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8264424: Support OopStorage bulk allocation

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Reviewed-by: ayang, tschatzl
This commit is contained in:
Kim Barrett 2021-04-07 19:43:19 +00:00
parent ab3be7286a
commit 22b20f8e92
4 changed files with 131 additions and 14 deletions
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27
test/hotspot/gtest/gc/shared/test_oopStorage.cpp
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@ -496,6 +496,33 @@ typedef OopStorageTestBlockRelease<false> OopStorageTestBlockReleaseUnsorted;
TEST_VM_F(OopStorageTestBlockReleaseSorted, block_release) {}
TEST_VM_F(OopStorageTestBlockReleaseUnsorted, block_release) {}
TEST_VM_F(OopStorageTest, bulk_allocation) {
static const size_t max_entries = 1000;
static const size_t zero = 0;
oop* entries[max_entries] = {};
AllocationList& allocation_list = TestAccess::allocation_list(_storage);
EXPECT_EQ(0u, empty_block_count(_storage));
size_t allocated = _storage.allocate(entries, max_entries);
ASSERT_NE(allocated, zero);
// ASSERT_LE would ODR-use the OopStorage constant.
size_t bulk_allocate_limit = OopStorage::bulk_allocate_limit;
ASSERT_LE(allocated, bulk_allocate_limit);
ASSERT_LE(allocated, max_entries);
for (size_t i = 0; i < allocated; ++i) {
EXPECT_EQ(OopStorage::ALLOCATED_ENTRY, _storage.allocation_status(entries[i]));
}
for (size_t i = allocated; i < max_entries; ++i) {
EXPECT_EQ(NULL, entries[i]);
}
_storage.release(entries, allocated);
EXPECT_EQ(0u, _storage.allocation_count());
for (size_t i = 0; i < allocated; ++i) {
EXPECT_EQ(OopStorage::UNALLOCATED_ENTRY, _storage.allocation_status(entries[i]));
}
}
#ifndef DISABLE_GARBAGE_ALLOCATION_STATUS_TESTS
TEST_VM_F(OopStorageTest, invalid_pointer) {
{