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adds Vector Widening Integer Multiply-Add Instructions

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Eyck-Alexander Jentzsch 2025-02-17 16:16:39 +01:00
parent ac1322d66b
commit 6852d1d299
1 changed files with 14 additions and 5 deletions
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19
src/vm/vector_functions.hpp
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@ -288,11 +288,20 @@ std::function<dest_elem_t(dest_elem_t, src2_elem_t, src1_elem_t)> get_funct(unsi
return (static_cast<twice_t<std::make_signed_t<src2_elem_t>>>(static_cast<std::make_signed_t<src2_elem_t>>(vs2)) *
static_cast<twice_t<std::make_signed_t<src2_elem_t>>>(static_cast<std::make_signed_t<src1_elem_t>>(vs1)));
};
// case 0b111100: // VWMACCU
// case 0b111101: // VWMACC
// case 0b111110: // VWMACCUS
// case 0b111111: // VWMACCSU
case 0b111100: // VWMACCU
return [](dest_elem_t vd, src2_elem_t vs2, src1_elem_t vs1) { return vs1 * vs2 + vd; };
case 0b111101: // VWMACC
return [](dest_elem_t vd, src2_elem_t vs2, src1_elem_t vs1) {
return static_cast<std::make_signed_t<src1_elem_t>>(vs1) * static_cast<std::make_signed_t<src2_elem_t>>(vs2) + vd;
};
case 0b111110: // VWMACCUS
return [](dest_elem_t vd, src2_elem_t vs2, src1_elem_t vs1) {
return vs1 * static_cast<std::make_signed_t<src2_elem_t>>(vs2) + vd;
};
case 0b111111: // VWMACCSU
return [](dest_elem_t vd, src2_elem_t vs2, src1_elem_t vs1) {
return static_cast<std::make_signed_t<src1_elem_t>>(vs1) * vs2 + vd;
};
default:
throw new std::runtime_error("Uknown funct6 in get_funct");
}