Re: [Qemu-devel] [PATCH 1/2] ppc: Convert ctr, lr moves to TCG

[Aurelien Jarno]

On Sun, Sep 14, 2008 at 01:06:05PM +0200, Andreas Färber wrote:
> Introduce TCG variables cpu_{ctr,lr} and replace  
> op_{load,store}_{lr,ctr} with tcg_gen_mov_tl.
>
> Signed-off-by: Andreas Faerber <address@hidden>

Applied, thanks.

> ---
>  Hello,
>
>  A quick inbox search for ppc did not reveal new patches, so I hope  
> these two still apply.
>
>  Andreas
>
>  target-ppc/op.c             |   24 ------------------------
>  target-ppc/translate.c      |    8 ++++++++
>  target-ppc/translate_init.c |    8 ++++----
>  3 files changed, 12 insertions(+), 28 deletions(-)
>
> diff --git a/target-ppc/op.c b/target-ppc/op.c
> index 01b944b..95ab8b9 100644
> --- a/target-ppc/op.c
> +++ b/target-ppc/op.c
> @@ -233,30 +233,6 @@ void OPPROTO op_mask_spr (void)
>      RETURN();
>  }
>
> -void OPPROTO op_load_lr (void)
> -{
> -    T0 = env->lr;
> -    RETURN();
> -}
> -
> -void OPPROTO op_store_lr (void)
> -{
> -    env->lr = T0;
> -    RETURN();
> -}
> -
> -void OPPROTO op_load_ctr (void)
> -{
> -    T0 = env->ctr;
> -    RETURN();
> -}
> -
> -void OPPROTO op_store_ctr (void)
> -{
> -    env->ctr = T0;
> -    RETURN();
> -}
> -
>  void OPPROTO op_load_tbl (void)
>  {
>      T0 = cpu_ppc_load_tbl(env);
> diff --git a/target-ppc/translate.c b/target-ppc/translate.c
> index 6561304..cc1f836 100644
> --- a/target-ppc/translate.c
> +++ b/target-ppc/translate.c
> @@ -61,6 +61,8 @@ static TCGv cpu_fpr[32];
>  static TCGv cpu_avrh[32], cpu_avrl[32];
>  static TCGv cpu_crf[8];
>  static TCGv cpu_nip;
> +static TCGv cpu_ctr;
> +static TCGv cpu_lr;
>
>  /* dyngen register indexes */
>  static TCGv cpu_T[3];
> @@ -168,6 +170,12 @@ void ppc_translate_init(void)
>      cpu_nip = tcg_global_mem_new(TCG_TYPE_TL, TCG_AREG0,
>                                   offsetof(CPUState, nip), "nip");
>
> +    cpu_ctr = tcg_global_mem_new(TCG_TYPE_TL, TCG_AREG0,
> +                                 offsetof(CPUState, ctr), "ctr");
> +
> +    cpu_lr = tcg_global_mem_new(TCG_TYPE_TL, TCG_AREG0,
> +                                offsetof(CPUState, lr), "lr");
> +
>      /* register helpers */
>  #undef DEF_HELPER
>  #define DEF_HELPER(ret, name, params) tcg_register_helper(name, #name);
> diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
> index 9393e3b..3e103dd 100644
> --- a/target-ppc/translate_init.c
> +++ b/target-ppc/translate_init.c
> @@ -110,23 +110,23 @@ static void spr_write_xer (void *opaque, int sprn)
>  /* LR */
>  static void spr_read_lr (void *opaque, int sprn)
>  {
> -    gen_op_load_lr();
> +    tcg_gen_mov_tl(cpu_T[0], cpu_lr);
>  }
>
>  static void spr_write_lr (void *opaque, int sprn)
>  {
> -    gen_op_store_lr();
> +    tcg_gen_mov_tl(cpu_lr, cpu_T[0]);
>  }
>
>  /* CTR */
>  static void spr_read_ctr (void *opaque, int sprn)
>  {
> -    gen_op_load_ctr();
> +    tcg_gen_mov_tl(cpu_T[0], cpu_ctr);
>  }
>
>  static void spr_write_ctr (void *opaque, int sprn)
>  {
> -    gen_op_store_ctr();
> +    tcg_gen_mov_tl(cpu_ctr, cpu_T[0]);
>  }
>
>  /* User read access to SPR */
> -- 
> 1.5.5.1
>



-- 
  .''`.  Aurelien Jarno             | GPG: 1024D/F1BCDB73
 : :' :  Debian developer           | Electrical Engineer
 `. `'   address@hidden         | address@hidden
   `-    people.debian.org/~aurel32 | www.aurel32.net