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Issue 11938013: Migrate ArrayLength (Keyed|Named)LoadIC to CodeStub (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed comments Created 7 years, 11 months 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 // 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
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2353 // Restore context register. 2353 // Restore context register.
2354 __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); 2354 __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
2355 2355
2356 __ bind(&done); 2356 __ bind(&done);
2357 __ IncrementCounter(counters->math_pow(), 1); 2357 __ IncrementCounter(counters->math_pow(), 1);
2358 __ ret(0); 2358 __ ret(0);
2359 } 2359 }
2360 } 2360 }
2361 2361
2362 2362
2363 void ArrayLengthStub::Generate(MacroAssembler* masm) {
2364 Label miss;
2365 Register receiver;
2366 if (kind() == Code::KEYED_LOAD_IC) {
2367 // ----------- S t a t e -------------
2368 // -- rax : key
2369 // -- rdx : receiver
2370 // -- rsp[0] : return address
2371 // -----------------------------------
2372 __ Cmp(rax, masm->isolate()->factory()->length_symbol());
2373 receiver = rdx;
2374 } else {
2375 ASSERT(kind() == Code::LOAD_IC);
2376 // ----------- S t a t e -------------
2377 // -- rax : receiver
2378 // -- rcx : name
2379 // -- rsp[0] : return address
2380 // -----------------------------------
2381 receiver = rax;
2382 }
2383
2384 StubCompiler::GenerateLoadArrayLength(masm, receiver, r8, &miss);
2385 __ bind(&miss);
2386 StubCompiler::GenerateLoadMiss(masm, kind());
2387 }
2388
2389
2363 void StringLengthStub::Generate(MacroAssembler* masm) { 2390 void StringLengthStub::Generate(MacroAssembler* masm) {
2364 Label miss; 2391 Label miss;
2365 Register receiver; 2392 Register receiver;
2366 if (kind() == Code::KEYED_LOAD_IC) { 2393 if (kind() == Code::KEYED_LOAD_IC) {
2367 // ----------- S t a t e ------------- 2394 // ----------- S t a t e -------------
2368 // -- rax : key 2395 // -- rax : key
2369 // -- rdx : receiver 2396 // -- rdx : receiver
2370 // -- rsp[0] : return address 2397 // -- rsp[0] : return address
2371 // ----------------------------------- 2398 // -----------------------------------
2372 __ Cmp(rax, masm->isolate()->factory()->length_symbol()); 2399 __ Cmp(rax, masm->isolate()->factory()->length_symbol());
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6568 #endif 6595 #endif
6569 6596
6570 __ Ret(); 6597 __ Ret();
6571 } 6598 }
6572 6599
6573 #undef __ 6600 #undef __
6574 6601
6575 } } // namespace v8::internal 6602 } } // namespace v8::internal
6576 6603
6577 #endif // V8_TARGET_ARCH_X64 6604 #endif // V8_TARGET_ARCH_X64
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