On Tue, Dec 5, 2017 at 12:51 AM, Pierre Moreau <pierre.mor...@free.fr> wrote:
> Those operations do not map to actual hardware instructions, therefore
> those should always be lowered to 32-bit instructions.
>
> Fixes: 009c54aa7af "nv50/ir: Split 64-bit integer MAD/MUL operations"
> Signed-off-by: Pierre Moreau <pierre.mor...@free.fr>

Reviewed-by: Karol Herbst <kher...@redhat.com>

yeah, this is totally required to do in any case.

> ---
>  src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp 
> b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
> index 61d4e6a2d0..14bdcea2ca 100644
> --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
> +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
> @@ -3794,7 +3794,7 @@ Program::optimizeSSA(int level)
>     RUN_PASS(2, AlgebraicOpt, run);
>     RUN_PASS(2, ModifierFolding, run); // before load propagation -> less 
> checks
>     RUN_PASS(1, ConstantFolding, foldAll);
> -   RUN_PASS(1, Split64BitOpPreRA, run);
> +   RUN_PASS(0, Split64BitOpPreRA, run);
>     RUN_PASS(1, LoadPropagation, run);
>     RUN_PASS(1, IndirectPropagation, run);
>     RUN_PASS(2, MemoryOpt, run);
> --
> 2.15.0
>
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