nsz Git - libfirm/blob - ir/be/scripts/generate_new_opcodes.pl

   1 #!/usr/bin/perl -w
   2
   3 #
   4 # Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
   5 #
   6 # This file is part of libFirm.
   7 #
   8 # This file may be distributed and/or modified under the terms of the
   9 # GNU General Public License version 2 as published by the Free Software
  10 # Foundation and appearing in the file LICENSE.GPL included in the
  11 # packaging of this file.
  12 #
  13 # Licensees holding valid libFirm Professional Edition licenses may use
  14 # this file in accordance with the libFirm Commercial License.
  15 # Agreement provided with the Software.
  16 #
  17 # This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  18 # WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19 # PURPOSE.
  20 #
  21
  22 # This script generates the C code which creates the irop's and
  23 # their coresponding node constructors for all operations in a given spec
  24 # so they can be used as normal firm nodes.
  25 # Creation: 2005/10/19
  26 # $Id$
  27
  28 use strict;
  29 use Data::Dumper;
  30
  31 my $specfile   = $ARGV[0];
  32 my $target_dir = $ARGV[1];
  33 my $state      = 1;
  34 my $cur_op     = "";
  35 my $line_nr    = 0;
  36
  37 our $arch;
  38 our $additional_opcodes;
  39 our %nodes;
  40 our %operands;
  41 our %cpu;
  42 our $default_attr_type;
  43 our $default_cmp_attr;
  44 our %init_attr;
  45 our %compare_attr;
  46
  47 # include spec file
  48
  49 my $return;
  50
  51 no strict "subs";
  52 unless ($return = do $specfile) {
  53         die "Fatal error: couldn't parse $specfile: $@" if $@;
  54         die "Fatal error: couldn't do $specfile: $!"    unless defined $return;
  55         die "Fatal error: couldn't run $specfile"       unless $return;
  56 }
  57 use strict "subs";
  58
  59 my $target_c = $target_dir."/gen_".$arch."_new_nodes.c.inl";
  60 my $target_h = $target_dir."/gen_".$arch."_new_nodes.h";
  61
  62 if(!defined($default_attr_type)) {
  63         $default_attr_type = "${arch}_attr_t";
  64 }
  65 if(!defined(%init_attr)) {
  66         %init_attr = (
  67                 "$default_attr_type" => "\tinit_${arch}_attributes(res, flags, in_reqs, out_reqs, exec_units, n_res, latency);",
  68         );
  69 }
  70 if(!defined($default_cmp_attr)) {
  71         $default_cmp_attr = "${arch}_compare_attr";
  72 }
  73 if(!defined(%compare_attr)) {
  74         %compare_attr = (
  75                 "${default_attr_type}" => "${default_cmp_attr}",
  76         );
  77 }
  78
  79 foreach my $op (keys(%operands)) {
  80         my %operand = %{ $operands{"$op"} };
  81         my %op_node;
  82
  83         # constraints
  84         if(defined($operand{op_flags})) { die "Fatal error: operands can't have op_flags ($op)"; }
  85         if(defined($operand{cmp_attr})) { die "Fatal error: cmp_attr not allowed for operands ($op)"; }
  86         if(defined($operand{mode})) { die "Operand must not have a mode defined ($op)"; }
  87         if(defined($operand{out_arity})) { die "operand must not have out_arity defined ($op)"; }
  88         if(defined($nodes{$op})) { die "$op defined as operand and as node"; };
  89
  90
  91         foreach my $flag (keys(%operand)) {
  92                 $op_node{$flag} = $operand{$flag};
  93         }
  94         $op_node{op_flags} = "O";
  95         $op_node{cmp_attr} = 'return 1;';
  96         $op_node{mode}     = 'mode_any';
  97
  98         $nodes{$op} = \%op_node;
  99
 100         print Dumper(%op_node);
 101 }
 102
 103 #print Dumper(%nodes);
 104 #print Dumper(%operands);
 105
 106 # create c code file from specs
 107
 108 my @obst_opvar;       # stack for the "ir_op *op_<arch>_<op-name> = NULL;" statements
 109 my @obst_get_opvar;   # stack for the get_op_<arch>_<op-name>() functions
 110 my @obst_constructor; # stack for node constructor functions
 111 my @obst_new_irop;    # stack for the new_ir_op calls
 112 my @obst_enum_op;     # stack for creating the <arch>_opcode enum
 113 my @obst_header;      # stack for function prototypes
 114 my @obst_is_archirn;  # stack for the is_$arch_irn() function
 115 my @obst_cmp_attr;    # stack for the compare attribute functions
 116 my @obst_proj;        # stack for the pn_ numbers
 117 my $orig_op;
 118 my $arity;
 119 my $cmp_attr_func;
 120 my $temp;
 121 my $n_opcodes = 0;    # number of opcodes
 122 my $ARITY_VARIABLE = -1;
 123 my $ARITY_DYNAMIC  = -2;
 124
 125 # for registering additional opcodes
 126 $n_opcodes += $additional_opcodes if (defined($additional_opcodes));
 127
 128 push(@obst_header, "void ".$arch."_create_opcodes(void);\n");
 129
 130 push(@obst_enum_op, "typedef enum _$arch\_opcodes {\n");
 131 foreach my $op (keys(%nodes)) {
 132         my %n        = %{ $nodes{"$op"} };
 133         my $known_mode;
 134         my $num_outs = 0;
 135         my $out_arity;
 136         my @out_flags;
 137
 138         # determine arity
 139         $arity = 0;
 140         if(exists($n{"arity"})) {
 141                 $arity = $n{"arity"};
 142         } elsif (exists($n{"reg_req"}) && exists($n{"reg_req"}{"in"})) {
 143                 $arity = scalar(@{ $n{"reg_req"}{"in"} });
 144         } elsif (exists($n{"ins"})) {
 145                 $arity = scalar(@{ $n{"ins"} });
 146         }
 147         if($arity eq "variable") {
 148                 $arity = $ARITY_VARIABLE;
 149         } elsif($arity eq "dynamic") {
 150                 $arity = $ARITY_DYNAMIC;
 151         }
 152
 153         # determine out arity
 154         $out_arity = 0;
 155         if(exists($n{"out_arity"})) {
 156                 $out_arity = $n{"out_arity"};
 157         } elsif (exists($n{"reg_req"}) && exists($n{"reg_req"}{"out"})) {
 158                 $out_arity = scalar(@{ $n{"reg_req"}{"out"} });
 159         } elsif (exists($n{"outs"})) {
 160                 $out_arity = scalar(@{ $n{"outs"} });
 161         }
 162         if($out_arity eq "variable") {
 163                 $out_arity = $ARITY_VARIABLE;
 164         } elsif($out_arity eq "dynamic") {
 165                 $out_arity = $ARITY_DYNAMIC;
 166         }
 167
 168         $orig_op = $op;
 169         $op      = $arch."_".$op;
 170         $temp    = "";
 171
 172         # define proj numbers and in numbers
 173         if (exists($n{"outs"})) {
 174                 undef my @outs;
 175
 176                 @outs     = @{ $n{"outs"} };
 177                 if($out_arity >= 0 && scalar(@outs) != $out_arity) {
 178                         die "Fatal error: Op ${op} has different number of outs and out_arity\n";
 179                 }
 180
 181                 $num_outs = $#outs + 1;
 182
 183                 push(@obst_proj, "\nenum pn_$op {\n");
 184
 185                 for (my $idx = 0; $idx <= $#outs; $idx++) {
 186                         # check, if we have additional flags annotated to out
 187                         if ($outs[$idx] =~ /:((S|I)(\|(S|I))*)/) {
 188                                 push(@out_flags, $1);
 189                                 $outs[$idx] =~ s/:((S|I)(\|(S|I))*)//;
 190                         }
 191                         push(@obst_proj, "\tpn_$op\_".$outs[$idx]." = $idx,\n");
 192                 }
 193
 194                 push(@obst_proj, "};\n");
 195                 # outs have names, it must be a mode_T node
 196                 $known_mode = "mode_T";
 197         }
 198         if (exists($n{"ins"})) {
 199                 undef my @ins;
 200
 201                 @ins = @{ $n{"ins"} };
 202                 if($arity >= 0 && scalar(@ins) != $arity) {
 203                         die "Fatal error: Op ${op} has different number of ins and arity\n";
 204                 }
 205
 206                 push(@obst_proj, "\nenum n_$op {\n");
 207
 208                 for (my $idx = 0; $idx <= $#ins; $idx++) {
 209                         push(@obst_proj, "\tn_${op}_".$ins[$idx]." = $idx,\n");
 210                 }
 211
 212                 push(@obst_proj, "};\n");
 213         }
 214
 215         # determine mode
 216         if (exists($n{"mode"})) {
 217                 $known_mode = $n{"mode"};
 218         }
 219
 220         push(@obst_opvar, "ir_op *op_$op = NULL;\n");
 221         push(@obst_get_opvar, "ir_op *get_op_$op(void)         { return op_$op; }\n");
 222         push(@obst_get_opvar, "int    is_$op(const ir_node *n) { return get_$arch\_irn_opcode(n) == iro_$op; }\n\n");
 223
 224         push(@obst_is_archirn, "is_$op(node)");
 225
 226         push(@obst_header, "extern ir_op *op_$op;\n");
 227         push(@obst_header, "ir_op *get_op_$op(void);\n");
 228         push(@obst_header, "int is_$op(const ir_node *n);\n");
 229
 230         my $attr_type= $n{"attr_type"};
 231         if(!defined($attr_type)) {
 232                 $attr_type = $default_attr_type;
 233         }
 234
 235         # determine compare function
 236         my $cmp_attr_func;
 237         if (exists($n{"cmp_attr"})) {
 238                 my $cmpcode = $n{"cmp_attr"};
 239
 240                 push(@obst_cmp_attr, "static int cmp_attr_$op(ir_node *a, ir_node *b) {\n");
 241                 if($cmpcode =~ m/attr_a/) {
 242                         push(@obst_cmp_attr, "\t${attr_type} *attr_a = get_irn_generic_attr(a);\n");
 243                 } else {
 244                         push(@obst_cmp_attr, "\t(void) a;\n");
 245                 }
 246                 if($cmpcode =~ m/attr_b/) {
 247                         push(@obst_cmp_attr, "\t${attr_type} *attr_b = get_irn_generic_attr(b);\n");
 248                 } else {
 249                         push(@obst_cmp_attr, "\t(void) b;\n");
 250                 }
 251                 push(@obst_cmp_attr, "\t${cmpcode}\n");
 252                 push(@obst_cmp_attr, "}\n\n");
 253
 254                 $cmp_attr_func = "cmp_attr_${op}";
 255         } else {
 256                 if(defined($compare_attr{${attr_type}})) {
 257                         $cmp_attr_func = $compare_attr{${attr_type}};
 258                 } else {
 259                         die "Fatal error: No compare function defined for ${attr_type} attributes.";
 260                 }
 261         }
 262
 263         if (exists($n{"rd_constructor"}) && $n{"rd_constructor"} =~ /^NONE$/i) {
 264                 # we explicitly skip the constructor if the specification entry says NONE
 265         } else {
 266                 my $comment = $n{"comment"};
 267                 if(!exists($n{"comment"})) {
 268                         $comment = "construct ${orig_op} node";
 269                 }
 270                 $comment =
 271                         "/**\n".
 272                         " * ${comment}\n".
 273                         " */\n";
 274
 275                 push(@obst_constructor, $comment);
 276
 277                 # create constructor head
 278                 my $complete_args = "";
 279                 $temp             = "";
 280
 281                 $temp = "ir_node *new_rd_$op(dbg_info *db, ir_graph *irg, ir_node *block";
 282                 if (!exists($n{"args"})) { # default args
 283                         if ($arity == $ARITY_VARIABLE) {
 284                                 $complete_args = ", int arity, ir_node *in[]";
 285                         } elsif ($arity == $ARITY_DYNAMIC) {
 286                                 $complete_args = "";
 287                         } else {
 288                                 for (my $i = 0; $i < $arity; $i++) {
 289                                         my $opname = "op${i}";
 290                                         if (exists($n{"ins"})) {
 291                                                 my @ins = @{ $n{"ins"} };
 292                                                 $opname = $ins[$i];
 293                                         }
 294
 295                                         $complete_args .= ", ir_node *${opname}";
 296                                 }
 297                         }
 298                         if ($out_arity == $ARITY_VARIABLE) {
 299                                 $complete_args .= ", int n_res";
 300                         }
 301
 302                         if (!defined($known_mode)) {
 303                                 $complete_args .= ", ir_mode *mode";
 304                         }
 305                 } else { # user defined args
 306                         for my $href (@{ $n{"args"} }) {
 307                                 $href->{"type"} .= " " if ($href->{"type"} !~ / [*]?$/); # put a space between name and type if there is none at the end
 308                                 $complete_args  .= ", ".$href->{"type"}.$href->{"name"};
 309                         }
 310                 }
 311
 312                 # we have additional attribute arguements
 313                 if (exists($n{"attr"})) {
 314                         $complete_args .= ", ".$n{"attr"};
 315                 }
 316
 317                 $temp .= "$complete_args)";
 318                 push(@obst_constructor, $temp."\n{\n");
 319                 push(@obst_header, $comment);
 320                 push(@obst_header, $temp.";\n");
 321
 322                 # emit constructor code
 323                 if (!exists($n{"rd_constructor"})) { # default constructor
 324                         $temp  = "\tir_node  *res;\n";
 325                         $temp .= "\tir_op    *op      = op_${op};\n";
 326                         $temp .= "\tint       flags   = 0;\n";
 327
 328                         if($arity == $ARITY_DYNAMIC) {
 329                                 $temp .= "\tint        arity   = -1;\n";
 330                                 $temp .= "\tir_node  **in      = NULL;\n";
 331                         } elsif($arity == $ARITY_VARIABLE) {
 332                         } else {
 333                                 $temp .= "\tint       arity   = $arity;\n";
 334                                 if($arity > 0) {
 335                                         $temp .= "\tir_node  *in[$arity];\n";
 336                                 } else {
 337                                         $temp .= "\tir_node **in    = NULL;\n";
 338                                 }
 339                         }
 340                         if($out_arity == $ARITY_DYNAMIC) {
 341                                 $temp .= "\tint       n_res   = -1;\n";
 342                         } elsif($out_arity == $ARITY_VARIABLE) {
 343                         } else {
 344                                 $temp .= "\tint       n_res   = ${out_arity};\n";
 345                         }
 346
 347                         my $latency = $n{"latency"};
 348                         if (!defined($latency)) {
 349                                 $latency = 1;
 350                         }
 351                         $temp .= "\tunsigned  latency = ${latency};\n";
 352
 353                         if (defined($known_mode)) {
 354                                 $temp .= "\tir_mode  *mode    = ${known_mode};\n";
 355                         }
 356
 357                         # set up static variables for cpu execution unit assigments
 358                         if (exists($n{"units"})) {
 359                                 $temp .= gen_execunit_list_initializer($n{"units"});
 360                         } else {
 361                                 $temp .= "\tstatic const be_execution_unit_t ***exec_units = NULL;\n";
 362                         }
 363
 364                         undef my $in_req_var;
 365                         undef my $out_req_var;
 366
 367                         # set up static variables for requirements and registers
 368                         if (exists($n{"reg_req"})) {
 369                                 my %req = %{ $n{"reg_req"} };
 370                                 my $idx;
 371
 372                                 undef my @in;
 373                                 @in = @{ $req{"in"} } if (exists($req{"in"}));
 374                                 undef my @out;
 375                                 @out = @{ $req{"out"} } if exists(($req{"out"}));
 376
 377                                 if (@in) {
 378                                         if($arity >= 0 && scalar(@in) != $arity) {
 379                                                 die "Fatal error: Arity and number of in requirements don't match for ${op}\n";
 380                                         }
 381
 382                                         $temp .= "\tstatic const arch_register_req_t *in_reqs[] =\n";
 383                                         $temp .= "\t{\n";
 384                                         for ($idx = 0; $idx <= $#in; $idx++) {
 385                                                 $temp .= "\t\t&".$op."_reg_req_in_".$idx.",\n";
 386                                         }
 387                                         $temp .= "\t};\n";
 388                                 } else {
 389                                         if($arity > 0) {
 390                                                 die "Fatal error: need in requirements for ${op}\n";
 391                                         }
 392                                         $temp .= "\tstatic const arch_register_req_t **in_reqs = NULL;\n";
 393                                 }
 394
 395                                 if (@out) {
 396                                         if($out_arity >= 0 && scalar(@out) != $out_arity) {
 397                                                 die "Fatal error: Out-Arity and number of out requirements don't match for ${op}\n";
 398                                         }
 399
 400                                         $temp .= "\tstatic const arch_register_req_t *out_reqs[] =\n";
 401                                         $temp .= "\t{\n";
 402                                         for ($idx = 0; $idx <= $#out; $idx++) {
 403                                                 $temp .= "\t\t&".$op."_reg_req_out_".$idx.",\n";
 404                                         }
 405                                         $temp .= "\t};\n";
 406                                 } else {
 407                                         if($out_arity > 0) {
 408                                                 die "Fatal error: need out requirements for ${op}\n";
 409                                         }
 410                                         $temp .= "\tstatic const arch_register_req_t **out_reqs = NULL;\n";
 411                                 }
 412                         } else {
 413                                 $temp .= "\tstatic const arch_register_req_t **in_reqs = NULL;\n";
 414                                 $temp .= "\tstatic const arch_register_req_t **out_reqs = NULL;\n";
 415                         }
 416                         if(exists($n{"init_attr"})) {
 417                                 $temp .= "\t${attr_type} *attr;\n";
 418                         }
 419
 420                         $temp .= "\n";
 421
 422                         if($arity > 0) {
 423                                 $temp .= "\t/* construct in array */\n";
 424                                 for (my $i = 0; $i < $arity; $i++) {
 425                                         my $opname = "op${i}";
 426                                         if (exists($n{"ins"})) {
 427                                                 my @ins = @{ $n{"ins"} };
 428                                                 $opname = $ins[$i];
 429                                         }
 430
 431                                         $temp .= "\tin[${i}] = ${opname};\n";
 432                                 }
 433                                 $temp .= "\n";
 434                         }
 435
 436                         # set flags
 437                         if (exists($n{"irn_flags"})) {
 438                                 $temp .= "\t/* flags */\n";
 439                                 foreach my $flag (split(/\|/, $n{"irn_flags"})) {
 440                                         if ($flag eq "R") {
 441                                                 $temp .= "\tflags |= arch_irn_flags_rematerializable;\n";
 442                                         } elsif ($flag eq "N") {
 443                                                 $temp .= "\tflags |= arch_irn_flags_dont_spill;\n";
 444                                         } elsif ($flag eq "I") {
 445                                                 $temp .= "\tflags |= arch_irn_flags_ignore;\n";
 446                                         } elsif ($flag eq "S") {
 447                                                 $temp .= "\tflags |= arch_irn_flags_modify_sp;\n";
 448                                         }
 449                                 }
 450                                 $temp .= "\n";
 451                         }
 452
 453                         $temp .= "\t/* create node */\n";
 454                         $temp .= "\tassert(op != NULL);\n";
 455                         $temp .= "\tres = new_ir_node(db, irg, block, op, mode, arity, in);\n";
 456                         $temp .= "\n";
 457
 458                         $temp .= "\t/* init node attributes */\n";
 459                         # lookup init function
 460                         my $attr_init_code = $init_attr{$attr_type};
 461                         if(!defined($attr_init_code)) {
 462                                 die "Fatal error: Couldn't find attribute initialisation code for type '${attr_type}'";
 463                         }
 464                         $temp .= "${attr_init_code}\n";
 465                         $temp .= "\n";
 466
 467                         # set flags for outs
 468                         if ($#out_flags >= 0) {
 469                                 $temp .= "\t/* set flags for outs */\n";
 470                                 for (my $idx = 0; $idx <= $#out_flags; $idx++) {
 471                                         my $flags  = "";
 472                                         my $prefix = "";
 473
 474                                         foreach my $flag (split(/\|/, $out_flags[$idx])) {
 475                                                 if ($flag eq "I") {
 476                                                         $flags .= $prefix."arch_irn_flags_ignore";
 477                                                         $prefix = " | ";
 478                                                 }
 479                                                 elsif ($flag eq "S") {
 480                                                         $flags .= $prefix."arch_irn_flags_modify_sp";
 481                                                         $prefix = " | ";
 482                                                 }
 483                                         }
 484
 485                                         $temp .= "\tset_$arch\_out_flags(res, $flags, $idx);\n";
 486                                 }
 487                                 $temp .= "\n";
 488                         }
 489
 490
 491                         if (exists($n{"init_attr"})) {
 492                                 $temp .= "\tattr = get_irn_generic_attr(res);\n";
 493                                 $temp .= "\t".$n{"init_attr"}."\n";
 494                         }
 495
 496                         $temp .= "\t/* optimize node */\n";
 497                         $temp .= "\tres = optimize_node(res);\n";
 498                         $temp .= "\tirn_vrfy_irg(res, irg);\n";
 499                         $temp .= "\n";
 500
 501                         $temp .= "\treturn res;\n";
 502
 503                         push(@obst_constructor, $temp);
 504                 }
 505                 else { # user defined constructor
 506                         push(@obst_constructor, $n{"rd_constructor"});
 507                 }
 508
 509                 # close constructor function
 510                 push(@obst_constructor, "}\n\n");
 511         } # constructor creation
 512
 513         # set default values for state and flags if not given
 514         $n{"state"}    = "floats" if (! exists($n{"state"}));
 515         $n{"op_flags"} = "N"      if (! exists($n{"op_flags"}));
 516
 517
 518         push(@obst_new_irop, "\n\tmemset(&ops, 0, sizeof(ops));\n");
 519         push(@obst_new_irop, "\tops.dump_node     = $arch\_dump_node;\n");
 520
 521         if (defined($cmp_attr_func)) {
 522                 push(@obst_new_irop, "\tops.node_cmp_attr = ${cmp_attr_func};\n");
 523         }
 524
 525         $n_opcodes++;
 526         my $n_res = $out_arity;
 527         if($n_res < 0) {
 528                 $n_res = "20"; # hacky....
 529         }
 530         $temp  = "\top_$op = new_ir_op(cur_opcode + iro_$op, \"$op\", op_pin_state_".$n{"state"}.", ".$n{"op_flags"};
 531         $temp .= "|M, ".translate_arity($arity).", 0, sizeof(${attr_type}), &ops);\n";
 532         push(@obst_new_irop, $temp);
 533         push(@obst_new_irop, "\tset_op_tag(op_$op, &$arch\_op_tag);\n");
 534         push(@obst_enum_op, "\tiro_$op,\n");
 535
 536         push(@obst_header, "\n");
 537 }
 538 push(@obst_enum_op, "\tiro_$arch\_last_generated,\n");
 539 push(@obst_enum_op, "\tiro_$arch\_last = iro_$arch\_last_generated");
 540 push(@obst_enum_op, " + $additional_opcodes") if (defined($additional_opcodes));
 541 push(@obst_enum_op, "\n} $arch\_opcodes;\n\n");
 542
 543 # emit the code
 544
 545 open(OUT, ">$target_c") || die("Fatal error: Could not open $target_c, reason: $!\n");
 546
 547 print OUT "#include \"gen_$arch\_regalloc_if_t.h\"\n\n";
 548 print OUT @obst_cmp_attr;
 549 print OUT "\n";
 550 print OUT @obst_opvar;
 551 print OUT "\n";
 552 print OUT @obst_get_opvar;
 553 print OUT "\n";
 554
 555 print OUT<<EOF;
 556
 557 static int $arch\_opcode_start = -1;
 558 static int $arch\_opcode_end   = -1;
 559
 560 EOF
 561
 562 # build the FOURCC arguments from $arch
 563
 564 my ($a, $b, $c, $d) = ('\0', '\0', '\0', '\0');
 565
 566 if (length($arch) >= 1) {
 567         $a = uc(substr($arch, 0, 1));
 568 }
 569
 570 if (length($arch) >= 2) {
 571         $b = uc(substr($arch, 1, 1));
 572 }
 573
 574 if (length($arch) >= 3) {
 575         $c = uc(substr($arch, 2, 1));
 576 }
 577
 578 if (length($arch) >= 4) {
 579         $d = uc(substr($arch, 3, 1));
 580 }
 581
 582 print OUT<<ENDOFISIRN;
 583
 584 /** A tag for the $arch opcodes. Note that the address is used as a tag value, NOT the FOURCC code. */
 585 static unsigned $arch\_op_tag = FOURCC('$a', '$b', '$c', '$d');
 586
 587 /** Return the opcode number of the first $arch opcode. */
 588 int get_$arch\_opcode_first(void) {
 589         return $arch\_opcode_start;
 590 }
 591
 592 /** Return the opcode number of the last $arch opcode + 1. */
 593 int get_$arch\_opcode_last(void) {
 594         return $arch\_opcode_end;
 595 }
 596
 597 /** Return 1 if the given opcode is a $arch machine op, 0 otherwise */
 598 int is_$arch\_op(const ir_op *op) {
 599         return get_op_tag(op) == &$arch\_op_tag;
 600 }
 601
 602 /** Return 1 if the given node is a $arch machine node, 0 otherwise */
 603 int is_$arch\_irn(const ir_node *node) {
 604         return is_$arch\_op(get_irn_op(node));
 605 }
 606
 607 int get_$arch\_irn_opcode(const ir_node *node) {
 608         if (is_$arch\_irn(node))
 609                 return get_irn_opcode(node) - $arch\_opcode_start;
 610         return -1;
 611 }
 612
 613 ENDOFISIRN
 614
 615 print OUT @obst_constructor;
 616
 617 print OUT<<ENDOFMAIN;
 618 /**
 619  * Creates the $arch specific Firm machine operations
 620  * needed for the assembler irgs.
 621  */
 622 void $arch\_create_opcodes(void) {
 623 #define N   irop_flag_none
 624 #define L   irop_flag_labeled
 625 #define C   irop_flag_commutative
 626 #define X   irop_flag_cfopcode
 627 #define I   irop_flag_ip_cfopcode
 628 #define F   irop_flag_fragile
 629 #define Y   irop_flag_forking
 630 #define H   irop_flag_highlevel
 631 #define c   irop_flag_constlike
 632 #define K   irop_flag_keep
 633 #define M   irop_flag_machine
 634 #define O   irop_flag_machine_op
 635 #define R   (irop_flag_user << 0)
 636
 637         ir_op_ops  ops;
 638         int        cur_opcode;
 639         static int run_once = 0;
 640
 641         if (run_once)
 642                 return;
 643         run_once = 1;
 644
 645         cur_opcode = get_next_ir_opcodes(iro_$arch\_last);
 646
 647         $arch\_opcode_start = cur_opcode;
 648 ENDOFMAIN
 649
 650 print OUT @obst_new_irop;
 651 print OUT "\n";
 652 print OUT "\t$arch\_register_additional_opcodes(cur_opcode);\n" if (defined($additional_opcodes));
 653 print OUT "\t$arch\_opcode_end = cur_opcode + iro_$arch\_last";
 654 print OUT " + $additional_opcodes" if (defined($additional_opcodes));
 655 print OUT ";\n";
 656 print OUT "}\n";
 657
 658 close(OUT);
 659
 660 open(OUT, ">$target_h") || die("Fatal error: Could not open $target_h, reason: $!\n");
 661
 662 my $creation_time = localtime(time());
 663 my $tmp = uc($arch);
 664
 665 print OUT<<EOF;
 666 /**
 667  * \@file
 668  * \@brief Function prototypes for the new opcode functions.
 669  * \@note  DO NOT EDIT THIS FILE, your changes will be lost.
 670  *        Edit $specfile instead.
 671  *        created by: $0 $specfile $target_dir
 672  * \@date  $creation_time
 673  */
 674 #ifndef FIRM_BE_${tmp}_GEN_${tmp}_NEW_NODES_H
 675 #define FIRM_BE_${tmp}_GEN_${tmp}_NEW_NODES_H
 676
 677 EOF
 678
 679 print OUT @obst_enum_op;
 680 print OUT "int is_$arch\_irn(const ir_node *node);\n\n";
 681 print OUT "int get_$arch\_opcode_first(void);\n";
 682 print OUT "int get_$arch\_opcode_last(void);\n";
 683 print OUT "int get_$arch\_irn_opcode(const ir_node *node);\n";
 684 print OUT @obst_header;
 685 print OUT @obst_proj;
 686
 687 print OUT <<EOF;
 688 #endif
 689 EOF
 690
 691 close(OUT);
 692
 693 ###
 694 # Translates numeric arity into string constant.
 695 ###
 696 sub translate_arity {
 697         my $arity = shift;
 698
 699         if ($arity =~ /^\d+$/) {
 700                 if    ($arity == 0) {
 701                         return "oparity_zero";
 702                 }
 703                 elsif ($arity == 1) {
 704                         return "oparity_unary";
 705                 }
 706                 elsif ($arity == 2) {
 707                         return "oparity_binary";
 708                 }
 709                 elsif ($arity == 3) {
 710                         return "oparity_trinary";
 711                 }
 712                 else {
 713                         return "oparity_any";
 714                 }
 715         } elsif ($arity == $ARITY_VARIABLE) {
 716                 return "oparity_variable";
 717         } elsif ($arity == $ARITY_DYNAMIC) {
 718                 return "oparity_dynamic";
 719         } else {
 720                 die "Fatal error: Unknown arity $arity";
 721         }
 722 }
 723
 724 ###
 725 # Return the list of pointers for the given execution units.
 726 ###
 727 sub gen_execunit_list_initializer {
 728         my $units   = shift;
 729         my $uc_arch = uc($arch);
 730         my $ret     = "";
 731         my $ret2    = "";
 732         my %init;
 733
 734         foreach my $unit (@{ $units }) {
 735                 if ($unit eq "DUMMY") {
 736                         push(@{ $init{"DUMMY"} }, "\t\t&be_machine_execution_units_DUMMY[0]");
 737                 }
 738                 elsif (exists($cpu{"$unit"})) {
 739                         # operation can be executed on all units of this type
 740                         # -> add them all
 741                         my $tp_name = "$arch\_execution_units_$unit";
 742                         my $idx     = 0;
 743                         foreach (@{ $cpu{"$unit"} }) {
 744                                 next if ($idx++ == 0);  # skip first element (it's not a unit)
 745                                 my $unit_name = "$uc_arch\_EXECUNIT_TP_$unit\_$_";
 746                                 push(@{ $init{"$unit"} }, "\t\t&".$tp_name."[".$unit_name."]");
 747                         }
 748                 }
 749                 else {
 750                         # operation can be executed only a certain unit
 751                         # -> find corresponding unit type
 752                         my $found = 0;
 753 TP_SEARCH:      foreach my $cur_type (keys(%cpu)) {
 754                                 foreach my $cur_unit (@{ $cpu{"$cur_type"} }) {
 755                                         if ($unit eq $cur_unit) {
 756                                                 my $tp_name   = "$arch\_execution_units_$cur_type";
 757                                                 my $unit_name = "$uc_arch\_EXECUNIT_TP_$cur_type\_$unit";
 758                                                 push(@{ $init{"$unit"} }, "\t\t&".$tp_name."[".$unit_name."]");
 759                                                 $found = 1;
 760                                                 last TP_SEARCH;
 761                                         }
 762                                 }
 763                         }
 764
 765                         if (! $found) {
 766                                 print STDERR "Invalid execution unit $unit specified!\n";
 767                         }
 768                 }
 769         }
 770
 771         # prepare the 2-dim array init
 772         foreach my $key (keys(%init)) {
 773                 $ret .= "\tstatic const be_execution_unit_t *allowed_units_".$key."[] =\n";
 774                 $ret .= "\t{\n";
 775                 foreach (@{ $init{"$key"} }) {
 776                         $ret .= "$_,\n";
 777                 }
 778                 $ret .= "\t\tNULL\n";
 779                 $ret .= "\t};\n";
 780                 $ret2 .= "\t\tallowed_units_$key,\n";
 781         }
 782         $ret2 .= "\t\tNULL\n";
 783
 784         $ret .= "\tstatic const be_execution_unit_t **exec_units[] =\n";
 785         $ret .= "\t{\n";
 786         $ret .= $ret2;
 787         $ret .= "\t};\n";
 788
 789         return $ret;
 790 }