Assembler changes for enabling GrowHeap in Wasm

src/ia32/assembler-ia32-inl.h

Index: src/ia32/assembler-ia32-inl.h
diff --git a/src/ia32/assembler-ia32-inl.h b/src/ia32/assembler-ia32-inl.h
index cb6bad8a20f71f28c1c8c70cf8d8afee2a69e46c..cba48ba458c54ff69a21240746dfddba98c44fd3 100644
--- a/src/ia32/assembler-ia32-inl.h
+++ b/src/ia32/assembler-ia32-inl.h
@@ -77,7 +77,8 @@ void RelocInfo::apply(intptr_t delta) {
 
 
 Address RelocInfo::target_address() {
-  DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_));
+  DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) ||
+         IsWasmCodeEntry(rmode_));
   return Assembler::target_address_at(pc_, host_);
 }
 
@@ -106,7 +107,8 @@ void RelocInfo::set_target_address(Address target,
                                    ICacheFlushMode icache_flush_mode) {
   Assembler::set_target_address_at(isolate_, pc_, host_, target,
                                    icache_flush_mode);
-  DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_));
+  DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) ||
+         IsWasmCodeEntry(rmode_));
   if (write_barrier_mode == UPDATE_WRITE_BARRIER && host() != NULL &&
       IsCodeTarget(rmode_)) {
     Object* target_code = Code::GetCodeFromTargetAddress(target);
@@ -321,6 +323,10 @@ Immediate::Immediate(int x)  {
   rmode_ = RelocInfo::NONE32;
 }
 
+Immediate::Immediate(int x, RelocInfo::Mode rmode) {
+  x_ = x;
+  rmode_ = rmode;
+}
 
 Immediate::Immediate(const ExternalReference& ext) {
   x_ = reinterpret_cast<int32_t>(ext.address());