- select_addr() must create an constant in constant-folfing mode

[r24373]

diff --git a/ast2firm.c b/ast2firm.c
index f8f7f5e..cb16582 100644 (file)
--- a/ast2firm.c
+++ b/ast2firm.c
@@ -2766,13 +2766,17 @@ static ir_node *select_addr(const select_expression_t *expression)
        entity_t *entry = expression->compound_entry;
        assert(entry->kind == ENTITY_COMPOUND_MEMBER);
        assert(entry->declaration.kind == DECLARATION_KIND_COMPOUND_MEMBER);
-       ir_entity *irentity = entry->compound_member.entity;
 
-       assert(irentity != NULL);
-
-       ir_node *sel = new_d_simpleSel(dbgi, new_NoMem(), compound_addr, irentity);
-
-       return sel;
+       if (constant_folding) {
+               ir_mode *mode = get_irn_mode(compound_addr);
+               /* FIXME: here, we need an integer mode with the same number of bits as mode */
+               ir_node *ofs  = new_Const_long(mode_uint, entry->compound_member.offset);
+               return new_d_Add(dbgi, compound_addr, ofs, mode);
+       } else {
+               ir_entity *irentity = entry->compound_member.entity;
+               assert(irentity != NULL);
+               return new_d_simpleSel(dbgi, new_NoMem(), compound_addr, irentity);
+       }
 }
 
 static ir_node *select_to_firm(const select_expression_t *expression)