fix fehler68 (sse unknowns have wrong reg class)

[r15526]

diff --git a/ir/be/ia32/ia32_transform.c b/ir/be/ia32/ia32_transform.c
index 323f30a..e99c972 100644 (file)
--- a/ir/be/ia32/ia32_transform.c
+++ b/ir/be/ia32/ia32_transform.c
@@ -270,11 +270,11 @@ static int is_Const_1(ir_node *node) {
  * Transforms a Const.
  */
 static ir_node *gen_Const(ir_node *node) {
-       ir_graph        *irg   = current_ir_graph;
-       ir_node         *old_block = get_nodes_block(node);
-       ir_node         *block = be_transform_node(old_block);
-       dbg_info        *dbgi  = get_irn_dbg_info(node);
-       ir_mode         *mode  = get_irn_mode(node);
+       ir_graph *irg       = current_ir_graph;
+       ir_node  *old_block = get_nodes_block(node);
+       ir_node  *block     = be_transform_node(old_block);
+       dbg_info *dbgi      = get_irn_dbg_info(node);
+       ir_mode  *mode      = get_irn_mode(node);
 
        if (mode_is_float(mode)) {
                ir_node   *res   = NULL;
@@ -3289,14 +3289,17 @@ static ir_node *gen_Unknown(ir_node *node) {
 #if 0
                /* Unknown nodes are buggy in x87 sim, use zero for now... */
                if (USE_SSE2(env_cg))
-                       return ia32_new_Unknown_xmm(env_cg);
                else
                        return ia32_new_Unknown_vfp(env_cg);
 #else
-               ir_graph *irg   = current_ir_graph;
-               dbg_info *dbgi  = get_irn_dbg_info(node);
-               ir_node  *block = get_irg_start_block(irg);
-               return new_rd_ia32_vfldz(dbgi, irg, block);
+               if (!USE_SSE2(env_cg)) {
+                       ir_graph *irg   = current_ir_graph;
+                       dbg_info *dbgi  = get_irn_dbg_info(node);
+                       ir_node  *block = get_irg_start_block(irg);
+                       return new_rd_ia32_vfldz(dbgi, irg, block);
+               } else {
+                       return ia32_new_Unknown_xmm(env_cg);
+               }
 #endif
        } else if (mode_needs_gp_reg(mode)) {
                return ia32_new_Unknown_gp(env_cg);