AMD Zen dropped a few instructions sets from the previous architecture. FMA4 https://en.wikipedia.org/wiki/FMA_instruction_set#FMA4_instruction_set https://en.

AMD Zen dropped a few instructions sets from the previous architecture. FMA4 https://en.wikipedia.org/wiki/FMA_instruction_set#FMA4_instruction_set https://en.wikipedia.org/wiki/FMA_instruction_set#FMA4_instr... XOP https://en.wikipedia.org/wiki/XOP_instruction_set https://en.wikipedia.org/wiki/XOP_instruction_set TBM https://en.wikipedia.org/wiki/Bit_manipulation_instruction_set#TBM https://en.wikipedia.org/wiki/Bit_manipulation_instruction_s...