X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_new_nodes.c;h=2ddc4678d262e9e2ce4b07d42b899911dd6a932b;hb=fa4ec191e159484f0fcbea2ef044deaa2ab2d293;hp=481d536839586d88f7ab761c13b8482c32c612fa;hpb=eca9dffd8fc46ae77935587a318553c9bd46c461;p=libfirm

diff --git a/ir/be/ia32/ia32_new_nodes.c b/ir/be/ia32/ia32_new_nodes.c
index 481d53683..2ddc4678d 100644
--- a/ir/be/ia32/ia32_new_nodes.c
+++ b/ir/be/ia32/ia32_new_nodes.c
@@ -9,6 +9,14 @@
 #include "config.h"
 #endif
 
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+
+#ifdef HAVE_ALLOCA_H
+#include <alloca.h>
+#endif
+
 #include <stdlib.h>
 
 #include "irprog_t.h"
@@ -17,13 +25,38 @@
 #include "irmode_t.h"
 #include "ircons_t.h"
 #include "iropt_t.h"
+#include "irop.h"
 #include "firm_common_t.h"
 #include "irvrfy_t.h"
+#include "irprintf.h"
 
 #include "../bearch.h"
 
 #include "ia32_nodes_attr.h"
 #include "ia32_new_nodes.h"
+#include "gen_ia32_regalloc_if.h"
+
+/**
+ * Returns the ident of a SymConst.
+ * @param symc  The SymConst
+ * @return The ident of the SymConst
+ */
+static ident *get_sc_ident(ir_node *symc) {
+	assert(get_irn_opcode(symc) == iro_SymConst && "need symconst to get ident");
+
+	switch (get_SymConst_kind(symc)) {
+		case symconst_addr_name:
+			return get_SymConst_name(symc);
+
+		case symconst_addr_ent:
+			return get_entity_ld_ident(get_SymConst_entity(symc));
+
+		default:
+			assert(0 && "Unsupported SymConst");
+	}
+
+	return NULL;
+}
 
 
 
@@ -39,40 +72,78 @@
  ***********************************************************************************/
 
 /**
- * Prints a tarval to file F.
- * @param F         output file
- * @param tv        tarval
- * @param brackets  1 == print square brackets around tarval
+ * Returns a string containing the names of all registers within the limited bitset
  */
-static void fprintf_tv(FILE *F, tarval *tv, int brackets) {
-  char buf[1024];
-  tarval_snprintf(buf, sizeof(buf), tv);
+static char *get_limited_regs(const arch_register_req_t *req, char *buf, int max) {
+	bitset_t *bs   = bitset_alloca(req->cls->n_regs);
+	char     *p    = buf;
+	int       size = 0;
+	int       i, cnt;
+
+	req->limited(NULL, bs);
+
+	for (i = 0; i < req->cls->n_regs; i++) {
+		if (bitset_is_set(bs, i)) {
+			cnt = snprintf(p, max - size, " %s", req->cls->regs[i].name);
+			if (cnt < 0) {
+				fprintf(stderr, "dumper problem, exiting\n");
+				exit(1);
+			}
+
+			p    += cnt;
+			size += cnt;
+
+			if (size >= max)
+				break;
+		}
+	}
 
-  if (brackets)
-    fprintf(F, "[%s]", buf);
-  else
-    fprintf(F, "%s", buf);
+	return buf;
 }
 
 /**
- * Returns the name of a SymConst.
- * @param symc  the SymConst
- * @return name of the SymConst
+ * Dumps the register requirements for either in or out.
  */
-const char *get_sc_name(ir_node *symc) {
-  if (get_irn_opcode(symc) != iro_SymConst)
-    return "NONE";
+static void dump_reg_req(FILE *F, ir_node *n, const ia32_register_req_t **reqs, int inout) {
+	char *dir = inout ? "out" : "in";
+	int   max = inout ? get_ia32_n_res(n) : get_irn_arity(n);
+	char *buf = alloca(1024);
+	int   i;
+
+	memset(buf, 0, 1024);
+
+	if (reqs) {
+		for (i = 0; i < max; i++) {
+			fprintf(F, "%sreq #%d =", dir, i);
 
-  switch (get_SymConst_kind(symc)) {
-    case symconst_addr_name:
-      return get_id_str(get_SymConst_name(symc));
+			if (reqs[i]->req.type == arch_register_req_type_none) {
+				fprintf(F, " n/a");
+			}
 
-    case symconst_addr_ent:
-      return get_entity_ld_name(get_SymConst_entity(symc));
+			if (reqs[i]->req.type & arch_register_req_type_normal) {
+				fprintf(F, " %s", reqs[i]->req.cls->name);
+			}
 
-    default:
-      assert(0 && "Unsupported SymConst");
-  }
+			if (reqs[i]->req.type & arch_register_req_type_limited) {
+				fprintf(F, " %s", get_limited_regs(&reqs[i]->req, buf, 1024));
+			}
+
+			if (reqs[i]->req.type & arch_register_req_type_should_be_same) {
+				ir_fprintf(F, " same as %+F", get_irn_n(n, reqs[i]->same_pos));
+			}
+
+			if (reqs[i]->req.type & arch_register_req_type_should_be_different) {
+				ir_fprintf(F, " different from %+F", get_irn_n(n, reqs[i]->different_pos));
+			}
+
+			fprintf(F, "\n");
+		}
+
+		fprintf(F, "\n");
+	}
+	else {
+		fprintf(F, "%sreq = N/A\n", dir);
+	}
 }
 
 /**
@@ -83,122 +154,211 @@ const char *get_sc_name(ir_node *symc) {
  * @return 0 on success or != 0 on failure
  */
 static int dump_node_ia32(ir_node *n, FILE *F, dump_reason_t reason) {
-  const char *name, *p;
-  ir_mode    *mode = NULL;
-  int        bad   = 0;
-  asmop_attr *attr;
-  int        i;
-  const arch_register_req_t **reqs;
-  const arch_register_t     **slots;
-
-  switch (reason) {
-    case dump_node_opcode_txt:
-      name = get_irn_opname(n);
-      fprintf(F, "%s", name);
-      break;
-
-    case dump_node_mode_txt:
-      mode = get_irn_mode(n);
-
-      if (mode == mode_BB || mode == mode_ANY || mode == mode_BAD || mode == mode_T) {
-        mode = NULL;
-      }
-      else if (is_ia32_Load(n)) {
-        mode = get_irn_mode(get_irn_n(n, 1));
-      }
-      else if (is_ia32_Store(n)) {
-        mode = get_irn_mode(get_irn_n(n, 2));
-      }
-
-      if (mode)
-        fprintf(F, "[%s]", get_mode_name(mode));
-      break;
-
-    case dump_node_nodeattr_txt:
-      name = get_irn_opname(n);
-      p = name + strlen(name) - 2;
-      if ((p[0] == '_' && p[1] == 'i') || is_ia32_Const(n)) {
-        tarval *tv = get_ia32_Immop_tarval(n);
-        if (tv)
-          fprintf_tv(F, tv, 1);
-        else {
-          fprintf(F, "[SymC &%s]", get_sc_name(get_ia32_old_ir(n)));
-        }
-      }
-      else if (is_ia32_Call(n)) {
-        ir_node *sc = get_ia32_old_ir(get_ia32_old_ir(n));
-
-        fprintf(F, "&%s ", get_sc_name(sc));
-      }
-      break;
-
-    case dump_node_info_txt:
-      attr = get_ia32_attr(n);
-
-      /* dump IN requirements */
-      if (get_irn_arity(n) > 0) {
-	reqs = get_ia32_in_req(n);
-
-	if (reqs) {
-	  for (i = 0; i < get_irn_arity(n); i++) {
-	    if (reqs[i]->type != arch_register_req_type_none)
-	      fprintf(F, "inreq[%d]=[%s]\n", i, reqs[i]->cls->name);
-	    else
-	      fprintf(F, "inreq[%d]=[none]\n", i);
-	  }
-	  fprintf(F, "\n");
+	ir_mode     *mode = NULL;
+	int          bad  = 0;
+	int          i, n_res, am_flav, flags;
+	const ia32_register_req_t **reqs;
+	const arch_register_t     **slots;
+
+	switch (reason) {
+		case dump_node_opcode_txt:
+			fprintf(F, "%s", get_irn_opname(n));
+			break;
+
+		case dump_node_mode_txt:
+			mode = get_irn_mode(n);
+
+			if (is_ia32_Ld(n) || is_ia32_St(n)) {
+				mode = get_ia32_ls_mode(n);
+			}
+
+			fprintf(F, "[%s]", mode ? get_mode_name(mode) : "?NOMODE?");
+			break;
+
+		case dump_node_nodeattr_txt:
+			if (is_ia32_ImmConst(n) || is_ia32_ImmSymConst(n)) {
+				char       *pref = is_ia32_ImmSymConst(n) ? "SymC" : "";
+				const char *cnst = get_ia32_cnst(n);
+
+				fprintf(F, "[%s%s]", pref, cnst ? cnst : "NONE");
+			}
+
+			if (! is_ia32_Lea(n)) {
+				if (is_ia32_AddrModeS(n)) {
+					fprintf(F, "[AM S] ");
+				}
+				else if (is_ia32_AddrModeD(n)) {
+					fprintf(F, "[AM D] ");
+				}
+			}
+
+			break;
+
+		case dump_node_info_txt:
+			n_res = get_ia32_n_res(n);
+			fprintf(F, "=== IA32 attr begin ===\n");
+
+			/* dump IN requirements */
+			if (get_irn_arity(n) > 0) {
+				reqs = get_ia32_in_req_all(n);
+				dump_reg_req(F, n, reqs, 0);
+			}
+
+			/* dump OUT requirements */
+			if (n_res > 0) {
+				reqs = get_ia32_out_req_all(n);
+				dump_reg_req(F, n, reqs, 1);
+			}
+
+			/* dump assigned registers */
+			slots = get_ia32_slots(n);
+			if (slots && n_res > 0) {
+				for (i = 0; i < n_res; i++) {
+					fprintf(F, "reg #%d = %s\n", i, slots[i] ? slots[i]->name : "n/a");
+				}
+				fprintf(F, "\n");
+			}
+
+			/* dump op type */
+			fprintf(F, "op = ");
+			switch (get_ia32_op_type(n)) {
+				case ia32_Normal:
+					fprintf(F, "Normal");
+					break;
+				case ia32_Const:
+					fprintf(F, "Const");
+					break;
+				case ia32_SymConst:
+					fprintf(F, "SymConst");
+					break;
+				case ia32_AddrModeD:
+					fprintf(F, "AM Dest (Load+Store)");
+					break;
+				case ia32_AddrModeS:
+					fprintf(F, "AM Source (Load)");
+					break;
+				default:
+					fprintf(F, "unknown (%d)", get_ia32_op_type(n));
+					break;
+			}
+			fprintf(F, "\n");
+
+
+			/* dump supported am */
+			fprintf(F, "AM support = ");
+			switch (get_ia32_am_support(n)) {
+				case ia32_am_None:
+					fprintf(F, "none");
+					break;
+				case ia32_am_Source:
+					fprintf(F, "source only (Load)");
+					break;
+				case ia32_am_Dest:
+					fprintf(F, "dest only (Load+Store)");
+					break;
+				case ia32_am_Full:
+					fprintf(F, "full");
+					break;
+				default:
+					fprintf(F, "unknown (%d)", get_ia32_am_support(n));
+					break;
+			}
+			fprintf(F, "\n");
+
+			/* dump am flavour */
+			fprintf(F, "AM flavour =");
+			am_flav = get_ia32_am_flavour(n);
+			if (am_flav == ia32_am_N) {
+				fprintf(F, " none");
+			}
+			else {
+				if (am_flav & ia32_O) {
+					fprintf(F, " O");
+				}
+				if (am_flav & ia32_B) {
+					fprintf(F, " B");
+				}
+				if (am_flav & ia32_I) {
+					fprintf(F, " I");
+				}
+				if (am_flav & ia32_S) {
+					fprintf(F, " S");
+				}
+			}
+			fprintf(F, " (%d)\n", am_flav);
+
+			/* dump AM offset */
+			fprintf(F, "AM offset = ");
+			if (get_ia32_am_offs(n)) {
+				fprintf(F, "%s", get_ia32_am_offs(n));
+			}
+			else {
+				fprintf(F, "n/a");
+			}
+			fprintf(F, "\n");
+
+			/* dump AM scale */
+			fprintf(F, "AM scale = %d\n", get_ia32_am_scale(n));
+
+			/* dump pn code */
+			fprintf(F, "pn_code = %ld\n", get_ia32_pncode(n));
+
+			/* dump n_res */
+			fprintf(F, "n_res = %d\n", get_ia32_n_res(n));
+
+			/* dump use_frame */
+			fprintf(F, "use_frame = %d\n", is_ia32_use_frame(n));
+
+			/* commutative */
+			fprintf(F, "commutative = %d\n", is_ia32_commutative(n));
+
+			/* dump flags */
+			fprintf(F, "flags =");
+			flags = get_ia32_flags(n);
+			if (flags == arch_irn_flags_none) {
+				fprintf(F, " none");
+			}
+			else {
+				if (flags & arch_irn_flags_dont_spill) {
+					fprintf(F, " unspillable");
+				}
+				if (flags & arch_irn_flags_rematerializable) {
+					fprintf(F, " remat");
+				}
+				if (flags & arch_irn_flags_ignore) {
+					fprintf(F, " ignore");
+				}
+			}
+			fprintf(F, " (%d)\n", flags);
+
+			/* dump frame entity */
+			fprintf(F, "frame entity = ");
+			if (get_ia32_frame_ent(n)) {
+				ir_fprintf(F, "%+F", get_ia32_frame_ent(n));
+			}
+			else {
+				fprintf(F, "n/a");
+			}
+			fprintf(F, "\n");
+
+#ifndef NDEBUG
+			/* dump original ir node name */
+			fprintf(F, "orig node = ");
+			if (get_ia32_orig_node(n)) {
+				fprintf(F, "%s", get_ia32_orig_node(n));
+			}
+			else {
+				fprintf(F, "n/a");
+			}
+			fprintf(F, "\n");
+#endif /* NDEBUG */
+
+			fprintf(F, "=== IA32 attr end ===\n");
+			/* end of: case dump_node_info_txt */
+			break;
 	}
-	else
-	  fprintf(F, "NO IN REQS\n");
-      }
 
-      /* dump OUT requirements */
-      if (attr->n_res > 0) {
-	reqs = get_ia32_out_req(n);
-
-	if (reqs) {
-	  for (i = 0; i < attr->n_res; i++) {
-	    if (reqs[i]->type != arch_register_req_type_none)
-	      fprintf(F, "outreq[%d]=[%s]\n", i, reqs[i]->cls->name);
-	    else
-	      fprintf(F, "outreq[%d]=[none]\n", i);
-	  }
-	}
-	else
-	  fprintf(F, "NO OUT REQS\n");
-      }
-
-      /* dump assigned registers */
-      slots = get_ia32_slots(n);
-      if (slots && attr->n_res > 0) {
-        for (i = 0; i < attr->n_res; i++) {
-	  if (slots[i]) {
-	    fprintf(F, "REG[%d]=[%s]\n", i, slots[i]->name);
-	  }
-	  else
-	    fprintf(F, "REG[%d]=[none]\n", i);
-        }
-      }
-
-      /* special for LEA */
-      if (is_ia32_Lea(n)) {
-        tarval *o  = get_ia32_offs(n);
-        tarval *tv = get_ia32_Immop_tarval(n);
-
-        fprintf(F, "LEA ");
-        if (o)
-          fprintf_tv(F, o, 0);
-        fprintf(F, "(%s, %s", get_irn_opname(get_irn_n(n, 0)), get_irn_opname(get_irn_n(n, 1)));
-        if (tv) {
-          fprintf(F, ", ");
-          fprintf_tv(F, tv, 0);
-        }
-        fprintf(F, ")\n");
-      }
-      break;
-  }
-
-  return bad;
+	return bad;
 }
 
 
@@ -214,207 +374,889 @@ static int dump_node_ia32(ir_node *n, FILE *F, dump_reason_t reason) {
  *                                       |___/
  ***************************************************************************************************/
 
+/**
+ * Returns an ident for the given tarval tv.
+ */
+static ident *get_ident_for_tv(tarval *tv) {
+	char buf[1024];
+
+	assert(tarval_snprintf(buf, sizeof(buf), tv));
+	return new_id_from_str(buf);
+}
+
 /**
  * Wraps get_irn_generic_attr() as it takes no const ir_node, so we need to do a cast.
  * Firm was made by people hating const :-(
  */
-asmop_attr *get_ia32_attr(const ir_node *node) {
-  return (asmop_attr *)get_irn_generic_attr((ir_node *)node);
+ia32_attr_t *get_ia32_attr(const ir_node *node) {
+	assert(is_ia32_irn(node) && "need ia32 node to get ia32 attributes");
+	return (ia32_attr_t *)get_irn_generic_attr((ir_node *)node);
 }
 
 /**
- * Return the tarval of an immediate operation or NULL in case of SymConst
+ * Gets the type of an ia32 node.
  */
-tarval *get_ia32_Immop_tarval(const ir_node *node) {
-  asmop_attr *attr = get_ia32_attr(node);
-  if (attr->tp == asmop_Const)
-    return attr->tv;
-  else
-    return NULL;
+ia32_op_type_t get_ia32_op_type(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.tp;
 }
 
 /**
- * Return the old_ir attribute.
+ * Sets the type of an ia32 node.
  */
-ir_node *get_ia32_old_ir(const ir_node *node) {
-  asmop_attr *attr = get_ia32_attr(node);
-  return attr->old_ir;
+void set_ia32_op_type(ir_node *node, ia32_op_type_t tp) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->data.tp     = tp;
 }
 
 /**
- * Copy the attributes from an ia32_Const to an Immop (Add_i, Sub_i, ...) node
+ * Gets the immediate op type of an ia32 node.
  */
-void set_ia32_Immop_attr(ir_node *node, ir_node *cnst) {
-  asmop_attr *na = get_ia32_attr(node);
-  asmop_attr *ca = get_ia32_attr(cnst);
+ia32_immop_type_t get_ia32_immop_type(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.imm_tp;
+}
 
-  assert(is_ia32_Const(cnst) && "Need ia32_Const to set Immop attr");
+/**
+ * Sets the immediate op type of an ia32 node.
+ */
+void set_ia32_immop_type(ir_node *node, ia32_immop_type_t tp) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->data.imm_tp = tp;
+}
 
-  na->tp     = ca->tp;
-  na->tv     = ca->tv;
-  na->old_ir = ca->old_ir;
+/**
+ * Gets the supported addrmode of an ia32 node
+ */
+ia32_am_type_t get_ia32_am_support(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.am_support;
 }
 
 /**
- * Copy the attributes from a Const to an ia32_Const
+ * Sets the supported addrmode of an ia32 node
  */
-void set_ia32_Const_attr(ir_node *ia32_cnst, ir_node *cnst) {
-  asmop_attr *attr = get_ia32_attr(ia32_cnst);
+void set_ia32_am_support(ir_node *node, ia32_am_type_t am_tp) {
+	ia32_attr_t *attr     = get_ia32_attr(node);
+	attr->data.am_support = am_tp;
+}
 
-  assert(is_ia32_Const(ia32_cnst) && "Need ia32_Const to set Const attr");
+/**
+ * Gets the addrmode flavour of an ia32 node
+ */
+ia32_am_flavour_t get_ia32_am_flavour(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.am_flavour;
+}
 
-  switch (get_irn_opcode(cnst)) {
-    case iro_Const:
-      attr->tp = asmop_Const;
-      attr->tv = get_Const_tarval(cnst);
-      break;
-    case iro_SymConst:
-      attr->tp     = asmop_SymConst;
-      attr->old_ir = calloc(1, sizeof(*cnst));
-      memcpy(attr->old_ir, cnst, sizeof(*cnst));
-      break;
-    case iro_Unknown:
-      assert(0 && "Unknown Const NYI");
-      break;
-    default:
-      assert(0 && "Cannot create ia32_Const for this opcode");
-  }
+/**
+ * Sets the addrmode flavour of an ia32 node
+ */
+void set_ia32_am_flavour(ir_node *node, ia32_am_flavour_t am_flavour) {
+	ia32_attr_t *attr     = get_ia32_attr(node);
+	attr->data.am_flavour = am_flavour;
 }
 
 /**
- * Sets the type of an ia32_Const.
+ * Joins all offsets to one string with adds.
  */
-void set_ia32_Const_type(ir_node *node, int type) {
-  asmop_attr *attr   = get_ia32_attr(node);
+char *get_ia32_am_offs(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	char        *res  = NULL;
+	int          size;
+
+	if (! attr->am_offs) {
+		return NULL;
+	}
+
+	size = obstack_object_size(attr->am_offs);
+	if (size > 0) {
+		res    = xmalloc(size + 2);
+		res[0] = attr->data.offs_sign ? '-' : '+';
+		memcpy(&res[1], obstack_base(attr->am_offs), size);
+		res[size + 1] = '\0';
+	}
+
+	return res;
+}
+
+/**
+ * Add an offset for addrmode.
+ */
+static void extend_ia32_am_offs(ir_node *node, char *offset, char op) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+
+	if (! offset || strlen(offset) < 1)
+		return;
+
+	/* offset could already have an explicit sign */
+	/* -> supersede op if necessary               */
+	if (offset[0] == '-' || offset[0] == '+') {
+		if (offset[0] == '-') {
+			op = (op == '-') ? '+' : '-';
+		}
+
+		/* skip explicit sign */
+		offset++;
+	}
+
+	if (! attr->am_offs) {
+		/* obstack is not initialized */
+		attr->am_offs = xcalloc(1, sizeof(*(attr->am_offs)));
+		obstack_init(attr->am_offs);
+
+		attr->data.offs_sign = (op == '-') ? 1 : 0;
+	}
+	else {
+		/* If obstack is initialized, connect the new offset with op */
+		obstack_printf(attr->am_offs, "%c", op);
+	}
+
+	obstack_printf(attr->am_offs, "%s", offset);
+}
+
+/**
+ * Add an offset for addrmode.
+ */
+void add_ia32_am_offs(ir_node *node, const char *offset) {
+	extend_ia32_am_offs(node, (char *)offset, '+');
+}
+
+/**
+ * Sub an offset for addrmode.
+ */
+void sub_ia32_am_offs(ir_node *node, const char *offset) {
+	extend_ia32_am_offs(node, (char *)offset, '-');
+}
+
+/**
+ * Returns the symconst ident associated to addrmode.
+ */
+ident *get_ia32_am_sc(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->am_sc;
+}
+
+/**
+ * Sets the symconst ident associated to addrmode.
+ */
+void set_ia32_am_sc(ir_node *node, ident *sc) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->am_sc       = sc;
+}
+
+/**
+ * Sets the sign bit for address mode symconst.
+ */
+void set_ia32_am_sc_sign(ir_node *node) {
+	ia32_attr_t *attr     = get_ia32_attr(node);
+	attr->data.am_sc_sign = 1;
+}
+
+/**
+ * Clears the sign bit for address mode symconst.
+ */
+void clear_ia32_am_sc_sign(ir_node *node) {
+	ia32_attr_t *attr     = get_ia32_attr(node);
+	attr->data.am_sc_sign = 0;
+}
+
+/**
+ * Returns the sign bit for address mode symconst.
+ */
+int is_ia32_am_sc_sign(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.am_sc_sign;
+}
 
-  assert(is_ia32_Const(node) && "Need ia32_Const to set type");
-  assert((type == asmop_Const || type == asmop_SymConst) && "Unsupported ia32_Const type");
+/**
+ * Gets the addr mode const.
+ */
+int get_ia32_am_scale(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.am_scale;
+}
 
-  attr->tp = type;
+/**
+ * Sets the index register scale for addrmode.
+ */
+void set_ia32_am_scale(ir_node *node, int scale) {
+	ia32_attr_t *attr   = get_ia32_attr(node);
+	attr->data.am_scale = scale;
+}
+
+/**
+ * Return the tarval of an immediate operation or NULL in case of SymConst
+ */
+tarval *get_ia32_Immop_tarval(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+    return attr->cnst_val.tv;
 }
 
 /**
  * Sets the attributes of an immediate operation to the specified tarval
  */
 void set_ia32_Immop_tarval(ir_node *node, tarval *tv) {
-  asmop_attr *attr = get_ia32_attr(node);
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->cnst_val.tv = tv;
+	attr->cnst        = get_ident_for_tv(tv);
+}
+
+/**
+ * Return the sc attribute.
+ */
+ident *get_ia32_sc(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->cnst_val.sc;
+}
+
+/**
+ * Sets the sc attribute.
+ */
+void set_ia32_sc(ir_node *node, ident *sc) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->cnst_val.sc = sc;
+	attr->cnst        = attr->cnst_val.sc;
+}
+
+/**
+ * Gets the string representation of the internal const (tv or symconst)
+ */
+const char *get_ia32_cnst(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	if (! attr->cnst)
+		return NULL;
+	return get_id_str(attr->cnst);
+}
+
+/**
+ * Sets the string representation of the internal const.
+ */
+void set_ia32_cnst(ir_node *node, char *cnst) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->cnst        = new_id_from_str(cnst);
+}
+
+/**
+ * Gets the ident representation of the internal const (tv or symconst)
+ */
+ident *get_ia32_id_cnst(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->cnst;
+}
+
+/**
+ * Sets the ident representation of the internal const.
+ */
+void set_ia32_id_cnst(ir_node *node, ident *cnst) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->cnst        = cnst;
+}
+
+/**
+ * Sets the uses_frame flag.
+ */
+void set_ia32_use_frame(ir_node *node) {
+	ia32_attr_t *attr    = get_ia32_attr(node);
+	attr->data.use_frame = 1;
+}
+
+/**
+ * Clears the uses_frame flag.
+ */
+void clear_ia32_use_frame(ir_node *node) {
+	ia32_attr_t *attr    = get_ia32_attr(node);
+	attr->data.use_frame = 0;
+}
+
+/**
+ * Gets the uses_frame flag.
+ */
+int is_ia32_use_frame(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.use_frame;
+}
+
+/**
+ * Sets node to commutative.
+ */
+void set_ia32_commutative(ir_node *node) {
+	ia32_attr_t *attr         = get_ia32_attr(node);
+	attr->data.is_commutative = 1;
+}
+
+/**
+ * Sets node to non-commutative.
+ */
+void clear_ia32_commutative(ir_node *node) {
+	ia32_attr_t *attr         = get_ia32_attr(node);
+	attr->data.is_commutative = 0;
+}
+
+/**
+ * Checks if node is commutative.
+ */
+int is_ia32_commutative(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.is_commutative;
+}
+
+/**
+ * Sets node emit_cl.
+ */
+void set_ia32_emit_cl(ir_node *node) {
+	ia32_attr_t *attr  = get_ia32_attr(node);
+	attr->data.emit_cl = 1;
+}
+
+/**
+ * Clears node emit_cl.
+ */
+void clear_ia32_emit_cl(ir_node *node) {
+	ia32_attr_t *attr  = get_ia32_attr(node);
+	attr->data.emit_cl = 0;
+}
+
+/**
+ * Checks if node is commutative.
+ */
+int is_ia32_emit_cl(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.emit_cl;
+}
+
+/**
+ * Gets the mode of the stored/loaded value (only set for Store/Load)
+ */
+ir_mode *get_ia32_ls_mode(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->ls_mode;
+}
+
+/**
+ * Sets the mode of the stored/loaded value (only set for Store/Load)
+ */
+void set_ia32_ls_mode(ir_node *node, ir_mode *mode) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->ls_mode     = mode;
+}
+
+/**
+ * Gets the mode of the result.
+ */
+ir_mode *get_ia32_res_mode(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->res_mode;
+}
+
+/**
+ * Sets the mode of the result.
+ */
+void set_ia32_res_mode(ir_node *node, ir_mode *mode) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->res_mode    = mode;
+}
+
+/**
+ * Gets the source mode of conversion.
+ */
+ir_mode *get_ia32_src_mode(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->src_mode;
+}
+
+/**
+ * Sets the source mode of conversion.
+ */
+void set_ia32_src_mode(ir_node *node, ir_mode *mode) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->src_mode    = mode;
+}
+
+/**
+ * Gets the target mode of conversion.
+ */
+ir_mode *get_ia32_tgt_mode(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->tgt_mode;
+}
 
-  attr->tp = asmop_Const;
-  attr->tv = tv;
+/**
+ * Sets the target mode of conversion.
+ */
+void set_ia32_tgt_mode(ir_node *node, ir_mode *mode) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->tgt_mode    = mode;
 }
 
 /**
- * Sets the offset for a Lea.
+ * Gets the frame entity assigned to this node;
  */
-void set_ia32_offs(ir_node *node, tarval *offs) {
-  asmop_attr *attr = get_ia32_attr(node);
-  attr->offset     = offs;
+entity *get_ia32_frame_ent(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->frame_ent;
 }
 
 /**
- * Gets the offset for a Lea.
+ * Sets the frame entity for this node;
  */
-tarval *get_ia32_offs(const ir_node *node) {
-  asmop_attr *attr = get_ia32_attr(node);
-  return attr->offset;
+void set_ia32_frame_ent(ir_node *node, entity *ent) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->frame_ent   = ent;
 }
 
 /**
  * Returns the argument register requirements of an ia32 node.
  */
-const arch_register_req_t **get_ia32_in_req(const ir_node *node) {
-  asmop_attr *attr = get_ia32_attr(node);
-  return attr->in_req;
+const ia32_register_req_t **get_ia32_in_req_all(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->in_req;
+}
+
+/**
+ * Sets the argument register requirements of an ia32 node.
+ */
+void set_ia32_in_req_all(ir_node *node, const ia32_register_req_t **reqs) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->in_req      = reqs;
 }
 
 /**
  * Returns the result register requirements of an ia32 node.
  */
-const arch_register_req_t **get_ia32_out_req(const ir_node *node) {
-  asmop_attr *attr = get_ia32_attr(node);
-  return attr->out_req;
+const ia32_register_req_t **get_ia32_out_req_all(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->out_req;
+}
+
+/**
+ * Sets the result register requirements of an ia32 node.
+ */
+void set_ia32_out_req_all(ir_node *node, const ia32_register_req_t **reqs) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->out_req     = reqs;
+}
+
+/**
+ * Returns the argument register requirement at position pos of an ia32 node.
+ */
+const ia32_register_req_t *get_ia32_in_req(const ir_node *node, int pos) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->in_req[pos];
+}
+
+/**
+ * Returns the result register requirement at position pos of an ia32 node.
+ */
+const ia32_register_req_t *get_ia32_out_req(const ir_node *node, int pos) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->out_req[pos];
+}
+
+/**
+ * Sets the OUT register requirements at position pos.
+ */
+void set_ia32_req_out(ir_node *node, const ia32_register_req_t *req, int pos) {
+	ia32_attr_t *attr  = get_ia32_attr(node);
+	attr->out_req[pos] = req;
+}
+
+/**
+ * Sets the IN register requirements at position pos.
+ */
+void set_ia32_req_in(ir_node *node, const ia32_register_req_t *req, int pos) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->in_req[pos] = req;
 }
 
 /**
  * Returns the register flag of an ia32 node.
  */
 arch_irn_flags_t get_ia32_flags(const ir_node *node) {
-  asmop_attr *attr = get_ia32_attr(node);
-  return attr->flags;
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.flags;
+}
+
+/**
+ * Sets the register flag of an ia32 node.
+ */
+void set_ia32_flags(ir_node *node, arch_irn_flags_t flags) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->data.flags  = flags;
 }
 
 /**
  * Returns the result register slots of an ia32 node.
  */
 const arch_register_t **get_ia32_slots(const ir_node *node) {
-  asmop_attr *attr = get_ia32_attr(node);
-  return attr->slots;
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->slots;
+}
+
+/**
+ * Sets the number of results.
+ */
+void set_ia32_n_res(ir_node *node, int n_res) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->data.n_res  = n_res;
 }
 
 /**
- * Returns the name of the IN register at position pos.
+ * Returns the number of results.
  */
-const char *get_ia32_in_reg_name(const ir_node *node, int pos) {
-  assert(0 && "in reg name not yet implemented");
+int get_ia32_n_res(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.n_res;
 }
 
 /**
- * Returns the name of the OUT register at position pos.
+ * Returns the flavour of an ia32 node,
  */
-const char *get_ia32_out_reg_name(const ir_node *node, int pos) {
-  asmop_attr *attr = get_ia32_attr(node);
+ia32_op_flavour_t get_ia32_flavour(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.op_flav;
+}
+
+/**
+ * Sets the flavour of an ia32 node to flavour_Div/Mod/DivMod/Mul/Mulh.
+ */
+void set_ia32_flavour(ir_node *node, ia32_op_flavour_t op_flav) {
+	ia32_attr_t *attr  = get_ia32_attr(node);
+	attr->data.op_flav = op_flav;
+}
+
+/**
+ * Returns the projnum code.
+ */
+long get_ia32_pncode(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->pn_code;
+}
+
+/**
+ * Sets the projnum code
+ */
+void set_ia32_pncode(ir_node *node, long code) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->pn_code     = code;
+}
+
+#ifndef NDEBUG
+
+/**
+ * Returns the name of the original ir node.
+ */
+const char *get_ia32_orig_node(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->orig_node;
+}
+
+/**
+ * Sets the name of the original ir node.
+ */
+void set_ia32_orig_node(ir_node *node, const char *name) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->orig_node   = name;
+}
+
+#endif /* NDEBUG */
+
+/******************************************************************************************************
+ *                      _       _         _   _           __                  _   _
+ *                     (_)     | |       | | | |         / _|                | | (_)
+ *  ___ _ __   ___  ___ _  __ _| |   __ _| |_| |_ _ __  | |_ _   _ _ __   ___| |_ _  ___  _ __    ___
+ * / __| '_ \ / _ \/ __| |/ _` | |  / _` | __| __| '__| |  _| | | | '_ \ / __| __| |/ _ \| '_ \  / __|
+ * \__ \ |_) |  __/ (__| | (_| | | | (_| | |_| |_| |    | | | |_| | | | | (__| |_| | (_) | | | | \__ \
+ * |___/ .__/ \___|\___|_|\__,_|_|  \__,_|\__|\__|_|    |_|  \__,_|_| |_|\___|\__|_|\___/|_| |_| |___/
+ *     | |
+ *     |_|
+ ******************************************************************************************************/
+
+/**
+ * Gets the type of an ia32_Const.
+ */
+unsigned get_ia32_Const_type(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+
+	assert(is_ia32_Cnst(node) && "Need ia32_Const to get type");
+
+	return attr->data.tp;
+}
+
+/**
+ * Sets the type of an ia32_Const.
+ */
+void set_ia32_Const_type(ir_node *node, int type) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+
+	assert(is_ia32_Cnst(node) && "Need ia32_Const to set type");
+	assert((type == ia32_Const || type == ia32_SymConst) && "Unsupported ia32_Const type");
+
+	attr->data.tp = type;
+}
+
+/**
+ * Copy the attributes from an ia32_Const to an Immop (Add_i, Sub_i, ...) node
+ */
+void set_ia32_Immop_attr(ir_node *node, ir_node *cnst) {
+	ia32_attr_t *na = get_ia32_attr(node);
+	ia32_attr_t *ca = get_ia32_attr(cnst);
+
+	switch(get_ia32_Const_type(cnst)) {
+		case ia32_Const:
+			na->cnst_val.tv = ca->cnst_val.tv;
+			na->cnst        = ca->cnst;
+			set_ia32_immop_type(node, ia32_ImmConst);
+			break;
+		case ia32_SymConst:
+			na->cnst_val.sc = ca->cnst_val.sc;
+			na->cnst        = na->cnst_val.sc;
+			set_ia32_immop_type(node, ia32_ImmSymConst);
+			break;
+		default:
+			assert(0 && "Need ia32_Const to set Immop attr");
+	}
+}
+
+/**
+ * Copy the attributes from Immop to an Immop
+ */
+void copy_ia32_Immop_attr(ir_node *dst, ir_node *src) {
+	ia32_attr_t *da = get_ia32_attr(dst);
+	ia32_attr_t *sa = get_ia32_attr(src);
+
+	switch(get_ia32_immop_type(src)) {
+		case ia32_ImmConst:
+			da->cnst_val.tv = sa->cnst_val.tv;
+			da->cnst        = sa->cnst;
+			set_ia32_immop_type(dst, ia32_ImmConst);
+			break;
+		case ia32_ImmSymConst:
+			da->cnst_val.sc = sa->cnst_val.sc;
+			da->cnst        = sa->cnst;
+			set_ia32_immop_type(dst, ia32_ImmSymConst);
+			break;
+		default:
+			assert(0 && "Need Immop to copy Immop attr");
+	}
+}
+
+/**
+ * Copy the attributes from a Firm Const to an ia32_Const
+ */
+void set_ia32_Const_attr(ir_node *ia32_cnst, ir_node *cnst) {
+	ia32_attr_t *attr = get_ia32_attr(ia32_cnst);
+
+	assert(is_ia32_Cnst(ia32_cnst) && "Need ia32_Const to set Const attr");
+
+	switch (get_irn_opcode(cnst)) {
+		case iro_Const:
+			attr->data.tp     = ia32_Const;
+			attr->cnst_val.tv = get_Const_tarval(cnst);
+			attr->cnst        = get_ident_for_tv(attr->cnst_val.tv);
+			break;
+		case iro_SymConst:
+			attr->data.tp     = ia32_SymConst;
+			attr->cnst_val.sc = get_sc_ident(cnst);
+			attr->cnst        = attr->cnst_val.sc;
+			break;
+		case iro_Unknown:
+			assert(0 && "Unknown Const NYI");
+			break;
+		default:
+			assert(0 && "Cannot create ia32_Const for this opcode");
+	}
+}
+
+/**
+ * Sets the AddrMode(S|D) attribute
+ */
+void set_ia32_AddrMode(ir_node *node, char direction) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+
+	switch (direction) {
+		case 'D':
+			attr->data.tp = ia32_AddrModeD;
+			break;
+		case 'S':
+			attr->data.tp = ia32_AddrModeS;
+			break;
+		default:
+			assert(0 && "wrong AM type");
+	}
+}
+
+/**
+ * Returns whether or not the node is an immediate operation with Const.
+ */
+int is_ia32_ImmConst(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return (attr->data.imm_tp == ia32_ImmConst);
+}
+
+/**
+ * Returns whether or not the node is an immediate operation with SymConst.
+ */
+int is_ia32_ImmSymConst(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return (attr->data.imm_tp == ia32_ImmSymConst);
+}
 
-  assert(is_ia32_irn(node) && "Not an ia32 node.");
-  assert(pos < attr->n_res && "Invalid OUT position.");
+/**
+ * Returns whether or not the node is an AddrModeS node.
+ */
+int is_ia32_AddrModeS(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return (attr->data.tp == ia32_AddrModeS);
+}
+
+/**
+ * Returns whether or not the node is an AddrModeD node.
+ */
+int is_ia32_AddrModeD(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return (attr->data.tp == ia32_AddrModeD);
+}
+
+/**
+ * Checks if node is a Load or fLoad/vfLoad.
+ */
+int is_ia32_Ld(const ir_node *node) {
+	return is_ia32_Load(node) || is_ia32_fLoad(node) || is_ia32_vfld(node) || is_ia32_fld(node);
+}
 
-  return attr->slots[pos]->name;
+/**
+ * Checks if node is a Store or fStore/vfStore.
+ */
+int is_ia32_St(const ir_node *node) {
+	return is_ia32_Store(node) || is_ia32_fStore(node) || is_ia32_vfst(node) || is_ia32_fst(node) || is_ia32_fstp(node);
 }
 
 /**
- * Returns the index of the IN register at position pos within its register class.
+ * Checks if node is a Const or fConst/vfConst.
  */
-int get_ia32_in_regnr(const ir_node *node, int pos) {
-  assert(0 && "in reg nr not yet implemented");
+int is_ia32_Cnst(const ir_node *node) {
+	return is_ia32_Const(node) || is_ia32_fConst(node) || is_ia32_vfConst(node);
+}
+
+/**
+ * Returns the name of the OUT register at position pos.
+ */
+const char *get_ia32_out_reg_name(const ir_node *node, int pos) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+
+	assert(is_ia32_irn(node) && "Not an ia32 node.");
+	assert(pos < attr->data.n_res && "Invalid OUT position.");
+	assert(attr->slots[pos]  && "No register assigned");
+
+	return arch_register_get_name(attr->slots[pos]);
 }
 
 /**
  * Returns the index of the OUT register at position pos within its register class.
  */
 int get_ia32_out_regnr(const ir_node *node, int pos) {
-  asmop_attr *attr = get_ia32_attr(node);
+	ia32_attr_t *attr = get_ia32_attr(node);
 
-  assert(is_ia32_irn(node) && "Not an ia32 node.");
-  assert(pos < attr->n_res && "Invalid OUT position.");
+	assert(is_ia32_irn(node) && "Not an ia32 node.");
+	assert(pos < attr->data.n_res && "Invalid OUT position.");
+	assert(attr->slots[pos]  && "No register assigned");
 
-  return attr->slots[pos]->index;
+	return arch_register_get_index(attr->slots[pos]);
 }
 
 /**
- * Sets the number of results.
+ * Returns the OUT register at position pos.
  */
-void set_ia32_n_res(ir_node *node, int n_res) {
-  asmop_attr *attr = get_ia32_attr(node);
-  attr->n_res = n_res;
+const arch_register_t *get_ia32_out_reg(const ir_node *node, int pos) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+
+	assert(is_ia32_irn(node) && "Not an ia32 node.");
+	assert(pos < attr->data.n_res && "Invalid OUT position.");
+	assert(attr->slots[pos]  && "No register assigned");
+
+	return attr->slots[pos];
 }
 
 /**
- * Returns the number of results.
+ * Allocates num register slots for node.
  */
-int get_ia32_n_res(const ir_node *node) {
-  asmop_attr *attr = get_ia32_attr(node);
-  return attr->n_res;
+void alloc_ia32_reg_slots(ir_node *node, int num) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+
+	if (num) {
+		attr->slots = (const arch_register_t **)NEW_ARR_D(arch_register_t*, get_irg_obstack(get_irn_irg(node)), num);
+		memset(attr->slots, 0, sizeof(attr->slots[0]) * num);
+	}
+	else {
+		attr->slots = NULL;
+	}
+
+	attr->data.n_res = num;
 }
 
 /**
- * Sets the flavour of an ia32 DivMod node to flavour_Div/Mod/DivMod.
+ * Initializes the nodes attributes.
  */
-void set_ia32_DivMod_flavour(ir_node *node, divmod_flavour_t dm_flav) {
-  asmop_attr *attr = get_ia32_attr(node);
-  attr->dm_flav    = dm_flav;
+void init_ia32_attributes(ir_node *node, arch_irn_flags_t flags, const ia32_register_req_t **in_reqs,
+						  const ia32_register_req_t **out_reqs, int n_res)
+{
+	set_ia32_flags(node, flags);
+	set_ia32_in_req_all(node, in_reqs);
+	set_ia32_out_req_all(node, out_reqs);
+	alloc_ia32_reg_slots(node, n_res);
+}
+
+/***************************************************************************************
+ *                  _                            _                   _
+ *                 | |                          | |                 | |
+ *  _ __   ___   __| | ___    ___ ___  _ __  ___| |_ _ __ _   _  ___| |_ ___  _ __ ___
+ * | '_ \ / _ \ / _` |/ _ \  / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
+ * | | | | (_) | (_| |  __/ | (_| (_) | | | \__ \ |_| |  | |_| | (__| || (_) | |  \__ \
+ * |_| |_|\___/ \__,_|\___|  \___\___/|_| |_|___/\__|_|   \__,_|\___|\__\___/|_|  |___/
+ *
+ ***************************************************************************************/
+
+/* default compare operation to compare immediate ops */
+int ia32_compare_immop_attr(ia32_attr_t *a, ia32_attr_t *b) {
+	int equ = 0;
+
+	if (a->data.tp == b->data.tp) {
+		equ = (a->cnst == b->cnst);
+		equ = equ ? (a->data.use_frame == b->data.use_frame) : 0;
+
+		if (equ && a->data.use_frame && b->data.use_frame)
+			equ = (a->frame_ent == b->frame_ent);
+	}
+
+	return !equ;
+}
+
+/* copies the ia32 attributes */
+static void ia32_copy_attr(const ir_node *old_node, ir_node *new_node) {
+	ia32_attr_t    *attr_old = get_ia32_attr(old_node);
+	ia32_attr_t    *attr_new = get_ia32_attr(new_node);
+	int             n_res    = get_ia32_n_res(old_node);
+
+	/* copy the attributes */
+	memcpy(attr_new, attr_old, sizeof(*attr_new));
+
+	/* copy the register slots */
+	attr_new->slots = (const arch_register_t **)NEW_ARR_D(arch_register_t*, get_irg_obstack(get_irn_irg(new_node)), n_res);
+	memcpy((void *)attr_new->slots, (void *)attr_old->slots, sizeof(attr_new->slots[0]) * n_res);
 }
 
-/* include generated register allocator interface */
-#include "gen_ia32_regalloc_if.c.inl"
+/**
+ * Registers the ia32_copy_attr function for all ia32 opcodes.
+ */
+void ia32_register_copy_attr_func(void) {
+	unsigned i, f = get_ia32_opcode_first(), l = get_ia32_opcode_last();
+
+	for (i = f; i < l; i++) {
+		ir_op *op = get_irp_opcode(i);
+		op->ops.copy_attr = ia32_copy_attr;
+	}
+}
 
-/* Include the generated functions */
+/* Include the generated constructor functions */
 #include "gen_ia32_new_nodes.c.inl"