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Issue 222433002: ARM64: Introduce a version of ADR handling distant targets. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fix loop offset Created 6 years, 8 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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 1110 matching lines...) Expand 10 before | Expand all | Expand 10 after
1121 Pop(w10); 1121 Pop(w10);
1122 StoreRegister(register_index, w10); 1122 StoreRegister(register_index, w10);
1123 } 1123 }
1124 1124
1125 1125
1126 void RegExpMacroAssemblerARM64::PushBacktrack(Label* label) { 1126 void RegExpMacroAssemblerARM64::PushBacktrack(Label* label) {
1127 if (label->is_bound()) { 1127 if (label->is_bound()) {
1128 int target = label->pos(); 1128 int target = label->pos();
1129 __ Mov(w10, target + Code::kHeaderSize - kHeapObjectTag); 1129 __ Mov(w10, target + Code::kHeaderSize - kHeapObjectTag);
1130 } else { 1130 } else {
1131 __ Adr(x10, label); 1131 __ Adr(x10, label, MacroAssembler::kAdrFar);
1132 __ Sub(x10, x10, code_pointer()); 1132 __ Sub(x10, x10, code_pointer());
1133 if (masm_->emit_debug_code()) { 1133 if (masm_->emit_debug_code()) {
1134 __ Cmp(x10, kWRegMask); 1134 __ Cmp(x10, kWRegMask);
1135 // The code offset has to fit in a W register. 1135 // The code offset has to fit in a W register.
1136 __ Check(ls, kOffsetOutOfRange); 1136 __ Check(ls, kOffsetOutOfRange);
1137 } 1137 }
1138 } 1138 }
1139 Push(w10); 1139 Push(w10);
1140 CheckStackLimit(); 1140 CheckStackLimit();
1141 } 1141 }
(...skipping 577 matching lines...) Expand 10 before | Expand all | Expand 10 after
1719 __ Ldrh(current_character(), MemOperand(input_end(), offset, SXTW)); 1719 __ Ldrh(current_character(), MemOperand(input_end(), offset, SXTW));
1720 } 1720 }
1721 } 1721 }
1722 } 1722 }
1723 1723
1724 #endif // V8_INTERPRETED_REGEXP 1724 #endif // V8_INTERPRETED_REGEXP
1725 1725
1726 }} // namespace v8::internal 1726 }} // namespace v8::internal
1727 1727
1728 #endif // V8_TARGET_ARCH_ARM64 1728 #endif // V8_TARGET_ARCH_ARM64
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