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