What's your preferred name for an asm instruction that calculates (rs1 & ~rs2)?
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NIMPLIES for (rs1 & ~rs2)
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what's the n mean in the x86 instruction? param name in the encoding?
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x86 ANDN = "and not" PPC ANDC = "and complement"
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A much less useful instruction. DEC machines had BIC and BIS (aka OR) but no AND. If you have both then ANDC and ORC make more sense.
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Yes, I agree and am fully aware that it's significantly less useful. See https://lists.riscv.org/g/tech-bitmanip/topic/orc_xnor_revisited/31763064?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,2,0,31763064 … for context.
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Where's "CONVIMP"? :)
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&~ and |~ ;)
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