bechordal_draw: Remove the write-only attribute max_color from struct draw_chordal_env_t.

diff --git a/ir/be/bechordal_draw.c b/ir/be/bechordal_draw.c
index e6f70a4..3f37941 100644 (file)
--- a/ir/be/bechordal_draw.c
+++ b/ir/be/bechordal_draw.c
@@ -173,7 +173,6 @@ typedef struct draw_chordal_env_t {
        plotter_t                   *plotter;
        const draw_chordal_opts_t   *opts;
        struct obstack              obst;
-       int                         max_color;
 } draw_chordal_env_t;
 
 struct block_dims {
@@ -199,7 +198,6 @@ static void block_dims_walker(ir_node *block, void *data)
 
                dims->max_step  = MAX(dims->max_step, b->step);
                dims->max_color = MAX(dims->max_color, col);
-               env->max_color  = MAX(env->max_color, col);
        }
 
        dims->box.w = (dims->max_color + 2) * opts->h_inter_gap;
@@ -372,7 +370,6 @@ void draw_interval_tree(const draw_chordal_opts_t *opts,
        env.block_dims  = pmap_create();
        env.plotter     = plotter;
        env.cls         = chordal_env->cls;
-       env.max_color   = 0;
        env.chordal_env = chordal_env;
        obstack_init(&env.obst);