Commit ff99b952 authored by Laurent Vivier's avatar Laurent Vivier
Browse files

target-m68k: cmp manages word and bytes operands 



Signed-off-by: default avatarLaurent Vivier <laurent@vivier.eu>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
parent 8a370c6c

target-m68k/translate.c

+11 −6
Original line number Diff line number Diff line
@@ -582,6 +582,13 @@ static void gen_logic_cc(DisasContext *s, TCGv val, int opsize) 
    set_cc_op(s, CC_OP_LOGIC);

}



static void gen_update_cc_cmp(DisasContext *s, TCGv dest, TCGv src, int opsize)

{

    tcg_gen_mov_i32(QREG_CC_N, dest);

    tcg_gen_mov_i32(QREG_CC_V, src);

    set_cc_op(s, CC_OP_CMPB + opsize);

}



static void gen_update_cc_add(TCGv dest, TCGv src, int opsize)

{

    gen_ext(QREG_CC_N, dest, opsize, 1);
@@ -2132,10 +2139,9 @@ DISAS_INSN(cmp) 
    int opsize;



    opsize = insn_opsize(insn);

    SRC_EA(env, src, opsize, -1, NULL);

    reg = DREG(insn, 9);

    gen_update_cc_add(reg, src, OS_LONG);

    set_cc_op(s, CC_OP_CMPL);

    SRC_EA(env, src, opsize, 1, NULL);

    reg = gen_extend(DREG(insn, 9), opsize, 1);

    gen_update_cc_cmp(s, reg, src, opsize);

}



DISAS_INSN(cmpa)
@@ -2151,8 +2157,7 @@ DISAS_INSN(cmpa) 
    }

    SRC_EA(env, src, opsize, 1, NULL);

    reg = AREG(insn, 9);

    gen_update_cc_add(reg, src, OS_LONG);

    set_cc_op(s, CC_OP_CMPL);

    gen_update_cc_cmp(s, reg, src, opsize);

}



DISAS_INSN(eor)