reset node index on dead node elimination

[libfirm] / ir / ir / irarch.c

diff --git a/ir/ir/irarch.c b/ir/ir/irarch.c
index 81e118e..27a66fe 100644 (file)
--- a/ir/ir/irarch.c
+++ b/ir/ir/irarch.c
@@ -6,7 +6,14 @@
  *
  * $Id$
  */
-#include <stdlib.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+
 #include <assert.h>
 
 #include "irnode_t.h"
@@ -23,6 +30,7 @@
 #include "irhooks.h"
 #include "ircons.h"
 #include "irarch.h"
+#include "irreflect.h"
 
 #undef DEB
 
@@ -54,10 +62,6 @@ new_rd_Mulh (dbg_info *db, ir_graph *irg, ir_node *block,
   ir_node *in[2];
   ir_node *res;
 
-  if (! op_Mulh) {
-    op_Mulh = new_ir_op(get_next_ir_opcode(), "Mulh",  op_pin_state_floats, irop_flag_commutative, oparity_binary, 0, 0);
-  }
-
   in[0] = op1;
   in[1] = op2;
   res = new_ir_node(db, irg, block, op_Mulh, mode, 2, in);
@@ -75,11 +79,20 @@ void arch_dep_init(arch_dep_params_factory_t factory)
   if (factory != NULL)
     params = factory();
 
-  if (params && (opts & (arch_dep_div_by_const|arch_dep_mod_by_const))) {
-    if (! op_Mulh) {
-      /* create the Mulh operation */
-      op_Mulh = new_ir_op(get_next_ir_opcode(), "Mulh",  op_pin_state_floats, irop_flag_commutative, oparity_binary, 0, 0);
-    }
+  if (! op_Mulh) {
+    rflct_sig_t *sig;
+    int mulh_opc = get_next_ir_opcode();
+
+    /* create the Mulh operation */
+    op_Mulh = new_ir_op(mulh_opc, "Mulh",  op_pin_state_floats, irop_flag_commutative, oparity_binary, 0, 0, NULL);
+    sig = rflct_signature_allocate(1, 3);
+    rflct_signature_set_arg(sig, 0, 0, "Res", RFLCT_MC(Int), 0, 0);
+    rflct_signature_set_arg(sig, 1, 0, "Block", RFLCT_MC(BB), 0, 0);
+    rflct_signature_set_arg(sig, 1, 1, "Op 0", RFLCT_MC(Int), 0, 0);
+    rflct_signature_set_arg(sig, 1, 2, "Op 1", RFLCT_MC(Int), 0, 0);
+
+    rflct_new_opcode(mulh_opc, "Mulh", 0);
+    rflct_opcode_add_signature(mulh_opc, sig);
   }
 }
 
@@ -703,7 +716,7 @@ ir_node *arch_dep_replace_div_by_const(ir_node *irn)
   }
 
   if (res != irn)
-    hook_arch_dep_replace_div_by_const(irn);
+    hook_arch_dep_replace_division_by_const(irn);
 
   return res;
 }
@@ -794,7 +807,7 @@ ir_node *arch_dep_replace_mod_by_const(ir_node *irn)
   }
 
   if (res != irn)
-    hook_arch_dep_replace_mod_by_const(irn);
+    hook_arch_dep_replace_division_by_const(irn);
 
   return res;
 }
@@ -901,7 +914,7 @@ void arch_dep_replace_divmod_by_const(ir_node **div, ir_node **mod, ir_node *irn
   }
 
   if (*div)
-    hook_arch_dep_replace_DivMod_by_const(irn);
+    hook_arch_dep_replace_division_by_const(irn);
 }