Re: [PATCH for-5.1?] target/i386: Save cc_op before loop insns

[Paolo Bonzini]

Looks good, will queue when I am back---or just send a pull request yourself if you prefer.

Paolo

Il ven 24 lug 2020, 20:35 Richard Henderson <richard.henderson@linaro.org> ha scritto:

Ping?

On 7/20/20 8:40 AM, Richard Henderson wrote:
> We forgot to update cc_op before these branch insns,
> which lead to losing track of the current eflags.
>
> Buglink: https://bugs.launchpad.net/qemu/+bug/1888165
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  target/i386/translate.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/target/i386/translate.c b/target/i386/translate.c
> index a1d31f09c1..caea6f5fb1 100644
> --- a/target/i386/translate.c
> +++ b/target/i386/translate.c
> @@ -7148,6 +7148,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
>              l1 = gen_new_label();
>              l2 = gen_new_label();
>              l3 = gen_new_label();
> +            gen_update_cc_op(s);
>              b &= 3;
>              switch(b) {
>              case 0: /* loopnz */
>