src/heap/heap.cc - Issue 980573002: Simplify and compact transitions storage

Unified Diff: src/heap/heap.cc

Issue 980573002: Simplify and compact transitions storage (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: fix -Werror=pedantic ( rebase Created 5 years, 10 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View side-by-side diff with in-line comments

Download patch

Index: src/heap/heap.cc

diff --git a/src/heap/heap.cc b/src/heap/heap.cc

index 7c9130d41a9c92286da176f8eebbeea2e5120ad6..9b7141e09a1d4475dc2252365001134993a35a92 100644

--- a/src/heap/heap.cc

+++ b/src/heap/heap.cc

@@ -2476,7 +2476,7 @@ AllocationResult Heap::AllocateMap(InstanceType instance_type,

map->set_dependent_code(DependentCode::cast(empty_fixed_array()),

SKIP_WRITE_BARRIER);

map->set_weak_cell_cache(Smi::FromInt(0));

- map->init_transitions(undefined_value());

+ map->set_raw_transitions(Smi::FromInt(0));

map->set_unused_property_fields(0);

map->set_instance_descriptors(empty_descriptor_array());

if (FLAG_unbox_double_fields) {

@@ -2610,7 +2610,7 @@ bool Heap::CreateInitialMaps() {

// Fix the instance_descriptors for the existing maps.

meta_map()->set_code_cache(empty_fixed_array());

meta_map()->set_dependent_code(DependentCode::cast(empty_fixed_array()));

- meta_map()->init_transitions(undefined_value());

+ meta_map()->set_raw_transitions(Smi::FromInt(0));

meta_map()->set_instance_descriptors(empty_descriptor_array());

if (FLAG_unbox_double_fields) {

meta_map()->set_layout_descriptor(LayoutDescriptor::FastPointerLayout());

@@ -2619,7 +2619,7 @@ bool Heap::CreateInitialMaps() {

fixed_array_map()->set_code_cache(empty_fixed_array());

fixed_array_map()->set_dependent_code(

DependentCode::cast(empty_fixed_array()));

- fixed_array_map()->init_transitions(undefined_value());

+ fixed_array_map()->set_raw_transitions(Smi::FromInt(0));

fixed_array_map()->set_instance_descriptors(empty_descriptor_array());

if (FLAG_unbox_double_fields) {

fixed_array_map()->set_layout_descriptor(

@@ -2628,7 +2628,7 @@ bool Heap::CreateInitialMaps() {

undefined_map()->set_code_cache(empty_fixed_array());

undefined_map()->set_dependent_code(DependentCode::cast(empty_fixed_array()));

- undefined_map()->init_transitions(undefined_value());

+ undefined_map()->set_raw_transitions(Smi::FromInt(0));

undefined_map()->set_instance_descriptors(empty_descriptor_array());

if (FLAG_unbox_double_fields) {

undefined_map()->set_layout_descriptor(

@@ -2637,7 +2637,7 @@ bool Heap::CreateInitialMaps() {

null_map()->set_code_cache(empty_fixed_array());

null_map()->set_dependent_code(DependentCode::cast(empty_fixed_array()));

- null_map()->init_transitions(undefined_value());

+ null_map()->set_raw_transitions(Smi::FromInt(0));

null_map()->set_instance_descriptors(empty_descriptor_array());

if (FLAG_unbox_double_fields) {

null_map()->set_layout_descriptor(LayoutDescriptor::FastPointerLayout());

@@ -2646,7 +2646,7 @@ bool Heap::CreateInitialMaps() {

constant_pool_array_map()->set_code_cache(empty_fixed_array());

constant_pool_array_map()->set_dependent_code(

DependentCode::cast(empty_fixed_array()));

- constant_pool_array_map()->init_transitions(undefined_value());

+ constant_pool_array_map()->set_raw_transitions(Smi::FromInt(0));

constant_pool_array_map()->set_instance_descriptors(empty_descriptor_array());

if (FLAG_unbox_double_fields) {

constant_pool_array_map()->set_layout_descriptor(

« no previous file with comments | « src/heap-snapshot-generator.cc ('k') | src/heap/mark-compact.h » ('j') | no next file with comments »