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HostFeatures: Adds flag for SSE4a

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Ryan Houdek committed 2025-10-04 02:51:28 -07:00
1 parent 6f83b10af6
commit 3baa598b9e
4 files changed
+39 -34
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FEXCore/Source/Interface/Config/Config.json.in
+5 -2
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@@ -59,7 +59,9 @@
"ENABLEWFXT": "enablewfxt",
"DISABLEWFXT": "disablewfxt",
"ENABLE3DNOW": "enable3dnow",
"DISABLE3DNOW": "disable3dnow"
"DISABLE3DNOW": "disable3dnow",
"ENABLESSE4A": "enablesse4a",
"DISABLESSE4A": "disablesse4a"
},
"Desc": [
"Allows controlling of the CPU features in the JIT.",
@@ -82,7 +84,8 @@
"\t{enable,disable}svebitperm: Will force enable or disable svebitperm even if the host doesn't support it",
"\t{enable,disable}preserveallabi: Will force enable or disable preserve_all abi even if the host doesn't support it",
"\t{enable,disable}wfxt: Will force enable or disable wfxt even if the host doesn't support it",
"\t{enable,disable}3dnow: Will force enable or disable 3DNow even if the host doesn't support it"
"\t{enable,disable}3dnow: Will force enable or disable 3DNow! even if the host doesn't support it",
"\t{enable,disable}sse4a: Will force enable or disable SSE4a even if the host doesn't support it"
]
},
"SmallTSCScale": {
FEXCore/Source/Interface/Core/CPUID.cpp
+32 -32
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@@ -909,38 +909,38 @@ FEXCore::CPUID::FunctionResults CPUIDEmu::Function_8000_0001h(uint32_t Leaf) con
Res.eax = FAMILY_IDENTIFIER;
Res.ecx = (1 << 0) | // LAHF/SAHF
(1 << 1) | // 0 = Single core product, 1 = multi core product
(0 << 2) | // SVM
(1 << 3) | // Extended APIC register space
(0 << 4) | // LOCK MOV CR0 means MOV CR8
(1 << 5) | // ABM instructions
(0 << 6) | // SSE4a
(0 << 7) | // Misaligned SSE mode
(1 << 8) | // PREFETCHW
(0 << 9) | // OS visible workaround support
(0 << 10) | // Instruction based sampling support
(0 << 11) | // XOP
(0 << 12) | // SKINIT
(0 << 13) | // Watchdog timer support
(0 << 14) | // Reserved
(0 << 15) | // Lightweight profiling support
(0 << 16) | // FMA4
(1 << 17) | // Translation cache extension
(0 << 18) | // Reserved
(0 << 19) | // Reserved
(0 << 20) | // Reserved
(0 << 21) | // XOP-TBM
(0 << 22) | // Topology extensions support
(0 << 23) | // Core performance counter extensions
(0 << 24) | // NB performance counter extensions
(0 << 25) | // Reserved
(0 << 26) | // Data breakpoints extensions
(0 << 27) | // Performance TSC
(0 << 28) | // L2 perf counter extensions
(0 << 29) | // MONITORX
(0 << 30) | // Reserved
(0 << 31); // Reserved
Res.ecx = (1 << 0) | // LAHF/SAHF
(1 << 1) | // 0 = Single core product, 1 = multi core product
(0 << 2) | // SVM
(1 << 3) | // Extended APIC register space
(0 << 4) | // LOCK MOV CR0 means MOV CR8
(1 << 5) | // ABM instructions
(CTX->HostFeatures.SupportsSSE4a << 6) | // SSE4a
(0 << 7) | // Misaligned SSE mode
(1 << 8) | // PREFETCHW
(0 << 9) | // OS visible workaround support
(0 << 10) | // Instruction based sampling support
(0 << 11) | // XOP
(0 << 12) | // SKINIT
(0 << 13) | // Watchdog timer support
(0 << 14) | // Reserved
(0 << 15) | // Lightweight profiling support
(0 << 16) | // FMA4
(1 << 17) | // Translation cache extension
(0 << 18) | // Reserved
(0 << 19) | // Reserved
(0 << 20) | // Reserved
(0 << 21) | // XOP-TBM
(0 << 22) | // Topology extensions support
(0 << 23) | // Core performance counter extensions
(0 << 24) | // NB performance counter extensions
(0 << 25) | // Reserved
(0 << 26) | // Data breakpoints extensions
(0 << 27) | // Performance TSC
(0 << 28) | // L2 perf counter extensions
(0 << 29) | // MONITORX
(0 << 30) | // Reserved
(0 << 31); // Reserved
Res.edx = (1 << 0) | // FPU
(1 << 1) | // Virtual mode extensions
FEXCore/include/FEXCore/Core/HostFeatures.h
+1
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@@ -40,6 +40,7 @@ struct HostFeatures {
bool SupportsECV {};
bool SupportsWFXT {};
bool Supports3DNow {};
bool SupportsSSE4a {};
// Float exception behaviour
bool SupportsAFP {};
Source/Common/HostFeatures.cpp
+1
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@@ -436,6 +436,7 @@ static void OverrideFeatures(FEXCore::HostFeatures* Features, uint64_t ForceSVEW
ENABLE_DISABLE_OPTION(SupportsPreserveAllABI, PRESERVEALLABI, PRESERVEALLABI);
ENABLE_DISABLE_OPTION(SupportsWFXT, WFXT, WFXT);
ENABLE_DISABLE_OPTION(Supports3DNow, 3DNOW, 3DNOW);
ENABLE_DISABLE_OPTION(SupportsSSE4a, SSE4A, SSE4A);
GET_SINGLE_OPTION(Crypto, CRYPTO);
#undef ENABLE_DISABLE_OPTION