X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Flower%2Flower_mode_b.c;h=6cb298e10a208aa2e4e481916e801cf3fbb2fca5;hb=81f1a041542f3d40f136fca8e0bfac8b3f53fce7;hp=baf9533d749d60571a9a0afc8d68a20e72fca485;hpb=c3a309c14573c17a7040727529b4f5f2e00cce3c;p=libfirm

diff --git a/ir/lower/lower_mode_b.c b/ir/lower/lower_mode_b.c
index baf9533d7..6cb298e10 100644
--- a/ir/lower/lower_mode_b.c
+++ b/ir/lower/lower_mode_b.c
@@ -20,7 +20,7 @@
 /**
  * @file
  * @author      Matthias Braun, Christoph Mallon
- * @version     $Id$
+ * @version     $Id:$
  */
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -35,6 +35,7 @@
 #include "tv.h"
 #include "error.h"
 #include "lowering.h"
+#include "benode_t.h"
 
 static ir_mode *lowered_mode     = NULL;
 static int      lower_direct_cmp = 0;
@@ -49,6 +50,24 @@ static ir_node *create_not(dbg_info *dbgi, ir_node *node)
 	return new_rd_Eor(dbgi,	irg, block, node, one, lowered_mode);
 }
 
+static ir_node *create_convb(ir_node *node)
+{
+	ir_graph *irg   = current_ir_graph;
+	ir_node  *block = get_nodes_block(node);
+	ir_node  *conv  = new_rd_Conv(NULL, irg, block, node, mode_b);
+
+	return conv;
+}
+
+static ir_node *create_conv_lowered_mode(ir_node *node)
+{
+	ir_graph *irg   = current_ir_graph;
+	ir_node  *block = get_nodes_block(node);
+	ir_node  *conv  = new_rd_Conv(NULL, irg, block, node, lowered_mode);
+
+	return conv;
+}
+
 static ir_node *lower_node(ir_node *node)
 {
 	ir_graph *irg   = current_ir_graph;
@@ -140,11 +159,12 @@ static ir_node *lower_node(ir_node *node)
 		ir_node *one      = new_d_Const(dbgi, lowered_mode, tv_one);
 		tarval  *tv_zero  = get_tarval_null(lowered_mode);
 		ir_node *zero     = new_d_Const(dbgi, lowered_mode, tv_zero);
-		ir_mode *mode     = get_irn_mode(node);
+		ir_node *pred     = get_Conv_op(node);
+		ir_mode *mode     = get_irn_mode(pred);
 		tarval  *tv_zeroc = get_tarval_null(mode);
 		ir_node *zero_cmp = new_d_Const(dbgi, mode, tv_zeroc);
 
-		ir_node *cmp      = new_rd_Cmp(dbgi, irg, block, node, zero_cmp);
+		ir_node *cmp      = new_rd_Cmp(dbgi, irg, block, pred, zero_cmp);
 		ir_node *proj     = new_rd_Proj(dbgi, irg, block, cmp, mode_b,
 		                                pn_Cmp_Lg);
 		ir_node *vals[2]  = { one, zero };
@@ -155,13 +175,12 @@ static ir_node *lower_node(ir_node *node)
 		return psi;
 	}
 	if(op == op_Proj) {
-		ir_node *pred  = get_Proj_pred(node);
+		ir_node *pred = get_Proj_pred(node);
 
-		assert(!is_Load(pred));
 		if(is_Cmp(pred)) {
-			ir_mode *mode  = get_irn_mode(pred);
 			ir_node *left  = get_Cmp_left(pred);
 			ir_node *right = get_Cmp_right(pred);
+			ir_mode *mode  = get_irn_mode(left);
 
 			if( (mode_is_int(mode) || mode_is_reference(mode)) &&
 				(get_mode_size_bits(mode) < get_mode_size_bits(lowered_mode)
@@ -226,6 +245,13 @@ static ir_node *lower_node(ir_node *node)
 			set_irn_link(node, psi);
 			return psi;
 			}
+		} else if(is_Proj(pred) && is_Call(get_Proj_pred(pred))) {
+			return create_conv_lowered_mode(node);
+		} else if(is_Proj(pred) && is_Start(get_Proj_pred(pred))) {
+			return create_conv_lowered_mode(node);
+		} else if (be_is_Barrier(pred)) {
+			/* nothing to do */
+			return node;
 		}
 
 		panic("unexpected projb: %+F (pred: %+F)", node, pred);
@@ -248,15 +274,6 @@ static ir_node *lower_node(ir_node *node)
 	panic("didn't expect %+F to have mode_b", node);
 }
 
-static ir_node *create_convb(ir_node *node)
-{
-	ir_graph *irg   = current_ir_graph;
-	ir_node  *block = get_nodes_block(node);
-	ir_node  *conv  = new_rd_Conv(NULL, irg, block, node, mode_b);
-
-	return conv;
-}
-
 static void lower_mode_b_walker(ir_node *node, void *env)
 {
 	int i, arity;