Revision f230a1cf deps/v8/src/ia32/lithium-codegen-ia32.h
| deps/v8/src/ia32/lithium-codegen-ia32.h | ||
|---|---|---|
| 33 | 33 |
#include "checks.h" |
| 34 | 34 |
#include "deoptimizer.h" |
| 35 | 35 |
#include "ia32/lithium-gap-resolver-ia32.h" |
| 36 |
#include "lithium-codegen.h" |
|
| 36 | 37 |
#include "safepoint-table.h" |
| 37 | 38 |
#include "scopes.h" |
| 38 | 39 |
#include "v8utils.h" |
| ... | ... | |
| 45 | 46 |
class LGapNode; |
| 46 | 47 |
class SafepointGenerator; |
| 47 | 48 |
|
| 48 |
class LCodeGen V8_FINAL BASE_EMBEDDED {
|
|
| 49 |
class LCodeGen: public LCodeGenBase {
|
|
| 49 | 50 |
public: |
| 50 | 51 |
LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info) |
| 51 |
: zone_(info->zone()), |
|
| 52 |
chunk_(static_cast<LPlatformChunk*>(chunk)), |
|
| 53 |
masm_(assembler), |
|
| 54 |
info_(info), |
|
| 55 |
current_block_(-1), |
|
| 56 |
current_instruction_(-1), |
|
| 57 |
instructions_(chunk->instructions()), |
|
| 52 |
: LCodeGenBase(chunk, assembler, info), |
|
| 58 | 53 |
deoptimizations_(4, info->zone()), |
| 59 | 54 |
jump_table_(4, info->zone()), |
| 60 | 55 |
deoptimization_literals_(8, info->zone()), |
| 61 | 56 |
inlined_function_count_(0), |
| 62 | 57 |
scope_(info->scope()), |
| 63 |
status_(UNUSED), |
|
| 64 | 58 |
translations_(info->zone()), |
| 65 | 59 |
deferred_(8, info->zone()), |
| 66 | 60 |
dynamic_frame_alignment_(false), |
| 67 | 61 |
support_aligned_spilled_doubles_(false), |
| 68 | 62 |
osr_pc_offset_(-1), |
| 69 |
last_lazy_deopt_pc_(0), |
|
| 70 | 63 |
frame_is_built_(false), |
| 71 | 64 |
x87_stack_(assembler), |
| 72 | 65 |
safepoints_(info->zone()), |
| 73 | 66 |
resolver_(this), |
| 74 |
expected_safepoint_kind_(Safepoint::kSimple), |
|
| 75 |
old_position_(RelocInfo::kNoPosition) {
|
|
| 67 |
expected_safepoint_kind_(Safepoint::kSimple) {
|
|
| 76 | 68 |
PopulateDeoptimizationLiteralsWithInlinedFunctions(); |
| 77 | 69 |
} |
| 78 | 70 |
|
| 79 |
// Simple accessors. |
|
| 80 |
MacroAssembler* masm() const { return masm_; }
|
|
| 81 |
CompilationInfo* info() const { return info_; }
|
|
| 82 |
Isolate* isolate() const { return info_->isolate(); }
|
|
| 83 |
Factory* factory() const { return isolate()->factory(); }
|
|
| 84 |
Heap* heap() const { return isolate()->heap(); }
|
|
| 85 |
Zone* zone() const { return zone_; }
|
|
| 86 |
|
|
| 87 | 71 |
int LookupDestination(int block_id) const {
|
| 88 | 72 |
return chunk()->LookupDestination(block_id); |
| 89 | 73 |
} |
| ... | ... | |
| 129 | 113 |
X87Register left, X87Register right, X87Register result); |
| 130 | 114 |
|
| 131 | 115 |
void X87LoadForUsage(X87Register reg); |
| 116 |
void X87LoadForUsage(X87Register reg1, X87Register reg2); |
|
| 132 | 117 |
void X87PrepareToWrite(X87Register reg) { x87_stack_.PrepareToWrite(reg); }
|
| 133 | 118 |
void X87CommitWrite(X87Register reg) { x87_stack_.CommitWrite(reg); }
|
| 134 | 119 |
|
| 135 | 120 |
void X87Fxch(X87Register reg, int other_slot = 0) {
|
| 136 | 121 |
x87_stack_.Fxch(reg, other_slot); |
| 137 | 122 |
} |
| 123 |
void X87Free(X87Register reg) {
|
|
| 124 |
x87_stack_.Free(reg); |
|
| 125 |
} |
|
| 126 |
|
|
| 138 | 127 |
|
| 139 | 128 |
bool X87StackEmpty() {
|
| 140 | 129 |
return x87_stack_.depth() == 0; |
| ... | ... | |
| 188 | 177 |
#undef DECLARE_DO |
| 189 | 178 |
|
| 190 | 179 |
private: |
| 191 |
enum Status {
|
|
| 192 |
UNUSED, |
|
| 193 |
GENERATING, |
|
| 194 |
DONE, |
|
| 195 |
ABORTED |
|
| 196 |
}; |
|
| 197 |
|
|
| 198 |
bool is_unused() const { return status_ == UNUSED; }
|
|
| 199 |
bool is_generating() const { return status_ == GENERATING; }
|
|
| 200 |
bool is_done() const { return status_ == DONE; }
|
|
| 201 |
bool is_aborted() const { return status_ == ABORTED; }
|
|
| 202 |
|
|
| 203 | 180 |
StrictModeFlag strict_mode_flag() const {
|
| 204 | 181 |
return info()->is_classic_mode() ? kNonStrictMode : kStrictMode; |
| 205 | 182 |
} |
| 206 | 183 |
|
| 207 |
LPlatformChunk* chunk() const { return chunk_; }
|
|
| 208 | 184 |
Scope* scope() const { return scope_; }
|
| 209 |
HGraph* graph() const { return chunk()->graph(); }
|
|
| 210 | 185 |
|
| 211 |
int GetNextEmittedBlock() const;
|
|
| 186 |
XMMRegister double_scratch0() const { return xmm0; }
|
|
| 212 | 187 |
|
| 213 | 188 |
void EmitClassOfTest(Label* if_true, |
| 214 | 189 |
Label* if_false, |
| ... | ... | |
| 220 | 195 |
int GetStackSlotCount() const { return chunk()->spill_slot_count(); }
|
| 221 | 196 |
|
| 222 | 197 |
void Abort(BailoutReason reason); |
| 223 |
void FPRINTF_CHECKING Comment(const char* format, ...); |
|
| 224 | 198 |
|
| 225 | 199 |
void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); }
|
| 226 | 200 |
|
| 227 | 201 |
// Code generation passes. Returns true if code generation should |
| 228 | 202 |
// continue. |
| 203 |
void GenerateBodyInstructionPre(LInstruction* instr) V8_OVERRIDE; |
|
| 204 |
void GenerateBodyInstructionPost(LInstruction* instr) V8_OVERRIDE; |
|
| 229 | 205 |
bool GeneratePrologue(); |
| 230 |
bool GenerateBody(); |
|
| 231 | 206 |
bool GenerateDeferredCode(); |
| 232 | 207 |
bool GenerateJumpTable(); |
| 233 | 208 |
bool GenerateSafepointTable(); |
| ... | ... | |
| 251 | 226 |
|
| 252 | 227 |
void CallRuntime(const Runtime::Function* fun, |
| 253 | 228 |
int argc, |
| 254 |
LInstruction* instr); |
|
| 229 |
LInstruction* instr, |
|
| 230 |
SaveFPRegsMode save_doubles = kDontSaveFPRegs); |
|
| 255 | 231 |
|
| 256 | 232 |
void CallRuntime(Runtime::FunctionId id, |
| 257 | 233 |
int argc, |
| ... | ... | |
| 331 | 307 |
void RecordSafepointWithRegisters(LPointerMap* pointers, |
| 332 | 308 |
int arguments, |
| 333 | 309 |
Safepoint::DeoptMode mode); |
| 334 |
void RecordPosition(int position); |
|
| 335 | 310 |
|
| 336 |
void RecordAndUpdatePosition(int position);
|
|
| 311 |
void RecordAndWritePosition(int position) V8_OVERRIDE;
|
|
| 337 | 312 |
|
| 338 | 313 |
static Condition TokenToCondition(Token::Value op, bool is_unsigned); |
| 339 | 314 |
void EmitGoto(int block); |
| ... | ... | |
| 395 | 370 |
int* offset, |
| 396 | 371 |
AllocationSiteMode mode); |
| 397 | 372 |
|
| 398 |
void EnsureSpaceForLazyDeopt();
|
|
| 373 |
void EnsureSpaceForLazyDeopt(int space_needed) V8_OVERRIDE;
|
|
| 399 | 374 |
void DoLoadKeyedExternalArray(LLoadKeyed* instr); |
| 400 | 375 |
void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); |
| 401 | 376 |
void DoLoadKeyedFixedArray(LLoadKeyed* instr); |
| ... | ... | |
| 425 | 400 |
void MakeSureStackPagesMapped(int offset); |
| 426 | 401 |
#endif |
| 427 | 402 |
|
| 428 |
Zone* zone_; |
|
| 429 |
LPlatformChunk* const chunk_; |
|
| 430 |
MacroAssembler* const masm_; |
|
| 431 |
CompilationInfo* const info_; |
|
| 432 |
|
|
| 433 |
int current_block_; |
|
| 434 |
int current_instruction_; |
|
| 435 |
const ZoneList<LInstruction*>* instructions_; |
|
| 436 | 403 |
ZoneList<LEnvironment*> deoptimizations_; |
| 437 | 404 |
ZoneList<Deoptimizer::JumpTableEntry> jump_table_; |
| 438 | 405 |
ZoneList<Handle<Object> > deoptimization_literals_; |
| 439 | 406 |
int inlined_function_count_; |
| 440 | 407 |
Scope* const scope_; |
| 441 |
Status status_; |
|
| 442 | 408 |
TranslationBuffer translations_; |
| 443 | 409 |
ZoneList<LDeferredCode*> deferred_; |
| 444 | 410 |
bool dynamic_frame_alignment_; |
| 445 | 411 |
bool support_aligned_spilled_doubles_; |
| 446 | 412 |
int osr_pc_offset_; |
| 447 |
int last_lazy_deopt_pc_; |
|
| 448 | 413 |
bool frame_is_built_; |
| 449 | 414 |
|
| 450 | 415 |
class X87Stack {
|
| ... | ... | |
| 505 | 470 |
|
| 506 | 471 |
Safepoint::Kind expected_safepoint_kind_; |
| 507 | 472 |
|
| 508 |
int old_position_; |
|
| 509 |
|
|
| 510 | 473 |
class PushSafepointRegistersScope V8_FINAL BASE_EMBEDDED {
|
| 511 | 474 |
public: |
| 512 | 475 |
explicit PushSafepointRegistersScope(LCodeGen* codegen) |
Also available in: Unified diff