fix warnings because compare_attr gets const nodes now
[libfirm] / ir / be / arm / arm_new_nodes.c
index 3f4daf3..4f6ca20 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2011 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
  * @author Oliver Richter, Tobias Gneist
  * @version $Id$
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
 
 #include <stdlib.h>
+#include <stdbool.h>
 
 #include "irprog_t.h"
 #include "irgraph_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 "xmalloc.h"
 
-#include "../bearch_t.h"
+#include "../bearch.h"
 
 #include "arm_nodes_attr.h"
 #include "arm_new_nodes.h"
+#include "arm_optimize.h"
 
 #include "../beabi.h"
 #include "bearch_arm_t.h"
 
-/**
- * Returns the shift modifier string.
- */
-const char *arm_shf_mod_name(arm_shift_modifier mod) {
-  static const char *names[] = { NULL, NULL, "asr", "lsl", "lsr", "ror", "rrx" };
-       return names[mod];
-}
-
-/***********************************************************************************
- *      _                                   _       _             __
- *     | |                                 (_)     | |           / _|
- *   __| |_   _ _ __ ___  _ __   ___ _ __   _ _ __ | |_ ___ _ __| |_ __ _  ___ ___
- *  / _` | | | | '_ ` _ \| '_ \ / _ \ '__| | | '_ \| __/ _ \ '__|  _/ _` |/ __/ _ \
- * | (_| | |_| | | | | | | |_) |  __/ |    | | | | | ||  __/ |  | || (_| | (_|  __/
- *  \__,_|\__,_|_| |_| |_| .__/ \___|_|    |_|_| |_|\__\___|_|  |_| \__,_|\___\___|
- *                       | |
- *                       |_|
- ***********************************************************************************/
-
-/**
- * Dumps the register requirements for either in or out.
- */
-static void dump_reg_req(FILE *F, const ir_node *node,
-                         const arch_register_req_t **reqs, int inout) {
-       char *dir = inout ? "out" : "in";
-       int   max = inout ? get_arm_n_res(node) : get_irn_arity(node);
-       char  buf[1024];
-       int   i;
-
-       memset(buf, 0, sizeof(buf));
-
-       if (reqs) {
-               for (i = 0; i < max; i++) {
-                       fprintf(F, "%sreq #%d =", dir, i);
-
-                       if (reqs[i]->type == arch_register_req_type_none) {
-                               fprintf(F, " n/a");
-                       }
-
-                       if (reqs[i]->type & arch_register_req_type_normal) {
-                               fprintf(F, " %s", reqs[i]->cls->name);
-                       }
-
-                       if (reqs[i]->type & arch_register_req_type_limited) {
-                               fprintf(F, " %s",
-                                       arch_register_req_format(buf, sizeof(buf), reqs[i], node));
-                       }
-
-                       if (reqs[i]->type & arch_register_req_type_should_be_same) {
-                               const unsigned other = reqs[i]->other_same;
-                               int i;
+const char *arm_get_fpa_imm_name(long imm_value)
+{
+       static const char *fpa_imm[] = {
+               "0",
+               "1",
+               "2",
+               "3",
+               "4",
+               "5",
+               "10",
+               "0.5"
+       };
+       return fpa_imm[imm_value];
+}
 
-                               ir_fprintf(F, " same as");
-                               for (i = 0; 1U << i <= other; ++i) {
-                                       if (other & (1U << i)) {
-                                               ir_fprintf(F, " %+F", get_irn_n(node, i));
-                                       }
-                               }
-                       }
+static bool arm_has_symconst_attr(const ir_node *node)
+{
+       return is_arm_SymConst(node) || is_arm_FrameAddr(node) || is_arm_Bl(node);
+}
 
-                       if (reqs[i]->type & arch_register_req_type_should_be_different) {
-                               const unsigned other = reqs[i]->other_different;
-                               int i;
+static bool has_load_store_attr(const ir_node *node)
+{
+       return is_arm_Ldr(node) || is_arm_Str(node) || is_arm_LinkLdrPC(node)
+               || is_arm_Ldf(node) || is_arm_Stf(node);
+}
 
-                               ir_fprintf(F, " different from");
-                               for (i = 0; 1U << i <= other; ++i) {
-                                       if (other & (1U << i)) {
-                                               ir_fprintf(F, " %+F", get_irn_n(node, i));
-                                       }
-                               }
-                       }
+static bool has_shifter_operand(const ir_node *node)
+{
+       return is_arm_Add(node) || is_arm_And(node) || is_arm_Or(node)
+               || is_arm_Eor(node) || is_arm_Bic(node) || is_arm_Sub(node)
+               || is_arm_Rsb(node) || is_arm_Mov(node) || is_arm_Mvn(node)
+               || is_arm_Cmp(node) || is_arm_Tst(node) || is_arm_LinkMovPC(node);
+}
 
-                       fprintf(F, "\n");
-               }
+static bool has_cmp_attr(const ir_node *node)
+{
+       return is_arm_Cmp(node) || is_arm_Tst(node);
+}
 
-               fprintf(F, "\n");
-       } else {
-               fprintf(F, "%sreq = N/A\n", dir);
-       }
+static bool has_farith_attr(const ir_node *node)
+{
+       return is_arm_Adf(node) || is_arm_Muf(node) || is_arm_Suf(node)
+           || is_arm_Dvf(node) || is_arm_Mvf(node) || is_arm_FltX(node);
 }
 
 /**
  * Dumper interface for dumping arm nodes in vcg.
- * @param n        the node to dump
  * @param F        the output file
+ * @param n        the node to dump
  * @param reason   indicates which kind of information should be dumped
- * @return 0 on success or != 0 on failure
  */
-static int arm_dump_node(ir_node *n, FILE *F, dump_reason_t reason) {
-       ir_mode     *mode = NULL;
-       int          bad  = 0;
-       int          i;
-       arm_attr_t  *attr = get_arm_attr(n);
-       const arch_register_req_t **reqs;
-       const arch_register_t     **slots;
-       arm_shift_modifier        mod;
-
+static void arm_dump_node(FILE *F, ir_node *n, dump_reason_t reason)
+{
        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 (mode) {
-                               fprintf(F, "[%s]", get_mode_name(mode));
-                       }
-                       else {
-                               fprintf(F, "[?NOMODE?]");
-                       }
-                       break;
-
-               case dump_node_nodeattr_txt:
-                       mod = ARM_GET_SHF_MOD(attr);
-                       if (ARM_HAS_SHIFT(mod)) {
-                               fprintf(F, "[%s #%ld]", arm_shf_mod_name(mod), get_tarval_long(attr->value));
-                       }
-                       else if (mod == ARM_SHF_IMM) {
-                               /* immediate */
-                               fprintf(F, "[#0x%X]", arm_decode_imm_w_shift(attr->value));
-                       }
-                       break;
-
-               case dump_node_info_txt:
-                       fprintf(F, "=== arm attr begin ===\n");
-
-                       /* dump IN requirements */
-                       if (get_irn_arity(n) > 0) {
-                               reqs = get_arm_in_req_all(n);
-                               dump_reg_req(F, n, reqs, 0);
+       case dump_node_opcode_txt:
+               fprintf(F, "%s", get_irn_opname(n));
+
+               if (arm_has_symconst_attr(n)) {
+                       const arm_SymConst_attr_t *attr = get_arm_SymConst_attr_const(n);
+                       if (attr->entity != NULL) {
+                               fputc(' ', F);
+                               fputs(get_entity_name(attr->entity), F);
                        }
-
-                       /* dump OUT requirements */
-                       if (ARR_LEN(attr->slots) > 0) {
-                               reqs = get_arm_out_req_all(n);
-                               dump_reg_req(F, n, reqs, 1);
-                       }
-
-                       /* dump assigned registers */
-                       slots = get_arm_slots(n);
-                       if (slots && ARR_LEN(attr->slots) > 0) {
-                               for (i = 0; i < ARR_LEN(attr->slots); i++) {
-                                       if (slots[i]) {
-                                               fprintf(F, "reg #%d = %s\n", i, slots[i]->name);
-                                       }
-                                       else {
-                                               fprintf(F, "reg #%d = n/a\n", i);
-                                       }
-                               }
-                       }
-                       fprintf(F, "\n");
-
-                       /* dump n_res */
-                       fprintf(F, "n_res = %d\n", get_arm_n_res(n));
-
-                       /* dump flags */
-                       fprintf(F, "flags =");
-                       if (attr->flags == arch_irn_flags_none) {
-                               fprintf(F, " none");
+               }
+               break;
+
+       case dump_node_mode_txt:
+               /* mode isn't relevant in the backend */
+               break;
+
+       case dump_node_nodeattr_txt:
+               /* TODO: dump shift modifiers */
+               break;
+
+       case dump_node_info_txt:
+               arch_dump_reqs_and_registers(F, n);
+
+               if (has_load_store_attr(n)) {
+                       const arm_load_store_attr_t *attr
+                               = get_arm_load_store_attr_const(n);
+                       ir_fprintf(F, "load_store_mode = %+F\n", attr->load_store_mode);
+                       ir_fprintf(F, "entity = %+F\n", attr->entity);
+                       fprintf(F, "offset = %ld\n", attr->offset);
+                       fprintf(F, "is_frame_entity = %s\n",
+                                       attr->is_frame_entity ? "yes" : "no");
+                       fprintf(F, "entity_sign = %s\n",
+                                       attr->entity_sign ? "yes" : "no");
+               }
+               if (has_shifter_operand(n)) {
+                       const arm_shifter_operand_t *attr
+                               = get_arm_shifter_operand_attr_const(n);
+                       switch (attr->shift_modifier) {
+                       case ARM_SHF_REG:
+                               break;
+                       case ARM_SHF_IMM:
+                               fprintf(F, "modifier = imm %d ror %d\n",
+                                               attr->immediate_value, attr->shift_immediate);
+                               break;
+                       case ARM_SHF_ASR_IMM:
+                               fprintf(F, "modifier = V >>s %d\n", attr->shift_immediate);
+                               break;
+                       case ARM_SHF_ASR_REG:
+                               fprintf(F, "modifier = V >>s R\n");
+                               break;
+                       case ARM_SHF_LSL_IMM:
+                               fprintf(F, "modifier = V << %d\n", attr->shift_immediate);
+                               break;
+                       case ARM_SHF_LSL_REG:
+                               fprintf(F, "modifier = V << R\n");
+                               break;
+                       case ARM_SHF_LSR_IMM:
+                               fprintf(F, "modifier = V >> %d\n", attr->shift_immediate);
+                               break;
+                       case ARM_SHF_LSR_REG:
+                               fprintf(F, "modifier = V >> R\n");
+                               break;
+                       case ARM_SHF_ROR_IMM:
+                               fprintf(F, "modifier = V ROR %d\n", attr->shift_immediate);
+                               break;
+                       case ARM_SHF_ROR_REG:
+                               fprintf(F, "modifier = V ROR R\n");
+                               break;
+                       case ARM_SHF_RRX:
+                               fprintf(F, "modifier = RRX\n");
+                               break;
+                       default:
+                       case ARM_SHF_INVALID:
+                               fprintf(F, "modifier = INVALID SHIFT MODIFIER\n");
+                               break;
                        }
-                       else {
-                               if (attr->flags & arch_irn_flags_dont_spill) {
-                                       fprintf(F, " unspillable");
-                               }
-                               if (attr->flags & arch_irn_flags_rematerializable) {
-                                       fprintf(F, " remat");
-                               }
-                               if (attr->flags & arch_irn_flags_ignore) {
-                                       fprintf(F, " ignore");
-                               }
+               }
+               if (has_cmp_attr(n)) {
+                       const arm_cmp_attr_t *attr = get_arm_cmp_attr_const(n);
+                       fprintf(F, "cmp_attr =");
+                       if (attr->is_unsigned) {
+                               fprintf(F, " unsigned");
                        }
-                       fprintf(F, " (%d)\n", attr->flags);
-
-                       if (get_arm_value(n)) {
-                               if (is_arm_CopyB(n)) {
-                                       fprintf(F, "size = %lu\n", get_tarval_long(get_arm_value(n)));
-                               } else {
-                                       if (mode_is_float(get_irn_mode(n))) {
-                                               fprintf(F, "float value = (%f)\n", (double) get_tarval_double(get_arm_value(n)));
-                                       } else if (mode_is_int(get_irn_mode(n))) {
-                                               long v =  get_tarval_long(get_arm_value(n));
-                                               fprintf(F, "long value = %ld (0x%08lx)\n", v, v);
-                                       } else if (mode_is_reference(get_irn_mode(n))) {
-                                               fprintf(F, "pointer\n");
-                                       } else {
-                                               assert(0 && "unbehandelter Typ im const-Knoten");
-                                       }
-                               }
+                       if (attr->ins_permuted) {
+                               fprintf(F, " inputs swapped");
                        }
-                       if (is_arm_CmpBra(n) && get_arm_CondJmp_proj_num(n) >= 0) {
-                               fprintf(F, "proj_num = (%d)\n", get_arm_CondJmp_proj_num(n));
+                       fputc('\n', F);
+               }
+               if (arm_has_symconst_attr(n)) {
+                       const arm_SymConst_attr_t *attr = get_arm_SymConst_attr_const(n);
+
+                       fprintf(F, "entity = ");
+                       if (attr->entity != NULL) {
+                               fprintf(F, "'%s'", get_entity_name(attr->entity));
+                       } else {
+                               fputs("NULL", F);
                        }
-                       /* TODO: dump all additional attributes */
-
-                       fprintf(F, "=== arm attr end ===\n");
-                       /* end of: case dump_node_info_txt */
-                       break;
+                       fputc('\n', F);
+                       fprintf(F, "frame offset = %d\n", attr->fp_offset);
+               }
+               if (has_farith_attr(n)) {
+                       const arm_farith_attr_t *attr = get_arm_farith_attr_const(n);
+                       ir_fprintf(F, "arithmetic mode = %+F\n", attr->mode);
+               }
+               break;
        }
-       return bad;
 }
 
+arm_attr_t *get_arm_attr(ir_node *node)
+{
+       assert(is_arm_irn(node) && "need arm node to get attributes");
+       return (arm_attr_t*)get_irn_generic_attr(node);
+}
 
+const arm_attr_t *get_arm_attr_const(const ir_node *node)
+{
+       assert(is_arm_irn(node) && "need arm node to get attributes");
+       return (const arm_attr_t*)get_irn_generic_attr_const(node);
+}
 
-/***************************************************************************************************
- *        _   _                   _       __        _                    _   _               _
- *       | | | |                 | |     / /       | |                  | | | |             | |
- *   __ _| |_| |_ _ __   ___  ___| |_   / /_ _  ___| |_   _ __ ___   ___| |_| |__   ___   __| |___
- *  / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
- * | (_| | |_| |_| |    \__ \  __/ |_ / / (_| |  __/ |_  | | | | | |  __/ |_| | | | (_) | (_| \__ \
- *  \__,_|\__|\__|_|    |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
- *                                        __/ |
- *                                       |___/
- ***************************************************************************************************/
+static bool has_symconst_attr(const ir_node *node)
+{
+       return is_arm_SymConst(node) || is_arm_FrameAddr(node) || is_arm_Bl(node);
+}
 
-/* Returns the attributes of a generic Arm node. */
-arm_attr_t *get_arm_attr(ir_node *node) {
-       assert(is_arm_irn(node) && "need arm node to get attributes");
-       return get_irn_generic_attr(node);
+arm_SymConst_attr_t *get_arm_SymConst_attr(ir_node *node)
+{
+       assert(has_symconst_attr(node));
+       return (arm_SymConst_attr_t*)get_irn_generic_attr(node);
 }
 
-const arm_attr_t *get_arm_attr_const(const ir_node *node) {
-       assert(is_arm_irn(node) && "need arm node to get attributes");
-       return get_irn_generic_attr_const(node);
+const arm_SymConst_attr_t *get_arm_SymConst_attr_const(const ir_node *node)
+{
+       assert(has_symconst_attr(node));
+       return (const arm_SymConst_attr_t*)get_irn_generic_attr_const(node);
 }
 
-/**
- * Returns the attributes of an ARM SymConst node.
- */
-arm_SymConst_attr_t *get_arm_SymConst_attr(ir_node *node) {
-       assert(is_arm_SymConst(node));
-       return get_irn_generic_attr(node);
+static const arm_fConst_attr_t *get_arm_fConst_attr_const(const ir_node *node)
+{
+       assert(is_arm_fConst(node));
+       return (const arm_fConst_attr_t*)get_irn_generic_attr_const(node);
 }
 
-const arm_SymConst_attr_t *get_arm_SymConst_attr_const(const ir_node *node) {
-       assert(is_arm_SymConst(node));
-       return get_irn_generic_attr_const(node);
+static arm_fConst_attr_t *get_arm_fConst_attr(ir_node *node)
+{
+       assert(is_arm_fConst(node));
+       return (arm_fConst_attr_t*)get_irn_generic_attr(node);
 }
 
-static int is_arm_CondJmp(const ir_node *node) {
-       int code = get_arm_irn_opcode(node);
+arm_farith_attr_t *get_arm_farith_attr(ir_node *node)
+{
+       assert(has_farith_attr(node));
+       return (arm_farith_attr_t*)get_irn_generic_attr(node);
+}
 
-       return (code == iro_arm_CmpBra || code == iro_arm_fpaCmfBra ||
-               code == iro_arm_fpaCnfBra || iro_arm_fpaCmfeBra ||
-               code == iro_arm_fpaCnfeBra);
+const arm_farith_attr_t *get_arm_farith_attr_const(const ir_node *node)
+{
+       assert(has_farith_attr(node));
+       return (const arm_farith_attr_t*)get_irn_generic_attr_const(node);
 }
 
-/* Returns the attributes of a CondJmp node. */
-arm_CondJmp_attr_t *get_arm_CondJmp_attr(ir_node *node) {
-       assert(is_arm_CondJmp(node));
-       return get_irn_generic_attr(node);
+arm_CondJmp_attr_t *get_arm_CondJmp_attr(ir_node *node)
+{
+       assert(is_arm_B(node));
+       return (arm_CondJmp_attr_t*)get_irn_generic_attr(node);
 }
 
-const arm_CondJmp_attr_t *get_arm_CondJmp_attr_const(const ir_node *node) {
-       assert(is_arm_CondJmp(node));
-       return get_irn_generic_attr_const(node);
+const arm_CondJmp_attr_t *get_arm_CondJmp_attr_const(const ir_node *node)
+{
+       assert(is_arm_B(node));
+       return (const arm_CondJmp_attr_t*)get_irn_generic_attr_const(node);
 }
 
-/* Returns the attributes of a SwitchJmp node. */
-arm_SwitchJmp_attr_t *get_arm_SwitchJmp_attr(ir_node *node) {
+arm_SwitchJmp_attr_t *get_arm_SwitchJmp_attr(ir_node *node)
+{
        assert(is_arm_SwitchJmp(node));
-       return get_irn_generic_attr(node);
+       return (arm_SwitchJmp_attr_t*)get_irn_generic_attr(node);
 }
 
-const arm_SwitchJmp_attr_t *get_arm_SwitchJmp_attr_const(const ir_node *node) {
+const arm_SwitchJmp_attr_t *get_arm_SwitchJmp_attr_const(const ir_node *node)
+{
        assert(is_arm_SwitchJmp(node));
-       return get_irn_generic_attr_const(node);
+       return (const arm_SwitchJmp_attr_t*)get_irn_generic_attr_const(node);
 }
 
-/**
- * Returns the argument register requirements of a arm node.
- */
-const arch_register_req_t **get_arm_in_req_all(const ir_node *node) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
-       return attr->in_req;
+arm_CopyB_attr_t *get_arm_CopyB_attr(ir_node *node)
+{
+       assert(is_arm_CopyB(node));
+       return (arm_CopyB_attr_t*)get_irn_generic_attr(node);
 }
 
-/**
- * Returns the result register requirements of an arm node.
- */
-const arch_register_req_t **get_arm_out_req_all(const ir_node *node) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
-       return attr->out_req;
+const arm_CopyB_attr_t *get_arm_CopyB_attr_const(const ir_node *node)
+{
+       assert(is_arm_CopyB(node));
+       return (const arm_CopyB_attr_t*)get_irn_generic_attr_const(node);
 }
 
-/**
- * Returns the argument register requirement at position pos of an arm node.
- */
-const arch_register_req_t *get_arm_in_req(const ir_node *node, int pos) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
-       return attr->in_req[pos];
+ir_tarval *get_fConst_value(const ir_node *node)
+{
+       const arm_fConst_attr_t *attr = get_arm_fConst_attr_const(node);
+       return attr->tv;
 }
 
-/**
- * Returns the result register requirement at position pos of an arm node.
- */
-const arch_register_req_t *get_arm_out_req(const ir_node *node, int pos) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
-       return attr->out_req[pos];
+void set_fConst_value(ir_node *node, ir_tarval *tv)
+{
+       arm_fConst_attr_t *attr = get_arm_fConst_attr(node);
+       attr->tv = tv;
 }
 
-/**
- * Sets the OUT register requirements at position pos.
- */
-void set_arm_req_out(ir_node *node, const arch_register_req_t *req, int pos) {
-       arm_attr_t *attr   = get_arm_attr(node);
-       attr->out_req[pos] = req;
+ir_relation get_arm_CondJmp_relation(const ir_node *node)
+{
+       const arm_CondJmp_attr_t *attr = get_arm_CondJmp_attr_const(node);
+       return attr->relation;
 }
 
-/**
- * Sets the complete OUT requirements of node.
- */
-void set_arm_req_out_all(ir_node *node, const arch_register_req_t **reqs) {
-       arm_attr_t *attr = get_arm_attr(node);
-       attr->out_req    = reqs;
+void set_arm_CondJmp_relation(ir_node *node, ir_relation relation)
+{
+       arm_CondJmp_attr_t *attr = get_arm_CondJmp_attr(node);
+       attr->relation = relation;
 }
 
-/**
- * Sets the IN register requirements at position pos.
- */
-void set_arm_req_in(ir_node *node, const arch_register_req_t *req, int pos) {
-       arm_attr_t *attr  = get_arm_attr(node);
-       attr->in_req[pos] = req;
+int get_arm_SwitchJmp_n_projs(const ir_node *node)
+{
+       const arm_SwitchJmp_attr_t *attr = get_arm_SwitchJmp_attr_const(node);
+       return attr->n_projs;
 }
 
-/**
- * Returns the register flag of an arm node.
- */
-arch_irn_flags_t get_arm_flags(const ir_node *node) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
-       return attr->flags;
+void set_arm_SwitchJmp_n_projs(ir_node *node, int n_projs)
+{
+       arm_SwitchJmp_attr_t *attr = get_arm_SwitchJmp_attr(node);
+       attr->n_projs = n_projs;
 }
 
-/**
- * Sets the register flag of an arm node.
- */
-void set_arm_flags(ir_node *node, arch_irn_flags_t flags) {
-       arm_attr_t *attr = get_arm_attr(node);
-       attr->flags      = flags;
+long get_arm_SwitchJmp_default_proj_num(const ir_node *node)
+{
+       const arm_SwitchJmp_attr_t *attr = get_arm_SwitchJmp_attr_const(node);
+       return attr->default_proj_num;
 }
 
-/**
- * Returns the result register slots of an arm node.
- */
-const arch_register_t **get_arm_slots(const ir_node *node) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
-       return attr->slots;
+void set_arm_SwitchJmp_default_proj_num(ir_node *node, long default_proj_num)
+{
+       arm_SwitchJmp_attr_t *attr = get_arm_SwitchJmp_attr(node);
+       attr->default_proj_num = default_proj_num;
 }
 
-/**
- * Returns the name of the OUT register at position pos.
- */
-const char *get_arm_out_reg_name(const ir_node *node, int pos) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
+/* Set the ARM machine node attributes to default values. */
+static void init_arm_attributes(ir_node *node, arch_irn_flags_t flags,
+                         const arch_register_req_t ** in_reqs,
+                         const be_execution_unit_t ***execution_units,
+                                                int n_res)
+{
+       ir_graph       *irg  = get_irn_irg(node);
+       struct obstack *obst = get_irg_obstack(irg);
+       arm_attr_t     *attr = get_arm_attr(node);
+       backend_info_t *info;
+       (void) execution_units;
 
-       assert(is_arm_irn(node) && "Not an arm node.");
-       assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
-       assert(attr->slots[pos]  && "No register assigned");
+       arch_irn_set_flags(node, flags);
+       arch_set_in_register_reqs(node, in_reqs);
+       attr->is_load_store    = false;
 
-       return arch_register_get_name(attr->slots[pos]);
+       info            = be_get_info(node);
+       info->out_infos = NEW_ARR_D(reg_out_info_t, obst, n_res);
+       memset(info->out_infos, 0, n_res * sizeof(info->out_infos[0]));
 }
 
-/**
- * Returns the index of the OUT register at position pos within its register class.
- */
-int get_arm_out_regnr(const ir_node *node, int pos) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
+static void init_arm_load_store_attributes(ir_node *res, ir_mode *ls_mode,
+                                           ir_entity *entity,
+                                           int entity_sign, long offset,
+                                           bool is_frame_entity)
+{
+       arm_load_store_attr_t *attr = get_arm_load_store_attr(res);
+       attr->load_store_mode    = ls_mode;
+       attr->entity             = entity;
+       attr->entity_sign        = entity_sign;
+       attr->is_frame_entity    = is_frame_entity;
+       attr->offset             = offset;
+       attr->base.is_load_store = true;
+}
 
-       assert(is_arm_irn(node) && "Not an arm node.");
-       assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
-       assert(attr->slots[pos]  && "No register assigned");
+static void init_arm_shifter_operand(ir_node *res, unsigned immediate_value,
+                                     arm_shift_modifier_t shift_modifier,
+                                     unsigned shift_immediate)
+{
+       arm_shifter_operand_t *attr = get_arm_shifter_operand_attr(res);
+       attr->immediate_value = immediate_value;
+       attr->shift_modifier  = shift_modifier;
+       attr->shift_immediate = shift_immediate;
+}
 
-       return arch_register_get_index(attr->slots[pos]);
+static void init_arm_cmp_attr(ir_node *res, bool ins_permuted, bool is_unsigned)
+{
+       arm_cmp_attr_t *attr = get_arm_cmp_attr(res);
+       attr->ins_permuted = ins_permuted;
+       attr->is_unsigned  = is_unsigned;
 }
 
-/**
- * Returns the OUT register at position pos.
- */
-const arch_register_t *get_arm_out_reg(const ir_node *node, int pos) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
+static void init_arm_SymConst_attributes(ir_node *res, ir_entity *entity,
+                                         int symconst_offset)
+{
+       arm_SymConst_attr_t *attr = get_arm_SymConst_attr(res);
+       attr->entity    = entity;
+       attr->fp_offset = symconst_offset;
+}
 
-       assert(is_arm_irn(node) && "Not an arm node.");
-       assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
-       assert(attr->slots[pos]  && "No register assigned");
+static void init_arm_farith_attributes(ir_node *res, ir_mode *mode)
+{
+       arm_farith_attr_t *attr = get_arm_farith_attr(res);
+       attr->mode = mode;
+}
 
-       return attr->slots[pos];
+static void init_arm_CopyB_attributes(ir_node *res, unsigned size)
+{
+       arm_CopyB_attr_t *attr = get_arm_CopyB_attr(res);
+       attr->size = size;
 }
 
-/**
- * Sets the flags for the n'th out.
- */
-void set_arm_out_flags(ir_node *node, arch_irn_flags_t flags, int pos) {
-       arm_attr_t *attr = get_arm_attr(node);
-       assert(pos < ARR_LEN(attr->out_flags) && "Invalid OUT position.");
-       attr->out_flags[pos] = flags;
+static int cmp_attr_arm(const ir_node *a, const ir_node *b)
+{
+       (void) a;
+       (void) b;
+       return 0;
 }
 
-/**
- * Gets the flags for the n'th out.
- */
-arch_irn_flags_t get_arm_out_flags(const ir_node *node, int pos) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
-       assert(pos < ARR_LEN(attr->out_flags) && "Invalid OUT position.");
-       return attr->out_flags[pos];
+static int cmp_attr_arm_SymConst(const ir_node *a, const ir_node *b)
+{
+       const arm_SymConst_attr_t *attr_a;
+       const arm_SymConst_attr_t *attr_b;
+
+       if (cmp_attr_arm(a, b))
+               return 1;
+
+       attr_a = get_arm_SymConst_attr_const(a);
+       attr_b = get_arm_SymConst_attr_const(b);
+       return attr_a->entity != attr_b->entity
+               || attr_a->fp_offset != attr_b->fp_offset;
 }
 
-/**
- * Returns the number of results.
- */
-int get_arm_n_res(const ir_node *node) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
-       return ARR_LEN(attr->slots);
+static int cmp_attr_arm_CopyB(const ir_node *a, const ir_node *b)
+{
+       const arm_CopyB_attr_t *attr_a;
+       const arm_CopyB_attr_t *attr_b;
+
+       if (cmp_attr_arm(a, b))
+               return 1;
+
+       attr_a = get_arm_CopyB_attr_const(a);
+       attr_b = get_arm_CopyB_attr_const(b);
+       return attr_a->size != attr_b->size;
 }
-/**
- * Returns the tarvalue
- */
-tarval *get_arm_value(const ir_node *node) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
-       return attr->value;
+
+static int cmp_attr_arm_CondJmp(const ir_node *a, const ir_node *b)
+{
+       (void) a;
+       (void) b;
+       /* never identical */
+       return 1;
 }
 
-/**
- * Sets the tarvalue
- */
-void set_arm_value(ir_node *node, tarval *tv) {
-       arm_attr_t *attr = get_arm_attr(node);
-       attr->value = tv;
+static int cmp_attr_arm_SwitchJmp(const ir_node *a, const ir_node *b)
+{
+       (void) a;
+       (void) b;
+       /* never identical */
+       return 1;
 }
 
-/**
- * Returns the proj num
- */
-int get_arm_CondJmp_proj_num(const ir_node *node) {
-       const arm_CondJmp_attr_t *attr = get_arm_CondJmp_attr_const(node);
-       return attr->proj_num;
+static int cmp_attr_arm_fConst(const ir_node *a, const ir_node *b)
+{
+       const arm_fConst_attr_t *attr_a;
+       const arm_fConst_attr_t *attr_b;
+
+       if (cmp_attr_arm(a, b))
+               return 1;
+
+       attr_a = get_arm_fConst_attr_const(a);
+       attr_b = get_arm_fConst_attr_const(b);
+
+       return attr_a->tv != attr_b->tv;
 }
 
-/**
- * Sets the proj num
- */
-void set_arm_CondJmp_proj_num(ir_node *node, int proj_num) {
-       arm_CondJmp_attr_t *attr = get_arm_CondJmp_attr(node);
-       attr->proj_num   = proj_num;
+
+arm_load_store_attr_t *get_arm_load_store_attr(ir_node *node)
+{
+       return (arm_load_store_attr_t*) get_irn_generic_attr(node);
 }
 
-/**
- * Returns the SymConst label
- */
-ident *get_arm_symconst_id(const ir_node *node) {
-       const arm_SymConst_attr_t *attr = get_arm_SymConst_attr_const(node);
-       return attr->symconst_id;
+const arm_load_store_attr_t *get_arm_load_store_attr_const(const ir_node *node)
+{
+       return (const arm_load_store_attr_t*) get_irn_generic_attr_const(node);
 }
 
-/**
- * Sets the SymConst label
- */
-void set_arm_symconst_id(ir_node *node, ident *symconst_id) {
-       arm_SymConst_attr_t *attr = get_arm_SymConst_attr(node);
-       attr->symconst_id = symconst_id;
+arm_shifter_operand_t *get_arm_shifter_operand_attr(ir_node *node)
+{
+       return (arm_shifter_operand_t*) get_irn_generic_attr(node);
 }
 
-/**
- * Returns the number of projs of a SwitchJmp.
- */
-int get_arm_SwitchJmp_n_projs(const ir_node *node) {
-       const arm_SwitchJmp_attr_t *attr = get_arm_SwitchJmp_attr_const(node);
-       return attr->n_projs;
+const arm_shifter_operand_t *get_arm_shifter_operand_attr_const(
+               const ir_node *node)
+{
+       return (const arm_shifter_operand_t*) get_irn_generic_attr_const(node);
 }
 
-/**
- * Sets the number of projs.
- */
-void set_arm_SwitchJmp_n_projs(ir_node *node, int n_projs) {
-       arm_SwitchJmp_attr_t *attr = get_arm_SwitchJmp_attr(node);
-       attr->n_projs = n_projs;
+arm_cmp_attr_t *get_arm_cmp_attr(ir_node *node)
+{
+       return (arm_cmp_attr_t*) get_irn_generic_attr(node);
 }
 
-/**
- * Returns the default_proj_num.
- */
-long get_arm_SwitchJmp_default_proj_num(const ir_node *node) {
-       const arm_SwitchJmp_attr_t *attr = get_arm_SwitchJmp_attr_const(node);
-       return attr->default_proj_num;
+const arm_cmp_attr_t *get_arm_cmp_attr_const(const ir_node *node)
+{
+       return (const arm_cmp_attr_t*) get_irn_generic_attr_const(node);
 }
 
-/**
- * Sets the default_proj_num.
- */
-void set_arm_SwitchJmp_default_proj_num(ir_node *node, long default_proj_num) {
-       arm_SwitchJmp_attr_t *attr = get_arm_SwitchJmp_attr(node);
-       attr->default_proj_num = default_proj_num;
+static int cmp_attr_arm_load_store(const ir_node *a, const ir_node *b)
+{
+       const arm_load_store_attr_t *attr_a;
+       const arm_load_store_attr_t *attr_b;
+
+       if (cmp_attr_arm(a, b))
+               return 1;
+
+       attr_a = get_arm_load_store_attr_const(a);
+       attr_b = get_arm_load_store_attr_const(b);
+       if (attr_a->entity != attr_b->entity
+                       || attr_a->entity_sign != attr_b->entity_sign
+                       || attr_a->offset != attr_b->offset)
+               return 1;
+
+       return 0;
 }
 
-/**
- * Gets the shift modifier attribute.
- */
-arm_shift_modifier get_arm_shift_modifier(const ir_node *node) {
-       const arm_attr_t *attr = get_arm_attr_const(node);
-       return ARM_GET_SHF_MOD(attr);
+static int cmp_attr_arm_shifter_operand(const ir_node *a, const ir_node *b)
+{
+       const arm_shifter_operand_t *attr_a;
+       const arm_shifter_operand_t *attr_b;
+
+       if (cmp_attr_arm(a, b))
+               return 1;
+
+       attr_a = get_arm_shifter_operand_attr_const(a);
+       attr_b = get_arm_shifter_operand_attr_const(b);
+       if (attr_a->shift_modifier != attr_b->shift_modifier
+                       || attr_a->immediate_value != attr_b->immediate_value
+                       || attr_a->shift_immediate != attr_b->shift_immediate)
+               return 1;
+
+       return 0;
 }
 
-/* Set the ARM machine node attributes to default values. */
-static void init_arm_attributes(ir_node *node, int flags,
-                         const arch_register_req_t ** in_reqs,
-                                                const arch_register_req_t ** out_reqs,
-                         const be_execution_unit_t ***execution_units,
-                                                int n_res) {
-       ir_graph       *irg  = get_irn_irg(node);
-       struct obstack *obst = get_irg_obstack(irg);
-       arm_attr_t     *attr = get_arm_attr(node);
-       (void) execution_units;
+static int cmp_attr_arm_cmp(const ir_node *a, const ir_node *b)
+{
+       const arm_cmp_attr_t *attr_a;
+       const arm_cmp_attr_t *attr_b;
 
-       attr->in_req           = in_reqs;
-       attr->out_req          = out_reqs;
-       attr->flags            = flags;
-       attr->instr_fl         = (ARM_COND_AL << 3) | ARM_SHF_NONE;
-       attr->value            = NULL;
-
-       attr->out_flags = NEW_ARR_D(int, obst, n_res);
-       memset(attr->out_flags, 0, n_res * sizeof(attr->out_flags[0]));
-
-       attr->slots = NEW_ARR_D(const arch_register_t*, obst, n_res);
-       memset(attr->slots, 0, n_res * sizeof(attr->slots[0]));
-}
-
-/************************************************
- *   ___        _   _           _               *
- *  / _ \ _ __ | |_(_)_ __ ___ (_)_______ _ __  *
- * | | | | '_ \| __| | '_ ` _ \| |_  / _ \ '__| *
- * | |_| | |_) | |_| | | | | | | |/ /  __/ |    *
- *  \___/| .__/ \__|_|_| |_| |_|_/___\___|_|    *
- *       |_|                                    *
- ************************************************/
-
-typedef struct _opt_tuple {
-       ir_op *op_imm_left;             /**< immediate is left */
-       ir_op *op_imm_right;    /**< immediate is right */
-       ir_op *op_shf_left;             /**< shift operand on left */
-       ir_op *op_shf_right;    /**< shift operand on right */
-} opt_tuple;
-
-//static const opt_tuple *opt_ops[iro_arm_last];
-
-void arm_set_optimizers(void) {
-       /*
-#define STD(op)                p_##op = { op_arm_##op##_i, op_arm_##op##_i, op_arm_##op, op_arm_##op }
-#define LEFT(op)       p_##op = { op_arm_##op##_i, NULL, op_arm_##op, NULL }
-#define SET(op)   opt_ops[iro_arm_##op] = &p_##op;
-
-       static const opt_tuple
-               STD(Add),
-               STD(And),
-               STD(Or),
-               STD(Eor),
-               LEFT(Bic),
-               LEFT(Shl),
-               LEFT(Shr),
-               LEFT(Shrs),
-               p_Sub = { op_arm_Sub_i, op_arm_Rsb_i, op_arm_Sub, op_arm_Rsb },
-
-       memset(opt_ops, 0, sizeof(opt_ops));
-       SET(Add);
-       SET(And);
-       SET(Or);
-       SET(Eor);
-       SET(Sub);
-       SET(Bic);
-       SET(Shl);
-       SET(Shr);
-       SET(Shrs);
-       */
-}
-
-static int cmp_attr_arm_SymConst(ir_node *a, ir_node *b) {
-       const arm_SymConst_attr_t *attr_a = get_irn_generic_attr_const(a);
-       const arm_SymConst_attr_t *attr_b = get_irn_generic_attr_const(b);
-       return attr_a->symconst_id != attr_b->symconst_id;
-}
-
-static int cmp_attr_arm(ir_node *a, ir_node *b) {
-       arm_attr_t *attr_a = get_irn_generic_attr(a);
-       arm_attr_t *attr_b = get_irn_generic_attr(b);
-       return (attr_a->instr_fl != attr_b->instr_fl) || (attr_a->value != attr_b->value);
-}
-
-static int cmp_attr_arm_CondJmp(ir_node *a, ir_node *b) {
-       (void) a;
-       (void) b;
-       /* never identical */
-       return 1;
+       if (cmp_attr_arm(a, b))
+               return 1;
+
+       attr_a = get_arm_cmp_attr_const(a);
+       attr_b = get_arm_cmp_attr_const(b);
+       if (attr_a->ins_permuted != attr_b->ins_permuted
+                       || attr_a->is_unsigned != attr_b->is_unsigned)
+               return 1;
+       return 0;
 }
 
-static int cmp_attr_arm_SwitchJmp(ir_node *a, ir_node *b) {
-       (void) a;
-       (void) b;
-       /* never identical */
-       return 1;
+static int cmp_attr_arm_farith(const ir_node *a, const ir_node *b)
+{
+       const arm_farith_attr_t *attr_a;
+       const arm_farith_attr_t *attr_b;
+
+       if (cmp_attr_arm(a, b))
+               return 1;
+
+       attr_a = get_arm_farith_attr_const(a);
+       attr_b = get_arm_farith_attr_const(b);
+       return attr_a->mode != attr_b->mode;
 }
 
 /** copies the ARM attributes of a node. */
-static void arm_copy_attr(const ir_node *old_node, ir_node *new_node) {
-       ir_graph          *irg     = get_irn_irg(new_node);
-       struct obstack    *obst    = get_irg_obstack(irg);
+static void arm_copy_attr(ir_graph *irg, const ir_node *old_node,
+                          ir_node *new_node)
+{
+       struct obstack   *obst    = get_irg_obstack(irg);
        const arm_attr_t *attr_old = get_arm_attr_const(old_node);
        arm_attr_t       *attr_new = get_arm_attr(new_node);
+       backend_info_t   *old_info = be_get_info(old_node);
+       backend_info_t   *new_info = be_get_info(new_node);
 
        /* copy the attributes */
        memcpy(attr_new, attr_old, get_op_attr_size(get_irn_op(old_node)));
 
        /* copy out flags */
-       attr_new->out_flags =
-               DUP_ARR_D(int, obst, attr_old->out_flags);
-       /* copy register assignments */
-       attr_new->slots =
-               DUP_ARR_D(arch_register_t*, obst, attr_old->slots);
+       new_info->out_infos =
+               DUP_ARR_D(reg_out_info_t, obst, old_info->out_infos);
+       new_info->in_reqs = old_info->in_reqs;
 }
 
 
-
 /* Include the generated constructor functions */
 #include "gen_arm_new_nodes.c.inl"