MIPS: Preliminary support for block contexts in hydrogen.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index e2a4931e62d2e18374373cc89cc06f957153781a..ffc5a7269e73a2aa60a6baba518a7b651e42b783 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -5874,6 +5874,21 @@ void LCodeGen::DoLoadFieldByIndex(LLoadFieldByIndex* instr) {
 }
 
 
+void LCodeGen::DoStoreFrameContext(LStoreFrameContext* instr) {
+  Register context = ToRegister(instr->context());
+  __ sw(context, MemOperand(fp, StandardFrameConstants::kContextOffset));
+}
+
+
+void LCodeGen::DoAllocateBlockContext(LAllocateBlockContext* instr) {
+  Handle<ScopeInfo> scope_info = instr->scope_info();
+  __ li(at, scope_info);
+  __ Push(at, ToRegister(instr->function()));
+  CallRuntime(Runtime::kHiddenPushBlockContext, 2, instr);
+  RecordSafepoint(Safepoint::kNoLazyDeopt);
+}
+
+
 #undef __
 
 } }  // namespace v8::internal