initial support for exception handling

[r14264]

diff --git a/ir/be/ia32/ia32_transform.c b/ir/be/ia32/ia32_transform.c
index 0d00a3c..459ebf0 100644 (file)
--- a/ir/be/ia32/ia32_transform.c
+++ b/ir/be/ia32/ia32_transform.c
@@ -1229,28 +1229,31 @@ static ir_node *generate_DivMod(ia32_transform_env_t *env, ir_node *node,
        ir_node  *in_keep[2];
        ir_node  *mem, *new_mem;
        ir_node  *projs[pn_DivMod_max];
-       int      i;
+       int      i, has_exc;
 
        ia32_collect_Projs(node, projs, pn_DivMod_max);
 
-       proj_div = NULL;
-       proj_mod = NULL;
+       proj_div = proj_mod = NULL;
+       has_exc  = 0;
        switch (dm_flav) {
                case flavour_Div:
                        mem  = get_Div_mem(node);
                        mode = get_Div_resmode(node);
                        proj_div = be_get_Proj_for_pn(node, pn_Div_res);
+                       has_exc  = be_get_Proj_for_pn(node, pn_Div_X_except) != NULL;
                        break;
                case flavour_Mod:
                        mem  = get_Mod_mem(node);
                        mode = get_Mod_resmode(node);
                        proj_mod = be_get_Proj_for_pn(node, pn_Mod_res);
+                       has_exc  = be_get_Proj_for_pn(node, pn_Mod_X_except) != NULL;
                        break;
                case flavour_DivMod:
                        mem  = get_DivMod_mem(node);
                        mode = get_DivMod_resmode(node);
                        proj_div = be_get_Proj_for_pn(node, pn_DivMod_res_div);
                        proj_mod = be_get_Proj_for_pn(node, pn_DivMod_res_mod);
+                       has_exc  = be_get_Proj_for_pn(node, pn_DivMod_X_except) != NULL;
                        break;
                default:
                        panic("invalid divmod flavour!");
@@ -1274,6 +1277,8 @@ static ir_node *generate_DivMod(ia32_transform_env_t *env, ir_node *node,
                res = new_rd_ia32_Div(dbgi, irg, block, noreg, noreg, new_dividend, edx_node, new_divisor, new_mem, dm_flav);
        }
 
+       set_ia32_exc_label(res, has_exc);
+
        /* Matze: code can't handle this at the moment... */
 #if 0
        /* set AM support */