PPC: [builtins] Unify the various versions of [[Call]] with a Call builtin.

src/ppc/macro-assembler-ppc.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.
 
 #include <assert.h>  // For assert
 #include <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/base/bits.h"
@@ skipping 2381 matching lines @@
     }
   } else {
     // Slot is in the current function context.  Move it into the
     // destination register in case we store into it (the write barrier
     // cannot be allowed to destroy the context in esi).
     mr(dst, cp);
   }
 }
 
 
+void MacroAssembler::LoadGlobalProxy(Register dst) {
+  LoadP(dst, GlobalObjectOperand());
+  LoadP(dst, FieldMemOperand(dst, GlobalObject::kGlobalProxyOffset));
+}
+
+
 void MacroAssembler::LoadTransitionedArrayMapConditional(
     ElementsKind expected_kind, ElementsKind transitioned_kind,
     Register map_in_out, Register scratch, Label* no_map_match) {
   // Load the global or builtins object from the current context.
   LoadP(scratch,
         MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
   LoadP(scratch, FieldMemOperand(scratch, GlobalObject::kNativeContextOffset));
 
   // Check that the function's map is the same as the expected cached map.
   LoadP(scratch,
@@ skipping 156 matching lines @@
     Check(ne, kOperandIsASmiAndNotAName, cr0);
     push(object);
     LoadP(object, FieldMemOperand(object, HeapObject::kMapOffset));
     CompareInstanceType(object, object, LAST_NAME_TYPE);
     pop(object);
     Check(le, kOperandIsNotAName);
   }
 }
 
 
+void MacroAssembler::AssertFunction(Register object) {
+  if (emit_debug_code()) {
+    STATIC_ASSERT(kSmiTag == 0);
+    TestIfSmi(object, r0);
+    Check(ne, kOperandIsASmiAndNotAFunction, cr0);
+    CompareObjectType(object, r0, r0, JS_FUNCTION_TYPE);
+    Check(eq, kOperandIsNotAFunction);
+  }
+}
+
+
 void MacroAssembler::AssertUndefinedOrAllocationSite(Register object,
                                                      Register scratch) {
   if (emit_debug_code()) {
     Label done_checking;
     AssertNotSmi(object);
     CompareRoot(object, Heap::kUndefinedValueRootIndex);
     beq(&done_checking);
     LoadP(scratch, FieldMemOperand(object, HeapObject::kMapOffset));
     CompareRoot(scratch, Heap::kAllocationSiteMapRootIndex);
     Assert(eq, kExpectedUndefinedOrCell);
@@ skipping 1821 matching lines @@
   }
   if (mag.shift > 0) srawi(result, result, mag.shift);
   ExtractBit(r0, dividend, 31);
   add(result, result, r0);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC