[Mesa-dev] [PATCH] nir: create 32-bit bcsel for 32-bit conditions

[Timothy Arceri]

Reviewed-by: Timothy Arceri <tarceri at itsqueeze.com>

On 18/12/18 3:16 am, Rhys Perry wrote:
> Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
> ---
>   src/compiler/nir/nir_opt_peephole_select.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/src/compiler/nir/nir_opt_peephole_select.c b/src/compiler/nir/nir_opt_peephole_select.c
> index ad9d0abec0..241627ed99 100644
> --- a/src/compiler/nir/nir_opt_peephole_select.c
> +++ b/src/compiler/nir/nir_opt_peephole_select.c
> @@ -205,7 +205,9 @@ nir_opt_peephole_select_block(nir_block *block, nir_shader *shader,
>            break;
>   
>         nir_phi_instr *phi = nir_instr_as_phi(instr);
> -      nir_alu_instr *sel = nir_alu_instr_create(shader, nir_op_bcsel);
> +      nir_op sel_op = nir_src_bit_size(if_stmt->condition) == 1 ?
> +                      nir_op_bcsel : nir_op_b32csel;
> +      nir_alu_instr *sel = nir_alu_instr_create(shader, sel_op);
>         nir_src_copy(&sel->src[0].src, &if_stmt->condition, sel);
>         /* Splat the condition to all channels */
>         memset(sel->src[0].swizzle, 0, sizeof sel->src[0].swizzle);
>