target-arm: Pull "add one cpreg to hashtable" into its own function
define_one_arm_cp_reg_with_opaque() has a set of nested loops which insert a cpreg entry into the hashtable for each of the possible opc/crn/crm values allowed by wildcard specifications. We're about to add an extra loop to this nesting, so pull the core of the loop (which adds a single entry to the hashtable) out into its own function for clarity. Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NRichard Henderson <rth@twiddle.net>
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