CPUID
[Utilities]

Data Structures
struct	ssp_cpuid
CPUID Operations
enum	ssp_cpu_feature {   SSP_REF, SSP_SSE, SSP_SSE2, SSP_SSE3,   SSP_SSSE3, SSP_SSE4a, SSP_SSE4_1, SSP_SSE4_2,   SSP_SSE5, SSP_SSE_COUNT }
ssp_cpuid	ssp_get_cpuid ()
int	ssp_is_supported (ssp_cpu_feature index)

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Enumeration Type Documentation

enum ssp_cpu_feature

Enumerator:

SSP_REF
SSP_SSE
SSP_SSE2
SSP_SSE3
SSP_SSSE3
SSP_SSE4a
SSP_SSE4_1
SSP_SSE4_2
SSP_SSE5
SSP_SSE_COUNT

Definition at line 18 of file SSEPlus_CPUID.h.

{
    SSP_REF,
    SSP_SSE,
    SSP_SSE2,
    SSP_SSE3,
    SSP_SSSE3,
    SSP_SSE4a,
    SSP_SSE4_1,
    SSP_SSE4_2,
    SSP_SSE5,
    SSP_SSE_COUNT
}ssp_cpu_feature;

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Function Documentation

ssp_cpuid ssp_get_cpuid

(

)

Definition at line 38 of file SSEPlus_CPUID.h.

{
    unsigned maxInfoType;
    ssp_cpuid cpu;
    int data[4], i;

    for( i=0; i<SSP_SSE_COUNT; ++i )
    {
        cpu.feature[i] = 0;
    }

    __cpuid( data, 0 );  
    maxInfoType = data[0] + 0x80000000;

    __cpuid( data, 1 );      

    cpu.feature[SSP_SSE   ] = (data[3] & 0x1000000) || 0;  // EDX: bit 25
    cpu.feature[SSP_SSE2  ] = (data[3] & 0x2000000) || 0;  // EDX: bit 26
    cpu.feature[SSP_SSE3  ] = (data[2] & 0x1      ) || 0;  // ECX: bit 0
    cpu.feature[SSP_SSSE3 ] = (data[2] & 0x100    ) || 0;  // ECX: bit 9
    cpu.feature[SSP_SSE4_1] = (data[2] & 0x40000  ) || 0;  // ECX: bit 19
    cpu.feature[SSP_SSE4_2] = (data[2] & 0x80000  ) || 0;  // ECX: bit 20     

    if( maxInfoType >= 0x80000001 )
    {
        __cpuid( data, 0x80000001 );        
        
        cpu.feature[ SSP_SSE4a ] = (data[2] & 0x40  ) || 0;  // ECX: bit 6
        cpu.feature[ SSP_SSE5  ] = (data[2] & 0x800 ) || 0;  // ECX: bit 11    
    }
   
    return cpu;    
}

int ssp_is_supported

(

ssp_cpu_feature

index

)

Definition at line 72 of file SSEPlus_CPUID.h.

{
    ssp_cpuid cpu = ssp_get_cpuid();
    return cpu.feature[ index ];
}

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