add_filter( 'genesis_post_info', 'sk_post_info_filter' );
function sk_post_info_filter($post_info) {
    if ( is_sticky( ) ) {
        $post_info = 'by [post_author_posts_link] [post_comments] [post_edit]';
    }
    else {
        $post_info = '[post_date] by [post_author_posts_link] [post_comments] [post_edit]';
    }
    return $post_info;
}