X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Flower%2Flower_hl.c;h=38d1e4b168be9745c274f570f312acbbe3b0f3aa;hb=e78f164c3a0654b8567ff0fcba69b3ca68f07ab5;hp=c7df2782b166f52cfcb8b2733f7e4fe909d7f82f;hpb=5e69555e427ecbdf77e61198963e40ff0eb570e9;p=libfirm

diff --git a/ir/lower/lower_hl.c b/ir/lower/lower_hl.c
index c7df2782b..38d1e4b16 100644
--- a/ir/lower/lower_hl.c
+++ b/ir/lower/lower_hl.c
@@ -506,6 +506,20 @@ static void lower_bitfields_stores(ir_node *store) {
 	set_Store_ptr(store, ptr);
 }  /* lower_bitfields_stores */
 
+/**
+ * Lowers unaligned Loads.
+ */
+static void lower_unaligned_Load(ir_node *load) {
+	/* NYI */
+}
+
+/**
+ * Lowers unaligned Stores
+ */
+static void lower_unaligned_Store(ir_node *store) {
+	/* NYI */
+}
+
 /**
  * lowers IR-nodes, called from walker
  */
@@ -518,6 +532,14 @@ static void lower_irnode(ir_node *irn, void *env) {
 	case iro_SymConst:
 		lower_symconst(irn);
 		break;
+	case iro_Load:
+		if (env != NULL && get_Load_align(irn) == align_non_aligned)
+			lower_unaligned_Load(irn);
+		break;
+	case iro_Store:
+		if (env != NULL && get_Store_align(irn) == align_non_aligned)
+			lower_unaligned_Store(irn);
+		break;
 	default:
 		break;
 	}
@@ -563,7 +585,7 @@ void lower_highlevel(void) {
 		/* First step: lower bitfield access: must be run as long as Sels still exists. */
 		irg_walk_graph(irg, NULL, lower_bf_access, NULL);
 
-		/* Finally: lower SymConst-Size and Sel nodes. */
+		/* Finally: lower SymConst-Size and Sel nodes, unaligned Load/Stores. */
 		irg_walk_graph(irg, NULL, lower_irnode, NULL);
 
 		set_irg_phase_low(irg);