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Unified Diff: src/assembler.cc

Issue 2039233005: Consider reloc info mode when merging constant pool entries Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 6 months ago
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Index: src/assembler.cc
diff --git a/src/assembler.cc b/src/assembler.cc
index 553e37da40e125c0c22f4d7de5eac3aacf44e5d4..120b087869aa7c01f9ca618eb06c86c180bafc25 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -819,6 +819,8 @@ const char* RelocInfo::RelocModeName(RelocInfo::Mode rmode) {
return "no reloc 32";
case NONE64:
return "no reloc 64";
+ case NONEINTPTR:
+ return "no reloc intptr";
case EMBEDDED_OBJECT:
return "embedded object";
case DEBUGGER_STATEMENT:
@@ -966,6 +968,7 @@ void RelocInfo::Verify(Isolate* isolate) {
case WASM_MEMORY_SIZE_REFERENCE:
case NONE32:
case NONE64:
+ case NONEINTPTR:
break;
case NUMBER_OF_MODES:
case PC_JUMP:
@@ -1918,12 +1921,10 @@ ConstantPoolEntry::Access ConstantPoolBuilder::NextAccess(
return ConstantPoolEntry::REGULAR;
}
-
ConstantPoolEntry::Access ConstantPoolBuilder::AddEntry(
- ConstantPoolEntry& entry, ConstantPoolEntry::Type type) {
+ ConstantPoolEntry& entry) {
DCHECK(!emitted_label_.is_bound());
- PerTypeEntryInfo& info = info_[type];
- const int entry_size = ConstantPoolEntry::size(type);
+ PerTypeEntryInfo& info = info_[entry.type()];
bool merged = false;
if (entry.sharing_ok()) {
@@ -1931,8 +1932,7 @@ ConstantPoolEntry::Access ConstantPoolBuilder::AddEntry(
std::vector<ConstantPoolEntry>::iterator it = info.shared_entries.begin();
int end = static_cast<int>(info.shared_entries.size());
for (int i = 0; i < end; i++, it++) {
- if ((entry_size == kPointerSize) ? entry.value() == it->value()
- : entry.value64() == it->value64()) {
+ if (entry.MayBeMergedWith(*it)) {
// Merge with found entry.
entry.set_merged_index(i);
merged = true;
@@ -1944,7 +1944,7 @@ ConstantPoolEntry::Access ConstantPoolBuilder::AddEntry(
// By definition, merged entries have regular access.
DCHECK(!merged || entry.merged_index() < info.regular_count);
ConstantPoolEntry::Access access =
- (merged ? ConstantPoolEntry::REGULAR : NextAccess(type));
+ (merged ? ConstantPoolEntry::REGULAR : NextAccess(entry.type()));
// Enforce an upper bound on search time by limiting the search to
// unique sharable entries which fit in the regular section.
@@ -1972,7 +1972,7 @@ void ConstantPoolBuilder::EmitSharedEntries(Assembler* assm,
ConstantPoolEntry::Type type) {
PerTypeEntryInfo& info = info_[type];
std::vector<ConstantPoolEntry>& shared_entries = info.shared_entries;
- const int entry_size = ConstantPoolEntry::size(type);
+ const int entry_size = ConstantPoolEntry::SizeOfType(type);
int base = emitted_label_.pos();
DCHECK(base > 0);
int shared_end = static_cast<int>(shared_entries.size());
@@ -2001,7 +2001,7 @@ void ConstantPoolBuilder::EmitGroup(Assembler* assm,
const bool overflow = info.overflow();
std::vector<ConstantPoolEntry>& entries = info.entries;
std::vector<ConstantPoolEntry>& shared_entries = info.shared_entries;
- const int entry_size = ConstantPoolEntry::size(type);
+ const int entry_size = ConstantPoolEntry::SizeOfType(type);
int base = emitted_label_.pos();
DCHECK(base > 0);
int begin;
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