[Mesa-dev] Removing unused opcodes (TGSI, Mesa IR)

[Marek Olšák]

Nine can lower ARR into ROUND+ARL easily.

Marek

On Thu, Nov 13, 2014 at 3:33 PM, Jose Fonseca <jfonseca at vmware.com> wrote:
> It looks like ARR is generated, as src/gallium/state_trackers/nine/nine_shader.c has
>
> #define _OPI(o,t,vv1,vv2,pv1,pv2,d,s,h) \
>     { D3DSIO_##o, TGSI_OPCODE_##t, { vv1, vv2 }, { pv1, pv2, }, d, s, h }
>
> [...]
>
>   _OPI(MOVA, ARR, V(2,0), V(3,0), V(0,0), V(0,0), 1, 1, NULL),
>
>
> Jose
>
> ________________________________________
> From: mesa-dev <mesa-dev-bounces at lists.freedesktop.org> on behalf of Eric Anholt <eric at anholt.net>
> Sent: 13 November 2014 01:43
> To: Ilia Mirkin
> Cc: mesa-dev at lists.freedesktop.org
> Subject: Re: [Mesa-dev] Removing unused opcodes (TGSI, Mesa IR)
>
> Ilia Mirkin <imirkin at alum.mit.edu> writes:
>
>> AFAIK at least some of these (NRM, ARR, probably others) were being used by
>> the d3d9 state tracker. Not sure what its status is, but I believe the hope
>> was to eventually get it into the tree.
>
> They've got code for lowering NRM and CND to sanity, and no use of ARR,
> ARA, X2D, RFL, STR, SFL, or BRA.
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