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https://github.com/FEX-Emu/FEX.git
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Alyssa Rosenzweig
046043090f
this hits a nasty case with post-RA merging. fails on main. Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
32 lines
534 B
NASM
32 lines
534 B
NASM
%ifdef CONFIG
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{
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"RegData": {
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"RAX": "0xaaaa",
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"RBX": "0xaaaa",
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"RSI": "0xbbbb"
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}
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}
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%endif
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; FEX had a bug with mov+xchg back-to-back due to failing to account for a copy
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; inserted during RA. This resulted in a hang starting the game Hades due to the
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; mov+xchg code sequence found within Wine's x64 build of ucrtbase.dll.
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mov rax, 0xaaaa
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mov rbx, 0xbbbb
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mov rsi, 0xcccc
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; step 1
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mov rsi,rax
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; rax = 0xaaaa
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; rbx = 0xbbbb
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; rsi = 0xaaaa
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; step 2
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xchg rbx,rsi
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; rax = 0xaaaa
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; rbx = 0xaaaa
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; rsi = 0xbbbb
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hlt
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