Commit 18dd87f2 authored by Richard Henderson's avatar Richard Henderson Committed by Laurent Vivier
Browse files

target-m68k: Remove incorrect clearing of cc_x 



The CF docs certainly doesnt suggest this is true.

Signed-off-by: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarLaurent Vivier <laurent@vivier.eu>
parent 99c51448

target-m68k/helper.c

+0 −7
Original line number Diff line number Diff line
@@ -207,19 +207,12 @@ static uint32_t cpu_m68k_flush_flags(CPUM68KState *env, int op) 
        break;

    case CC_OP_LOGICB:

        SET_NZ(dest, int8_t);

        goto set_x;

        break;

    case CC_OP_LOGICW:

        SET_NZ(dest, int16_t);

        goto set_x;

        break;

    case CC_OP_LOGIC:

        SET_NZ(dest, int32_t);

set_x:

        if (!m68k_feature(env, M68K_FEATURE_M68000)) {

            /* Unlike m68k, coldfire always clears the overflow bit.  */

            env->cc_x = 0;

        }

        break;

    case CC_OP_ADDB:

        SET_FLAGS_ADD(int8_t, uint8_t);