PPC/s390: [ignition] Add call bytecodes for undefined receiver

src/builtins/s390/builtins-s390.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_S390
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 1083 matching lines @@
   // here which will cause scratch to become negative.
   __ SubP(scratch, sp, scratch);
   // Check if the arguments will overflow the stack.
   __ ShiftLeftP(r0, num_args, Operand(kPointerSizeLog2));
   __ CmpP(scratch, r0);
   __ ble(stack_overflow);  // Signed comparison.
 }
 
 static void Generate_InterpreterPushArgs(MacroAssembler* masm,
                                          Register num_args, Register index,
-                                         Register count, Register scratch,
-                                         Label* stack_overflow) {
-  // Add a stack check before pushing arguments.
-  Generate_StackOverflowCheck(masm, num_args, scratch, stack_overflow);
-
+                                         Register count, Register scratch) {
   Label loop;
   __ AddP(index, index, Operand(kPointerSize));  // Bias up for LoadPU
   __ LoadRR(r0, count);
   __ bind(&loop);
   __ LoadP(scratch, MemOperand(index, -kPointerSize));
   __ lay(index, MemOperand(index, -kPointerSize));
   __ push(scratch);
   __ SubP(r0, Operand(1));
   __ bne(&loop);
 }
 
 // static
 void Builtins::Generate_InterpreterPushArgsThenCallImpl(
-    MacroAssembler* masm, TailCallMode tail_call_mode,
-    InterpreterPushArgsMode mode) {
+    MacroAssembler* masm, ConvertReceiverMode receiver_mode,
+    TailCallMode tail_call_mode, InterpreterPushArgsMode mode) {
   // ----------- S t a t e -------------
   //  -- r2 : the number of arguments (not including the receiver)
   //  -- r4 : the address of the first argument to be pushed. Subsequent
   //          arguments should be consecutive above this, in the same order as
   //          they are to be pushed onto the stack.
   //  -- r3 : the target to call (can be any Object).
   // -----------------------------------
   Label stack_overflow;
 
   // Calculate number of arguments (AddP one for receiver).
   __ AddP(r5, r2, Operand(1));
+  Generate_StackOverflowCheck(masm, r5, ip, &stack_overflow);
+
+  // Push "undefined" as the receiver arg if we need to.
+  if (receiver_mode == ConvertReceiverMode::kNullOrUndefined) {
+    __ PushRoot(Heap::kUndefinedValueRootIndex);
+    __ LoadRR(r5, r2);  // Argument count is correct.
+  }
 
   // Push the arguments.
-  Generate_InterpreterPushArgs(masm, r5, r4, r5, r6, &stack_overflow);
+  Generate_InterpreterPushArgs(masm, r5, r4, r5, r6);
 
   // Call the target.
   if (mode == InterpreterPushArgsMode::kJSFunction) {
     __ Jump(masm->isolate()->builtins()->CallFunction(ConvertReceiverMode::kAny,
                                                       tail_call_mode),
             RelocInfo::CODE_TARGET);
   } else if (mode == InterpreterPushArgsMode::kWithFinalSpread) {
     __ Jump(masm->isolate()->builtins()->CallWithSpread(),
             RelocInfo::CODE_TARGET);
   } else {
@@ skipping 23 matching lines @@
   Label stack_overflow;
 
   // Push a slot for the receiver to be constructed.
   __ LoadImmP(r0, Operand::Zero());
   __ push(r0);
 
   // Push the arguments (skip if none).
   Label skip;
   __ CmpP(r2, Operand::Zero());
   __ beq(&skip);
-  Generate_InterpreterPushArgs(masm, r2, r6, r2, r7, &stack_overflow);
+  Generate_StackOverflowCheck(masm, r2, ip, &stack_overflow);
+  Generate_InterpreterPushArgs(masm, r2, r6, r2, r7);
   __ bind(&skip);
 
   __ AssertUndefinedOrAllocationSite(r4, r7);
   if (mode == InterpreterPushArgsMode::kJSFunction) {
     __ AssertFunction(r3);
 
     // Tail call to the function-specific construct stub (still in the caller
     // context at this point).
     __ LoadP(r6, FieldMemOperand(r3, JSFunction::kSharedFunctionInfoOffset));
     __ LoadP(r6, FieldMemOperand(r6, SharedFunctionInfo::kConstructStubOffset));
@@ skipping 22 matching lines @@
 void Builtins::Generate_InterpreterPushArgsThenConstructArray(
     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
   // -----------------------------------
   Label stack_overflow;
 
-  __ AddP(r6, r2, Operand(1));  // Add one for receiver.
+  // Push a slot for the receiver to be constructed.
+  __ LoadImmP(r0, Operand::Zero());
+  __ push(r0);
+
+  Generate_StackOverflowCheck(masm, r2, ip, &stack_overflow);
 
   // Push the arguments. r6, r8, r3 will be modified.
-  Generate_InterpreterPushArgs(masm, r6, r5, r6, r7, &stack_overflow);
+  Generate_InterpreterPushArgs(masm, r6, r5, r2, r7);
 
   // Array constructor expects constructor in r5. It is same as r3 here.
   __ LoadRR(r5, r3);
 
   ArrayConstructorStub stub(masm->isolate());
   __ TailCallStub(&stub);
 
   __ bind(&stack_overflow);
   {
     __ TailCallRuntime(Runtime::kThrowStackOverflow);
@@ skipping 1854 matching lines @@
   // Now jump to the instructions of the returned code object.
   __ Jump(ip);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_S390