diff mbox series

[v2,21/23] target/i386: Use gen_jmp_rel for DISAS_TOO_MANY

Message ID 20220906100932.343523-22-richard.henderson@linaro.org
State Superseded
Headers show
Series target/i386: pc-relative translation blocks | expand

Commit Message

Richard Henderson Sept. 6, 2022, 10:09 a.m. UTC 
With gen_jmp_rel, we may chain between two translation blocks
which may only be separated because of TB size limits.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/i386/tcg/translate.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Paolo Bonzini Sept. 21, 2022, 1:11 p.m. UTC | #1 
On Tue, Sep 6, 2022 at 12:09 PM Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> With gen_jmp_rel, we may chain between two translation blocks
> which may only be separated because of TB size limits.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  target/i386/tcg/translate.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
> index 7a9e533c6e..97a5f7e432 100644
> --- a/target/i386/tcg/translate.c
> +++ b/target/i386/tcg/translate.c
> @@ -8740,6 +8740,9 @@ static void i386_tr_tb_stop(DisasContextBase *dcbase, CPUState *cpu)
>      case DISAS_NORETURN:
>          break;
>      case DISAS_TOO_MANY:
> +        gen_update_cc_op(dc);
> +        gen_jmp_rel(dc, MO_32, 0, 0);
> +        break;
>      case DISAS_EOB_NEXT:
>          gen_update_cc_op(dc);
>          gen_update_eip_cur(dc);

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

Patch

diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index 7a9e533c6e..97a5f7e432 100644
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -8740,6 +8740,9 @@  static void i386_tr_tb_stop(DisasContextBase *dcbase, CPUState *cpu)
     case DISAS_NORETURN:
         break;
     case DISAS_TOO_MANY:
+        gen_update_cc_op(dc);
+        gen_jmp_rel(dc, MO_32, 0, 0);
+        break;
     case DISAS_EOB_NEXT:
         gen_update_cc_op(dc);
         gen_update_eip_cur(dc);