r6, r8, r3 will be modified.
+  Generate_InterpreterPushArgs(masm, r6, r5, r6, r7);
+
+  // Array constructor expects constructor in r5. It is same as r3 here.
+  __ LoadRR(r5, r3);
+
+  ArrayConstructorStub stub(masm->isolate());
+  __ TailCallStub(&stub);
+}
+
 void Builtins::Generate_InterpreterEnterBytecodeDispatch(MacroAssembler* masm) {
   // Set the return address to the correct point in the interpreter entry
   // trampoline.