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Unified Diff: src/ic/arm/ic-compiler-arm.cc

Issue 1424153003: VectorICs: Remove --vector-stores flag. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Response to Hannes comment. Created 5 years, 1 month ago
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Index: src/ic/arm/ic-compiler-arm.cc
diff --git a/src/ic/arm/ic-compiler-arm.cc b/src/ic/arm/ic-compiler-arm.cc
index 9b8abd3298cd957c47df7ac3bc88fdc36058e30d..7427d16d482257fbaea4a077017aa4d7bbd7de78 100644
--- a/src/ic/arm/ic-compiler-arm.cc
+++ b/src/ic/arm/ic-compiler-arm.cc
@@ -27,108 +27,6 @@ void PropertyICCompiler::GenerateRuntimeSetProperty(
#undef __
-#define __ ACCESS_MASM(masm())
-
-
-Handle<Code> PropertyICCompiler::CompilePolymorphic(MapHandleList* maps,
- CodeHandleList* handlers,
- Handle<Name> name,
- Code::StubType type,
- IcCheckType check) {
- Label miss;
-
- if (check == PROPERTY &&
- (kind() == Code::KEYED_LOAD_IC || kind() == Code::KEYED_STORE_IC)) {
- // In case we are compiling an IC for dictionary loads or stores, just
- // check whether the name is unique.
- if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) {
- // Keyed loads with dictionaries shouldn't be here, they go generic.
- // The DCHECK is to protect assumptions when --vector-ics is on.
- DCHECK(kind() != Code::KEYED_LOAD_IC);
- Register tmp = scratch1();
- __ JumpIfSmi(this->name(), &miss);
- __ ldr(tmp, FieldMemOperand(this->name(), HeapObject::kMapOffset));
- __ ldrb(tmp, FieldMemOperand(tmp, Map::kInstanceTypeOffset));
- __ JumpIfNotUniqueNameInstanceType(tmp, &miss);
- } else {
- __ cmp(this->name(), Operand(name));
- __ b(ne, &miss);
- }
- }
-
- Label number_case;
- Label* smi_target = IncludesNumberMap(maps) ? &number_case : &miss;
- __ JumpIfSmi(receiver(), smi_target);
-
- // Polymorphic keyed stores may use the map register
- Register map_reg = scratch1();
- DCHECK(kind() != Code::KEYED_STORE_IC ||
- map_reg.is(StoreTransitionDescriptor::MapRegister()));
-
- int receiver_count = maps->length();
- int number_of_handled_maps = 0;
- __ ldr(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset));
- for (int current = 0; current < receiver_count; ++current) {
- Handle<Map> map = maps->at(current);
- if (!map->is_deprecated()) {
- number_of_handled_maps++;
- Handle<WeakCell> cell = Map::WeakCellForMap(map);
- __ CmpWeakValue(map_reg, cell, scratch2());
- if (map->instance_type() == HEAP_NUMBER_TYPE) {
- DCHECK(!number_case.is_unused());
- __ bind(&number_case);
- }
- __ Jump(handlers->at(current), RelocInfo::CODE_TARGET, eq);
- }
- }
- DCHECK(number_of_handled_maps != 0);
-
- __ bind(&miss);
- TailCallBuiltin(masm(), MissBuiltin(kind()));
-
- // Return the generated code.
- InlineCacheState state =
- number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC;
- return GetCode(kind(), type, name, state);
-}
-
-
-Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic(
- MapHandleList* receiver_maps, CodeHandleList* handler_stubs,
- MapHandleList* transitioned_maps) {
- Label miss;
- __ JumpIfSmi(receiver(), &miss);
-
- int receiver_count = receiver_maps->length();
- Register map_reg = scratch1();
- __ ldr(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset));
- for (int i = 0; i < receiver_count; ++i) {
- Handle<WeakCell> cell = Map::WeakCellForMap(receiver_maps->at(i));
- __ CmpWeakValue(map_reg, cell, scratch2());
- if (transitioned_maps->at(i).is_null()) {
- __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, eq);
- } else {
- Label next_map;
- __ b(ne, &next_map);
- Handle<WeakCell> cell = Map::WeakCellForMap(transitioned_maps->at(i));
- Register transition_map = scratch1();
- DCHECK(!FLAG_vector_stores &&
- transition_map.is(StoreTransitionDescriptor::MapRegister()));
- __ LoadWeakValue(transition_map, cell, &miss);
- __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, al);
- __ bind(&next_map);
- }
- }
-
- __ bind(&miss);
- TailCallBuiltin(masm(), MissBuiltin(kind()));
-
- // Return the generated code.
- return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC);
-}
-
-
-#undef __
} // namespace internal
} // namespace v8
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