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Fix CPU feature detection on older Celerons

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This commit is contained in:
Jeffrey Walton 2023-10-12 02:28:24 -04:00
parent 19f0e3aa1e
commit af7d1050bf
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1 changed files with 7 additions and 6 deletions
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13
cpu.cpp
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@ -603,15 +603,16 @@ void DetectX86Features()
(cpuid1[ECX_REG] & OSXSAVE_FLAG) != 0;
#endif
#if defined(__sun)
// Solaris 11 i86pc does not signal SSE support using
// OSXSAVE. We need to probe for SSE support.
// OSXSAVE. Additionally, Fedora 38 on a 2015 Celeron
// N3700 does not set OSXSAVE. So we need to explicitly
// probe for SSE support on rare occasions. Ugh...
if (g_hasSSE2 == false)
{
g_hasSSE2 = CPU_ProbeSSE2();
#endif
if (g_hasSSE2 == false)
goto done;
if (g_hasSSE2 == false)
goto done;
}
g_hasSSSE3 = (cpuid1[ECX_REG] & SSSE3_FLAG) != 0;
g_hasSSE41 = (cpuid1[ECX_REG] & SSE41_FLAG) != 0;