X87: Flesh out vector ic state query and set mechanisms.

port c142994f

original commit message:

    Flesh out vector ic state query and set mechanisms.

    The IC system now fully integrates the vector concept and can
    handle loads and keyed loads vector-based.

BUG=

Review URL: https://codereview.chromium.org/763953002

Cr-Commit-Position: refs/heads/master@{#25556}

src/ic/x87/ic-x87.cc

@@ -769,31 +769,52 @@ void LoadIC::GenerateNormal(MacroAssembler* masm) {
 static void LoadIC_PushArgs(MacroAssembler* masm) {
   Register receiver = LoadDescriptor::ReceiverRegister();
   Register name = LoadDescriptor::NameRegister();
-  DCHECK(!ebx.is(receiver) && !ebx.is(name));
+  if (FLAG_vector_ics) {
+    Register slot = VectorLoadICDescriptor::SlotRegister();
+    Register vector = VectorLoadICDescriptor::VectorRegister();
+    DCHECK(!edi.is(receiver) && !edi.is(name) && !edi.is(slot) &&
+           !edi.is(vector));
+
+    __ pop(edi);
+    __ push(receiver);
+    __ push(name);
+    __ push(slot);
+    __ push(vector);
+    __ push(edi);
+  } else {
+    DCHECK(!ebx.is(receiver) && !ebx.is(name));
 
-  __ pop(ebx);
-  __ push(receiver);
-  __ push(name);
-  __ push(ebx);
+    __ pop(ebx);
+    __ push(receiver);
+    __ push(name);
+    __ push(ebx);
+  }
 }
 
 
 void LoadIC::GenerateMiss(MacroAssembler* masm) {
   // Return address is on the stack.
   __ IncrementCounter(masm->isolate()->counters()->load_miss(), 1);
-
   LoadIC_PushArgs(masm);
 
   // Perform tail call to the entry.
   ExternalReference ref =
       ExternalReference(IC_Utility(kLoadIC_Miss), masm->isolate());
-  __ TailCallExternalReference(ref, 2, 1);
+  int arg_count = FLAG_vector_ics ? 4 : 2;
+  __ TailCallExternalReference(ref, arg_count, 1);
 }
 
 
 void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // Return address is on the stack.
-  LoadIC_PushArgs(masm);
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register name = LoadDescriptor::NameRegister();
+  DCHECK(!ebx.is(receiver) && !ebx.is(name));
+
+  __ pop(ebx);
+  __ push(receiver);
+  __ push(name);
+  __ push(ebx);
 
   // Perform tail call to the entry.
   __ TailCallRuntime(Runtime::kGetProperty, 2, 1);
@@ -809,13 +830,21 @@ void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
   // Perform tail call to the entry.
   ExternalReference ref =
       ExternalReference(IC_Utility(kKeyedLoadIC_Miss), masm->isolate());
-  __ TailCallExternalReference(ref, 2, 1);
+  int arg_count = FLAG_vector_ics ? 4 : 2;
+  __ TailCallExternalReference(ref, arg_count, 1);
 }
 
 
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // Return address is on the stack.
-  LoadIC_PushArgs(masm);
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register name = LoadDescriptor::NameRegister();
+  DCHECK(!ebx.is(receiver) && !ebx.is(name));
+
+  __ pop(ebx);
+  __ push(receiver);
+  __ push(name);
+  __ push(ebx);
 
   // Perform tail call to the entry.
   __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1);