Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(899)

Side by Side Diff: src/arm/code-stubs-arm.cc

Issue 12314155: Allow direct allocation in old pointer space. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 9 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 | Annotate | Revision Log
OLDNEW
1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
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 110 matching lines...) Expand 10 before | Expand all | Expand 10 after
121 // Create a new closure from the given function info in new 121 // Create a new closure from the given function info in new
122 // space. Set the context to the current context in cp. 122 // space. Set the context to the current context in cp.
123 Counters* counters = masm->isolate()->counters(); 123 Counters* counters = masm->isolate()->counters();
124 124
125 Label gc; 125 Label gc;
126 126
127 // Pop the function info from the stack. 127 // Pop the function info from the stack.
128 __ pop(r3); 128 __ pop(r3);
129 129
130 // Attempt to allocate new JSFunction in new space. 130 // Attempt to allocate new JSFunction in new space.
131 __ AllocateInNewSpace(JSFunction::kSize, 131 __ Allocate(JSFunction::kSize, r0, r1, r2, &gc, TAG_OBJECT,
132 r0, 132 MacroAssembler::NEW_SPACE);
133 r1,
134 r2,
135 &gc,
136 TAG_OBJECT);
137 133
138 __ IncrementCounter(counters->fast_new_closure_total(), 1, r6, r7); 134 __ IncrementCounter(counters->fast_new_closure_total(), 1, r6, r7);
139 135
140 int map_index = (language_mode_ == CLASSIC_MODE) 136 int map_index = (language_mode_ == CLASSIC_MODE)
141 ? Context::FUNCTION_MAP_INDEX 137 ? Context::FUNCTION_MAP_INDEX
142 : Context::STRICT_MODE_FUNCTION_MAP_INDEX; 138 : Context::STRICT_MODE_FUNCTION_MAP_INDEX;
143 139
144 // Compute the function map in the current native context and set that 140 // Compute the function map in the current native context and set that
145 // as the map of the allocated object. 141 // as the map of the allocated object.
146 __ ldr(r2, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); 142 __ ldr(r2, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
(...skipping 106 matching lines...) Expand 10 before | Expand all | Expand 10 after
253 __ TailCallRuntime(Runtime::kNewClosure, 3, 1); 249 __ TailCallRuntime(Runtime::kNewClosure, 3, 1);
254 } 250 }
255 251
256 252
257 void FastNewContextStub::Generate(MacroAssembler* masm) { 253 void FastNewContextStub::Generate(MacroAssembler* masm) {
258 // Try to allocate the context in new space. 254 // Try to allocate the context in new space.
259 Label gc; 255 Label gc;
260 int length = slots_ + Context::MIN_CONTEXT_SLOTS; 256 int length = slots_ + Context::MIN_CONTEXT_SLOTS;
261 257
262 // Attempt to allocate the context in new space. 258 // Attempt to allocate the context in new space.
263 __ AllocateInNewSpace(FixedArray::SizeFor(length), 259 __ Allocate(FixedArray::SizeFor(length), r0, r1, r2, &gc, TAG_OBJECT,
264 r0, 260 MacroAssembler::NEW_SPACE);
265 r1,
266 r2,
267 &gc,
268 TAG_OBJECT);
269 261
270 // Load the function from the stack. 262 // Load the function from the stack.
271 __ ldr(r3, MemOperand(sp, 0)); 263 __ ldr(r3, MemOperand(sp, 0));
272 264
273 // Set up the object header. 265 // Set up the object header.
274 __ LoadRoot(r1, Heap::kFunctionContextMapRootIndex); 266 __ LoadRoot(r1, Heap::kFunctionContextMapRootIndex);
275 __ mov(r2, Operand(Smi::FromInt(length))); 267 __ mov(r2, Operand(Smi::FromInt(length)));
276 __ str(r2, FieldMemOperand(r0, FixedArray::kLengthOffset)); 268 __ str(r2, FieldMemOperand(r0, FixedArray::kLengthOffset));
277 __ str(r1, FieldMemOperand(r0, HeapObject::kMapOffset)); 269 __ str(r1, FieldMemOperand(r0, HeapObject::kMapOffset));
278 270
(...skipping 24 matching lines...) Expand all
303 295
304 void FastNewBlockContextStub::Generate(MacroAssembler* masm) { 296 void FastNewBlockContextStub::Generate(MacroAssembler* masm) {
305 // Stack layout on entry: 297 // Stack layout on entry:
306 // 298 //
307 // [sp]: function. 299 // [sp]: function.
308 // [sp + kPointerSize]: serialized scope info 300 // [sp + kPointerSize]: serialized scope info
309 301
310 // Try to allocate the context in new space. 302 // Try to allocate the context in new space.
311 Label gc; 303 Label gc;
312 int length = slots_ + Context::MIN_CONTEXT_SLOTS; 304 int length = slots_ + Context::MIN_CONTEXT_SLOTS;
313 __ AllocateInNewSpace(FixedArray::SizeFor(length), 305 __ Allocate(FixedArray::SizeFor(length), r0, r1, r2, &gc, TAG_OBJECT,
314 r0, r1, r2, &gc, TAG_OBJECT); 306 MacroAssembler::NEW_SPACE);
315 307
316 // Load the function from the stack. 308 // Load the function from the stack.
317 __ ldr(r3, MemOperand(sp, 0)); 309 __ ldr(r3, MemOperand(sp, 0));
318 310
319 // Load the serialized scope info from the stack. 311 // Load the serialized scope info from the stack.
320 __ ldr(r1, MemOperand(sp, 1 * kPointerSize)); 312 __ ldr(r1, MemOperand(sp, 1 * kPointerSize));
321 313
322 // Set up the object header. 314 // Set up the object header.
323 __ LoadRoot(r2, Heap::kBlockContextMapRootIndex); 315 __ LoadRoot(r2, Heap::kBlockContextMapRootIndex);
324 __ str(r2, FieldMemOperand(r0, HeapObject::kMapOffset)); 316 __ str(r2, FieldMemOperand(r0, HeapObject::kMapOffset));
(...skipping 65 matching lines...) Expand 10 before | Expand all | Expand 10 after
390 size += AllocationSiteInfo::kSize; 382 size += AllocationSiteInfo::kSize;
391 } 383 }
392 size += elements_size; 384 size += elements_size;
393 385
394 // Allocate both the JS array and the elements array in one big 386 // Allocate both the JS array and the elements array in one big
395 // allocation. This avoids multiple limit checks. 387 // allocation. This avoids multiple limit checks.
396 AllocationFlags flags = TAG_OBJECT; 388 AllocationFlags flags = TAG_OBJECT;
397 if (mode == FastCloneShallowArrayStub::CLONE_DOUBLE_ELEMENTS) { 389 if (mode == FastCloneShallowArrayStub::CLONE_DOUBLE_ELEMENTS) {
398 flags = static_cast<AllocationFlags>(DOUBLE_ALIGNMENT | flags); 390 flags = static_cast<AllocationFlags>(DOUBLE_ALIGNMENT | flags);
399 } 391 }
400 __ AllocateInNewSpace(size, r0, r1, r2, fail, flags); 392 __ Allocate(size, r0, r1, r2, fail, flags, MacroAssembler::NEW_SPACE);
401 393
402 if (allocation_site_mode == TRACK_ALLOCATION_SITE) { 394 if (allocation_site_mode == TRACK_ALLOCATION_SITE) {
403 __ mov(r2, Operand(Handle<Map>(masm->isolate()->heap()-> 395 __ mov(r2, Operand(Handle<Map>(masm->isolate()->heap()->
404 allocation_site_info_map()))); 396 allocation_site_info_map())));
405 __ str(r2, FieldMemOperand(r0, allocation_info_start)); 397 __ str(r2, FieldMemOperand(r0, allocation_info_start));
406 __ str(r3, FieldMemOperand(r0, allocation_info_start + kPointerSize)); 398 __ str(r3, FieldMemOperand(r0, allocation_info_start + kPointerSize));
407 } 399 }
408 400
409 // Copy the JS array part. 401 // Copy the JS array part.
410 for (int i = 0; i < JSArray::kSize; i += kPointerSize) { 402 for (int i = 0; i < JSArray::kSize; i += kPointerSize) {
(...skipping 7507 matching lines...) Expand 10 before | Expand all | Expand 10 after
7918 7910
7919 __ Pop(lr, r5, r1); 7911 __ Pop(lr, r5, r1);
7920 __ Ret(); 7912 __ Ret();
7921 } 7913 }
7922 7914
7923 #undef __ 7915 #undef __
7924 7916
7925 } } // namespace v8::internal 7917 } } // namespace v8::internal
7926 7918
7927 #endif // V8_TARGET_ARCH_ARM 7919 #endif // V8_TARGET_ARCH_ARM
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698