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WheretIB
searching PlanetScale…
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by
WheretIB
11y ago
While AMD GPU can't do 64x64 multiplies that give 128-bit results, they still can do a 32x32 multiply with a 64-bit result. (MULHI_ INT and MULLO_ INT instructions). And you can do add-with-carry manually on the AMD GPU using two instr