PPC/s390: [builtins] Start refactoring the Apply builtin.

src/ppc/interface-descriptors-ppc.cc

Index: src/ppc/interface-descriptors-ppc.cc
diff --git a/src/ppc/interface-descriptors-ppc.cc b/src/ppc/interface-descriptors-ppc.cc
index 82a2cb3acfcae4abd62e8ba1e82f03435053df6e..f804496861fc0ceeea9f986825b8512d0ce1993b 100644
--- a/src/ppc/interface-descriptors-ppc.cc
+++ b/src/ppc/interface-descriptors-ppc.cc
@@ -155,6 +155,16 @@ void CallTrampolineDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+void CallVarargsDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // r3 : number of arguments (on the stack, not including receiver)
+  // r4 : the target to call
+  // r5 : arguments list (FixedArray)
+  // r7 : arguments list length (untagged)
+  Register registers[] = {r4, r3, r5, r7};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
 void CallForwardVarargsDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // r3 : number of arguments
@@ -164,6 +174,25 @@ void CallForwardVarargsDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+void CallWithArrayLikeDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // r4 : the target to call
+  // r5 : the arguments list
+  Register registers[] = {r4, r5};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void ConstructVarargsDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // r3 : number of arguments (on the stack, not including receiver)
+  // r4 : the target to call
+  // r6 : the new target
+  // r5 : arguments list (FixedArray)
+  // r7 : arguments list length (untagged)
+  Register registers[] = {r4, r6, r3, r5, r7};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
 void ConstructForwardVarargsDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // r3 : number of arguments
@@ -174,6 +203,15 @@ void ConstructForwardVarargsDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+void ConstructWithArrayLikeDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // r4 : the target to call
+  // r6 : the new target
+  // r5 : the arguments list
+  Register registers[] = {r4, r6, r5};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
 void ConstructStubDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // r3 : number of arguments