On Monday, January 19, 2015 03:31:06 PM Matt Turner wrote:
> ---
> src/mesa/drivers/dri/i965/brw_shader.cpp | 10 ++++++++++
> src/mesa/drivers/dri/i965/brw_shader.h | 1 +
> src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp | 6 +-----
> 3 files changed, 12 insertions(+), 5 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp
> b/src/mesa/drivers/dri/i965/brw_shader.cpp
> index cbdf976..c6fead7 100644
> --- a/src/mesa/drivers/dri/i965/brw_shader.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
> @@ -678,6 +678,16 @@ backend_reg::is_accumulator() const
> }
>
> bool
> +backend_instruction::is_3src() const
> +{
> + return opcode == BRW_OPCODE_LRP ||
> + opcode == BRW_OPCODE_MAD ||
> + opcode == BRW_OPCODE_BFE ||
> + opcode == BRW_OPCODE_BFI2 ||
> + opcode == BRW_OPCODE_CSEL;Pah, manual listings of things :) Let's do even better: return opcode < 128 && opcode_descs[op].nsrc == 3; That would get Reviewed-by: Kenneth Graunke <kenn...@whitecape.org>
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