MIPS: Introduce FLAG_vector_ics.

src/mips64/lithium-codegen-mips64.cc

 // Copyright 2012 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"
 
 #include "src/code-stubs.h"
 #include "src/hydrogen-osr.h"
 #include "src/mips64/lithium-codegen-mips64.h"
 #include "src/mips64/lithium-gap-resolver-mips64.h"
@@ skipping 2863 matching lines @@
   }
 }
 
 
 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(cp));
   ASSERT(ToRegister(instr->global_object()).is(LoadIC::ReceiverRegister()));
   ASSERT(ToRegister(instr->result()).is(v0));
 
   __ li(LoadIC::NameRegister(), Operand(instr->name()));
+  if (FLAG_vector_ics) {
+    Register vector = ToRegister(instr->temp_vector());
+    ASSERT(vector.is(LoadIC::VectorRegister()));
+    __ li(vector, instr->hydrogen()->feedback_vector());
+    // No need to allocate this register.
+    ASSERT(LoadIC::SlotRegister().is(a0));
+    __ li(LoadIC::SlotRegister(),
+          Operand(Smi::FromInt(instr->hydrogen()->slot())));
+  }
   ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL;
   Handle<Code> ic = LoadIC::initialize_stub(isolate(), mode);
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoStoreGlobalCell(LStoreGlobalCell* instr) {
   Register value = ToRegister(instr->value());
   Register cell = scratch0();
 
@@ skipping 119 matching lines @@
 }
 
 
 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(cp));
   ASSERT(ToRegister(instr->object()).is(LoadIC::ReceiverRegister()));
   ASSERT(ToRegister(instr->result()).is(v0));
 
   // Name is always in a2.
   __ li(LoadIC::NameRegister(), Operand(instr->name()));
+  if (FLAG_vector_ics) {
+    Register vector = ToRegister(instr->temp_vector());
+    ASSERT(vector.is(LoadIC::VectorRegister()));
+    __ li(vector, instr->hydrogen()->feedback_vector());
+    // No need to allocate this register.
+    ASSERT(LoadIC::SlotRegister().is(a0));
+    __ li(LoadIC::SlotRegister(),
+          Operand(Smi::FromInt(instr->hydrogen()->slot())));
+  }
   Handle<Code> ic = LoadIC::initialize_stub(isolate(), NOT_CONTEXTUAL);
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) {
   Register scratch = scratch0();
   Register function = ToRegister(instr->function());
   Register result = ToRegister(instr->result());
 
@@ skipping 342 matching lines @@
     return MemOperand(scratch0(), base_offset);
   }
 }
 
 
 void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(cp));
   ASSERT(ToRegister(instr->object()).is(LoadIC::ReceiverRegister()));
   ASSERT(ToRegister(instr->key()).is(LoadIC::NameRegister()));
 
+  if (FLAG_vector_ics) {
+    Register vector = ToRegister(instr->temp_vector());
+    ASSERT(vector.is(LoadIC::VectorRegister()));
+    __ li(vector, instr->hydrogen()->feedback_vector());
+    // No need to allocate this register.
+    ASSERT(LoadIC::SlotRegister().is(a0));
+    __ li(LoadIC::SlotRegister(),
+          Operand(Smi::FromInt(instr->hydrogen()->slot())));
+  }
+
   Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) {
   Register scratch = scratch0();
   Register temp = scratch1();
   Register result = ToRegister(instr->result());
 
@@ skipping 2537 matching lines @@
   __ li(at, scope_info);
   __ Push(at, ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal