X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_new_nodes.c;h=d077b3ad1ed2c71c10f018452c36db5d8ff7ab55;hb=eee248543bd61ec5c3f6aaaa23b9b0cff042fb71;hp=e5c0d31ef89d605abe4a8b2dd459b659987bd504;hpb=511ff9b28e2b1af1b069719db25e3339cfd12bbb;p=libfirm

diff --git a/ir/be/ia32/ia32_new_nodes.c b/ir/be/ia32/ia32_new_nodes.c
index e5c0d31ef..d077b3ad1 100644
--- a/ir/be/ia32/ia32_new_nodes.c
+++ b/ir/be/ia32/ia32_new_nodes.c
@@ -1,6 +1,6 @@
 /**
  * This file implements the creation of the achitecture specific firm opcodes
- * and the coresponding node constructors for the $arch assembler irg.
+ * and the coresponding node constructors for the ia32 assembler irg.
  * @author Christian Wuerdig
  * $Id$
  */
@@ -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"
@@ -20,6 +28,7 @@
 #include "irop.h"
 #include "firm_common_t.h"
 #include "irvrfy_t.h"
+#include "irprintf.h"
 
 #include "../bearch.h"
 
@@ -27,6 +36,28 @@
 #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;
+}
+
 
 
 /***********************************************************************************
@@ -41,42 +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);
+			}
 
-	if (brackets)
-		fprintf(F, "[%s]", buf);
-	else
-		fprintf(F, "%s", buf);
+			p    += cnt;
+			size += cnt;
+
+			if (size >= max)
+				break;
+		}
+	}
+
+	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;
 
-	switch (get_SymConst_kind(symc)) {
-		case symconst_addr_name:
-			return get_id_str(get_SymConst_name(symc));
+	memset(buf, 0, 1024);
 
-		case symconst_addr_ent:
-			return get_entity_ld_name(get_SymConst_entity(symc));
+	if (reqs) {
+		for (i = 0; i < max; i++) {
+			fprintf(F, "%sreq #%d =", dir, i);
 
-		default:
-			assert(0 && "Unsupported SymConst");
-	}
+			if (reqs[i]->req.type == arch_register_req_type_none) {
+				fprintf(F, " n/a");
+			}
 
-	return NULL;
+			if (reqs[i]->req.type & arch_register_req_type_normal) {
+				fprintf(F, " %s", reqs[i]->req.cls->name);
+			}
+
+			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);
+	}
 }
 
 /**
@@ -86,141 +153,277 @@ const char *get_sc_name(ir_node *symc) {
  * @param reason   indicates which kind of information should be dumped
  * @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;
+static int ia32_dump_node(ir_node *n, FILE *F, dump_reason_t reason) {
+	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:
-			name = get_irn_opname(n);
-			fprintf(F, "%s", name);
+			fprintf(F, "%s", get_irn_opname(n));
 			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 (is_ia32_Ld(n) || is_ia32_St(n)) {
+				mode = get_ia32_ls_mode(n);
 			}
 
-			if (mode) {
-				fprintf(F, "[%s]", get_mode_name(mode));
-			}
+			fprintf(F, "[%s]", mode ? get_mode_name(mode) : "?NOMODE?");
 			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) || is_ia32_fConst(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(n);
+			if (is_ia32_ImmConst(n) || is_ia32_ImmSymConst(n) || is_ia32_Cnst(n)) {
+				char       *pref = is_ia32_ImmSymConst(n) || (get_ia32_op_type(n) == ia32_SymConst) ? "SymC " : "";
+				const char *cnst = get_ia32_cnst(n);
 
-				fprintf(F, "&%s ", get_sc_name(sc));
+				fprintf(F, "[%s%s]", pref, cnst ? cnst : "NONE");
 			}
 
-			if (is_ia32_AddrMode(n)) {
-				fprintf(F, "[AddrMode] ");
+			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:
-			attr = get_ia32_attr(n);
+			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);
-
-				if (reqs) {
-					for (i = 0; i < get_irn_arity(n); i++) {
-						if (reqs[i]->req.type != arch_register_req_type_none) {
-							fprintf(F, "inreq[%d]=[%s]\n", i, reqs[i]->req.cls->name);
-						}
-						else {
-							fprintf(F, "inreq[%d]=[none]\n", i);
-						}
-					}
-
-					fprintf(F, "\n");
-				}
-				else {
-					fprintf(F, "NO IN REQS\n");
-				}
+				dump_reg_req(F, n, reqs, 0);
 			}
 
 			/* dump OUT requirements */
-			if (attr->n_res > 0) {
+			if (n_res > 0) {
 				reqs = get_ia32_out_req_all(n);
-
-				if (reqs) {
-					for (i = 0; i < attr->n_res; i++) {
-						if (reqs[i]->req.type != arch_register_req_type_none) {
-							fprintf(F, "outreq[%d]=[%s]\n", i, reqs[i]->req.cls->name);
-						}
-						else {
-							fprintf(F, "outreq[%d]=[none]\n", i);
-						}
-					}
-				}
-				else {
-					fprintf(F, "NO OUT REQS\n");
-				}
+				dump_reg_req(F, n, reqs, 1);
 			}
 
 			/* 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 = n/a\n", i);
-					}
+			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");
 			}
 
-			/* special for LEA */
-			if (is_ia32_Lea(n) || is_ia32_Lea_i(n)) {
-				tarval *o  = get_ia32_am_offs(n);
-				tarval *tv = get_ia32_Immop_tarval(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 immop type */
+			fprintf(F, "immediate = ");
+			switch (get_ia32_immop_type(n)) {
+				case ia32_ImmNone:
+					fprintf(F, "None");
+					break;
+				case ia32_ImmConst:
+					fprintf(F, "Const");
+					break;
+				case ia32_ImmSymConst:
+					fprintf(F, "SymConst");
+					break;
+				default:
+					fprintf(F, "unknown (%d)", get_ia32_immop_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");
 
-				fprintf(F, "LEA ");
-				if (o) {
-					fprintf_tv(F, o, 0);
+			/* 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);
 
-				fprintf(F, "(%s", get_irn_opname(get_irn_n(n, 0)));
+			/* 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");
 
-				if (is_ia32_Lea(n)) {
-					fprintf(F, ", %s", get_irn_opname(get_irn_n(n, 1)));
-				}
+			/* 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));
+
+			/* emit cl */
+			fprintf(F, "emit cl instead of ecx = %d\n", is_ia32_emit_cl(n));
 
-				if (tv) {
-					fprintf(F, ", ");
-					fprintf_tv(F, tv, 0);
+			/* got lea */
+			fprintf(F, "got loea = %d\n", is_ia32_got_lea(n));
+
+			/* got reload */
+			fprintf(F, "got reload = %d\n", is_ia32_got_reload(n));
+
+			/* dump latency */
+			fprintf(F, "latency = %d\n", get_ia32_latency(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, ")\n");
+				if (flags & arch_irn_flags_modify_sp) {
+					fprintf(F, " modify_sp");
+				}
+			}
+			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");
+
+			/* dump modes */
+			fprintf(F, "ls_mode = ");
+			if (get_ia32_ls_mode(n)) {
+				ir_fprintf(F, "%+F", get_ia32_ls_mode(n));
+			}
+			else {
+				fprintf(F, "n/a");
 			}
+			fprintf(F, "\n");
+
+			fprintf(F, "res_mode = ");
+			if (get_ia32_res_mode(n)) {
+				ir_fprintf(F, "%+F", get_ia32_res_mode(n));
+			}
+			else {
+				fprintf(F, "n/a");
+			}
+			fprintf(F, "\n");
+
+			fprintf(F, "src_mode = ");
+			if (get_ia32_src_mode(n)) {
+				ir_fprintf(F, "%+F", get_ia32_src_mode(n));
+			}
+			else {
+				fprintf(F, "n/a");
+			}
+			fprintf(F, "\n");
+
+			fprintf(F, "tgt_mode = ");
+			if (get_ia32_tgt_mode(n)) {
+				ir_fprintf(F, "%+F", get_ia32_tgt_mode(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;
 	}
 
@@ -240,132 +443,547 @@ 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];
+	int len = tarval_snprintf(buf, sizeof(buf), tv);
+	assert(len);
+	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) {
+ia32_attr_t *get_ia32_attr(const ir_node *node) {
 	assert(is_ia32_irn(node) && "need ia32 node to get ia32 attributes");
-	return (asmop_attr *)get_irn_generic_attr((ir_node *)node);
+	return (ia32_attr_t *)get_irn_generic_attr((ir_node *)node);
 }
 
 /**
  * Gets the type of an ia32 node.
  */
-asmop_type_t get_ia32_op_type(const ir_node *node) {
-	asmop_attr *attr = get_ia32_attr(node);
-	return attr->tp;
+ia32_op_type_t get_ia32_op_type(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.tp;
 }
 
 /**
  * Sets the type of an ia32 node.
  */
-void set_ia32_op_type(const ir_node *node, asmop_type_t tp) {
-	asmop_attr *attr = get_ia32_attr(node);
-	attr->tp         = tp;
+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;
 }
 
 /**
- * Gets the addr mode type of an ia32 node
+ * Gets the immediate op type of an ia32 node.
  */
-addrmode_type_t get_ia32_am_type(const ir_node *node) {
-	asmop_attr *attr = get_ia32_attr(node);
-	return attr->am_tp;
+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;
 }
 
 /**
- * Sets the addr mode type of an ia32 node
+ * Sets the immediate op type of an ia32 node.
  */
-void set_ia32_am_type(const ir_node *node, addrmode_type_t am_tp) {
-	asmop_attr *attr = get_ia32_attr(node);
-	attr->am_tp      = am_tp;
+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;
 }
 
 /**
- * Gets the addr mode offset.
+ * Gets the supported addrmode of an ia32 node
  */
-tarval *get_ia32_am_offs(const ir_node *node) {
-	asmop_attr *attr = get_ia32_attr(node);
-	return attr->am_offs;
+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;
 }
 
 /**
- * Sets the offset for addr mode.
+ * Sets the supported addrmode of an ia32 node
  */
-void set_ia32_am_offs(ir_node *node, tarval *am_offs) {
-	asmop_attr *attr = get_ia32_attr(node);
-	attr->am_offs    = am_offs;
+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;
+}
+
+/**
+ * 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;
+}
+
+/**
+ * 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;
+}
+
+/**
+ * Joins all offsets to one string with adds.
+ */
+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;
+	}
+
+	if (! attr->plain_offs)
+		attr->plain_offs = (struct obstack *)_new_arr_d(get_irg_obstack(get_irn_irg(node)), 1, sizeof(*(attr->plain_offs)));
+	else
+		obstack_free(attr->plain_offs, NULL);
+
+	obstack_init(attr->plain_offs);
+
+	size = obstack_object_size(attr->am_offs);
+	if (size > 0) {
+		res = obstack_alloc(attr->plain_offs, 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 = (struct obstack *)_new_arr_d(get_irg_obstack(get_irn_irg(node)), 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;
 }
 
 /**
  * Gets the addr mode const.
  */
-tarval *get_ia32_am_const(const ir_node *node) {
-	asmop_attr *attr = get_ia32_attr(node);
-	return attr->am_const;
+int get_ia32_am_scale(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.am_scale;
 }
 
 /**
- * Sets the const for addr mode.
+ * Sets the index register scale for addrmode.
  */
-void set_ia32_am_const(ir_node *node, tarval *am_const) {
-	asmop_attr *attr = get_ia32_attr(node);
-	attr->am_const   = am_const;
+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) {
-	asmop_attr *attr = get_ia32_attr(node);
-    return attr->tv;
+	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);
-	attr->tv = tv;
+	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 needs %cl.
+ */
+int is_ia32_emit_cl(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.emit_cl;
+}
+
+/**
+ * Sets node got_lea.
+ */
+void set_ia32_got_lea(ir_node *node) {
+	ia32_attr_t *attr  = get_ia32_attr(node);
+	attr->data.got_lea = 1;
+}
+
+/**
+ * Clears node got_lea.
+ */
+void clear_ia32_got_lea(ir_node *node) {
+	ia32_attr_t *attr  = get_ia32_attr(node);
+	attr->data.got_lea = 0;
+}
+
+/**
+ * Checks if node got lea.
+ */
+int is_ia32_got_lea(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.got_lea;
+}
+
+/**
+ * Sets node got_reload.
+ */
+void set_ia32_got_reload(ir_node *node) {
+	ia32_attr_t *attr     = get_ia32_attr(node);
+	attr->data.got_reload = 1;
+}
+
+/**
+ * Clears node got_reload.
+ */
+void clear_ia32_got_reload(ir_node *node) {
+	ia32_attr_t *attr     = get_ia32_attr(node);
+	attr->data.got_reload = 0;
+}
+
+/**
+ * Checks if node got reload.
+ */
+int is_ia32_got_reload(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.got_reload;
+}
+
+/**
+ * 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;
 }
 
 /**
- * Return the old_ir attribute.
+ * Gets the target mode of conversion.
  */
-ir_node *get_ia32_old_ir(const ir_node *node) {
-  asmop_attr *attr = get_ia32_attr(node);
-  return attr->old_ir;
+ir_mode *get_ia32_tgt_mode(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->tgt_mode;
 }
 
 /**
- * Sets the old_ir attribute.
+ * Sets the target mode of conversion.
  */
-void set_ia32_old_ir(ir_node *node, ir_node *old_ir) {
-  asmop_attr *attr = get_ia32_attr(node);
-  attr->old_ir = old_ir;
+void set_ia32_tgt_mode(ir_node *node, ir_mode *mode) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->tgt_mode    = mode;
+}
+
+/**
+ * Gets the frame entity assigned to this node.
+ */
+entity *get_ia32_frame_ent(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->frame_ent;
+}
+
+/**
+ * Sets the frame entity for this node.
+ */
+void set_ia32_frame_ent(ir_node *node, entity *ent) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->frame_ent   = ent;
+	set_ia32_use_frame(node);
+}
+
+
+/**
+ * Gets the instruction latency.
+ */
+unsigned get_ia32_latency(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->latency;
+}
+
+/**
+* Sets the instruction latency.
+*/
+void set_ia32_latency(ir_node *node, unsigned latency) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->latency     = latency;
 }
 
 /**
  * Returns the argument register requirements of an ia32 node.
  */
 const ia32_register_req_t **get_ia32_in_req_all(const ir_node *node) {
-	asmop_attr *attr = get_ia32_attr(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 ia32_register_req_t **get_ia32_out_req_all(const ir_node *node) {
-	asmop_attr *attr = get_ia32_attr(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) {
-	asmop_attr *attr = get_ia32_attr(node);
+	ia32_attr_t *attr = get_ia32_attr(node);
 	return attr->in_req[pos];
 }
 
@@ -373,7 +991,7 @@ const ia32_register_req_t *get_ia32_in_req(const ir_node *node, int 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) {
-	asmop_attr *attr = get_ia32_attr(node);
+	ia32_attr_t *attr = get_ia32_attr(node);
 	return attr->out_req[pos];
 }
 
@@ -381,7 +999,7 @@ const ia32_register_req_t *get_ia32_out_req(const ir_node *node, int 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) {
-	asmop_attr *attr   = get_ia32_attr(node);
+	ia32_attr_t *attr  = get_ia32_attr(node);
 	attr->out_req[pos] = req;
 }
 
@@ -389,7 +1007,7 @@ void set_ia32_req_out(ir_node *node, const ia32_register_req_t *req, int pos) {
  * Sets the IN register requirements at position pos.
  */
 void set_ia32_req_in(ir_node *node, const ia32_register_req_t *req, int pos) {
-	asmop_attr *attr  = get_ia32_attr(node);
+	ia32_attr_t *attr = get_ia32_attr(node);
 	attr->in_req[pos] = req;
 }
 
@@ -397,102 +1015,63 @@ void set_ia32_req_in(ir_node *node, const ia32_register_req_t *req, int pos) {
  * 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(const ir_node *node, arch_irn_flags_t flags) {
-	asmop_attr *attr = get_ia32_attr(node);
-	attr->flags      = flags;
+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);
+	ia32_attr_t *attr = get_ia32_attr(node);
 	return attr->slots;
 }
 
-/**
- * Returns the name of the OUT register at position pos.
- */
-const char *get_ia32_out_reg_name(const ir_node *node, int pos) {
-	asmop_attr *attr = get_ia32_attr(node);
-
-	assert(is_ia32_irn(node) && "Not an ia32 node.");
-	assert(pos < attr->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);
-
-	assert(is_ia32_irn(node) && "Not an ia32 node.");
-	assert(pos < attr->n_res && "Invalid OUT position.");
-	assert(attr->slots[pos]  && "No register assigned");
-
-	return arch_register_get_index(attr->slots[pos]);
-}
-
-/**
- * Returns the OUT register at position pos.
- */
-const arch_register_t *get_ia32_out_reg(const ir_node *node, int pos) {
-	asmop_attr *attr = get_ia32_attr(node);
-
-	assert(is_ia32_irn(node) && "Not an ia32 node.");
-	assert(pos < attr->n_res && "Invalid OUT position.");
-	assert(attr->slots[pos]  && "No register assigned");
-
-	return attr->slots[pos];
-}
-
 /**
  * Sets the number of results.
  */
 void set_ia32_n_res(ir_node *node, int n_res) {
-	asmop_attr *attr = get_ia32_attr(node);
-	attr->n_res      = n_res;
+	ia32_attr_t *attr = get_ia32_attr(node);
+	attr->data.n_res  = n_res;
 }
 
 /**
  * Returns the number of results.
  */
 int get_ia32_n_res(const ir_node *node) {
-	asmop_attr *attr = get_ia32_attr(node);
-	return attr->n_res;
+	ia32_attr_t *attr = get_ia32_attr(node);
+	return attr->data.n_res;
 }
 
 /**
  * Returns the flavour of an ia32 node,
  */
-op_flavour_t get_ia32_flavour(const ir_node *node) {
-	asmop_attr *attr = get_ia32_attr(node);
-	return attr->op_flav;
+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, op_flavour_t op_flav) {
-	asmop_attr *attr = get_ia32_attr(node);
-	attr->op_flav    = op_flav;
+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) {
-	asmop_attr *attr = get_ia32_attr(node);
+	ia32_attr_t *attr = get_ia32_attr(node);
 	return attr->pn_code;
 }
 
@@ -500,10 +1079,29 @@ long get_ia32_pncode(const ir_node *node) {
  * Sets the projnum code
  */
 void set_ia32_pncode(ir_node *node, long code) {
-	asmop_attr *attr = get_ia32_attr(node);
-	attr->pn_code    = 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 */
 
 /******************************************************************************************************
  *                      _       _         _   _           __                  _   _
@@ -519,65 +1117,95 @@ void set_ia32_pncode(ir_node *node, long code) {
 /**
  * Gets the type of an ia32_Const.
  */
-unsigned get_ia32_Const_type(ir_node *node) {
-	asmop_attr *attr = get_ia32_attr(node);
+unsigned get_ia32_Const_type(const ir_node *node) {
+	ia32_attr_t *attr = get_ia32_attr(node);
 
-	assert((is_ia32_Const(node) || is_ia32_fConst(node)) && "Need ia32_Const to get type");
+	assert(is_ia32_Cnst(node) && "Need ia32_Const to get type");
 
-	return attr->tp;
+	return attr->data.tp;
 }
 
 /**
  * Sets the type of an ia32_Const.
  */
 void set_ia32_Const_type(ir_node *node, int type) {
-	asmop_attr *attr = get_ia32_attr(node);
+	ia32_attr_t *attr = get_ia32_attr(node);
 
-	assert((is_ia32_Const(node) || is_ia32_fConst(node)) && "Need ia32_Const to set type");
-	assert((type == asmop_Const || type == asmop_SymConst) && "Unsupported ia32_Const type");
+	assert(is_ia32_Cnst(node) && "Need ia32_Const to set type");
+	assert((type == ia32_Const || type == ia32_SymConst) && "Unsupported ia32_Const type");
 
-	attr->tp = 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) {
-	asmop_attr *na = get_ia32_attr(node);
-	asmop_attr *ca = get_ia32_attr(cnst);
-
-	assert((is_ia32_Const(cnst) || is_ia32_fConst(cnst)) && "Need ia32_Const to set Immop attr");
-
-	na->tp = ca->tp;
-	na->tv = ca->tv;
-
-	if (ca->old_ir) {
-		na->old_ir = calloc(1, sizeof(*(ca->old_ir)));
-		memcpy(na->old_ir, ca->old_ir, sizeof(*(ca->old_ir)));
+	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");
 	}
-	else {
-		na->old_ir = NULL;
+}
+
+/**
+ * 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 Const to an ia32_Const
+ * Copy the attributes from a Firm Const to an ia32_Const
  */
 void set_ia32_Const_attr(ir_node *ia32_cnst, ir_node *cnst) {
-	asmop_attr *attr = get_ia32_attr(ia32_cnst);
+	ia32_attr_t *attr = get_ia32_attr(ia32_cnst);
+	ir_mode *mode;
 
-	assert((is_ia32_Const(ia32_cnst) || is_ia32_fConst(ia32_cnst)) && "Need ia32_Const to set Const attr");
+	assert(is_ia32_Cnst(ia32_cnst) && "Need ia32_Const to set Const attr");
 
 	switch (get_irn_opcode(cnst)) {
 		case iro_Const:
-			attr->tp = asmop_Const;
-			attr->tv = get_Const_tarval(cnst);
+			attr->data.tp     = ia32_Const;
+			attr->cnst_val.tv = get_Const_tarval(cnst);
+			mode = get_tarval_mode(attr->cnst_val.tv);
+			if (mode_is_reference(mode) &&
+			    get_mode_null(mode) == attr->cnst_val.tv)
+				attr->cnst_val.tv = get_mode_null(mode_Is);
+			attr->cnst        = get_ident_for_tv(attr->cnst_val.tv);
 			break;
 		case iro_SymConst:
-			attr->tp     = asmop_SymConst;
-			attr->tv     = NULL;
-			attr->old_ir = calloc(1, sizeof(*cnst));
-			memcpy(attr->old_ir, cnst, sizeof(*cnst));
+			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");
@@ -588,22 +1216,130 @@ void set_ia32_Const_attr(ir_node *ia32_cnst, ir_node *cnst) {
 }
 
 /**
- * Sets the AddrMode attribute
+ * Sets the AddrMode(S|D) attribute
  */
-void set_ia32_AddrMode(ir_node *node) {
-	asmop_attr *attr = get_ia32_attr(node);
-	attr->tp         = asmop_AddrMode;
+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 AddrMode node.
+ * Returns whether or not the node is an immediate operation with Const.
  */
-int is_ia32_AddrMode(ir_node *node) {
-	asmop_attr *attr = get_ia32_attr(node);
-	return (attr->tp == asmop_AddrMode);
+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);
+}
 
+/**
+ * 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 xLoad/vfLoad.
+ */
+int is_ia32_Ld(const ir_node *node) {
+	return is_ia32_Load(node) || is_ia32_xLoad(node) || is_ia32_vfld(node) || is_ia32_fld(node);
+}
+
+/**
+ * Checks if node is a Store or xStore/vfStore.
+ */
+int is_ia32_St(const ir_node *node) {
+	return is_ia32_Store(node) || is_ia32_xStore(node) || is_ia32_vfst(node) || is_ia32_fst(node) || is_ia32_fstp(node);
+}
+
+/**
+ * Checks if node is a Const or xConst/vfConst.
+ */
+int is_ia32_Cnst(const ir_node *node) {
+	return is_ia32_Const(node) || is_ia32_xConst(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 < (int) 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) {
+	ia32_attr_t *attr = get_ia32_attr(node);
+
+	assert(is_ia32_irn(node) && "Not an ia32 node.");
+	assert(pos < (int) attr->data.n_res && "Invalid OUT position.");
+	assert(attr->slots[pos]  && "No register assigned");
+
+	return arch_register_get_index(attr->slots[pos]);
+}
+
+/**
+ * Returns the OUT register at position pos.
+ */
+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 < (int) attr->data.n_res && "Invalid OUT position.");
+	assert(attr->slots[pos]  && "No register assigned");
+
+	return attr->slots[pos];
+}
+
+/**
+ * Initializes the nodes attributes.
+ */
+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, unsigned latency)
+{
+	ia32_attr_t *attr = get_ia32_attr(node);
+	set_ia32_flags(node, flags);
+	set_ia32_in_req_all(node, in_reqs);
+	set_ia32_out_req_all(node, out_reqs);
+	set_ia32_latency(node, latency);
+
+	attr->data.n_res = n_res;
+	memset((void *)attr->slots, 0, n_res * sizeof(attr->slots[0]));
+}
 
 /***************************************************************************************
  *                  _                            _                   _
@@ -615,5 +1351,29 @@ int is_ia32_AddrMode(ir_node *node) {
  *
  ***************************************************************************************/
 
+/* 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;
+}
+
+/* compare converts */
+int ia32_compare_conv_attr(ia32_attr_t *a, ia32_attr_t *b) {
+	int equ = ! ia32_compare_immop_attr(a, b);
+
+	equ = equ ? (a->src_mode == b->src_mode) && (a->tgt_mode == b->tgt_mode) : equ;
+
+	return !equ;
+}
+
 /* Include the generated constructor functions */
 #include "gen_ia32_new_nodes.c.inl"