Fix NOP padding #325
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Fix NOP padding #325
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The new NOP emitter breaks when called with a negative count. As it turns out, it did happen when deoptimizing 8 bit MOVs because they are only 4 bytes long and need no BSWAP.
and use MOVSX directly if needed.
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(Fixed the lint error.) |
| @@ -8,6 +8,9 @@ | |||
| #include "Common/x64Analyzer.h" | |||
| #include "Common/x64Emitter.h" | |||
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| // We need at least this many bytes for backpatching. | |||
| const int BACKPATCH_SIZE = 5; | |||
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This fixes PR #304 (optimize NOPs).
The new NOP emitter breaks when called with a negative count. As it turns out, it did happen when deoptimizing 8 bit stores because they are only 4 bytes long and need no BSWAP.