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dynarmic: Inline exclusive memory accesses

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Inlines implementation of exclusive instructions into JITted code,
improving performance of applications relying heavily on these
instructions.

We also fastmem these instructions for additional speed, with
support for appropriate recompilation on fastmem failure.

An unsafe optimization to disable the intercore global_monitor is also
provided, should one wish to rely solely on cmpxchg semantics for
safety.

See also: merryhime/dynarmic#664
This commit is contained in:
merry
2022-02-27 19:40:05 +00:00
parent 96d90be59f
commit 16784e5bb3
17 changed files with 114 additions and 8 deletions
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2
src/core/arm/exclusive_monitor.h
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@ -23,7 +23,7 @@ public:
virtual u32 ExclusiveRead32(std::size_t core_index, VAddr addr) = 0;
virtual u64 ExclusiveRead64(std::size_t core_index, VAddr addr) = 0;
virtual u128 ExclusiveRead128(std::size_t core_index, VAddr addr) = 0;
virtual void ClearExclusive() = 0;
virtual void ClearExclusive(std::size_t core_index) = 0;
virtual bool ExclusiveWrite8(std::size_t core_index, VAddr vaddr, u8 value) = 0;
virtual bool ExclusiveWrite16(std::size_t core_index, VAddr vaddr, u16 value) = 0;