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