Commit 817af1c7 authored by Laurent Vivier's avatar Laurent Vivier
Browse files

target-m68k: add cmpm 



Signed-off-by: default avatarLaurent Vivier <laurent@vivier.eu>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Message-Id: <1477604609-2206-2-git-send-email-laurent@vivier.eu>
Signed-off-by: default avatarRichard Henderson <rth@twiddle.net>
Message-Id: <1478206203-4606-4-git-send-email-rth@twiddle.net>
parent f84aab26

target/m68k/translate.c

+16 −0
Original line number Diff line number Diff line
@@ -2224,6 +2224,21 @@ DISAS_INSN(cmpa) 
    gen_update_cc_cmp(s, reg, src, OS_LONG);

}



DISAS_INSN(cmpm)

{

    int opsize = insn_opsize(insn);

    TCGv src, dst;



    /* Post-increment load (mode 3) from Ay.  */

    src = gen_ea_mode(env, s, 3, REG(insn, 0), opsize,

                      NULL_QREG, NULL, EA_LOADS);

    /* Post-increment load (mode 3) from Ax.  */

    dst = gen_ea_mode(env, s, 3, REG(insn, 9), opsize,

                      NULL_QREG, NULL, EA_LOADS);



    gen_update_cc_cmp(s, dst, src, opsize);

}



DISAS_INSN(eor)

{

    TCGv src;
@@ -3465,6 +3480,7 @@ void register_m68k_insns (CPUM68KState *env) 
    INSN(cmpa,      b1c0, f1c0, CF_ISA_A);

    INSN(cmp,       b000, f100, M68000);

    INSN(eor,       b100, f100, M68000);

    INSN(cmpm,      b108, f138, M68000);

    INSN(cmpa,      b0c0, f0c0, M68000);

    INSN(eor,       b180, f1c0, CF_ISA_A);

    BASE(and,       c000, f000);