Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(257)

Side by Side Diff: src/full-codegen/mips64/full-codegen-mips64.cc

Issue 1337883002: [builtins] Remove the weird STACK_OVERFLOW builtin. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 3 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 unified diff | Download patch
« no previous file with comments | « src/full-codegen/mips/full-codegen-mips.cc ('k') | src/full-codegen/x64/full-codegen-x64.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
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 #if V8_TARGET_ARCH_MIPS64 5 #if V8_TARGET_ARCH_MIPS64
6 6
7 // Note on Mips implementation: 7 // Note on Mips implementation:
8 // 8 //
9 // The result_register() for mips is the 'v0' register, which is defined 9 // The result_register() for mips is the 'v0' register, which is defined
10 // by the ABI to contain function return values. However, the first 10 // by the ABI to contain function return values. However, the first
(...skipping 141 matching lines...) Expand 10 before | Expand all | Expand 10 after
152 { Comment cmnt(masm_, "[ Allocate locals"); 152 { Comment cmnt(masm_, "[ Allocate locals");
153 int locals_count = info->scope()->num_stack_slots(); 153 int locals_count = info->scope()->num_stack_slots();
154 // Generators allocate locals, if any, in context slots. 154 // Generators allocate locals, if any, in context slots.
155 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0); 155 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0);
156 if (locals_count > 0) { 156 if (locals_count > 0) {
157 if (locals_count >= 128) { 157 if (locals_count >= 128) {
158 Label ok; 158 Label ok;
159 __ Dsubu(t1, sp, Operand(locals_count * kPointerSize)); 159 __ Dsubu(t1, sp, Operand(locals_count * kPointerSize));
160 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex); 160 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex);
161 __ Branch(&ok, hs, t1, Operand(a2)); 161 __ Branch(&ok, hs, t1, Operand(a2));
162 __ InvokeBuiltin(Context::STACK_OVERFLOW_BUILTIN_INDEX, CALL_FUNCTION); 162 __ CallRuntime(Runtime::kThrowStackOverflow, 0);
163 __ bind(&ok); 163 __ bind(&ok);
164 } 164 }
165 __ LoadRoot(t1, Heap::kUndefinedValueRootIndex); 165 __ LoadRoot(t1, Heap::kUndefinedValueRootIndex);
166 int kMaxPushes = FLAG_optimize_for_size ? 4 : 32; 166 int kMaxPushes = FLAG_optimize_for_size ? 4 : 32;
167 if (locals_count >= kMaxPushes) { 167 if (locals_count >= kMaxPushes) {
168 int loop_iterations = locals_count / kMaxPushes; 168 int loop_iterations = locals_count / kMaxPushes;
169 __ li(a2, Operand(loop_iterations)); 169 __ li(a2, Operand(loop_iterations));
170 Label loop_header; 170 Label loop_header;
171 __ bind(&loop_header); 171 __ bind(&loop_header);
172 // Do pushes. 172 // Do pushes.
(...skipping 5165 matching lines...) Expand 10 before | Expand all | Expand 10 after
5338 reinterpret_cast<uint64_t>( 5338 reinterpret_cast<uint64_t>(
5339 isolate->builtins()->OsrAfterStackCheck()->entry())); 5339 isolate->builtins()->OsrAfterStackCheck()->entry()));
5340 return OSR_AFTER_STACK_CHECK; 5340 return OSR_AFTER_STACK_CHECK;
5341 } 5341 }
5342 5342
5343 5343
5344 } // namespace internal 5344 } // namespace internal
5345 } // namespace v8 5345 } // namespace v8
5346 5346
5347 #endif // V8_TARGET_ARCH_MIPS64 5347 #endif // V8_TARGET_ARCH_MIPS64
OLDNEW
« no previous file with comments | « src/full-codegen/mips/full-codegen-mips.cc ('k') | src/full-codegen/x64/full-codegen-x64.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698