Subversion Repositories scarts

; Insns introduced for the MeP-h1 core

;

(dnci stcb_r "store in control bus space" (VOLATILE (MACH h1))

     "stcb $rn,($rma)"

     (+ MAJ_7 rn rma (f-sub4 12))

     (c-call VOID "do_stcb" rn (and rma #xffff))

     ((mep (unit u-use-gpr (in usereg rn))

           (unit u-use-gpr (in usereg rma))

           (unit u-exec)

           (unit u-stcb))))

(dnci ldcb_r "load from control bus space" (VOLATILE (MACH h1) (LATENCY 3))

     "ldcb $rn,($rma)"

     (+ MAJ_7 rn rma (f-sub4 13))

     (set rn (c-call SI "do_ldcb" (and rma #xffff)))

      ((mep (unit u-use-gpr (in usereg rma))

            (unit u-ldcb)

            (unit u-exec)

            (unit u-ldcb-gpr (out loadreg rn)))))

(dnci pref "cache prefetch" ((MACH h1) VOLATILE)

     "pref $cimm4,($rma)"

     (+ MAJ_7 cimm4 rma (f-sub4 5))

     (sequence ()

               (c-call VOID "check_option_dcache" pc)

               (c-call VOID "do_cache_prefetch" cimm4 rma pc))

     ((mep (unit u-use-gpr (in usereg rma))

           (unit u-exec))))