From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Sun, 7 Dec 2008 13:47:09 +0000 (+0000)
Subject: - select_addr() must create an constant in constant-folfing mode
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=50f3b6c78da4dbfab627adf5b9eb52aaffc3cebd;p=cparser

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

[r24373]
---

diff --git a/ast2firm.c b/ast2firm.c
index f8f7f5e..cb16582 100644
--- 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)