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

src/s390/macro-assembler-s390.cc

Index: src/s390/macro-assembler-s390.cc
diff --git a/src/s390/macro-assembler-s390.cc b/src/s390/macro-assembler-s390.cc
index 9e7bf363d1dd531d7e27d6ba54c0657b5d05e27c..18d51046f21dc2ee1ab495f50f6229826abb2f4c 100644
--- a/src/s390/macro-assembler-s390.cc
+++ b/src/s390/macro-assembler-s390.cc
@@ -2374,6 +2374,18 @@ void MacroAssembler::AssertSmi(Register object) {
   }
 }
 
+void MacroAssembler::AssertFixedArray(Register object) {
+  if (emit_debug_code()) {
+    STATIC_ASSERT(kSmiTag == 0);
+    TestIfSmi(object);
+    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()) {
     STATIC_ASSERT(kSmiTag == 0);