TechHacker Newsabout 4 hours ago
x86 emulator team patched terrible unrolled loop
1 min read
An x86-32 emulator team found a program using 65,536 individual write-byte instructions to initialize 64KB of stack memory. The team added special code to the binary translator to detect this function and replace it with a tight loop. The original code consumed 256KB to initialize 64KB of data.
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