Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(150)

Unified Diff: src/arm/lithium-codegen-arm.cc

Issue 14738009: Ensure that soft-deopts don't count against opt_count (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Implement x64 and ARM, review feedback Created 7 years, 7 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/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index 627bc607e720bf78e43415e91e68c5737bc647e1..4f5ab57b78798843baff3d94424e45d65800802d 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -360,9 +360,7 @@ bool LCodeGen::GenerateDeoptJumpTable() {
for (int i = 0; i < deopt_jump_table_.length(); i++) {
__ bind(&deopt_jump_table_[i].label);
Address entry = deopt_jump_table_[i].address;
- bool is_lazy_deopt = deopt_jump_table_[i].is_lazy_deopt;
- Deoptimizer::BailoutType type =
- is_lazy_deopt ? Deoptimizer::LAZY : Deoptimizer::EAGER;
+ Deoptimizer::BailoutType type = deopt_jump_table_[i].bailout_type;
int id = Deoptimizer::GetDeoptimizationId(isolate(), entry, type);
if (id == Deoptimizer::kNotDeoptimizationEntry) {
Comment(";;; jump table entry %d.", i);
@@ -371,7 +369,7 @@ bool LCodeGen::GenerateDeoptJumpTable() {
}
if (deopt_jump_table_[i].needs_frame) {
__ mov(ip, Operand(ExternalReference::ForDeoptEntry(entry)));
- if (is_lazy_deopt) {
+ if (type == Deoptimizer::LAZY) {
if (needs_frame_is_call.is_bound()) {
__ b(&needs_frame_is_call);
} else {
@@ -404,7 +402,7 @@ bool LCodeGen::GenerateDeoptJumpTable() {
}
}
} else {
- if (is_lazy_deopt) {
+ if (type == Deoptimizer::LAZY) {
__ mov(lr, Operand(pc), LeaveCC, al);
__ mov(pc, Operand(ExternalReference::ForDeoptEntry(entry)));
} else {
@@ -833,14 +831,13 @@ void LCodeGen::RegisterEnvironmentForDeoptimization(LEnvironment* environment,
}
-void LCodeGen::DeoptimizeIf(Condition cc, LEnvironment* environment) {
+void LCodeGen::DeoptimizeIf(Condition cc,
+ LEnvironment* environment,
+ Deoptimizer::BailoutType bailout_type) {
RegisterEnvironmentForDeoptimization(environment, Safepoint::kNoLazyDeopt);
ASSERT(environment->HasBeenRegistered());
int id = environment->deoptimization_index();
ASSERT(info()->IsOptimizing() || info()->IsStub());
- Deoptimizer::BailoutType bailout_type = info()->IsStub()
- ? Deoptimizer::LAZY
- : Deoptimizer::EAGER;
Address entry =
Deoptimizer::GetDeoptimizationEntry(isolate(), id, bailout_type);
if (entry == NULL) {
@@ -873,9 +870,11 @@ void LCodeGen::DeoptimizeIf(Condition cc, LEnvironment* environment) {
// jump entry if this is the case.
if (deopt_jump_table_.is_empty() ||
(deopt_jump_table_.last().address != entry) ||
- (deopt_jump_table_.last().is_lazy_deopt != needs_lazy_deopt) ||
+ (deopt_jump_table_.last().bailout_type != bailout_type) ||
(deopt_jump_table_.last().needs_frame != !frame_is_built_)) {
- JumpTableEntry table_entry(entry, !frame_is_built_, needs_lazy_deopt);
+ Deoptimizer::JumpTableEntry table_entry(entry,
+ bailout_type,
+ !frame_is_built_);
deopt_jump_table_.Add(table_entry, zone());
}
__ b(cc, &deopt_jump_table_.last().label);
@@ -883,6 +882,21 @@ void LCodeGen::DeoptimizeIf(Condition cc, LEnvironment* environment) {
}
+void LCodeGen::DeoptimizeIf(Condition cc,
+ LEnvironment* environment) {
+ Deoptimizer::BailoutType bailout_type = info()->IsStub()
+ ? Deoptimizer::LAZY
+ : Deoptimizer::EAGER;
+ DeoptimizeIf(cc, environment, bailout_type);
+}
+
+
+void LCodeGen::SoftDeoptimize(LEnvironment* environment) {
+ ASSERT(!info()->IsStub());
+ DeoptimizeIf(al, environment, Deoptimizer::SOFT);
+}
+
+
void LCodeGen::RegisterDependentCodeForEmbeddedMaps(Handle<Code> code) {
ZoneList<Handle<Map> > maps(1, zone());
int mode_mask = RelocInfo::ModeMask(RelocInfo::EMBEDDED_OBJECT);
@@ -5722,7 +5736,11 @@ void LCodeGen::DoLazyBailout(LLazyBailout* instr) {
void LCodeGen::DoDeoptimize(LDeoptimize* instr) {
- DeoptimizeIf(al, instr->environment());
+ if (instr->hydrogen_value()->IsSoftDeoptimize()) {
+ SoftDeoptimize(instr->environment());
+ } else {
+ DeoptimizeIf(al, instr->environment());
+ }
}

Powered by Google App Engine
This is Rietveld 408576698