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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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1352 entry->safepoint_entry.Reset(); | 1352 entry->safepoint_entry.Reset(); |
1353 entry->inner_pointer = inner_pointer; | 1353 entry->inner_pointer = inner_pointer; |
1354 } | 1354 } |
1355 return entry; | 1355 return entry; |
1356 } | 1356 } |
1357 | 1357 |
1358 | 1358 |
1359 // ------------------------------------------------------------------------- | 1359 // ------------------------------------------------------------------------- |
1360 | 1360 |
1361 int NumRegs(RegList reglist) { | 1361 int NumRegs(RegList reglist) { |
1362 int n = 0; | 1362 return CompilerIntrinsics::CountSetBits(reglist); |
1363 while (reglist != 0) { | |
1364 n++; | |
1365 reglist &= reglist - 1; // clear one bit | |
1366 } | |
1367 return n; | |
1368 } | 1363 } |
1369 | 1364 |
1370 | 1365 |
1371 struct JSCallerSavedCodeData { | 1366 struct JSCallerSavedCodeData { |
1372 JSCallerSavedCodeData() { | 1367 JSCallerSavedCodeData() { |
1373 int i = 0; | 1368 int i = 0; |
1374 for (int r = 0; r < kNumRegs; r++) | 1369 for (int r = 0; r < kNumRegs; r++) |
1375 if ((kJSCallerSaved & (1 << r)) != 0) | 1370 if ((kJSCallerSaved & (1 << r)) != 0) |
1376 reg_code[i++] = r; | 1371 reg_code[i++] = r; |
1377 | 1372 |
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1420 ZoneList<StackFrame*> list(10); | 1415 ZoneList<StackFrame*> list(10); |
1421 for (StackFrameIterator it; !it.done(); it.Advance()) { | 1416 for (StackFrameIterator it; !it.done(); it.Advance()) { |
1422 StackFrame* frame = AllocateFrameCopy(it.frame()); | 1417 StackFrame* frame = AllocateFrameCopy(it.frame()); |
1423 list.Add(frame); | 1418 list.Add(frame); |
1424 } | 1419 } |
1425 return list.ToVector(); | 1420 return list.ToVector(); |
1426 } | 1421 } |
1427 | 1422 |
1428 | 1423 |
1429 } } // namespace v8::internal | 1424 } } // namespace v8::internal |
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