Originally posted by dxxvi
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znver1 is for first-generation "zen" cpus, aka the Ryzen/Threadripper/EPYC cpus that were released this year. AMD will likely make improved second-generation "zen" cpus in a year or two. Then, GCC will probably add a znver2 option for them.
This is similar to the support for AMD's previous architecture. GCC has the bdver1 option to support the first-gen Bulldozer CPUs (came out in 2012 IIRC). Then, there is bdver2 for second-generation Bulldozer (aka "Piledriver") and so on.
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