1 files changed, 36 insertions, 23 deletions
diff --git a/deps/v8/src/ia32/interface-descriptors-ia32.cc b/deps/v8/src/ia32/interface-descriptors-ia32.cc
index 2077dd76e6..ad381c7eb2 100644
--- a/deps/v8/src/ia32/interface-descriptors-ia32.cc
+++ b/deps/v8/src/ia32/interface-descriptors-ia32.cc
@@ -68,6 +68,11 @@ const Register ArgumentsAccessNewDescriptor::parameter_count() { return ecx; }
 const Register ArgumentsAccessNewDescriptor::parameter_pointer() { return edx; }
 
 
+const Register RestParamAccessDescriptor::parameter_count() { return ecx; }
+const Register RestParamAccessDescriptor::parameter_pointer() { return edx; }
+const Register RestParamAccessDescriptor::rest_parameter_index() { return ebx; }
+
+
 const Register ApiGetterDescriptor::function_address() { return edx; }
 
 
@@ -131,6 +136,13 @@ void TypeofDescriptor::InitializePlatformSpecific(
 }
 
 
+void FastCloneRegExpDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {edi, eax, ecx, edx};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+
 void FastCloneShallowArrayDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {eax, ebx, ecx};
@@ -191,7 +203,7 @@ void CallConstructDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // eax : number of arguments
   // ebx : feedback vector
-  // ecx : original constructor (for IsSuperConstructorCall)
+  // ecx : new target (for IsSuperConstructorCall)
   // edx : slot in feedback vector (Smi, for RecordCallTarget)
   // edi : constructor function
   // TODO(turbofan): So far we don't gather type feedback and hence skip the
@@ -210,6 +222,27 @@ void CallTrampolineDescriptor::InitializePlatformSpecific(
 }
 
 
+void ConstructStubDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // eax : number of arguments
+  // edx : the new target
+  // edi : the target to call
+  // ebx : allocation site or undefined
+  Register registers[] = {edi, edx, eax, ebx};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+
+void ConstructTrampolineDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // eax : number of arguments
+  // edx : the new target
+  // edi : the target to call
+  Register registers[] = {edi, edx, eax};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+
 void RegExpConstructResultDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {ecx, ebx, eax};
@@ -348,6 +381,7 @@ void ArgumentAdaptorDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {
       edi,  // JSFunction
+      edx,  // the new target
       eax,  // actual number of arguments
       ebx,  // expected number of arguments
   };
@@ -380,27 +414,6 @@ void ApiAccessorDescriptor::InitializePlatformSpecific(
 }
 
 
-void MathRoundVariantCallFromUnoptimizedCodeDescriptor::
-    InitializePlatformSpecific(CallInterfaceDescriptorData* data) {
-  Register registers[] = {
-      edi,  // math rounding function
-      edx,  // vector slot id
-  };
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
-void MathRoundVariantCallFromOptimizedCodeDescriptor::
-    InitializePlatformSpecific(CallInterfaceDescriptorData* data) {
-  Register registers[] = {
-      edi,  // math rounding function
-      edx,  // vector slot id
-      ebx   // type vector
-  };
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
 void InterpreterPushArgsAndCallDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {
@@ -416,7 +429,7 @@ void InterpreterPushArgsAndConstructDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {
       eax,  // argument count (not including receiver)
-      edx,  // original constructor
+      edx,  // new target
       edi,  // constructor
       ebx,  // address of first argument
   };