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Add "AMDisbetter!" cpuid detection

pull/838/head
Jeffrey Walton 2019-05-08 18:51:12 -04:00
parent 986fded372
commit 73bf2f29c0
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GPG Key ID: B36AB348921B1838
1 changed files with 7 additions and 3 deletions
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10
cpu.cpp
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@ -274,10 +274,14 @@ static inline bool IsIntel(const word32 output[4])
static inline bool IsAMD(const word32 output[4])
{
// This is the "AuthenticAMD" string. Some early K5's can return "AMDisbetter!"
return (output[1] /*EBX*/ == 0x68747541) &&
// This is the "AuthenticAMD" string.
return ((output[1] /*EBX*/ == 0x68747541) &&
(output[2] /*ECX*/ == 0x444D4163) &&
(output[3] /*EDX*/ == 0x69746E65);
(output[3] /*EDX*/ == 0x69746E65)) ||
// Some early K5's can return "AMDisbetter!"
((output[1] /*EBX*/ == 0x69444d41) &&
(output[2] /*ECX*/ == 0x74656273) &&
(output[3] /*EDX*/ == 0x21726574));
}
static inline bool IsHygon(const word32 output[4])