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Skyrim SE: Hottest blocks
Skyrim SE's hottest blocks are really hot atomic loop blocks:
1- 6.83% of primary thread
```
6ffffd37ad33 89f8 mov eax, edi {0x1}
6ffffd37ad35 8706 xchg dword [rsi], eax {0x1}
6ffffd37ad37 85c0 test eax, eax
6ffffd37ad39 7555 jne 0x6ffffd37ad90
```
2- 5.12% of primary thread
```
6ffffd4a8300 488d410c lea rax, [rcx+0xc]
6ffffd4a8304 f0ff08 lock dec dword [rax]
6ffffd4a8307 7407 je 0x6ffffd4a8310
```
3- 5.03% of primary thread
```
6ffffd4405f7 lea rax, [rcx+0xc]
6ffffd4405fb lock dec dword [rax]
6ffffd4405fe jne 0x6ffffd44060d
```
lock dec at the very least can optimize away a mov+neg combination in to a mov. Looking at instcountci.
https://github.com/FEX-Emu/FEX/blob/d24446ed139b6740d5e606ddc05b7028b5fecaf8/unittests/InstructionCountCI/FlagM/Atomics.json#L1412
These three blocks are totaling 16.98% of CPU time on the primary thread on Cortex-A78AE. All coming from d3d11.dll in DXVK.
4- 2.7% - RIP: 0x1414df7c7 - SkyrimSE.exe
- Encrypted EXE, needs investigation
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