From 5783dc71af3f67af23589eb263ee1d38fc6d1d09 Mon Sep 17 00:00:00 2001
From: mbrandy <mbrandy@us.ibm.com>
Date: Mon, 13 Jul 2015 10:21:39 -0700
Subject: [PATCH] PPC: [turbofan] Add an InterpreterDispatch linkage type.

Port a0129a25ba2f4d00138887cb2008d5b76e2b0068

R=rmcilroy@chromium.org, dstence@us.ibm.com, michael_dawson@ca.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1232803004

Cr-Commit-Position: refs/heads/master@{#29620}
---
 src/compiler/ppc/instruction-selector-ppc.cc | 1 +
 src/compiler/ppc/linkage-ppc.cc              | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/src/compiler/ppc/instruction-selector-ppc.cc b/src/compiler/ppc/instruction-selector-ppc.cc
index 0fe2acb369..3499fe4394 100644
--- a/src/compiler/ppc/instruction-selector-ppc.cc
+++ b/src/compiler/ppc/instruction-selector-ppc.cc
@@ -1547,6 +1547,7 @@ void InstructionSelector::VisitTailCall(Node* node) {
     InstructionCode opcode;
     switch (descriptor->kind()) {
       case CallDescriptor::kCallCodeObject:
+      case CallDescriptor::kInterpreterDispatch:
         opcode = kArchTailCallCodeObject;
         break;
       case CallDescriptor::kCallJSFunction:
diff --git a/src/compiler/ppc/linkage-ppc.cc b/src/compiler/ppc/linkage-ppc.cc
index 677e9d0e6c..ebea4452ae 100644
--- a/src/compiler/ppc/linkage-ppc.cc
+++ b/src/compiler/ppc/linkage-ppc.cc
@@ -67,6 +67,12 @@ CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
   return LH::GetSimplifiedCDescriptor(zone, sig);
 }
 
+
+CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(
+    Zone* zone, const MachineSignature* sig) {
+  return LH::GetInterpreterDispatchDescriptor(zone, sig);
+}
+
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8