[fullcodegen] Remove exception handling support.

src/full-codegen/mips/full-codegen-mips.cc

Index: src/full-codegen/mips/full-codegen-mips.cc
diff --git a/src/full-codegen/mips/full-codegen-mips.cc b/src/full-codegen/mips/full-codegen-mips.cc
index 261494b60d26634f5f079db5a03698b05b69db69..3e68f35b94bf2e146fabfcaa58728361f5d2fb1b 100644
--- a/src/full-codegen/mips/full-codegen-mips.cc
+++ b/src/full-codegen/mips/full-codegen-mips.cc
@@ -3459,70 +3459,6 @@ void FullCodeGenerator::PushFunctionArgumentForContextAllocation() {
 }
 
 
-// ----------------------------------------------------------------------------
-// Non-local control flow support.
-
-void FullCodeGenerator::EnterFinallyBlock() {
-  DCHECK(!result_register().is(a1));
-  // Store pending message while executing finally block.
-  ExternalReference pending_message_obj =
-      ExternalReference::address_of_pending_message_obj(isolate());
-  __ li(at, Operand(pending_message_obj));
-  __ lw(a1, MemOperand(at));
-  PushOperand(a1);
-
-  ClearPendingMessage();
-}
-
-
-void FullCodeGenerator::ExitFinallyBlock() {
-  DCHECK(!result_register().is(a1));
-  // Restore pending message from stack.
-  PopOperand(a1);
-  ExternalReference pending_message_obj =
-      ExternalReference::address_of_pending_message_obj(isolate());
-  __ li(at, Operand(pending_message_obj));
-  __ sw(a1, MemOperand(at));
-}
-
-
-void FullCodeGenerator::ClearPendingMessage() {
-  DCHECK(!result_register().is(a1));
-  ExternalReference pending_message_obj =
-      ExternalReference::address_of_pending_message_obj(isolate());
-  __ LoadRoot(a1, Heap::kTheHoleValueRootIndex);
-  __ li(at, Operand(pending_message_obj));
-  __ sw(a1, MemOperand(at));
-}
-
-
-void FullCodeGenerator::DeferredCommands::EmitCommands() {
-  DCHECK(!result_register().is(a1));
-  __ Pop(result_register());  // Restore the accumulator.
-  __ Pop(a1);                 // Get the token.
-  for (DeferredCommand cmd : commands_) {
-    Label skip;
-    __ li(at, Operand(Smi::FromInt(cmd.token)));
-    __ Branch(&skip, ne, a1, Operand(at));
-    switch (cmd.command) {
-      case kReturn:
-        codegen_->EmitUnwindAndReturn();
-        break;
-      case kThrow:
-        __ Push(result_register());
-        __ CallRuntime(Runtime::kReThrow);
-        break;
-      case kContinue:
-        codegen_->EmitContinue(cmd.target);
-        break;
-      case kBreak:
-        codegen_->EmitBreak(cmd.target);
-        break;
-    }
-    __ bind(&skip);
-  }
-}
-
 #undef __