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ISA 3.1 of the PowerPC added new Matrix-Multiply Assist (MMA) instructions.
GCC provides support for these instructions through the following built-in
functions which are enabled with the -mmma option. The vec_t type
below is defined to be a normal vector unsigned char type. The uint2, uint4
and uint8 parameters are 2-bit, 4-bit and 8-bit unsigned integer constants
respectively. The compiler will verify that they are constants and that
their values are within range.Â
The built-in functions supported are:
void __builtin_mma_xvi4ger8 (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvi8ger4 (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvi16ger2 (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvi16ger2s (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvf16ger2 (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvbf16ger2 (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvf32ger (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvi4ger8pp (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvi8ger4pp (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvi8ger4spp(__vector_quad *, vec_t, vec_t); void __builtin_mma_xvi16ger2pp (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvi16ger2spp (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvf16ger2pp (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvf16ger2pn (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvf16ger2np (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvf16ger2nn (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvbf16ger2pp (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvbf16ger2pn (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvbf16ger2np (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvbf16ger2nn (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvf32gerpp (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvf32gerpn (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvf32gernp (__vector_quad *, vec_t, vec_t); void __builtin_mma_xvf32gernn (__vector_quad *, vec_t, vec_t); void __builtin_mma_pmxvi4ger8 (__vector_quad *, vec_t, vec_t, uint4, uint4, uint8); void __builtin_mma_pmxvi4ger8pp (__vector_quad *, vec_t, vec_t, uint4, uint4, uint8); void __builtin_mma_pmxvi8ger4 (__vector_quad *, vec_t, vec_t, uint4, uint4, uint4); void __builtin_mma_pmxvi8ger4pp (__vector_quad *, vec_t, vec_t, uint4, uint4, uint4); void __builtin_mma_pmxvi8ger4spp(__vector_quad *, vec_t, vec_t, uint4, uint4, uint4); void __builtin_mma_pmxvi16ger2 (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvi16ger2s (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvf16ger2 (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvbf16ger2 (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvi16ger2pp (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvi16ger2spp (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvf16ger2pp (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvf16ger2pn (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvf16ger2np (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvf16ger2nn (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvbf16ger2pp (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvbf16ger2pn (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvbf16ger2np (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvbf16ger2nn (__vector_quad *, vec_t, vec_t, uint4, uint4, uint2); void __builtin_mma_pmxvf32ger (__vector_quad *, vec_t, vec_t, uint4, uint4); void __builtin_mma_pmxvf32gerpp (__vector_quad *, vec_t, vec_t, uint4, uint4); void __builtin_mma_pmxvf32gerpn (__vector_quad *, vec_t, vec_t, uint4, uint4); void __builtin_mma_pmxvf32gernp (__vector_quad *, vec_t, vec_t, uint4, uint4); void __builtin_mma_pmxvf32gernn (__vector_quad *, vec_t, vec_t, uint4, uint4); void __builtin_mma_xvf64ger (__vector_quad *, __vector_pair, vec_t); void __builtin_mma_xvf64gerpp (__vector_quad *, __vector_pair, vec_t); void __builtin_mma_xvf64gerpn (__vector_quad *, __vector_pair, vec_t); void __builtin_mma_xvf64gernp (__vector_quad *, __vector_pair, vec_t); void __builtin_mma_xvf64gernn (__vector_quad *, __vector_pair, vec_t); void __builtin_mma_pmxvf64ger (__vector_quad *, __vector_pair, vec_t, uint4, uint2); void __builtin_mma_pmxvf64gerpp (__vector_quad *, __vector_pair, vec_t, uint4, uint2); void __builtin_mma_pmxvf64gerpn (__vector_quad *, __vector_pair, vec_t, uint4, uint2); void __builtin_mma_pmxvf64gernp (__vector_quad *, __vector_pair, vec_t, uint4, uint2); void __builtin_mma_pmxvf64gernn (__vector_quad *, __vector_pair, vec_t, uint4, uint2); void __builtin_mma_xxmtacc (__vector_quad *); void __builtin_mma_xxmfacc (__vector_quad *); void __builtin_mma_xxsetaccz (__vector_quad *); void __builtin_mma_assemble_acc (__vector_quad *, vec_t, vec_t, vec_t, vec_t); void __builtin_mma_disassemble_acc (void *, __vector_quad *); void __builtin_mma_assemble_pair (__vector_pair *, vec_t, vec_t); void __builtin_mma_disassemble_pair (void *, __vector_pair *); vec_t __builtin_vsx_xvcvspbf16 (vec_t); vec_t __builtin_vsx_xvcvbf16spn (vec_t);
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