Version 3.7.1

src/mips/ic-mips.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 366 matching lines @@
   __ And(at, hash, Operand(kIsSymbolMask));
   __ Branch(not_symbol, eq, at, Operand(zero_reg));
 }
 
 
 // Defined in ic.cc.
 Object* CallIC_Miss(Arguments args);
 
 // The generated code does not accept smi keys.
 // The generated code falls through if both probes miss.
-static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
-                                          int argc,
-                                          Code::Kind kind,
-                                          Code::ExtraICState extra_ic_state) {
+void CallICBase::GenerateMonomorphicCacheProbe(MacroAssembler* masm,
+                                               int argc,
+                                               Code::Kind kind,
+                                               Code::ExtraICState extra_state) {
   // ----------- S t a t e -------------
   //  -- a1    : receiver
   //  -- a2    : name
   // -----------------------------------
   Label number, non_number, non_string, boolean, probe, miss;
 
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(kind,
                                          MONOMORPHIC,
-                                         extra_ic_state,
+                                         extra_state,
                                          NORMAL,
                                          argc);
   Isolate::Current()->stub_cache()->GenerateProbe(
       masm, flags, a1, a2, a3, t0, t1);
 
   // If the stub cache probing failed, the receiver might be a value.
   // For value objects, we use the map of the prototype objects for
   // the corresponding JSValue for the cache and that is what we need
   // to probe.
   //
@@ skipping 45 matching lines @@
   __ GetObjectType(a1, scratch, scratch);
   __ Branch(miss, ne, scratch, Operand(JS_FUNCTION_TYPE));
 
   // Invoke the function.
   ParameterCount actual(argc);
   __ InvokeFunction(a1, actual, JUMP_FUNCTION,
                     NullCallWrapper(), CALL_AS_METHOD);
 }
 
 
-static void GenerateCallNormal(MacroAssembler* masm, int argc) {
+void CallICBase::GenerateNormal(MacroAssembler* masm, int argc) {
   // ----------- S t a t e -------------
   //  -- a2    : name
   //  -- ra    : return address
   // -----------------------------------
   Label miss;
 
   // Get the receiver of the function from the stack into a1.
   __ lw(a1, MemOperand(sp, argc * kPointerSize));
 
   GenerateStringDictionaryReceiverCheck(masm, a1, a0, a3, t0, &miss);
 
   // a0: elements
   // Search the dictionary - put result in register a1.
   GenerateDictionaryLoad(masm, &miss, a0, a2, a1, a3, t0);
 
   GenerateFunctionTailCall(masm, argc, &miss, t0);
 
   // Cache miss: Jump to runtime.
   __ bind(&miss);
 }
 
 
-static void GenerateCallMiss(MacroAssembler* masm,
-                             int argc,
-                             IC::UtilityId id,
-                             Code::ExtraICState extra_ic_state) {
+void CallICBase::GenerateMiss(MacroAssembler* masm,
+                              int argc,
+                              IC::UtilityId id,
+                              Code::ExtraICState extra_state) {
   // ----------- S t a t e -------------
   //  -- a2    : name
   //  -- ra    : return address
   // -----------------------------------
   Isolate* isolate = masm->isolate();
 
   if (id == IC::kCallIC_Miss) {
     __ IncrementCounter(isolate->counters()->call_miss(), 1, a3, t0);
   } else {
     __ IncrementCounter(isolate->counters()->keyed_call_miss(), 1, a3, t0);
@@ skipping 30 matching lines @@
     __ Branch(&global, eq, a3, Operand(JS_GLOBAL_OBJECT_TYPE));
     __ Branch(&invoke, ne, a3, Operand(JS_BUILTINS_OBJECT_TYPE));
 
     // Patch the receiver on the stack.
     __ bind(&global);
     __ lw(a2, FieldMemOperand(a2, GlobalObject::kGlobalReceiverOffset));
     __ sw(a2, MemOperand(sp, argc * kPointerSize));
     __ bind(&invoke);
   }
   // Invoke the function.
-  CallKind call_kind = CallICBase::Contextual::decode(extra_ic_state)
+  CallKind call_kind = CallICBase::Contextual::decode(extra_state)
       ? CALL_AS_FUNCTION
       : CALL_AS_METHOD;
   ParameterCount actual(argc);
   __ InvokeFunction(a1,
                     actual,
                     JUMP_FUNCTION,
                     NullCallWrapper(),
                     call_kind);
 }
 
 
-void CallIC::GenerateMiss(MacroAssembler* masm,
-                          int argc,
-                          Code::ExtraICState extra_ic_state) {
-  // ----------- S t a t e -------------
-  //  -- a2    : name
-  //  -- ra    : return address
-  // -----------------------------------
-
-  GenerateCallMiss(masm, argc, IC::kCallIC_Miss, extra_ic_state);
-}
-
-
 void CallIC::GenerateMegamorphic(MacroAssembler* masm,
                                  int argc,
                                  Code::ExtraICState extra_ic_state) {
   // ----------- S t a t e -------------
   //  -- a2    : name
   //  -- ra    : return address
   // -----------------------------------
 
   // Get the receiver of the function from the stack into a1.
   __ lw(a1, MemOperand(sp, argc * kPointerSize));
   GenerateMonomorphicCacheProbe(masm, argc, Code::CALL_IC, extra_ic_state);
   GenerateMiss(masm, argc, extra_ic_state);
 }
 
 
-void CallIC::GenerateNormal(MacroAssembler* masm, int argc) {
-  // ----------- S t a t e -------------
-  //  -- a2    : name
-  //  -- ra    : return address
-  // -----------------------------------
-
-  GenerateCallNormal(masm, argc);
-  GenerateMiss(masm, argc, Code::kNoExtraICState);
-}
-
-
-void KeyedCallIC::GenerateMiss(MacroAssembler* masm, int argc) {
-  // ----------- S t a t e -------------
-  //  -- a2    : name
-  //  -- ra    : return address
-  // -----------------------------------
-
-  GenerateCallMiss(masm, argc, IC::kKeyedCallIC_Miss, Code::kNoExtraICState);
-}
-
-
 void KeyedCallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
   // ----------- S t a t e -------------
   //  -- a2    : name
   //  -- ra    : return address
   // -----------------------------------
 
   // Get the receiver of the function from the stack into a1.
   __ lw(a1, MemOperand(sp, argc * kPointerSize));
 
   Label do_call, slow_call, slow_load, slow_reload_receiver;
@@ skipping 96 matching lines @@
   // ----------- S t a t e -------------
   //  -- a2    : name
   //  -- ra    : return address
   // -----------------------------------
 
   // Check if the name is a string.
   Label miss;
   __ JumpIfSmi(a2, &miss);
   __ IsObjectJSStringType(a2, a0, &miss);
 
-  GenerateCallNormal(masm, argc);
+  CallICBase::GenerateNormal(masm, argc);
   __ bind(&miss);
   GenerateMiss(masm, argc);
 }
 
 
 // Defined in ic.cc.
 Object* LoadIC_Miss(Arguments args);
 
 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
   // ----------- S t a t e -------------
@@ skipping 684 matching lines @@
 
   // The slow case calls into the runtime to complete the store without causing
   // an IC miss that would otherwise cause a transition to the generic stub.
   ExternalReference ref =
       ExternalReference(IC_Utility(kKeyedStoreIC_Slow), masm->isolate());
 
   __ TailCallExternalReference(ref, 3, 1);
 }
 
 
+void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) {
+  // ---------- S t a t e --------------
+  //  -- a2     : receiver
+  //  -- a3     : target map
+  //  -- ra     : return address
+  // -----------------------------------
+  // Must return the modified receiver in v0.
+  if (!FLAG_trace_elements_transitions) {
+    Label fail;
+    ElementsTransitionGenerator::GenerateSmiOnlyToDouble(masm, &fail);
+    __ Ret(USE_DELAY_SLOT);
+    __ mov(v0, a2);
+    __ bind(&fail);
+  }
+
+  __ push(a2);
+  __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1);
+}
+
+
+void KeyedStoreIC::GenerateTransitionElementsDoubleToObject(
+    MacroAssembler* masm) {
+  // ---------- S t a t e --------------
+  //  -- a2     : receiver
+  //  -- a3     : target map
+  //  -- ra     : return address
+  // -----------------------------------
+  // Must return the modified receiver in v0.
+  if (!FLAG_trace_elements_transitions) {
+    Label fail;
+    ElementsTransitionGenerator::GenerateDoubleToObject(masm, &fail);
+    __ Ret(USE_DELAY_SLOT);
+    __ mov(v0, a2);
+    __ bind(&fail);
+  }
+
+  __ push(a2);
+  __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1);
+}
+
+
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm,
                                   StrictModeFlag strict_mode) {
   // ----------- S t a t e -------------
   //  -- a0    : value
   //  -- a1    : receiver
   //  -- a2    : name
   //  -- ra    : return address
   // -----------------------------------
 
   // Get the receiver from the stack and probe the stub cache.
@@ skipping 119 matching lines @@
 
 
 Condition CompareIC::ComputeCondition(Token::Value op) {
   switch (op) {
     case Token::EQ_STRICT:
     case Token::EQ:
       return eq;
     case Token::LT:
       return lt;
     case Token::GT:
-      // Reverse left and right operands to obtain ECMA-262 conversion order.
-      return lt;
+      return gt;
     case Token::LTE:
-      // Reverse left and right operands to obtain ECMA-262 conversion order.
-      return ge;
+      return le;
     case Token::GTE:
       return ge;
     default:
       UNREACHABLE();
       return kNoCondition;
   }
 }
 
 
 void CompareIC::UpdateCaches(Handle<Object> x, Handle<Object> y) {
@@ skipping 88 matching lines @@
     Register reg = Register::from_code(Assembler::GetRs(instr_at_patch));
     patcher.masm()->andi(at, reg, kSmiTagMask);
     patcher.ChangeBranchCondition(eq);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS