Commit 308feb93 authored by Laurent Vivier's avatar Laurent Vivier
Browse files

target-m68k: manage pre-dec et post-inc in CAS 



In these cases we must update the address register after
the operation.

Signed-off-by: default avatarLaurent Vivier <laurent@vivier.eu>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Message-Id: <1484332593-16782-4-git-send-email-laurent@vivier.eu>
parent 695576db

target/m68k/translate.c

+9 −0
Original line number Diff line number Diff line
@@ -1963,6 +1963,15 @@ DISAS_INSN(cas) 
    gen_partset_reg(opsize, DREG(ext, 0), load);



    tcg_temp_free(load);



    switch (extract32(insn, 3, 3)) {

    case 3: /* Indirect postincrement.  */

        tcg_gen_addi_i32(AREG(insn, 0), addr, opsize_bytes(opsize));

        break;

    case 4: /* Indirect predecrememnt.  */

        tcg_gen_mov_i32(AREG(insn, 0), addr);

        break;

    }

}



DISAS_INSN(cas2w)