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