Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(640)

Side by Side Diff: src/crankshaft/mips/lithium-codegen-mips.cc

Issue 1478303002: Revert of [runtime] Replace global object link with native context link in all contexts. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years 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 unified diff | Download patch
OLDNEW
1 // Copyright 2012 the V8 project authors. All rights reserved.7 1 // Copyright 2012 the V8 project authors. All rights reserved.7
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 199 matching lines...) Expand 10 before | Expand all | Expand 10 after
210 int num_parameters = scope()->num_parameters(); 210 int num_parameters = scope()->num_parameters();
211 int first_parameter = scope()->has_this_declaration() ? -1 : 0; 211 int first_parameter = scope()->has_this_declaration() ? -1 : 0;
212 for (int i = first_parameter; i < num_parameters; i++) { 212 for (int i = first_parameter; i < num_parameters; i++) {
213 Variable* var = (i == -1) ? scope()->receiver() : scope()->parameter(i); 213 Variable* var = (i == -1) ? scope()->receiver() : scope()->parameter(i);
214 if (var->IsContextSlot()) { 214 if (var->IsContextSlot()) {
215 int parameter_offset = StandardFrameConstants::kCallerSPOffset + 215 int parameter_offset = StandardFrameConstants::kCallerSPOffset +
216 (num_parameters - 1 - i) * kPointerSize; 216 (num_parameters - 1 - i) * kPointerSize;
217 // Load parameter from stack. 217 // Load parameter from stack.
218 __ lw(a0, MemOperand(fp, parameter_offset)); 218 __ lw(a0, MemOperand(fp, parameter_offset));
219 // Store it in the context. 219 // Store it in the context.
220 MemOperand target = ContextMemOperand(cp, var->index()); 220 MemOperand target = ContextOperand(cp, var->index());
221 __ sw(a0, target); 221 __ sw(a0, target);
222 // Update the write barrier. This clobbers a3 and a0. 222 // Update the write barrier. This clobbers a3 and a0.
223 if (need_write_barrier) { 223 if (need_write_barrier) {
224 __ RecordWriteContextSlot( 224 __ RecordWriteContextSlot(
225 cp, target.offset(), a0, a3, GetRAState(), kSaveFPRegs); 225 cp, target.offset(), a0, a3, GetRAState(), kSaveFPRegs);
226 } else if (FLAG_debug_code) { 226 } else if (FLAG_debug_code) {
227 Label done; 227 Label done;
228 __ JumpIfInNewSpace(cp, a0, &done); 228 __ JumpIfInNewSpace(cp, a0, &done);
229 __ Abort(kExpectedNewSpaceObject); 229 __ Abort(kExpectedNewSpaceObject);
230 __ bind(&done); 230 __ bind(&done);
(...skipping 2503 matching lines...) Expand 10 before | Expand all | Expand 10 after
2734 CodeFactory::LoadICInOptimizedCode(isolate(), instr->typeof_mode(), 2734 CodeFactory::LoadICInOptimizedCode(isolate(), instr->typeof_mode(),
2735 SLOPPY, PREMONOMORPHIC).code(); 2735 SLOPPY, PREMONOMORPHIC).code();
2736 CallCode(ic, RelocInfo::CODE_TARGET, instr); 2736 CallCode(ic, RelocInfo::CODE_TARGET, instr);
2737 } 2737 }
2738 2738
2739 2739
2740 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) { 2740 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
2741 Register context = ToRegister(instr->context()); 2741 Register context = ToRegister(instr->context());
2742 Register result = ToRegister(instr->result()); 2742 Register result = ToRegister(instr->result());
2743 2743
2744 __ lw(result, ContextMemOperand(context, instr->slot_index())); 2744 __ lw(result, ContextOperand(context, instr->slot_index()));
2745 if (instr->hydrogen()->RequiresHoleCheck()) { 2745 if (instr->hydrogen()->RequiresHoleCheck()) {
2746 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); 2746 __ LoadRoot(at, Heap::kTheHoleValueRootIndex);
2747 2747
2748 if (instr->hydrogen()->DeoptimizesOnHole()) { 2748 if (instr->hydrogen()->DeoptimizesOnHole()) {
2749 DeoptimizeIf(eq, instr, Deoptimizer::kHole, result, Operand(at)); 2749 DeoptimizeIf(eq, instr, Deoptimizer::kHole, result, Operand(at));
2750 } else { 2750 } else {
2751 Label is_not_hole; 2751 Label is_not_hole;
2752 __ Branch(&is_not_hole, ne, result, Operand(at)); 2752 __ Branch(&is_not_hole, ne, result, Operand(at));
2753 __ LoadRoot(result, Heap::kUndefinedValueRootIndex); 2753 __ LoadRoot(result, Heap::kUndefinedValueRootIndex);
2754 __ bind(&is_not_hole); 2754 __ bind(&is_not_hole);
2755 } 2755 }
2756 } 2756 }
2757 } 2757 }
2758 2758
2759 2759
2760 void LCodeGen::DoStoreContextSlot(LStoreContextSlot* instr) { 2760 void LCodeGen::DoStoreContextSlot(LStoreContextSlot* instr) {
2761 Register context = ToRegister(instr->context()); 2761 Register context = ToRegister(instr->context());
2762 Register value = ToRegister(instr->value()); 2762 Register value = ToRegister(instr->value());
2763 Register scratch = scratch0(); 2763 Register scratch = scratch0();
2764 MemOperand target = ContextMemOperand(context, instr->slot_index()); 2764 MemOperand target = ContextOperand(context, instr->slot_index());
2765 2765
2766 Label skip_assignment; 2766 Label skip_assignment;
2767 2767
2768 if (instr->hydrogen()->RequiresHoleCheck()) { 2768 if (instr->hydrogen()->RequiresHoleCheck()) {
2769 __ lw(scratch, target); 2769 __ lw(scratch, target);
2770 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); 2770 __ LoadRoot(at, Heap::kTheHoleValueRootIndex);
2771 2771
2772 if (instr->hydrogen()->DeoptimizesOnHole()) { 2772 if (instr->hydrogen()->DeoptimizesOnHole()) {
2773 DeoptimizeIf(eq, instr, Deoptimizer::kHole, scratch, Operand(at)); 2773 DeoptimizeIf(eq, instr, Deoptimizer::kHole, scratch, Operand(at));
2774 } else { 2774 } else {
(...skipping 459 matching lines...) Expand 10 before | Expand all | Expand 10 after
3234 __ SmiTst(receiver, scratch); 3234 __ SmiTst(receiver, scratch);
3235 DeoptimizeIf(eq, instr, Deoptimizer::kSmi, scratch, Operand(zero_reg)); 3235 DeoptimizeIf(eq, instr, Deoptimizer::kSmi, scratch, Operand(zero_reg));
3236 3236
3237 __ GetObjectType(receiver, scratch, scratch); 3237 __ GetObjectType(receiver, scratch, scratch);
3238 DeoptimizeIf(lt, instr, Deoptimizer::kNotAJavaScriptObject, scratch, 3238 DeoptimizeIf(lt, instr, Deoptimizer::kNotAJavaScriptObject, scratch,
3239 Operand(FIRST_SPEC_OBJECT_TYPE)); 3239 Operand(FIRST_SPEC_OBJECT_TYPE));
3240 3240
3241 __ Branch(&result_in_receiver); 3241 __ Branch(&result_in_receiver);
3242 __ bind(&global_object); 3242 __ bind(&global_object);
3243 __ lw(result, FieldMemOperand(function, JSFunction::kContextOffset)); 3243 __ lw(result, FieldMemOperand(function, JSFunction::kContextOffset));
3244 __ lw(result, ContextMemOperand(result, Context::NATIVE_CONTEXT_INDEX)); 3244 __ lw(result,
3245 __ lw(result, ContextMemOperand(result, Context::GLOBAL_PROXY_INDEX)); 3245 ContextOperand(result, Context::GLOBAL_OBJECT_INDEX));
3246 __ lw(result, FieldMemOperand(result, JSGlobalObject::kGlobalProxyOffset));
3246 3247
3247 if (result.is(receiver)) { 3248 if (result.is(receiver)) {
3248 __ bind(&result_in_receiver); 3249 __ bind(&result_in_receiver);
3249 } else { 3250 } else {
3250 Label result_ok; 3251 Label result_ok;
3251 __ Branch(&result_ok); 3252 __ Branch(&result_ok);
3252 __ bind(&result_in_receiver); 3253 __ bind(&result_in_receiver);
3253 __ mov(result, receiver); 3254 __ mov(result, receiver);
3254 __ bind(&result_ok); 3255 __ bind(&result_ok);
3255 } 3256 }
(...skipping 2509 matching lines...) Expand 10 before | Expand all | Expand 10 after
5765 __ Push(at, ToRegister(instr->function())); 5766 __ Push(at, ToRegister(instr->function()));
5766 CallRuntime(Runtime::kPushBlockContext, 2, instr); 5767 CallRuntime(Runtime::kPushBlockContext, 2, instr);
5767 RecordSafepoint(Safepoint::kNoLazyDeopt); 5768 RecordSafepoint(Safepoint::kNoLazyDeopt);
5768 } 5769 }
5769 5770
5770 5771
5771 #undef __ 5772 #undef __
5772 5773
5773 } // namespace internal 5774 } // namespace internal
5774 } // namespace v8 5775 } // namespace v8
OLDNEW
« no previous file with comments | « src/crankshaft/ia32/lithium-codegen-ia32.cc ('k') | src/crankshaft/mips64/lithium-codegen-mips64.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698