Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1368)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: test/cctest/test-constantpool.cc

Issue 1162993006: Add support for Embedded Constant Pools for PPC and Arm (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 6 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
« src/objects.h ('K') | « test/cctest/test-compiler.cc ('k') | test/cctest/test-reloc-info.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: test/cctest/test-constantpool.cc
diff --git a/test/cctest/test-constantpool.cc b/test/cctest/test-constantpool.cc
index 4592074742b833fdee16bf3808527f23757e8a3f..ce3abb0edb7c650a4425c4c50ad5ed7bfe42b9cc 100644
--- a/test/cctest/test-constantpool.cc
+++ b/test/cctest/test-constantpool.cc
@@ -1,337 +1,247 @@
-// Copyright 2013 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
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Test constant pool array code.
+// Copyright 2015 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Test embedded constant pool builder code.
#include "src/v8.h"
-#include "src/factory.h"
-#include "src/objects.h"
+#include "src/assembler.h"
#include "test/cctest/cctest.h"
using namespace v8::internal;
-static ConstantPoolArray::Type kTypes[] = { ConstantPoolArray::INT64,
- ConstantPoolArray::CODE_PTR,
- ConstantPoolArray::HEAP_PTR,
- ConstantPoolArray::INT32 };
-static ConstantPoolArray::LayoutSection kSmall =
- ConstantPoolArray::SMALL_SECTION;
-static ConstantPoolArray::LayoutSection kExtended =
- ConstantPoolArray::EXTENDED_SECTION;
-
-Code* DummyCode(LocalContext* context) {
- CompileRun("function foo() {};");
- i::Handle<i::JSFunction> fun = v8::Utils::OpenHandle(
- *v8::Local<v8::Function>::Cast(
- (*context)->Global()->Get(v8_str("foo"))));
- return fun->code();
-}
+const ConstantPoolEntry::Type kPtrType = ConstantPoolEntry::INTPTR;
+const ConstantPoolEntry::Type kDblType = ConstantPoolEntry::DOUBLE;
+const ConstantPoolEntry::Access kRegAccess = ConstantPoolEntry::REGULAR;
+const ConstantPoolEntry::Access kOvflAccess = ConstantPoolEntry::OVERFLOWED;
+const int kReachBits = 6; // Use reach of 64-bytes to test overflow.
+const int kReach = 1 << kReachBits;
-TEST(ConstantPoolSmall) {
- LocalContext context;
- Isolate* isolate = CcTest::i_isolate();
- Factory* factory = isolate->factory();
- v8::HandleScope scope(context->GetIsolate());
- // Check construction.
- ConstantPoolArray::NumberOfEntries small(3, 1, 2, 1);
- Handle<ConstantPoolArray> array = factory->NewConstantPoolArray(small);
+TEST(ConstantPoolPointers) {
+ ConstantPoolBuilder builder(kReachBits, kReachBits);
+ const int kRegularCount = kReach / kPointerSize;
+ ConstantPoolEntry::Access access;
+ int pos = 0;
+ intptr_t value = 0;
+ bool sharing_ok = true;
- int expected_counts[] = { 3, 1, 2, 1 };
- int expected_first_idx[] = { 0, 3, 4, 6 };
- int expected_last_idx[] = { 2, 3, 5, 6 };
- for (int i = 0; i < 4; i++) {
- CHECK_EQ(expected_counts[i], array->number_of_entries(kTypes[i], kSmall));
- CHECK_EQ(expected_first_idx[i], array->first_index(kTypes[i], kSmall));
- CHECK_EQ(expected_last_idx[i], array->last_index(kTypes[i], kSmall));
+ CHECK(builder.IsEmpty());
+ while (builder.NextAccess(kPtrType) == kRegAccess) {
+ access = builder.AddEntry(pos++, value++, sharing_ok);
+ CHECK_EQ(access, kRegAccess);
}
- CHECK(!array->is_extended_layout());
-
- // Check getters and setters.
- int64_t big_number = V8_2PART_UINT64_C(0x12345678, 9ABCDEF0);
- Handle<Object> object = factory->NewHeapNumber(4.0, IMMUTABLE, TENURED);
- Code* code = DummyCode(&context);
- array->set(0, big_number);
- array->set(1, 0.5);
- array->set(2, 3e-24);
- array->set(3, code->entry());
- array->set(4, code);
- array->set(5, *object);
- array->set(6, 50);
- CHECK_EQ(big_number, array->get_int64_entry(0));
- CHECK_EQ(0.5, array->get_int64_entry_as_double(1));
- CHECK_EQ(3e-24, array->get_int64_entry_as_double(2));
- CHECK_EQ(code->entry(), array->get_code_ptr_entry(3));
- CHECK_EQ(code, array->get_heap_ptr_entry(4));
- CHECK_EQ(*object, array->get_heap_ptr_entry(5));
- CHECK_EQ(50, array->get_int32_entry(6));
+ CHECK(!builder.IsEmpty());
+ CHECK_EQ(pos, kRegularCount);
+
+ access = builder.AddEntry(pos, value, sharing_ok);
+ CHECK_EQ(access, kOvflAccess);
}
-TEST(ConstantPoolExtended) {
- LocalContext context;
- Isolate* isolate = CcTest::i_isolate();
- Factory* factory = isolate->factory();
- v8::HandleScope scope(context->GetIsolate());
-
- // Check construction.
- ConstantPoolArray::NumberOfEntries small(1, 2, 3, 4);
- ConstantPoolArray::NumberOfEntries extended(5, 6, 7, 8);
- Handle<ConstantPoolArray> array =
- factory->NewExtendedConstantPoolArray(small, extended);
-
- // Check small section.
- int small_counts[] = { 1, 2, 3, 4 };
- int small_first_idx[] = { 0, 1, 3, 6 };
- int small_last_idx[] = { 0, 2, 5, 9 };
- for (int i = 0; i < 4; i++) {
- CHECK_EQ(small_counts[i], array->number_of_entries(kTypes[i], kSmall));
- CHECK_EQ(small_first_idx[i], array->first_index(kTypes[i], kSmall));
- CHECK_EQ(small_last_idx[i], array->last_index(kTypes[i], kSmall));
- }
+TEST(ConstantPoolDoubles) {
+ ConstantPoolBuilder builder(kReachBits, kReachBits);
+ const int kRegularCount = kReach / kDoubleSize;
+ ConstantPoolEntry::Access access;
+ int pos = 0;
+ double value = 0.0;
- // Check extended layout.
- CHECK(array->is_extended_layout());
- int extended_counts[] = { 5, 6, 7, 8 };
- int extended_first_idx[] = { 10, 15, 21, 28 };
- int extended_last_idx[] = { 14, 20, 27, 35 };
- for (int i = 0; i < 4; i++) {
- CHECK_EQ(extended_counts[i],
- array->number_of_entries(kTypes[i], kExtended));
- CHECK_EQ(extended_first_idx[i], array->first_index(kTypes[i], kExtended));
- CHECK_EQ(extended_last_idx[i], array->last_index(kTypes[i], kExtended));
+ CHECK(builder.IsEmpty());
+ while (builder.NextAccess(kDblType) == kRegAccess) {
+ access = builder.AddEntry(pos++, value);
+ value += 0.5;
+ CHECK_EQ(access, kRegAccess);
}
+ CHECK(!builder.IsEmpty());
+ CHECK_EQ(pos, kRegularCount);
- // Check small and large section's don't overlap.
- int64_t small_section_int64 = V8_2PART_UINT64_C(0x56781234, DEF09ABC);
- Code* small_section_code_ptr = DummyCode(&context);
- Handle<Object> small_section_heap_ptr =
- factory->NewHeapNumber(4.0, IMMUTABLE, TENURED);
- int32_t small_section_int32 = 0xab12cd45;
-
- int64_t extended_section_int64 = V8_2PART_UINT64_C(0x12345678, 9ABCDEF0);
- Code* extended_section_code_ptr = DummyCode(&context);
- Handle<Object> extended_section_heap_ptr =
- factory->NewHeapNumber(5.0, IMMUTABLE, TENURED);
- int32_t extended_section_int32 = 0xef67ab89;
-
- for (int i = array->first_index(ConstantPoolArray::INT64, kSmall);
- i <= array->last_index(ConstantPoolArray::INT32, kSmall); i++) {
- if (i <= array->last_index(ConstantPoolArray::INT64, kSmall)) {
- array->set(i, small_section_int64);
- } else if (i <= array->last_index(ConstantPoolArray::CODE_PTR, kSmall)) {
- array->set(i, small_section_code_ptr->entry());
- } else if (i <= array->last_index(ConstantPoolArray::HEAP_PTR, kSmall)) {
- array->set(i, *small_section_heap_ptr);
- } else {
- CHECK(i <= array->last_index(ConstantPoolArray::INT32, kSmall));
- array->set(i, small_section_int32);
- }
- }
- for (int i = array->first_index(ConstantPoolArray::INT64, kExtended);
- i <= array->last_index(ConstantPoolArray::INT32, kExtended); i++) {
- if (i <= array->last_index(ConstantPoolArray::INT64, kExtended)) {
- array->set(i, extended_section_int64);
- } else if (i <= array->last_index(ConstantPoolArray::CODE_PTR, kExtended)) {
- array->set(i, extended_section_code_ptr->entry());
- } else if (i <= array->last_index(ConstantPoolArray::HEAP_PTR, kExtended)) {
- array->set(i, *extended_section_heap_ptr);
- } else {
- CHECK(i <= array->last_index(ConstantPoolArray::INT32, kExtended));
- array->set(i, extended_section_int32);
- }
- }
+ access = builder.AddEntry(pos, value);
+ CHECK_EQ(access, kOvflAccess);
+}
- for (int i = array->first_index(ConstantPoolArray::INT64, kSmall);
- i <= array->last_index(ConstantPoolArray::INT32, kSmall); i++) {
- if (i <= array->last_index(ConstantPoolArray::INT64, kSmall)) {
- CHECK_EQ(small_section_int64, array->get_int64_entry(i));
- } else if (i <= array->last_index(ConstantPoolArray::CODE_PTR, kSmall)) {
- CHECK_EQ(small_section_code_ptr->entry(), array->get_code_ptr_entry(i));
- } else if (i <= array->last_index(ConstantPoolArray::HEAP_PTR, kSmall)) {
- CHECK_EQ(*small_section_heap_ptr, array->get_heap_ptr_entry(i));
- } else {
- CHECK(i <= array->last_index(ConstantPoolArray::INT32, kSmall));
- CHECK_EQ(small_section_int32, array->get_int32_entry(i));
- }
- }
- for (int i = array->first_index(ConstantPoolArray::INT64, kExtended);
- i <= array->last_index(ConstantPoolArray::INT32, kExtended); i++) {
- if (i <= array->last_index(ConstantPoolArray::INT64, kExtended)) {
- CHECK_EQ(extended_section_int64, array->get_int64_entry(i));
- } else if (i <= array->last_index(ConstantPoolArray::CODE_PTR, kExtended)) {
- CHECK_EQ(extended_section_code_ptr->entry(),
- array->get_code_ptr_entry(i));
- } else if (i <= array->last_index(ConstantPoolArray::HEAP_PTR, kExtended)) {
- CHECK_EQ(*extended_section_heap_ptr, array->get_heap_ptr_entry(i));
+
+TEST(ConstantPoolMixedTypes) {
+ ConstantPoolBuilder builder(kReachBits, kReachBits);
+ const int kRegularCount = (((kReach / (kDoubleSize + kPointerSize)) * 2) +
+ ((kPointerSize < kDoubleSize) ? 1 : 0));
+ ConstantPoolEntry::Type type = kPtrType;
+ ConstantPoolEntry::Access access;
+ int pos = 0;
+ intptr_t ptrValue = 0;
+ double dblValue = 0.0;
+ bool sharing_ok = true;
+
+ CHECK(builder.IsEmpty());
+ while (builder.NextAccess(type) == kRegAccess) {
+ if (type == kPtrType) {
+ access = builder.AddEntry(pos++, ptrValue++, sharing_ok);
+ type = kDblType;
} else {
- CHECK(i <= array->last_index(ConstantPoolArray::INT32, kExtended));
- CHECK_EQ(extended_section_int32, array->get_int32_entry(i));
+ access = builder.AddEntry(pos++, dblValue);
+ dblValue += 0.5;
+ type = kPtrType;
}
+ CHECK_EQ(access, kRegAccess);
}
+ CHECK(!builder.IsEmpty());
+ CHECK_EQ(pos, kRegularCount);
+
+ access = builder.AddEntry(pos++, ptrValue, sharing_ok);
+ CHECK_EQ(access, kOvflAccess);
+ access = builder.AddEntry(pos, dblValue);
+ CHECK_EQ(access, kOvflAccess);
}
-static void CheckIterator(Handle<ConstantPoolArray> array,
- ConstantPoolArray::Type type,
- int expected_indexes[],
- int count) {
- int i = 0;
- ConstantPoolArray::Iterator iter(*array, type);
- while (!iter.is_finished()) {
- CHECK_EQ(expected_indexes[i++], iter.next_index());
+TEST(ConstantPoolMixedReach) {
+ const int ptrReachBits = kReachBits + 2;
+ const int ptrReach = 1 << ptrReachBits;
+ const int dblReachBits = kReachBits;
+ const int dblReach = kReach;
+ const int dblRegularCount =
+ Min(dblReach / kDoubleSize, ptrReach / (kDoubleSize + kPointerSize));
+ const int ptrRegularCount =
+ ((ptrReach - (dblRegularCount * (kDoubleSize + kPointerSize))) /
+ kPointerSize) +
+ dblRegularCount;
+ ConstantPoolBuilder builder(ptrReachBits, dblReachBits);
+ ConstantPoolEntry::Access access;
+ int pos = 0;
+ intptr_t ptrValue = 0;
+ double dblValue = 0.0;
+ bool sharing_ok = true;
+ int ptrCount = 0;
+ int dblCount = 0;
+
+ CHECK(builder.IsEmpty());
+ while (builder.NextAccess(kDblType) == kRegAccess) {
+ access = builder.AddEntry(pos++, dblValue);
+ dblValue += 0.5;
+ dblCount++;
+ CHECK_EQ(access, kRegAccess);
+
+ access = builder.AddEntry(pos++, ptrValue++, sharing_ok);
+ ptrCount++;
+ CHECK_EQ(access, kRegAccess);
}
- CHECK_EQ(count, i);
-}
+ CHECK(!builder.IsEmpty());
+ CHECK_EQ(dblCount, dblRegularCount);
+ while (ptrCount < ptrRegularCount) {
+ access = builder.AddEntry(pos++, dblValue);
+ dblValue += 0.5;
+ CHECK_EQ(access, kOvflAccess);
-TEST(ConstantPoolIteratorSmall) {
- LocalContext context;
- Isolate* isolate = CcTest::i_isolate();
- Factory* factory = isolate->factory();
- v8::HandleScope scope(context->GetIsolate());
-
- ConstantPoolArray::NumberOfEntries small(1, 5, 2, 0);
- Handle<ConstantPoolArray> array = factory->NewConstantPoolArray(small);
+ access = builder.AddEntry(pos++, ptrValue++, sharing_ok);
+ ptrCount++;
+ CHECK_EQ(access, kRegAccess);
+ }
+ CHECK_EQ(builder.NextAccess(kPtrType), kOvflAccess);
- int expected_int64_indexs[] = { 0 };
- CheckIterator(array, ConstantPoolArray::INT64, expected_int64_indexs, 1);
- int expected_code_indexs[] = { 1, 2, 3, 4, 5 };
- CheckIterator(array, ConstantPoolArray::CODE_PTR, expected_code_indexs, 5);
- int expected_heap_indexs[] = { 6, 7 };
- CheckIterator(array, ConstantPoolArray::HEAP_PTR, expected_heap_indexs, 2);
- int expected_int32_indexs[1];
- CheckIterator(array, ConstantPoolArray::INT32, expected_int32_indexs, 0);
+ access = builder.AddEntry(pos++, ptrValue, sharing_ok);
+ CHECK_EQ(access, kOvflAccess);
+ access = builder.AddEntry(pos, dblValue);
+ CHECK_EQ(access, kOvflAccess);
}
-TEST(ConstantPoolIteratorExtended) {
- LocalContext context;
- Isolate* isolate = CcTest::i_isolate();
- Factory* factory = isolate->factory();
- v8::HandleScope scope(context->GetIsolate());
-
- ConstantPoolArray::NumberOfEntries small(1, 0, 0, 4);
- ConstantPoolArray::NumberOfEntries extended(5, 0, 3, 0);
- Handle<ConstantPoolArray> array =
- factory->NewExtendedConstantPoolArray(small, extended);
-
- int expected_int64_indexs[] = { 0, 5, 6, 7, 8, 9 };
- CheckIterator(array, ConstantPoolArray::INT64, expected_int64_indexs, 6);
- int expected_code_indexs[1];
- CheckIterator(array, ConstantPoolArray::CODE_PTR, expected_code_indexs, 0);
- int expected_heap_indexs[] = { 10, 11, 12 };
- CheckIterator(array, ConstantPoolArray::HEAP_PTR, expected_heap_indexs, 3);
- int expected_int32_indexs[] = { 1, 2, 3, 4 };
- CheckIterator(array, ConstantPoolArray::INT32, expected_int32_indexs, 4);
-}
+TEST(ConstantPoolSharing) {
+ ConstantPoolBuilder builder(kReachBits, kReachBits);
+ const int kRegularCount = (((kReach / (kDoubleSize + kPointerSize)) * 2) +
+ ((kPointerSize < kDoubleSize) ? 1 : 0));
+ ConstantPoolEntry::Access access;
+ CHECK(builder.IsEmpty());
-TEST(ConstantPoolPreciseGC) {
- LocalContext context;
- Isolate* isolate = CcTest::i_isolate();
- Heap* heap = isolate->heap();
- Factory* factory = isolate->factory();
- v8::HandleScope scope(context->GetIsolate());
-
- ConstantPoolArray::NumberOfEntries small(1, 0, 0, 1);
- Handle<ConstantPoolArray> array = factory->NewConstantPoolArray(small);
-
- // Check that the store buffer knows which entries are pointers and which are
- // not. To do this, make non-pointer entries which look like new space
- // pointers but are actually invalid and ensure the GC doesn't try to move
- // them.
- Handle<HeapObject> object = factory->NewHeapNumber(4.0);
- Object* raw_ptr = *object;
- // If interpreted as a pointer, this should be right inside the heap number
- // which will cause a crash when trying to lookup the 'map' pointer.
- intptr_t invalid_ptr = reinterpret_cast<intptr_t>(raw_ptr) + kInt32Size;
- int32_t invalid_ptr_int32 = static_cast<int32_t>(invalid_ptr);
- int64_t invalid_ptr_int64 = static_cast<int64_t>(invalid_ptr);
- array->set(0, invalid_ptr_int64);
- array->set(1, invalid_ptr_int32);
-
- // Ensure we perform a scan on scavenge for the constant pool's page.
- MemoryChunk::FromAddress(array->address())->set_scan_on_scavenge(true);
- heap->CollectGarbage(NEW_SPACE);
-
- // Check the object was moved by GC.
- CHECK_NE(*object, raw_ptr);
-
- // Check the non-pointer entries weren't changed.
- CHECK_EQ(invalid_ptr_int64, array->get_int64_entry(0));
- CHECK_EQ(invalid_ptr_int32, array->get_int32_entry(1));
+ ConstantPoolEntry::Type type = kPtrType;
+ int pos = 0;
+ intptr_t ptrValue = 0;
+ double dblValue = 0.0;
+ bool sharing_ok = true;
+ while (builder.NextAccess(type) == kRegAccess) {
+ if (type == kPtrType) {
+ access = builder.AddEntry(pos++, ptrValue++, sharing_ok);
+ type = kDblType;
+ } else {
+ access = builder.AddEntry(pos++, dblValue);
+ dblValue += 0.5;
+ type = kPtrType;
+ }
+ CHECK_EQ(access, kRegAccess);
+ }
+ CHECK(!builder.IsEmpty());
+ CHECK_EQ(pos, kRegularCount);
+
+ type = kPtrType;
+ ptrValue = 0;
+ dblValue = 0.0;
+ while (pos < kRegularCount * 2) {
+ if (type == kPtrType) {
+ access = builder.AddEntry(pos++, ptrValue++, sharing_ok);
+ type = kDblType;
+ } else {
+ access = builder.AddEntry(pos++, dblValue);
+ dblValue += 0.5;
+ type = kPtrType;
+ }
+ CHECK_EQ(access, kRegAccess);
+ }
+
+ access = builder.AddEntry(pos++, ptrValue, sharing_ok);
+ CHECK_EQ(access, kOvflAccess);
+ access = builder.AddEntry(pos, dblValue);
+ CHECK_EQ(access, kOvflAccess);
}
-TEST(ConstantPoolCompacting) {
- if (i::FLAG_never_compact) return;
- i::FLAG_always_compact = true;
- LocalContext context;
- Isolate* isolate = CcTest::i_isolate();
- Heap* heap = isolate->heap();
- Factory* factory = isolate->factory();
- v8::HandleScope scope(context->GetIsolate());
-
- ConstantPoolArray::NumberOfEntries small(0, 0, 1, 0);
- ConstantPoolArray::NumberOfEntries extended(0, 0, 1, 0);
- Handle<ConstantPoolArray> array =
- factory->NewExtendedConstantPoolArray(small, extended);
-
- // Start a second old-space page so that the heap pointer added to the
- // constant pool array ends up on the an evacuation candidate page.
- Page* first_page = heap->old_space()->anchor()->next_page();
- {
- HandleScope scope(isolate);
- int dummy_array_size = Page::kMaxRegularHeapObjectSize - 92 * KB;
- Handle<HeapObject> temp =
- factory->NewFixedDoubleArray(dummy_array_size / kDoubleSize, TENURED);
- CHECK(heap->InOldSpace(temp->address()));
- Handle<HeapObject> heap_ptr =
- factory->NewHeapNumber(5.0, IMMUTABLE, TENURED);
- CHECK(heap->InOldSpace(heap_ptr->address()));
- CHECK(!first_page->Contains(heap_ptr->address()));
- array->set(0, *heap_ptr);
- array->set(1, *heap_ptr);
- }
+TEST(ConstantPoolNoSharing) {
+ ConstantPoolBuilder builder(kReachBits, kReachBits);
+ const int kRegularCount = (((kReach / (kDoubleSize + kPointerSize)) * 2) +
+ ((kPointerSize < kDoubleSize) ? 1 : 0));
+ ConstantPoolEntry::Access access;
- // Check heap pointers are correctly updated on GC.
- Object* old_ptr = array->get_heap_ptr_entry(0);
- Handle<Object> object(old_ptr, isolate);
- CHECK_EQ(old_ptr, *object);
- CHECK_EQ(old_ptr, array->get_heap_ptr_entry(1));
+ CHECK(builder.IsEmpty());
- // Force compacting garbage collection.
- CHECK(FLAG_always_compact);
- heap->CollectAllGarbage();
+ ConstantPoolEntry::Type type = kPtrType;
+ int pos = 0;
+ intptr_t ptrValue = 0;
+ double dblValue = 0.0;
+ bool sharing_ok = false;
+ while (builder.NextAccess(type) == kRegAccess) {
+ if (type == kPtrType) {
+ access = builder.AddEntry(pos++, ptrValue++, sharing_ok);
+ type = kDblType;
+ } else {
+ access = builder.AddEntry(pos++, dblValue);
+ dblValue += 0.5;
+ type = kPtrType;
+ }
+ CHECK_EQ(access, kRegAccess);
+ }
+ CHECK(!builder.IsEmpty());
+ CHECK_EQ(pos, kRegularCount);
+
+ type = kPtrType;
+ ptrValue = 0;
+ dblValue = 0.0;
+ sharing_ok = true;
+ while (pos < kRegularCount * 2) {
+ if (type == kPtrType) {
+ access = builder.AddEntry(pos++, ptrValue++, sharing_ok);
+ type = kDblType;
+ CHECK_EQ(access, kOvflAccess);
+ } else {
+ access = builder.AddEntry(pos++, dblValue);
+ dblValue += 0.5;
+ type = kPtrType;
+ CHECK_EQ(access, kRegAccess);
+ }
+ }
- CHECK_NE(old_ptr, *object);
- CHECK_EQ(*object, array->get_heap_ptr_entry(0));
- CHECK_EQ(*object, array->get_heap_ptr_entry(1));
+ access = builder.AddEntry(pos++, ptrValue, sharing_ok);
+ CHECK_EQ(access, kOvflAccess);
+ access = builder.AddEntry(pos, dblValue);
+ CHECK_EQ(access, kOvflAccess);
}
« src/objects.h ('K') | « test/cctest/test-compiler.cc ('k') | test/cctest/test-reloc-info.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698