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path: root/deps/v8/src/compiler/pipeline.cc
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Diffstat (limited to 'deps/v8/src/compiler/pipeline.cc')
-rw-r--r--deps/v8/src/compiler/pipeline.cc80
1 files changed, 57 insertions, 23 deletions
diff --git a/deps/v8/src/compiler/pipeline.cc b/deps/v8/src/compiler/pipeline.cc
index 3366d1db949..5717c70348e 100644
--- a/deps/v8/src/compiler/pipeline.cc
+++ b/deps/v8/src/compiler/pipeline.cc
@@ -40,6 +40,7 @@
#include "src/compiler/js-create-lowering.h"
#include "src/compiler/js-generic-lowering.h"
#include "src/compiler/js-heap-broker.h"
+#include "src/compiler/js-heap-copy-reducer.h"
#include "src/compiler/js-inlining-heuristic.h"
#include "src/compiler/js-intrinsic-lowering.h"
#include "src/compiler/js-native-context-specialization.h"
@@ -83,6 +84,7 @@
#include "src/register-configuration.h"
#include "src/utils.h"
#include "src/wasm/function-body-decoder.h"
+#include "src/wasm/wasm-engine.h"
namespace v8 {
namespace internal {
@@ -135,7 +137,7 @@ class PipelineData {
javascript_ = new (graph_zone_) JSOperatorBuilder(graph_zone_);
jsgraph_ = new (graph_zone_)
JSGraph(isolate_, graph_, common_, javascript_, simplified_, machine_);
- js_heap_broker_ = new (codegen_zone_) JSHeapBroker(isolate_);
+ js_heap_broker_ = new (codegen_zone_) JSHeapBroker(isolate_, codegen_zone_);
dependencies_ =
new (codegen_zone_) CompilationDependencies(isolate_, codegen_zone_);
}
@@ -146,7 +148,6 @@ class PipelineData {
PipelineStatistics* pipeline_statistics,
SourcePositionTable* source_positions,
NodeOriginTable* node_origins,
- WasmCompilationData* wasm_compilation_data,
int wasm_function_index,
const AssemblerOptions& assembler_options)
: isolate_(nullptr),
@@ -171,7 +172,6 @@ class PipelineData {
codegen_zone_(codegen_zone_scope_.zone()),
register_allocation_zone_scope_(zone_stats_, ZONE_NAME),
register_allocation_zone_(register_allocation_zone_scope_.zone()),
- wasm_compilation_data_(wasm_compilation_data),
assembler_options_(assembler_options) {}
// For machine graph testing entry point.
@@ -301,6 +301,10 @@ class PipelineData {
return jump_optimization_info_;
}
+ const AssemblerOptions& assembler_options() const {
+ return assembler_options_;
+ }
+
CodeTracer* GetCodeTracer() const {
return wasm_engine_ == nullptr ? isolate_->GetCodeTracer()
: wasm_engine_->GetCodeTracer();
@@ -393,8 +397,8 @@ class PipelineData {
code_generator_ = new CodeGenerator(
codegen_zone(), frame(), linkage, sequence(), info(), isolate(),
osr_helper_, start_source_position_, jump_optimization_info_,
- wasm_compilation_data_, info()->GetPoisoningMitigationLevel(),
- assembler_options_, info_->builtin_index());
+ info()->GetPoisoningMitigationLevel(), assembler_options_,
+ info_->builtin_index());
}
void BeginPhaseKind(const char* phase_kind_name) {
@@ -411,10 +415,6 @@ class PipelineData {
const char* debug_name() const { return debug_name_.get(); }
- WasmCompilationData* wasm_compilation_data() const {
- return wasm_compilation_data_;
- }
-
int wasm_function_index() const { return wasm_function_index_; }
private:
@@ -478,8 +478,6 @@ class PipelineData {
// Source position output for --trace-turbo.
std::string source_position_output_;
- WasmCompilationData* wasm_compilation_data_ = nullptr;
-
JumpOptimizationInfo* jump_optimization_info_ = nullptr;
AssemblerOptions assembler_options_;
@@ -527,7 +525,9 @@ class PipelineImpl final {
OptimizedCompilationInfo* info() const;
Isolate* isolate() const;
+ CodeGenerator* code_generator() const;
+ private:
PipelineData* const data_;
};
@@ -997,7 +997,6 @@ class PipelineWasmCompilationJob final : public OptimizedCompilationJob {
OptimizedCompilationInfo* info, wasm::WasmEngine* wasm_engine,
MachineGraph* mcgraph, CallDescriptor* call_descriptor,
SourcePositionTable* source_positions, NodeOriginTable* node_origins,
- WasmCompilationData* wasm_compilation_data,
wasm::FunctionBody function_body, wasm::WasmModule* wasm_module,
wasm::NativeModule* native_module, int function_index, bool asmjs_origin)
: OptimizedCompilationJob(kNoStackLimit, info, "TurboFan",
@@ -1007,7 +1006,7 @@ class PipelineWasmCompilationJob final : public OptimizedCompilationJob {
wasm_engine, function_body, wasm_module, info, &zone_stats_)),
data_(&zone_stats_, wasm_engine, info, mcgraph,
pipeline_statistics_.get(), source_positions, node_origins,
- wasm_compilation_data, function_index, WasmAssemblerOptions()),
+ function_index, WasmAssemblerOptions()),
pipeline_(&data_),
linkage_(call_descriptor),
native_module_(native_module),
@@ -1074,7 +1073,7 @@ PipelineWasmCompilationJob::ExecuteJobImpl() {
if (!pipeline_.SelectInstructions(&linkage_)) return FAILED;
pipeline_.AssembleCode(&linkage_);
- CodeGenerator* code_generator = pipeline_.data_->code_generator();
+ CodeGenerator* code_generator = pipeline_.code_generator();
CodeDesc code_desc;
code_generator->tasm()->GetCode(nullptr, &code_desc);
@@ -1083,7 +1082,7 @@ PipelineWasmCompilationJob::ExecuteJobImpl() {
code_generator->frame()->GetTotalFrameSlotCount(),
code_generator->GetSafepointTableOffset(),
code_generator->GetHandlerTableOffset(),
- data_.wasm_compilation_data()->GetProtectedInstructions(),
+ code_generator->GetProtectedInstructions(),
code_generator->GetSourcePositionTable(), wasm::WasmCode::kTurbofan);
if (data_.info()->trace_turbo_json_enabled()) {
@@ -1279,6 +1278,21 @@ struct UntyperPhase {
}
};
+struct CopyMetadataForConcurrentCompilePhase {
+ static const char* phase_name() {
+ return "copy metadata for concurrent compile";
+ }
+
+ void Run(PipelineData* data, Zone* temp_zone) {
+ GraphReducer graph_reducer(temp_zone, data->graph(),
+ data->jsgraph()->Dead());
+ JSHeapCopyReducer heap_copy_reducer(data->js_heap_broker());
+ AddReducer(data, &graph_reducer, &heap_copy_reducer);
+ graph_reducer.ReduceGraph();
+ data->js_heap_broker()->StopSerializing();
+ }
+};
+
struct TypedLoweringPhase {
static const char* phase_name() { return "typed lowering"; }
@@ -2015,15 +2029,20 @@ bool PipelineImpl::CreateGraph() {
Run<TyperPhase>(&typer);
RunPrintAndVerify(TyperPhase::phase_name());
+ // Do some hacky things to prepare for the optimization phase.
+ // (caching handles, etc.).
+ Run<ConcurrentOptimizationPrepPhase>();
+
+ if (FLAG_concurrent_compiler_frontend) {
+ data->js_heap_broker()->SerializeStandardObjects();
+ Run<CopyMetadataForConcurrentCompilePhase>();
+ }
+
// Lower JSOperators where we can determine types.
Run<TypedLoweringPhase>();
RunPrintAndVerify(TypedLoweringPhase::phase_name());
}
- // Do some hacky things to prepare for the optimization phase.
- // (caching handles, etc.).
- Run<ConcurrentOptimizationPrepPhase>();
-
data->EndPhaseKind();
return true;
@@ -2254,14 +2273,13 @@ OptimizedCompilationJob* Pipeline::NewWasmCompilationJob(
OptimizedCompilationInfo* info, wasm::WasmEngine* wasm_engine,
MachineGraph* mcgraph, CallDescriptor* call_descriptor,
SourcePositionTable* source_positions, NodeOriginTable* node_origins,
- WasmCompilationData* wasm_compilation_data,
wasm::FunctionBody function_body, wasm::WasmModule* wasm_module,
wasm::NativeModule* native_module, int function_index,
wasm::ModuleOrigin asmjs_origin) {
return new PipelineWasmCompilationJob(
info, wasm_engine, mcgraph, call_descriptor, source_positions,
- node_origins, wasm_compilation_data, function_body, wasm_module,
- native_module, function_index, asmjs_origin);
+ node_origins, function_body, wasm_module, native_module, function_index,
+ asmjs_origin);
}
bool Pipeline::AllocateRegistersForTesting(const RegisterConfiguration* config,
@@ -2271,8 +2289,8 @@ bool Pipeline::AllocateRegistersForTesting(const RegisterConfiguration* config,
Code::STUB);
ZoneStats zone_stats(sequence->isolate()->allocator());
PipelineData data(&zone_stats, &info, sequence->isolate(), sequence);
+ data.InitializeFrameData(nullptr);
PipelineImpl pipeline(&data);
- pipeline.data_->InitializeFrameData(nullptr);
pipeline.AllocateRegisters(config, nullptr, run_verifier);
return !data.compilation_failed();
}
@@ -2378,6 +2396,18 @@ bool PipelineImpl::SelectInstructions(Linkage* linkage) {
PoisoningMitigationLevel::kDontPoison) {
AllocateRegisters(RegisterConfiguration::Poisoning(), call_descriptor,
run_verifier);
+#if defined(V8_TARGET_ARCH_IA32) && defined(V8_EMBEDDED_BUILTINS)
+ } else if (data_->assembler_options().isolate_independent_code) {
+ // TODO(v8:6666): Extend support to user code. Ensure that
+ // it is mutually exclusive with the Poisoning configuration above; and that
+ // it cooperates with restricted allocatable registers above.
+ static_assert(kRootRegister == kSpeculationPoisonRegister,
+ "The following checks assume root equals poison register");
+ CHECK_IMPLIES(FLAG_embedded_builtins, !FLAG_branch_load_poisoning);
+ CHECK_IMPLIES(FLAG_embedded_builtins, !FLAG_untrusted_code_mitigations);
+ AllocateRegisters(RegisterConfiguration::PreserveRootIA32(),
+ call_descriptor, run_verifier);
+#endif // V8_TARGET_ARCH_IA32
} else {
AllocateRegisters(RegisterConfiguration::Default(), call_descriptor,
run_verifier);
@@ -2642,6 +2672,10 @@ OptimizedCompilationInfo* PipelineImpl::info() const { return data_->info(); }
Isolate* PipelineImpl::isolate() const { return data_->isolate(); }
+CodeGenerator* PipelineImpl::code_generator() const {
+ return data_->code_generator();
+}
+
} // namespace compiler
} // namespace internal
} // namespace v8
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-25 12:31:26 +0300