fix typo

[libfirm] / ir / be / ia32 / ia32_common_transform.c

diff --git a/ir/be/ia32/ia32_common_transform.c b/ir/be/ia32/ia32_common_transform.c
index 3ef6f54..1aa217d 100644 (file)
--- a/ir/be/ia32/ia32_common_transform.c
+++ b/ir/be/ia32/ia32_common_transform.c
@@ -467,6 +467,7 @@ ir_node *gen_ASM(ir_node *node)
        ir_node                    *new_block = get_new_node(block);
        dbg_info                   *dbgi      = get_irn_dbg_info(node);
        int                         i, arity;
+       int                         value_arity;
        int                         out_idx;
        ir_node                   **in;
        ir_node                    *new_node;
@@ -529,7 +530,7 @@ ir_node *gen_ASM(ir_node *node)
                        reg_map_size = constraint->pos;
        }
        for (i = 0; i < arity; ++i) {
-               const ir_asm_constraint   *constraint = &in_constraints[i];
+               const ir_asm_constraint *constraint = &in_constraints[i];
                if (constraint->pos > reg_map_size)
                        reg_map_size = constraint->pos;
        }
@@ -632,6 +633,15 @@ ir_node *gen_ASM(ir_node *node)
                ++out_idx;
        }
 
+       /* count inputs which are real values (and not memory) */
+       value_arity = 0;
+       for (i = 0; i < arity; ++i) {
+               ir_node *in = get_irn_n(node, i);
+               if (get_irn_mode(in) == mode_M)
+                       continue;
+               ++value_arity;
+       }
+
        /* Attempt to make ASM node register pressure faithful.
         * (This does not work for complicated cases yet!)
         *
@@ -644,7 +654,7 @@ ir_node *gen_ASM(ir_node *node)
         *        before...
         * FIXME: need to do this per register class...
         */
-       if (out_arity <= arity) {
+       if (out_arity <= value_arity) {
                int       orig_arity = arity;
                int       in_size    = arity;
                int       o;