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Re: [Qemu-devel] [PATCH 05/40] Add vavg{s,u}{b,h,w} instructions.


From: Aurelien Jarno
Subject: Re: [Qemu-devel] [PATCH 05/40] Add vavg{s,u}{b,h,w} instructions.
Date: Sat, 3 Jan 2009 14:33:33 +0100
User-agent: Mutt/1.5.18 (2008-05-17)

On Tue, Dec 30, 2008 at 07:09:47PM -0800, Nathan Froyd wrote:
> 
> Signed-off-by: Nathan Froyd <address@hidden>
> ---
>  target-ppc/helper.h    |    7 +++++++
>  target-ppc/op_helper.c |   19 +++++++++++++++++++
>  target-ppc/translate.c |    7 +++++++
>  3 files changed, 33 insertions(+), 0 deletions(-)

Thanks, applied.

> diff --git a/target-ppc/helper.h b/target-ppc/helper.h
> index e69fceb..214bbf1 100644
> --- a/target-ppc/helper.h
> +++ b/target-ppc/helper.h
> @@ -105,6 +105,13 @@ DEF_HELPER_3(vadduwm, void, avr, avr, avr)
>  DEF_HELPER_3(vsububm, void, avr, avr, avr)
>  DEF_HELPER_3(vsubuhm, void, avr, avr, avr)
>  DEF_HELPER_3(vsubuwm, void, avr, avr, avr)
> +DEF_HELPER_3(vavgub, void, avr, avr, avr)
> +DEF_HELPER_3(vavguh, void, avr, avr, avr)
> +DEF_HELPER_3(vavguw, void, avr, avr, avr)
> +DEF_HELPER_3(vavgsb, void, avr, avr, avr)
> +DEF_HELPER_3(vavgsh, void, avr, avr, avr)
> +DEF_HELPER_3(vavgsw, void, avr, avr, avr)
> +
>  DEF_HELPER_1(efscfsi, i32, i32)
>  DEF_HELPER_1(efscfui, i32, i32)
>  DEF_HELPER_1(efscfuf, i32, i32)
> diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
> index 6d4bd1e..8f2508f 100644
> --- a/target-ppc/op_helper.c
> +++ b/target-ppc/op_helper.c
> @@ -1988,6 +1988,25 @@ VARITH(uwm, u32)
>  #undef VARITH_DO
>  #undef VARITH
>  
> +#define VAVG_DO(name, element, etype)                                   \
> +    void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)      \
> +    {                                                                   \
> +        int i;                                                          \
> +        for (i = 0; i < ARRAY_SIZE(r->element); i++) {                  \
> +            etype x = (etype)a->element[i] + (etype)b->element[i] + 1;  \
> +            r->element[i] = x >> 1;                                     \
> +        }                                                               \
> +    }
> +
> +#define VAVG(type, signed_element, signed_type, unsigned_element, 
> unsigned_type) \
> +    VAVG_DO(avgs##type, signed_element, signed_type)                    \
> +    VAVG_DO(avgu##type, unsigned_element, unsigned_type)
> +VAVG(b, s8, int16_t, u8, uint16_t)
> +VAVG(h, s16, int32_t, u16, uint32_t)
> +VAVG(w, s32, int64_t, u32, uint64_t)
> +#undef VAVG_DO
> +#undef VAVG
> +
>  #undef VECTOR_FOR_INORDER_I
>  #undef HI_IDX
>  #undef LO_IDX
> diff --git a/target-ppc/translate.c b/target-ppc/translate.c
> index a35ff1a..1ccd37e 100644
> --- a/target-ppc/translate.c
> +++ b/target-ppc/translate.c
> @@ -6187,6 +6187,13 @@ GEN_VXFORM(vadduwm, 0, 2);
>  GEN_VXFORM(vsububm, 0, 16);
>  GEN_VXFORM(vsubuhm, 0, 17);
>  GEN_VXFORM(vsubuwm, 0, 18);
> +GEN_VXFORM(vavgub, 1, 16);
> +GEN_VXFORM(vavguh, 1, 17);
> +GEN_VXFORM(vavguw, 1, 18);
> +GEN_VXFORM(vavgsb, 1, 20);
> +GEN_VXFORM(vavgsh, 1, 21);
> +GEN_VXFORM(vavgsw, 1, 22);
> +
>  /***                           SPE extension                               
> ***/
>  /* Register moves */
>  
> -- 
> 1.6.0.5
> 
> 
> 
> 

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




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