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Issue 7891042: Add asserts to ensure that we: (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 3 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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424 __ lea(rax, Operand(rsi, rdi, times_1, 0)); 424 __ lea(rax, Operand(rsi, rdi, times_1, 0));
425 // Compute and set byte_offset1 (start of capture). 425 // Compute and set byte_offset1 (start of capture).
426 __ lea(rdi, Operand(rsi, rdx, times_1, 0)); 426 __ lea(rdi, Operand(rsi, rdx, times_1, 0));
427 // Set byte_offset2. 427 // Set byte_offset2.
428 __ movq(rsi, rax); 428 __ movq(rsi, rax);
429 // Set byte_length. 429 // Set byte_length.
430 __ movq(rdx, rbx); 430 __ movq(rdx, rbx);
431 // Isolate. 431 // Isolate.
432 __ LoadAddress(rcx, ExternalReference::isolate_address()); 432 __ LoadAddress(rcx, ExternalReference::isolate_address());
433 #endif 433 #endif
434 ExternalReference compare = 434
435 ExternalReference::re_case_insensitive_compare_uc16(masm_.isolate()); 435 { // NOLINT: Can't find a way to open this scope without confusing the
436 __ CallCFunction(compare, num_arguments); 436 // linter.
437 AllowExternalCallThatCantCauseGC scope(&masm_);
438 ExternalReference compare =
439 ExternalReference::re_case_insensitive_compare_uc16(masm_.isolate());
440 __ CallCFunction(compare, num_arguments);
441 }
437 442
438 // Restore original values before reacting on result value. 443 // Restore original values before reacting on result value.
439 __ Move(code_object_pointer(), masm_.CodeObject()); 444 __ Move(code_object_pointer(), masm_.CodeObject());
440 __ pop(backtrack_stackpointer()); 445 __ pop(backtrack_stackpointer());
441 #ifndef _WIN64 446 #ifndef _WIN64
442 __ pop(rdi); 447 __ pop(rdi);
443 __ pop(rsi); 448 __ pop(rsi);
444 #endif 449 #endif
445 450
446 // Check if function returned non-zero for success or zero for failure. 451 // Check if function returned non-zero for success or zero for failure.
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699 __ Set(rax, 0); 704 __ Set(rax, 0);
700 __ jmp(&exit_label_); 705 __ jmp(&exit_label_);
701 } 706 }
702 707
703 708
704 Handle<HeapObject> RegExpMacroAssemblerX64::GetCode(Handle<String> source) { 709 Handle<HeapObject> RegExpMacroAssemblerX64::GetCode(Handle<String> source) {
705 // Finalize code - write the entry point code now we know how many 710 // Finalize code - write the entry point code now we know how many
706 // registers we need. 711 // registers we need.
707 // Entry code: 712 // Entry code:
708 __ bind(&entry_label_); 713 __ bind(&entry_label_);
709 // Start new stack frame. 714
715 // Tell the system that we have a stack frame. Because the type is MANUAL, no
716 // is generated.
717 FrameScope scope(&masm_, StackFrame::MANUAL);
718
719 // Actually emit code to start a new stack frame.
710 __ push(rbp); 720 __ push(rbp);
711 __ movq(rbp, rsp); 721 __ movq(rbp, rsp);
712 // Save parameters and callee-save registers. Order here should correspond 722 // Save parameters and callee-save registers. Order here should correspond
713 // to order of kBackup_ebx etc. 723 // to order of kBackup_ebx etc.
714 #ifdef _WIN64 724 #ifdef _WIN64
715 // MSVC passes arguments in rcx, rdx, r8, r9, with backing stack slots. 725 // MSVC passes arguments in rcx, rdx, r8, r9, with backing stack slots.
716 // Store register parameters in pre-allocated stack slots, 726 // Store register parameters in pre-allocated stack slots,
717 __ movq(Operand(rbp, kInputString), rcx); 727 __ movq(Operand(rbp, kInputString), rcx);
718 __ movq(Operand(rbp, kStartIndex), rdx); // Passed as int32 in edx. 728 __ movq(Operand(rbp, kStartIndex), rdx); // Passed as int32 in edx.
719 __ movq(Operand(rbp, kInputStart), r8); 729 __ movq(Operand(rbp, kInputStart), r8);
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1401 } 1411 }
1402 } 1412 }
1403 1413
1404 #undef __ 1414 #undef __
1405 1415
1406 #endif // V8_INTERPRETED_REGEXP 1416 #endif // V8_INTERPRETED_REGEXP
1407 1417
1408 }} // namespace v8::internal 1418 }} // namespace v8::internal
1409 1419
1410 #endif // V8_TARGET_ARCH_X64 1420 #endif // V8_TARGET_ARCH_X64
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