- fix gen_Store(). Always generate integer stores for floating point constant stores.

[r22849]

diff --git a/ir/be/ia32/ia32_transform.c b/ir/be/ia32/ia32_transform.c
index e0bb988..2b85751 100644 (file)
--- a/ir/be/ia32/ia32_transform.c
+++ b/ir/be/ia32/ia32_transform.c
@@ -2264,7 +2264,8 @@ static int is_float_to_int_conv(const ir_node *node)
 }
 
 /**
- * Transform a Store(floatConst).
+ * Transform a Store(floatConst) into a sequence of
+ * integer stores.
  *
  * @return the created ia32 Store node
  */
@@ -2344,11 +2345,11 @@ static ir_node *gen_vfist(dbg_info *dbgi, ir_graph *irg, ir_node *block, ir_node
        return new_node;
 }
 /**
- * Transforms a normal Store.
+ * Transforms a general (no special case) Store.
  *
  * @return the created ia32 Store node
  */
-static ir_node *gen_normal_Store(ir_node *node)
+static ir_node *gen_general_Store(ir_node *node)
 {
        ir_node  *val       = get_Store_value(node);
        ir_mode  *mode      = get_irn_mode(val);
@@ -2452,18 +2453,14 @@ static ir_node *gen_Store(ir_node *node)
        ir_mode  *mode = get_irn_mode(val);
 
        if (mode_is_float(mode) && is_Const(val)) {
-               int transform;
-
-               /* we are storing a floating point constant */
-               if (ia32_cg_config.use_sse2) {
-                       transform = !is_simple_sse_Const(val);
-               } else {
-                       transform = !is_simple_x87_Const(val);
-               }
-               if (transform)
-                       return gen_float_const_Store(node, val);
+               /* We can transform every floating const store
+                  into a sequence of integer stores.
+                  If the constant is already in a register,
+                  it would be better to use it, but we don't
+                  have this information here. */
+               return gen_float_const_Store(node, val);
        }
-       return gen_normal_Store(node);
+       return gen_general_Store(node);
 }
 
 /**