Do not emit cld in the CopyB prologue. The ABI mandates that DF is cleared, so do...

[libfirm] / ir / be / becopyheur2.c

diff --git a/ir/be/becopyheur2.c b/ir/be/becopyheur2.c
index 60f8b66..f4ebbff 100644 (file)
--- a/ir/be/becopyheur2.c
+++ b/ir/be/becopyheur2.c
@@ -892,15 +892,13 @@ static void process_cloud(co2_cloud_t *cloud)
        co2_t *env  = cloud->env;
        int n_regs  = env->n_regs;
        int n_edges = 0;
-       int *mst_edges = xmalloc(cloud->n_memb * cloud->n_memb * sizeof(mst_edges[0]));
+       int *mst_edges = XMALLOCNZ(int, cloud->n_memb * cloud->n_memb);
        pdeq *q;
 
        edge_t *edges;
        int i;
        int best_col;
 
-       memset(mst_edges, 0, cloud->n_memb * cloud->n_memb * sizeof(mst_edges[0]));
-
        /* Collect all edges in the cloud on an obstack and sort the increasingly */
        obstack_init(&cloud->obst);
        for(i = 0; i < cloud->n_memb; ++i) {
@@ -1063,7 +1061,7 @@ static void process(co2_t *env)
        }
 
        i = 0;
-       clouds = xmalloc(n_clouds * sizeof(clouds[0]));
+       clouds = XMALLOCN(co2_cloud_t*, n_clouds);
        list_for_each_entry(co2_cloud_t, pos, &env->cloud_head, list)
                clouds[i++] = pos;
        qsort(clouds, n_clouds, sizeof(clouds[0]), cmp_clouds_gt);
@@ -1261,9 +1259,7 @@ int co_solve_heuristic_new(copy_opt_t *co)
        env.co          = co;
        env.n_regs      = co->cls->n_regs;
        env.ignore_regs = bitset_alloca(co->cls->n_regs);
-       arch_put_non_ignore_regs(co->aenv, co->cls, env.ignore_regs);
-       bitset_flip_all(env.ignore_regs);
-       be_abi_put_ignore_regs(co->cenv->birg->abi, co->cls, env.ignore_regs);
+       be_put_ignore_regs(co->cenv->birg, co->cls, env.ignore_regs);
        FIRM_DBG_REGISTER(env.dbg, "firm.be.co2");
        INIT_LIST_HEAD(&env.cloud_head);