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Re: [PATCH v2 04/23] target/i386: Remove cur_eip, next_eip arguments to


From: Paolo Bonzini
Subject: Re: [PATCH v2 04/23] target/i386: Remove cur_eip, next_eip arguments to gen_interrupt
Date: Wed, 21 Sep 2022 13:51:54 +0200

On Tue, Sep 6, 2022 at 4:46 PM Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
>
> On 6/9/22 12:09, Richard Henderson wrote:
> > All callers pass s->base.pc_next and s->pc, which we can just
> > as well compute within the function.
> >
> > Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> > ---
> >   target/i386/tcg/translate.c | 13 ++++++-------
> >   1 file changed, 6 insertions(+), 7 deletions(-)
> >
> > diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
> > index 58e74c3162..0210382f77 100644
> > --- a/target/i386/tcg/translate.c
> > +++ b/target/i386/tcg/translate.c
> > @@ -2602,13 +2602,12 @@ static void gen_unknown_opcode(CPUX86State *env, 
> > DisasContext *s)
> >
> >   /* an interrupt is different from an exception because of the
> >      privilege checks */
> > -static void gen_interrupt(DisasContext *s, int intno,
> > -                          target_ulong cur_eip, target_ulong next_eip)
> > +static void gen_interrupt(DisasContext *s, int intno)
> >   {
> >       gen_update_cc_op(s);
> > -    gen_jmp_im(s, cur_eip);
> > -    gen_helper_raise_interrupt(cpu_env, tcg_const_i32(intno),
> > -                               tcg_const_i32(next_eip - cur_eip));
> > +    gen_jmp_im(s, s->base.pc_next - s->cs_base);
> > +    gen_helper_raise_interrupt(cpu_env, tcg_constant_i32(intno),
> > +                               tcg_constant_i32(s->pc - s->base.pc_next));

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>




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