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Side by Side Diff: src/crankshaft/mips64/lithium-codegen-mips64.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
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/crankshaft/mips64/lithium-codegen-mips64.h" 5 #include "src/crankshaft/mips64/lithium-codegen-mips64.h"
6 6
7 #include "src/code-factory.h" 7 #include "src/code-factory.h"
8 #include "src/code-stubs.h" 8 #include "src/code-stubs.h"
9 #include "src/crankshaft/hydrogen-osr.h" 9 #include "src/crankshaft/hydrogen-osr.h"
10 #include "src/crankshaft/mips64/lithium-gap-resolver-mips64.h" 10 #include "src/crankshaft/mips64/lithium-gap-resolver-mips64.h"
(...skipping 174 matching lines...) Expand 10 before | Expand all | Expand 10 after
185 int num_parameters = scope()->num_parameters(); 185 int num_parameters = scope()->num_parameters();
186 int first_parameter = scope()->has_this_declaration() ? -1 : 0; 186 int first_parameter = scope()->has_this_declaration() ? -1 : 0;
187 for (int i = first_parameter; i < num_parameters; i++) { 187 for (int i = first_parameter; i < num_parameters; i++) {
188 Variable* var = (i == -1) ? scope()->receiver() : scope()->parameter(i); 188 Variable* var = (i == -1) ? scope()->receiver() : scope()->parameter(i);
189 if (var->IsContextSlot()) { 189 if (var->IsContextSlot()) {
190 int parameter_offset = StandardFrameConstants::kCallerSPOffset + 190 int parameter_offset = StandardFrameConstants::kCallerSPOffset +
191 (num_parameters - 1 - i) * kPointerSize; 191 (num_parameters - 1 - i) * kPointerSize;
192 // Load parameter from stack. 192 // Load parameter from stack.
193 __ ld(a0, MemOperand(fp, parameter_offset)); 193 __ ld(a0, MemOperand(fp, parameter_offset));
194 // Store it in the context. 194 // Store it in the context.
195 MemOperand target = ContextMemOperand(cp, var->index()); 195 MemOperand target = ContextOperand(cp, var->index());
196 __ sd(a0, target); 196 __ sd(a0, target);
197 // Update the write barrier. This clobbers a3 and a0. 197 // Update the write barrier. This clobbers a3 and a0.
198 if (need_write_barrier) { 198 if (need_write_barrier) {
199 __ RecordWriteContextSlot( 199 __ RecordWriteContextSlot(
200 cp, target.offset(), a0, a3, GetRAState(), kSaveFPRegs); 200 cp, target.offset(), a0, a3, GetRAState(), kSaveFPRegs);
201 } else if (FLAG_debug_code) { 201 } else if (FLAG_debug_code) {
202 Label done; 202 Label done;
203 __ JumpIfInNewSpace(cp, a0, &done); 203 __ JumpIfInNewSpace(cp, a0, &done);
204 __ Abort(kExpectedNewSpaceObject); 204 __ Abort(kExpectedNewSpaceObject);
205 __ bind(&done); 205 __ bind(&done);
(...skipping 2636 matching lines...) Expand 10 before | Expand all | Expand 10 after
2842 CodeFactory::LoadICInOptimizedCode(isolate(), instr->typeof_mode(), 2842 CodeFactory::LoadICInOptimizedCode(isolate(), instr->typeof_mode(),
2843 SLOPPY, PREMONOMORPHIC).code(); 2843 SLOPPY, PREMONOMORPHIC).code();
2844 CallCode(ic, RelocInfo::CODE_TARGET, instr); 2844 CallCode(ic, RelocInfo::CODE_TARGET, instr);
2845 } 2845 }
2846 2846
2847 2847
2848 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) { 2848 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
2849 Register context = ToRegister(instr->context()); 2849 Register context = ToRegister(instr->context());
2850 Register result = ToRegister(instr->result()); 2850 Register result = ToRegister(instr->result());
2851 2851
2852 __ ld(result, ContextMemOperand(context, instr->slot_index())); 2852 __ ld(result, ContextOperand(context, instr->slot_index()));
2853 if (instr->hydrogen()->RequiresHoleCheck()) { 2853 if (instr->hydrogen()->RequiresHoleCheck()) {
2854 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); 2854 __ LoadRoot(at, Heap::kTheHoleValueRootIndex);
2855 2855
2856 if (instr->hydrogen()->DeoptimizesOnHole()) { 2856 if (instr->hydrogen()->DeoptimizesOnHole()) {
2857 DeoptimizeIf(eq, instr, Deoptimizer::kHole, result, Operand(at)); 2857 DeoptimizeIf(eq, instr, Deoptimizer::kHole, result, Operand(at));
2858 } else { 2858 } else {
2859 Label is_not_hole; 2859 Label is_not_hole;
2860 __ Branch(&is_not_hole, ne, result, Operand(at)); 2860 __ Branch(&is_not_hole, ne, result, Operand(at));
2861 __ LoadRoot(result, Heap::kUndefinedValueRootIndex); 2861 __ LoadRoot(result, Heap::kUndefinedValueRootIndex);
2862 __ bind(&is_not_hole); 2862 __ bind(&is_not_hole);
2863 } 2863 }
2864 } 2864 }
2865 } 2865 }
2866 2866
2867 2867
2868 void LCodeGen::DoStoreContextSlot(LStoreContextSlot* instr) { 2868 void LCodeGen::DoStoreContextSlot(LStoreContextSlot* instr) {
2869 Register context = ToRegister(instr->context()); 2869 Register context = ToRegister(instr->context());
2870 Register value = ToRegister(instr->value()); 2870 Register value = ToRegister(instr->value());
2871 Register scratch = scratch0(); 2871 Register scratch = scratch0();
2872 MemOperand target = ContextMemOperand(context, instr->slot_index()); 2872 MemOperand target = ContextOperand(context, instr->slot_index());
2873 2873
2874 Label skip_assignment; 2874 Label skip_assignment;
2875 2875
2876 if (instr->hydrogen()->RequiresHoleCheck()) { 2876 if (instr->hydrogen()->RequiresHoleCheck()) {
2877 __ ld(scratch, target); 2877 __ ld(scratch, target);
2878 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); 2878 __ LoadRoot(at, Heap::kTheHoleValueRootIndex);
2879 2879
2880 if (instr->hydrogen()->DeoptimizesOnHole()) { 2880 if (instr->hydrogen()->DeoptimizesOnHole()) {
2881 DeoptimizeIf(eq, instr, Deoptimizer::kHole, scratch, Operand(at)); 2881 DeoptimizeIf(eq, instr, Deoptimizer::kHole, scratch, Operand(at));
2882 } else { 2882 } else {
(...skipping 520 matching lines...) Expand 10 before | Expand all | Expand 10 after
3403 __ SmiTst(receiver, scratch); 3403 __ SmiTst(receiver, scratch);
3404 DeoptimizeIf(eq, instr, Deoptimizer::kSmi, scratch, Operand(zero_reg)); 3404 DeoptimizeIf(eq, instr, Deoptimizer::kSmi, scratch, Operand(zero_reg));
3405 3405
3406 __ GetObjectType(receiver, scratch, scratch); 3406 __ GetObjectType(receiver, scratch, scratch);
3407 DeoptimizeIf(lt, instr, Deoptimizer::kNotAJavaScriptObject, scratch, 3407 DeoptimizeIf(lt, instr, Deoptimizer::kNotAJavaScriptObject, scratch,
3408 Operand(FIRST_SPEC_OBJECT_TYPE)); 3408 Operand(FIRST_SPEC_OBJECT_TYPE));
3409 __ Branch(&result_in_receiver); 3409 __ Branch(&result_in_receiver);
3410 3410
3411 __ bind(&global_object); 3411 __ bind(&global_object);
3412 __ ld(result, FieldMemOperand(function, JSFunction::kContextOffset)); 3412 __ ld(result, FieldMemOperand(function, JSFunction::kContextOffset));
3413 __ ld(result, ContextMemOperand(result, Context::NATIVE_CONTEXT_INDEX)); 3413 __ ld(result,
3414 __ ld(result, ContextMemOperand(result, Context::GLOBAL_PROXY_INDEX)); 3414 ContextOperand(result, Context::GLOBAL_OBJECT_INDEX));
3415 __ ld(result, FieldMemOperand(result, JSGlobalObject::kGlobalProxyOffset));
3415 3416
3416 if (result.is(receiver)) { 3417 if (result.is(receiver)) {
3417 __ bind(&result_in_receiver); 3418 __ bind(&result_in_receiver);
3418 } else { 3419 } else {
3419 Label result_ok; 3420 Label result_ok;
3420 __ Branch(&result_ok); 3421 __ Branch(&result_ok);
3421 __ bind(&result_in_receiver); 3422 __ bind(&result_in_receiver);
3422 __ mov(result, receiver); 3423 __ mov(result, receiver);
3423 __ bind(&result_ok); 3424 __ bind(&result_ok);
3424 } 3425 }
(...skipping 2525 matching lines...) Expand 10 before | Expand all | Expand 10 after
5950 __ Push(at, ToRegister(instr->function())); 5951 __ Push(at, ToRegister(instr->function()));
5951 CallRuntime(Runtime::kPushBlockContext, 2, instr); 5952 CallRuntime(Runtime::kPushBlockContext, 2, instr);
5952 RecordSafepoint(Safepoint::kNoLazyDeopt); 5953 RecordSafepoint(Safepoint::kNoLazyDeopt);
5953 } 5954 }
5954 5955
5955 5956
5956 #undef __ 5957 #undef __
5957 5958
5958 } // namespace internal 5959 } // namespace internal
5959 } // namespace v8 5960 } // namespace v8
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