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"ARM very recently started allowing licensees to add custom instructions, but only for Cortex-M (embedded)." They've reserved a block for that in the encoding
by Followerer 6y ago
"ARM very recently started allowing licensees to add custom instructions, but only for Cortex-M (embedded)."
They've reserved a block for that in the encoding space. Quite exciting! And it makes a lot of sense in embedded world.