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

src/ppc/macro-assembler-ppc.cc

Index: src/ppc/macro-assembler-ppc.cc
diff --git a/src/ppc/macro-assembler-ppc.cc b/src/ppc/macro-assembler-ppc.cc
index eca224b6fd15463d162aa6ebeea1b4357f5b965e..1d4025f26b8a69d2011617322200c6cb8044ded6 100644
--- a/src/ppc/macro-assembler-ppc.cc
+++ b/src/ppc/macro-assembler-ppc.cc
@@ -2598,6 +2598,17 @@ void MacroAssembler::AssertSmi(Register object) {
   }
 }
 
+void MacroAssembler::AssertFixedArray(Register object) {
+  if (emit_debug_code()) {
+    STATIC_ASSERT(kSmiTag == 0);
+    TestIfSmi(object, r0);
+    Check(ne, kOperandIsASmiAndNotAFixedArray, cr0);
+    push(object);
+    CompareObjectType(object, object, object, FIXED_ARRAY_TYPE);
+    pop(object);
+    Check(eq, kOperandIsNotAFixedArray);
+  }
+}
 
 void MacroAssembler::AssertFunction(Register object) {
   if (emit_debug_code()) {