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Issue 2082006: Use direct loop when filling small arrays. (Closed)
Patch Set: Named constant added Created 10 years, 7 months ago
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1 // Copyright 2007-2008 the V8 project authors. All rights reserved. 1 // Copyright 2007-2008 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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230 __ subb(eax, Operand(edx, ecx, times_4, 10000)); 230 __ subb(eax, Operand(edx, ecx, times_4, 10000));
231 231
232 __ xor_(ebx, 12345); 232 __ xor_(ebx, 12345);
233 233
234 __ imul(edx, ecx, 12); 234 __ imul(edx, ecx, 12);
235 __ imul(edx, ecx, 1000); 235 __ imul(edx, ecx, 1000);
236 236
237 __ cld(); 237 __ cld();
238 __ rep_movs(); 238 __ rep_movs();
239 __ rep_stos(); 239 __ rep_stos();
240 __ stos();
240 241
241 __ sub(edx, Operand(ebx, ecx, times_4, 10000)); 242 __ sub(edx, Operand(ebx, ecx, times_4, 10000));
242 __ sub(edx, Operand(ebx)); 243 __ sub(edx, Operand(ebx));
243 244
244 __ test(edx, Immediate(12345)); 245 __ test(edx, Immediate(12345));
245 __ test(edx, Operand(ebx, ecx, times_8, 10000)); 246 __ test(edx, Operand(ebx, ecx, times_8, 10000));
246 __ nop(); 247 __ nop();
247 248
248 __ xor_(edx, 12345); 249 __ xor_(edx, 12345);
249 __ xor_(edx, Operand(ebx, ecx, times_8, 10000)); 250 __ xor_(edx, Operand(ebx, ecx, times_8, 10000));
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415 CHECK(code->IsCode()); 416 CHECK(code->IsCode());
416 #ifdef DEBUG 417 #ifdef DEBUG
417 Code::cast(code)->Print(); 418 Code::cast(code)->Print();
418 byte* begin = Code::cast(code)->instruction_start(); 419 byte* begin = Code::cast(code)->instruction_start();
419 byte* end = begin + Code::cast(code)->instruction_size(); 420 byte* end = begin + Code::cast(code)->instruction_size();
420 disasm::Disassembler::Disassemble(stdout, begin, end); 421 disasm::Disassembler::Disassemble(stdout, begin, end);
421 #endif 422 #endif
422 } 423 }
423 424
424 #undef __ 425 #undef __
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