Contribution of PowerPC port (continuation of 422063005)

src/serialize.cc

Index: src/serialize.cc
diff --git a/src/serialize.cc b/src/serialize.cc
index 86348aefee917c2c921fb806bf2d8df2f599e024..b69894b29556bc7de0df5be9ac58c5570f2df383 100644
--- a/src/serialize.cc
+++ b/src/serialize.cc
@@ -1163,16 +1163,16 @@ void Deserializer::ReadData(Object** current, Object** limit, int source_space,
       // allocation point and write a pointer to it to the current object.
       ALL_SPACES(kBackref, kPlain, kStartOfObject)
       ALL_SPACES(kBackrefWithSkip, kPlain, kStartOfObject)
-#if defined(V8_TARGET_ARCH_MIPS) || V8_OOL_CONSTANT_POOL || \
-    defined(V8_TARGET_ARCH_MIPS64)
+#if defined(V8_TARGET_ARCH_MIPS) || defined(V8_TARGET_ARCH_MIPS64) || \
+    defined(V8_TARGET_ARCH_PPC) || V8_OOL_CONSTANT_POOL
       // Deserialize a new object from pointer found in code and write
-      // a pointer to it to the current object. Required only for MIPS or ARM
-      // with ool constant pool, and omitted on the other architectures because
-      // it is fully unrolled and would cause bloat.
+      // a pointer to it to the current object. Required only for MIPS, PPC or
+      // ARM with ool constant pool, and omitted on the other architectures
+      // because it is fully unrolled and would cause bloat.
       ALL_SPACES(kNewObject, kFromCode, kStartOfObject)
       // Find a recently deserialized code object using its offset from the
       // current allocation point and write a pointer to it to the current
-      // object. Required only for MIPS or ARM with ool constant pool.
+      // object. Required only for MIPS, PPC or ARM with ool constant pool.
       ALL_SPACES(kBackref, kFromCode, kStartOfObject)
       ALL_SPACES(kBackrefWithSkip, kFromCode, kStartOfObject)
 #endif
@@ -1189,7 +1189,7 @@ void Deserializer::ReadData(Object** current, Object** limit, int source_space,
       CASE_STATEMENT(kRootArray, kPlain, kStartOfObject, 0)
       CASE_BODY(kRootArray, kPlain, kStartOfObject, 0)
 #if defined(V8_TARGET_ARCH_MIPS) || V8_OOL_CONSTANT_POOL || \
-    defined(V8_TARGET_ARCH_MIPS64)
+    defined(V8_TARGET_ARCH_MIPS64) || defined(V8_TARGET_ARCH_PPC)
       // Find an object in the roots array and write a pointer to it to in code.
       CASE_STATEMENT(kRootArray, kFromCode, kStartOfObject, 0)
       CASE_BODY(kRootArray, kFromCode, kStartOfObject, 0)