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authorMatthias Braun <matze@braunis.de>2011-03-03 13:46:06 +0100
committerMatthias Braun <matze@braunis.de>2011-03-04 14:17:13 +0100
commitd7952a5e60650d9434bef874ad787c83a8a15e14 (patch)
treedda744847f0cd94638183da715db4ecf7600aa48 /ir/be/beinfo.c
parent52abe23f2fa0d4bd16ec0f2d707f99b201dc9fc2 (diff)
cleanup and description in beinfo for middleend nodes
Diffstat (limited to 'ir/be/beinfo.c')
-rw-r--r--ir/be/beinfo.c53
1 files changed, 27 insertions, 26 deletions
diff --git a/ir/be/beinfo.c b/ir/be/beinfo.c
index 4ae071e..16a4e43 100644
--- a/ir/be/beinfo.c
+++ b/ir/be/beinfo.c
@@ -41,7 +41,6 @@ void be_info_new_node(ir_node *node)
{
struct obstack *obst;
backend_info_t *info;
- unsigned opcode;
/* Projs need no be info, their tuple holds all information */
if (is_Proj(node))
@@ -53,32 +52,34 @@ void be_info_new_node(ir_node *node)
assert(node->backend_info == NULL);
node->backend_info = info;
- /* Hack! We still have middle end nodes in the backend (which was probably
- a bad decision back then), which have no register constraints.
- Set some none_requirements here.
+ /*
+ * Set backend info for some middleend nodes which still appear in
+ * backend graphs
*/
- opcode = get_irn_opcode(node);
- if (opcode <= iro_Last) {
- ir_mode *mode = get_irn_mode(node);
- if (mode != mode_T) {
- info->out_infos = NEW_ARR_D(reg_out_info_t, obst, 1);
- memset(info->out_infos, 0, 1 * sizeof(info->out_infos[0]));
- info->out_infos[0].req = arch_no_register_req;
- }
-
- switch (opcode) {
- case iro_Anchor:
- case iro_Bad:
- case iro_Block:
- case iro_Dummy:
- case iro_End:
- case iro_NoMem:
- case iro_Pin:
- case iro_Sync:
- case iro_Unknown:
- info->flags |= arch_irn_flags_not_scheduled;
- break;
- }
+ switch (get_irn_opcode(node)) {
+ case iro_Anchor:
+ case iro_Bad:
+ case iro_Block:
+ case iro_Dummy:
+ case iro_End:
+ case iro_NoMem:
+ case iro_Unknown:
+ info->flags |= arch_irn_flags_not_scheduled;
+ break;
+ case iro_Pin:
+ case iro_Sync:
+ info->flags |= arch_irn_flags_not_scheduled;
+ info->out_infos = NEW_ARR_D(reg_out_info_t, obst, 1);
+ memset(info->out_infos, 0, 1 * sizeof(info->out_infos[0]));
+ info->out_infos[0].req = arch_no_register_req;
+ break;
+ case iro_Phi:
+ info->out_infos = NEW_ARR_D(reg_out_info_t, obst, 1);
+ memset(info->out_infos, 0, 1 * sizeof(info->out_infos[0]));
+ info->out_infos[0].req = arch_no_register_req;
+ break;
+ default:
+ break;
}
}