VectorICs: vector [keyed]store ic MISS handling infrastructure.

src/ic/arm64/ic-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/codegen.h"
 #include "src/ic/ic.h"
@@ skipping 453 matching lines @@
 
   GenerateKeyedLoadWithNameKey(masm, key, receiver, x4, x5, x6, x7, x3, &slow);
 
   __ Bind(&index_name);
   __ IndexFromHash(x3, key);
   // Now jump to the place where smi keys are handled.
   __ B(&index_smi);
 }
 
 
+static void StoreIC_PushArgs(MacroAssembler* masm) {
+  if (FLAG_vector_stores) {
+    __ Push(StoreDescriptor::ReceiverRegister(),
+            StoreDescriptor::NameRegister(), StoreDescriptor::ValueRegister(),
+            VectorStoreICDescriptor::SlotRegister(),
+            VectorStoreICDescriptor::VectorRegister());
+  } else {
+    __ Push(StoreDescriptor::ReceiverRegister(),
+            StoreDescriptor::NameRegister(), StoreDescriptor::ValueRegister());
+  }
+}
+
+
 void KeyedStoreIC::GenerateMiss(MacroAssembler* masm) {
   ASM_LOCATION("KeyedStoreIC::GenerateMiss");
+  StoreIC_PushArgs(masm);
 
-  // Push receiver, key and value for runtime call.
-  __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
-          StoreDescriptor::ValueRegister());
-
-  __ TailCallRuntime(Runtime::kKeyedStoreIC_Miss, 3, 1);
+  int args = FLAG_vector_stores ? 5 : 3;
+  __ TailCallRuntime(Runtime::kKeyedStoreIC_Miss, args, 1);
 }
 
 
 static void KeyedStoreGenerateMegamorphicHelper(
     MacroAssembler* masm, Label* fast_object, Label* fast_double, Label* slow,
     KeyedStoreCheckMap check_map, KeyedStoreIncrementLength increment_length,
     Register value, Register key, Register receiver, Register receiver_map,
     Register elements_map, Register elements) {
   DCHECK(!AreAliased(value, key, receiver, receiver_map, elements_map, elements,
                      x10, x11));
@@ skipping 266 matching lines @@
       Code::ComputeHandlerFlags(Code::STORE_IC));
   masm->isolate()->stub_cache()->GenerateProbe(
       masm, Code::STORE_IC, flags, false, receiver, name, x3, x4, x5, x6);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);
 }
 
 
 void StoreIC::GenerateMiss(MacroAssembler* masm) {
-  __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
-          StoreDescriptor::ValueRegister());
+  StoreIC_PushArgs(masm);
 
   // Tail call to the entry.
-  __ TailCallRuntime(Runtime::kStoreIC_Miss, 3, 1);
+  int args = FLAG_vector_stores ? 5 : 3;
+  __ TailCallRuntime(Runtime::kStoreIC_Miss, args, 1);
 }
 
 
 void StoreIC::GenerateNormal(MacroAssembler* masm) {
   Label miss;
   Register value = StoreDescriptor::ValueRegister();
   Register receiver = StoreDescriptor::ReceiverRegister();
   Register name = StoreDescriptor::NameRegister();
   Register dictionary = x3;
   DCHECK(!AreAliased(value, receiver, name, x3, x4, x5));
@@ skipping 94 matching lines @@
   } else {
     DCHECK(to_patch->Mask(TestBranchMask) == TBNZ);
     // This is JumpIfSmi(smi_reg, branch_imm).
     patcher.tbz(smi_reg, 0, branch_imm);
   }
 }
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64