MIPS: Implement many KeyedStoreStubs using Crankshaft

src/mips/lithium-codegen-mips.cc

 // Copyright 2012 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 219 matching lines @@
       if (var->IsContextSlot()) {
         int parameter_offset = StandardFrameConstants::kCallerSPOffset +
             (num_parameters - 1 - i) * kPointerSize;
         // Load parameter from stack.
         __ lw(a0, MemOperand(fp, parameter_offset));
         // Store it in the context.
         MemOperand target = ContextOperand(cp, var->index());
         __ sw(a0, target);
         // Update the write barrier. This clobbers a3 and a0.
         __ RecordWriteContextSlot(
-            cp, target.offset(), a0, a3, kRAHasBeenSaved, kSaveFPRegs);
+            cp, target.offset(), a0, a3, GetRAState(), kSaveFPRegs);
       }
     }
     Comment(";;; End allocate local context");
   }
 
   // Trace the call.
   if (FLAG_trace && info()->IsOptimizing()) {
     __ CallRuntime(Runtime::kTraceEnter, 0);
   }
   EnsureSpaceForLazyDeopt();
@@ skipping 2429 matching lines @@
 
   __ sw(value, target);
   if (instr->hydrogen()->NeedsWriteBarrier()) {
     HType type = instr->hydrogen()->value()->type();
     SmiCheck check_needed =
         type.IsHeapObject() ? OMIT_SMI_CHECK : INLINE_SMI_CHECK;
     __ RecordWriteContextSlot(context,
                               target.offset(),
                               value,
                               scratch0(),
-                              kRAHasBeenSaved,
+                              GetRAState(),
                               kSaveFPRegs,
                               EMIT_REMEMBERED_SET,
                               check_needed);
   }
 
   __ bind(&skip_assignment);
 }
 
 
 void LCodeGen::DoLoadNamedField(LLoadNamedField* instr) {
@@ skipping 1322 matching lines @@
   if (!instr->transition().is_null()) {
     __ li(scratch, Operand(instr->transition()));
     __ sw(scratch, FieldMemOperand(object, HeapObject::kMapOffset));
     if (instr->hydrogen()->NeedsWriteBarrierForMap()) {
       Register temp = ToRegister(instr->temp());
       // Update the write barrier for the map field.
       __ RecordWriteField(object,
                           HeapObject::kMapOffset,
                           scratch,
                           temp,
-                          kRAHasBeenSaved,
+                          GetRAState(),
                           kSaveFPRegs,
                           OMIT_REMEMBERED_SET,
                           OMIT_SMI_CHECK);
     }
   }
 
   // Do the store.
   HType type = instr->hydrogen()->value()->type();
   SmiCheck check_needed =
       type.IsHeapObject() ? OMIT_SMI_CHECK : INLINE_SMI_CHECK;
   if (instr->is_in_object()) {
     __ sw(value, FieldMemOperand(object, offset));
     if (instr->hydrogen()->NeedsWriteBarrier()) {
       // Update the write barrier for the object for in-object properties.
       __ RecordWriteField(object,
                           offset,
                           value,
                           scratch,
-                          kRAHasBeenSaved,
+                          GetRAState(),
                           kSaveFPRegs,
                           EMIT_REMEMBERED_SET,
                           check_needed);
     }
   } else {
     __ lw(scratch, FieldMemOperand(object, JSObject::kPropertiesOffset));
     __ sw(value, FieldMemOperand(scratch, offset));
     if (instr->hydrogen()->NeedsWriteBarrier()) {
       // Update the write barrier for the properties array.
       // object is used as a scratch register.
       __ RecordWriteField(scratch,
                           offset,
                           value,
                           object,
-                          kRAHasBeenSaved,
+                          GetRAState(),
                           kSaveFPRegs,
                           EMIT_REMEMBERED_SET,
                           check_needed);
     }
   }
 }
 
 
 void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) {
   ASSERT(ToRegister(instr->object()).is(a1));
@@ skipping 190 matching lines @@
 
   if (instr->hydrogen()->NeedsWriteBarrier()) {
     HType type = instr->hydrogen()->value()->type();
     SmiCheck check_needed =
        type.IsHeapObject() ? OMIT_SMI_CHECK : INLINE_SMI_CHECK;
     // Compute address of modified element and store it into key register.
     __ Addu(key, store_base, Operand(offset - kHeapObjectTag));
     __ RecordWrite(elements,
                    key,
                    value,
-                   kRAHasBeenSaved,
+                   GetRAState(),
                    kSaveFPRegs,
                    EMIT_REMEMBERED_SET,
                    check_needed);
   }
 }
 
 
 void LCodeGen::DoStoreKeyed(LStoreKeyed* instr) {
   // By cases: external, fast double
   if (instr->is_external()) {
@@ skipping 30 matching lines @@
   Label not_applicable;
   __ lw(scratch, FieldMemOperand(object_reg, HeapObject::kMapOffset));
   __ Branch(&not_applicable, ne, scratch, Operand(from_map));
 
   if (IsSimpleMapChangeTransition(from_kind, to_kind)) {
     Register new_map_reg = ToRegister(instr->new_map_temp());
     __ li(new_map_reg, Operand(to_map));
     __ sw(new_map_reg, FieldMemOperand(object_reg, HeapObject::kMapOffset));
     // Write barrier.
     __ RecordWriteField(object_reg, HeapObject::kMapOffset, new_map_reg,
-                        scratch, kRAHasBeenSaved, kDontSaveFPRegs);
+                        scratch, GetRAState(), kDontSaveFPRegs);
   } else if (FLAG_compiled_transitions) {
     PushSafepointRegistersScope scope(this, Safepoint::kWithRegisters);
     __ mov(a0, object_reg);
     __ li(a1, Operand(to_map));
     TransitionElementsKindStub stub(from_kind, to_kind);
     __ CallStub(&stub);
     RecordSafepointWithRegisters(
         instr->pointer_map(), 0, Safepoint::kNoLazyDeopt);
   } else if (IsFastSmiElementsKind(from_kind) &&
              IsFastDoubleElementsKind(to_kind)) {
@@ skipping 1764 matching lines @@
   __ Subu(scratch, result, scratch);
   __ lw(result, FieldMemOperand(scratch,
                                 FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal