SlotRef::GetValue INT32 case needs to be 64bit big endian aware

src/deoptimizer.cc

Index: src/deoptimizer.cc
diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index c1df93769ee8f8ad6ec6c939cb9931fc4626073f..cdf9668df6f494bd30db4f93e2d49f0dc306bc77 100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -3260,7 +3260,11 @@ Handle<Object> SlotRef::GetValue(Isolate* isolate) {
       return Handle<Object>(Memory::Object_at(addr_), isolate);
 
     case INT32: {
+#if V8_TARGET_LITTLE_ENDIAN || !V8_HOST_ARCH_64_BIT

[Jakob Kummerow, 2014/07/19 11:44:36]

nit: I think "V8_HOST_ARCH_32_BIT" would be slightly more appropriate than
"!V8_HOST_ARCH_64_BIT".

       int value = Memory::int32_at(addr_);
+#else
+      int value = Memory::int32_at(addr_ + kIntSize);
+#endif
       if (Smi::IsValid(value)) {
         return Handle<Object>(Smi::FromInt(value), isolate);
       } else {
@@ -3269,7 +3273,11 @@ Handle<Object> SlotRef::GetValue(Isolate* isolate) {
     }
 
     case UINT32: {
+#if V8_TARGET_LITTLE_ENDIAN || !V8_HOST_ARCH_64_BIT
       uint32_t value = Memory::uint32_at(addr_);
+#else
+      uint32_t value = Memory::uint32_at(addr_ + kIntSize);
+#endif
       if (value <= static_cast<uint32_t>(Smi::kMaxValue)) {
         return Handle<Object>(Smi::FromInt(static_cast<int>(value)), isolate);
       } else {