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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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