4 # Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
6 # This file is part of libFirm.
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.
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.
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
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
30 my $specfile = $ARGV[0];
31 my $target_dir = $ARGV[1];
37 our $additional_opcodes;
41 our $default_op_attr_type;
42 our $default_attr_type;
43 our $default_cmp_attr;
44 our $default_copy_attr;
46 our $custom_init_attr_func;
50 our %custom_irn_flags;
57 unless ($return = do $specfile) {
58 die "Fatal error: couldn't parse $specfile: $@" if $@;
59 die "Fatal error: couldn't do $specfile: $!" unless defined $return;
60 die "Fatal error: couldn't run $specfile" unless $return;
64 my $target_c = $target_dir."/gen_".$arch."_new_nodes.c.inl";
65 my $target_h = $target_dir."/gen_".$arch."_new_nodes.h";
67 if(!defined($default_attr_type)) {
68 $default_attr_type = "${arch}_attr_t";
70 if(!defined(%init_attr)) {
72 "$default_attr_type" => "\tinit_${arch}_attributes(res, irn_flags_, in_reqs, n_res);",
75 if(!defined($default_cmp_attr)) {
76 $default_cmp_attr = "${arch}_compare_attr";
78 if(!defined(%compare_attr)) {
80 "${default_attr_type}" => "${default_cmp_attr}",
84 # Operands are really just nodes with some special constraints, we check
85 # these and create new entries in the nodes hashmap
86 foreach my $op (keys(%operands)) {
87 my %operand = %{ $operands{"$op"} };
91 if(defined($operand{op_flags})) { die "Fatal error: operands can't have op_flags ($op)"; }
92 if(defined($operand{cmp_attr})) { die "Fatal error: cmp_attr not allowed for operands ($op)"; }
93 if(defined($operand{mode})) { die "Operand must not have a mode defined ($op)"; }
94 if(defined($operand{out_arity})) { die "operand must not have out_arity defined ($op)"; }
95 if(defined($nodes{$op})) { die "$op defined as operand and as node"; };
98 foreach my $flag (keys(%operand)) {
99 $op_node{$flag} = $operand{$flag};
101 $op_node{op_flags} = "O";
102 $op_node{cmp_attr} = 'return 1;';
103 $op_node{mode} = 'mode_ANY';
105 $nodes{$op} = \%op_node;
108 #print Dumper(%nodes);
109 #print Dumper(%operands);
111 # create c code file from specs
115 my @obst_opvar; # stack for the "ir_op *op_<arch>_<op-name> = NULL;" statements
116 my @obst_get_opvar; # stack for the get_op_<arch>_<op-name>() functions
117 my $obst_constructor; # stack for node constructor functions
118 my @obst_new_irop; # stack for the new_ir_op calls
119 my @obst_enum_op; # stack for creating the <arch>_opcode enum
120 my $obst_header; # stack for function prototypes
121 my @obst_is_archirn; # stack for the is_$arch_irn() function
122 my @obst_cmp_attr; # stack for the compare attribute functions
123 my $obst_proj = ""; # stack for the pn_ numbers
128 my $n_opcodes = 0; # number of opcodes
129 my $ARITY_VARIABLE = -1;
130 my $ARITY_DYNAMIC = -2;
131 my %requirements = ();
132 my %limit_bitsets = ();
134 my %regclass2len = ();
136 # build register->class hashes
137 foreach my $class_name (keys(%reg_classes)) {
138 my @class = @{ $reg_classes{"$class_name"} };
139 my $old_classname = $class_name;
143 $class_name = $arch."_".$class_name;
147 $reg2class{$_->{name}} = {
148 "class" => $old_classname,
154 $regclass2len{$old_classname} = $idx;
158 # for registering additional opcodes
159 $n_opcodes += $additional_opcodes if (defined($additional_opcodes));
161 $obst_header .= "void ${arch}_create_opcodes(const arch_irn_ops_t *be_ops);\n";
163 sub create_constructor {
172 $suffix = "_${name}";
176 if (exists($n->{mode})) {
177 $known_mode = $n->{mode};
182 if(exists($n->{"arity"})) {
183 $arity = $n->{"arity"};
184 } elsif (exists($n->{"reg_req"}) && exists($n->{"reg_req"}{"in"})) {
185 $arity = scalar(@{ $n->{"reg_req"}{"in"} });
186 } elsif (exists($n->{"ins"})) {
187 $arity = scalar(@{ $n->{"ins"} });
189 if($arity eq "variable") {
190 $arity = $ARITY_VARIABLE;
191 } elsif($arity eq "dynamic") {
192 $arity = $ARITY_DYNAMIC;
195 # determine out arity
197 if(exists($n->{"out_arity"})) {
198 $out_arity = $n->{"out_arity"};
199 } elsif (exists($n->{"reg_req"}) && exists($n->{"reg_req"}{"out"})) {
200 $out_arity = scalar(@{ $n->{"reg_req"}{"out"} });
201 } elsif (exists($n->{"outs"})) {
202 $out_arity = scalar(@{ $n->{"outs"} });
204 if($out_arity eq "variable") {
205 $out_arity = $ARITY_VARIABLE;
206 } elsif($out_arity eq "dynamic") {
207 $out_arity = $ARITY_DYNAMIC;
209 if ($out_arity != 0 && $out_arity != 1 && !defined($known_mode)) {
210 $known_mode = "mode_T";
213 my $comment = $n->{"comment"};
214 if(!exists($n->{"comment"})) {
215 $comment = "construct ${orig_op} node";
222 $obst_constructor .= $comment;
224 # create constructor head
225 my $complete_args = "";
228 $temp = "ir_node *new_bd_${arch}_${op}${suffix}(dbg_info *dbgi, ir_node *block";
229 if (!exists($n->{"args"})) { # default args
230 if ($arity == $ARITY_VARIABLE) {
231 $complete_args = ", int arity, ir_node *in[]";
232 } elsif ($arity == $ARITY_DYNAMIC) {
235 for (my $i = 0; $i < $arity; $i++) {
236 my $opname = "op${i}";
237 if (exists($n->{"ins"})) {
238 my @ins = @{ $n->{"ins"} };
242 $complete_args .= ", ir_node *${opname}";
245 if ($out_arity == $ARITY_VARIABLE) {
246 $complete_args .= ", int n_res";
249 if (!defined($known_mode)) {
250 $complete_args .= ", ir_mode *mode";
252 } else { # user defined args
253 for my $href (@{ $n->{"args"} }) {
254 $href->{"type"} .= " " if ($href->{"type"} !~ / [*]?$/); # put a space between name and type if there is none at the end
255 $complete_args .= ", ".$href->{"type"}.$href->{"name"};
259 # we have additional attribute arguements
260 if (exists($n->{"attr"})) {
261 $complete_args .= ", ".$n->{"attr"};
264 $temp .= "$complete_args)";
265 $obst_constructor .= "${temp}\n{\n";
267 $obst_header .= $comment;
268 $obst_header .= "${temp};\n";
270 # emit constructor code
272 ir_graph *irg = get_irn_irg(block);
273 ir_op *op = op_${arch}_${op};
274 arch_irn_flags_t irn_flags_ = arch_irn_flags_none;
276 backend_info_t *info;
279 if($arity == $ARITY_DYNAMIC) {
284 } elsif($arity == $ARITY_VARIABLE) {
299 if($out_arity == $ARITY_DYNAMIC) {
303 } elsif($out_arity == $ARITY_VARIABLE) {
306 int n_res = ${out_arity};
310 if (defined($known_mode)) {
312 ir_mode *mode = ${known_mode};
316 undef my $in_req_var;
317 undef my $out_req_var;
319 my $set_out_reqs = "";
321 # set up static variables for requirements and registers
322 if (exists($n->{"reg_req"})) {
323 my %req = %{ $n->{"reg_req"} };
327 @in = @{ $req{"in"} } if (exists($req{"in"}));
329 @out = @{ $req{"out"} } if exists(($req{"out"}));
331 for(my $idx = 0; $idx < $#in; $idx++) {
333 generate_requirements($req, $n, "${arch}_${op}", $idx, 1);
335 for(my $idx = 0; $idx < $#out; $idx++) {
336 my $req = $out[$idx];
337 generate_requirements($req, $n, "${arch}_${op}", $idx, 0);
341 if($arity >= 0 && scalar(@in) != $arity) {
342 die "Fatal error: Arity and number of in requirements don't match for ${op}\n";
345 $temp .= "\tstatic const arch_register_req_t *in_reqs[] =\n";
347 for ($idx = 0; $idx <= $#in; $idx++) {
349 my $reqstruct = generate_requirements($req, $n, "${arch}_${op}", $idx, 1);
350 $temp .= "\t\t& ${reqstruct},\n";
355 die "Fatal error: need in requirements for ${op}\n";
357 $temp .= "\tstatic const arch_register_req_t **in_reqs = NULL;\n";
361 if($out_arity >= 0 && scalar(@out) != $out_arity) {
362 die "Fatal error: Out-Arity and number of out requirements don't match for ${op}\n";
365 for ($idx = 0; $idx <= $#out; $idx++) {
366 my $req = $out[$idx];
367 my $reqstruct = generate_requirements($req, $n, "${arch}_${op}", $idx, 0);
368 $set_out_reqs .= <<EOF;
369 info->out_infos[${idx}].req = &${reqstruct};
374 die "Fatal error: need out requirements for ${op}\n";
378 $temp .= "\tstatic const arch_register_req_t **in_reqs = NULL;\n";
380 my $attr_type = $on->{attr_type};
381 if(exists($n->{"init_attr"})) {
382 $temp .= "\t${attr_type} *attr;\n";
388 $temp .= "\t/* construct in array */\n";
389 for (my $i = 0; $i < $arity; $i++) {
390 my $opname = "op${i}";
391 if (exists($n->{"ins"})) {
392 my @ins = @{ $n->{"ins"} };
396 $temp .= "\tin[${i}] = ${opname};\n";
402 if (exists($n->{"irn_flags"})) {
403 $temp .= "\t/* flags */\n";
404 my %known_irn_flags = (
405 "none" => "arch_irn_flags_none",
406 "dont_spill" => "arch_irn_flags_dont_spill",
407 "rematerializable" => "arch_irn_flags_rematerializable",
408 "modify_flags" => "arch_irn_flags_modify_flags",
409 "simple_jump" => "arch_irn_flags_simple_jump",
410 "not_scheduled" => "arch_irn_flags_not_scheduled",
412 if (defined(%custom_irn_flags)) {
413 %known_irn_flags = (%known_irn_flags, %custom_irn_flags);
415 foreach my $flag (@{$n->{"irn_flags"}}) {
416 if (not defined($known_irn_flags{$flag})) {
417 print STDERR "WARNING: irn_flag '$flag' in opcode $op is unknown\n";
419 $temp .= "\tirn_flags_ |= " . $known_irn_flags{$flag} . ";\n";
425 # lookup init function
426 my $attr_init_code = "(void)in;(void)irn_flags_;(void)in_reqs;(void)n_res;";
427 if ($attr_type ne "") {
428 $attr_init_code = $init_attr{$attr_type};
429 if(!defined($attr_init_code)) {
430 die "Fatal error: Couldn't find attribute initialisation code for type '${attr_type}'";
434 if(defined($custom_init_attr_func)) {
435 $custominit .= &$custom_init_attr_func($n, $on, "${arch}_${op}");
437 if(defined($n->{custominit})) {
438 $custominit .= $n->{custominit};
444 res = new_ir_node(dbgi, irg, block, op, mode, arity, in);
446 /* init node attributes */
449 info = be_get_info(res);
450 (void) info; /* avoid potential warning */
455 if (exists($n->{"init_attr"})) {
456 $temp .= "\tattr = (${attr_type}*)get_irn_generic_attr(res);\n";
457 $temp .= "\t(void) attr; /* avoid potential warning */\n";
458 $temp .= "\t".$n->{"init_attr"}."\n";
463 res = optimize_node(res);
464 irn_verify_irg(res, irg);
469 $obst_constructor .= $temp;
471 # close constructor function
472 $obst_constructor .= "}\n\n";
475 push(@obst_enum_op, "typedef enum ${arch}_opcodes {\n");
476 foreach my $op (keys(%nodes)) {
477 my %n = %{ $nodes{"$op"} };
485 if(exists($n{"arity"})) {
486 $arity = $n{"arity"};
487 } elsif (exists($n{"reg_req"}) && exists($n{"reg_req"}{"in"})) {
488 $arity = scalar(@{ $n{"reg_req"}{"in"} });
489 } elsif (exists($n{"ins"})) {
490 $arity = scalar(@{ $n{"ins"} });
492 if($arity eq "variable") {
493 $arity = $ARITY_VARIABLE;
494 } elsif($arity eq "dynamic") {
495 $arity = $ARITY_DYNAMIC;
498 # determine out arity
500 if(exists($n{"out_arity"})) {
501 $out_arity = $n{"out_arity"};
502 } elsif (exists($n{"reg_req"}) && exists($n{"reg_req"}{"out"})) {
503 $out_arity = scalar(@{ $n{"reg_req"}{"out"} });
504 } elsif (exists($n{"outs"})) {
505 $out_arity = scalar(@{ $n{"outs"} });
507 if($out_arity eq "variable") {
508 $out_arity = $ARITY_VARIABLE;
509 } elsif($out_arity eq "dynamic") {
510 $out_arity = $ARITY_DYNAMIC;
517 # define proj numbers and in numbers
518 if (exists($n{"outs"})) {
521 @outs = @{ $n{"outs"} };
522 if($out_arity >= 0 && scalar(@outs) != $out_arity) {
523 die "Fatal error: Op ${op} has different number of outs and out_arity\n";
526 $num_outs = $#outs + 1;
529 $obst_proj .= "\nenum pn_${op} {\n";
531 for (my $idx = 0; $idx <= $#outs; $idx++) {
532 # check, if we have additional flags annotated to out
533 if ($outs[$idx] =~ /:((S|I)(\|(S|I))*)/) {
534 push(@out_flags, $1);
535 $outs[$idx] =~ s/:((S|I)(\|(S|I))*)//;
537 $obst_proj .= "\tpn_${op}_".$outs[$idx]." = ${idx},\n";
540 $obst_proj .= "};\n";
542 # outs have names, it must be a mode_T node
543 if (!defined($n{mode})) {
547 if (exists($n{"ins"})) {
550 @ins = @{ $n{"ins"} };
551 if($arity >= 0 && scalar(@ins) != $arity) {
552 die "Fatal error: Op ${op} has different number of ins and arity\n";
556 $obst_proj .= "\nenum n_$op {\n";
557 for (my $idx = 0; $idx <= $#ins; $idx++) {
558 $obst_proj .= "\tn_${op}_".$ins[$idx]." = ${idx},\n";
560 $obst_proj .= "};\n";
565 push(@obst_opvar, "ir_op *op_$op = NULL;\n");
566 push(@obst_get_opvar, "ir_op *get_op_$op(void) { return op_$op; }\n");
567 push(@obst_get_opvar, "int is_$op(const ir_node *n) { return get_$arch\_irn_opcode(n) == iro_$op; }\n\n");
569 push(@obst_is_archirn, "is_$op(node)");
571 $obst_header .= <<EOF;
572 extern ir_op *op_${op};
573 ir_op *get_op_${op}(void);
574 int is_${op}(const ir_node *n);
577 my $attr_type= $n{attr_type};
578 if(!defined($attr_type)) {
579 $attr_type = $default_attr_type;
580 $n{attr_type} = $attr_type;
583 # determine hash function
585 if (exists($n{"hash_func"})) {
586 $hash_func = $n{"hash_func"};
589 # determine compare function
591 if (exists($n{"cmp_attr"})) {
592 my $cmpcode = $n{"cmp_attr"};
594 push(@obst_cmp_attr, "static int cmp_attr_$op(const ir_node *a, const ir_node *b) {\n");
595 if($cmpcode =~ m/attr_a/) {
596 push(@obst_cmp_attr, "\tconst ${attr_type} *attr_a = get_irn_generic_attr_const(a);\n");
598 push(@obst_cmp_attr, "\t(void) a;\n");
600 if($cmpcode =~ m/attr_b/) {
601 push(@obst_cmp_attr, "\tconst ${attr_type} *attr_b = get_irn_generic_attr_const(b);\n");
603 push(@obst_cmp_attr, "\t(void) b;\n");
605 push(@obst_cmp_attr, "\t${cmpcode}\n");
606 push(@obst_cmp_attr, "}\n\n");
608 $cmp_attr_func = "cmp_attr_${op}";
609 } elsif ($attr_type eq "") {
610 $cmp_attr_func = "NULL";
612 if(defined($compare_attr{${attr_type}})) {
613 $cmp_attr_func = $compare_attr{${attr_type}};
615 die "Fatal error: No compare function defined for ${attr_type} attributes.";
620 if (exists($n{constructors})) {
621 %constructors = %{ $n{constructors} };
623 # Create 1 default constructor
624 my %constructor = ();
625 foreach my $a ("comment", "ins", "outs", "args", "attr", "units",
626 "reg_req", "init_attr", "irn_flags", "mode", "arity",
627 "out_arity", "custominit") {
628 if (defined($n{$a})) {
629 $constructor{$a} = $n{$a};
632 %constructors = ( "" => \%constructor );
635 foreach my $constr (keys(%constructors)) {
636 my %cstr = %{ $constructors{$constr} };
637 # Copy some values from outer node if they don't exists in the constr
638 foreach my $a ("ins", "outs", "irn_flags", "mode", "args", "attr",
640 if (!defined($cstr{$a}) && defined($n{$a})) {
644 create_constructor($orig_op, $constr, \%cstr, \%n);
647 # set default values for state and flags if not given
648 $n{"state"} = "floats" if (! exists($n{"state"}));
649 $n{"op_flags"} = ["none"] if (! exists($n{"op_flags"}));
650 $n{"dump_func"} = "${arch}_dump_node" if (!exists($n{"dump_func"}));
651 my $dump_func = $n{"dump_func"};
653 push(@obst_new_irop, "\n\tmemset(&ops, 0, sizeof(ops));\n");
654 push(@obst_new_irop, "\tops.be_ops = be_ops;\n");
655 push(@obst_new_irop, "\tops.dump_node = ${dump_func};\n");
657 if (defined($cmp_attr_func)) {
658 push(@obst_new_irop, "\tops.node_cmp_attr = ${cmp_attr_func};\n");
660 my $copy_attr_func = $copy_attr{$attr_type};
661 if (!defined($copy_attr_func)) {
662 if ($attr_type eq "") {
663 $copy_attr_func = "NULL";
665 $copy_attr_func = $default_copy_attr;
668 if (defined($copy_attr_func)) {
669 push(@obst_new_irop, "\tops.copy_attr = ${copy_attr_func};\n");
671 if (defined($hash_func)) {
672 push(@obst_new_irop, "\tops.hash = ${hash_func};\n");
675 my %known_flags = map { $_ => 1 } (
676 "none", "labeled", "commutative", "cfopcode", "unknown_jump", "fragile",
677 "forking", "highlevel", "constlike", "always_opt", "keep",
678 "start_block", "uses_memory", "dump_noblock", "dump_noinput",
682 foreach my $flag (@{$n{"op_flags"}}) {
683 if (not defined($known_flags{$flag})) {
684 print STDERR "WARNING: Flag '$flag' in opcode $op is unknown\n";
686 if ($flag eq "fragile") {
690 my @mapped = map { "irop_flag_$_" } @{$n{"op_flags"}};
691 my $op_flags = join('|', @mapped);
694 if ($attr_type ne "") {
695 $attr_size = "sizeof(${attr_type})"
699 $temp = "\top_$op = new_ir_op(cur_opcode + iro_$op, \"$op\", op_pin_state_".$n{"state"}.", $op_flags";
700 $temp .= ", ".translate_arity($arity).", 0, ${attr_size}, &ops);\n";
701 push(@obst_new_irop, $temp);
703 push(@obst_new_irop, "\tir_op_set_fragile_indices(op_${op}, n_${op}_mem, pn_${op}_X_regular, pn_${op}_X_except);\n");
705 push(@obst_new_irop, "\tset_op_tag(op_$op, $arch\_op_tag);\n");
706 if(defined($default_op_attr_type)) {
707 push(@obst_new_irop, "\tattr = &attrs[iro_$op];\n");
708 if(defined($n{op_attr_init})) {
709 push(@obst_new_irop, "\t".$n{op_attr_init}."\n");
711 push(@obst_new_irop, "\tset_op_attr(op_$op, attr);\n");
714 push(@obst_enum_op, "\tiro_$op,\n");
716 $obst_header .= "\n";
718 push(@obst_enum_op, "\tiro_$arch\_last_generated,\n");
719 push(@obst_enum_op, "\tiro_$arch\_last = iro_$arch\_last_generated");
720 push(@obst_enum_op, " + $additional_opcodes") if (defined($additional_opcodes));
721 push(@obst_enum_op, "\n} $arch\_opcodes;\n\n");
725 open(OUT, ">$target_c") || die("Fatal error: Could not open $target_c, reason: $!\n");
727 print OUT "#include \"gen_$arch\_regalloc_if.h\"\n";
728 print OUT "#include \"irverify_t.h\"\n";
730 print OUT @obst_cmp_attr;
732 print OUT @obst_opvar;
734 print OUT @obst_get_opvar;
739 static int $arch\_opcode_start = -1;
740 static int $arch\_opcode_end = -1;
744 # build the FOURCC arguments from $arch
746 my ($a, $b, $c, $d) = ('\0', '\0', '\0', '\0');
748 if (length($arch) >= 1) {
749 $a = uc(substr($arch, 0, 1));
752 if (length($arch) >= 2) {
753 $b = uc(substr($arch, 1, 1));
756 if (length($arch) >= 3) {
757 $c = uc(substr($arch, 2, 1));
760 if (length($arch) >= 4) {
761 $d = uc(substr($arch, 3, 1));
764 print OUT<<ENDOFISIRN;
766 /** A tag for the $arch opcodes. Note that the address is used as a tag value, NOT the FOURCC code. */
767 #define $arch\_op_tag FOURCC('$a', '$b', '$c', '$d')
769 /** Return the opcode number of the first $arch opcode. */
770 int get_$arch\_opcode_first(void) {
771 return $arch\_opcode_start;
774 /** Return the opcode number of the last $arch opcode + 1. */
775 int get_$arch\_opcode_last(void) {
776 return $arch\_opcode_end;
779 /** Return 1 if the given opcode is a $arch machine op, 0 otherwise */
780 int is_$arch\_op(const ir_op *op) {
781 return get_op_tag(op) == $arch\_op_tag;
784 /** Return 1 if the given node is a $arch machine node, 0 otherwise */
785 int is_$arch\_irn(const ir_node *node) {
786 return is_$arch\_op(get_irn_op(node));
789 int get_$arch\_irn_opcode(const ir_node *node) {
790 if (is_$arch\_irn(node))
791 return get_irn_opcode(node) - $arch\_opcode_start;
801 #define BIT(x) (1 << (x))
805 print OUT @obst_limit_func;
808 print OUT @obst_reg_reqs;
811 print OUT<<ENDOFMAIN;
815 * Creates the $arch specific Firm machine operations
816 * needed for the assembler irgs.
818 void $arch\_create_opcodes(const arch_irn_ops_t *be_ops) {
821 static int run_once = 0;
824 if (defined($default_op_attr_type)) {
825 print OUT "\t$default_op_attr_type *attr, *attrs;\n";
828 print OUT<<ENDOFMAIN;
834 cur_opcode = get_next_ir_opcodes(iro_$arch\_last);
836 $arch\_opcode_start = cur_opcode;
839 if (defined($default_op_attr_type)) {
840 print OUT "\tattrs = XMALLOCNZ(${default_op_attr_type}, iro_${arch}_last);\n";
843 print OUT @obst_new_irop;
845 print OUT "\t$arch\_register_additional_opcodes(cur_opcode);\n" if (defined($additional_opcodes));
846 print OUT "\t$arch\_opcode_end = cur_opcode + iro_$arch\_last";
847 print OUT " + $additional_opcodes" if (defined($additional_opcodes));
853 open(OUT, ">$target_h") || die("Fatal error: Could not open $target_h, reason: $!\n");
855 my $creation_time = localtime(time());
861 * \@brief Function prototypes for the new opcode functions.
862 * \@note DO NOT EDIT THIS FILE, your changes will be lost.
863 * Edit $specfile instead.
864 * created by: $0 $specfile $target_dir
865 * \@date $creation_time
867 #ifndef FIRM_BE_${tmp}_GEN_${tmp}_NEW_NODES_H
868 #define FIRM_BE_${tmp}_GEN_${tmp}_NEW_NODES_H
872 print OUT @obst_enum_op;
874 int is_${arch}_irn(const ir_node *node);
875 int is_${arch}_op(const ir_op *op);
877 int get_${arch}_opcode_first(void);
878 int get_${arch}_opcode_last(void);
879 int get_${arch}_irn_opcode(const ir_node *node);
889 # Translates numeric arity into string constant.
891 sub translate_arity {
894 if ($arity =~ /^\d+$/) {
896 return "oparity_zero";
898 elsif ($arity == 1) {
899 return "oparity_unary";
901 elsif ($arity == 2) {
902 return "oparity_binary";
904 elsif ($arity == 3) {
905 return "oparity_trinary";
908 return "oparity_any";
910 } elsif ($arity == $ARITY_VARIABLE) {
911 return "oparity_variable";
912 } elsif ($arity == $ARITY_DYNAMIC) {
913 return "oparity_dynamic";
915 die "Fatal error: Unknown arity $arity";
919 sub mangle_requirements {
924 my @alternatives = split(/ /, $reqs);
925 for(my $idx = 0; $idx < scalar(@alternatives); $idx++) {
926 $alternatives[$idx] =~ s/!/not_/g;
929 @alternatives = sort @alternatives;
931 my $name = $class."_".join('_', @alternatives);
932 if (defined($flags)) {
941 # Determines whether $name is a specified register class or not.
942 # @return 1 if name is register class, 0 otherwise
946 return 1 if exists($reg_classes{"$name"});
951 # Returns the register class for a given register.
952 # @return class or undef
956 $reg = substr($reg, 1) if ($reg =~ /!.*/);
957 return $reg2class{"$reg"}{"class"} if (exists($reg2class{"$reg"}));
962 # Returns the index of a given register within its register class.
963 # @return index or undef
967 return $reg2class{"$reg"}{"index"} if (exists($reg2class{"$reg"}));
972 # Remember the register class for each index in the given requirements.
973 # We need this information for requirements like "in_sX" or "out_dX"
974 # @return array of classes corresponding to the requirement for each index
976 sub build_inout_idx_class {
982 my $inout = ($is_in ? "in" : "out");
984 if (exists($n->{"reg_req"}{"$inout"})) {
985 my @reqs = @{ $n->{"reg_req"}{"$inout"} };
987 for (my $idx = 0; $idx <= $#reqs; $idx++) {
989 my ($req,) = split(/:/, $reqs[$idx]);
991 if ($req eq "none") {
993 } elsif (is_reg_class($req)) {
996 my @regs = split(/ /, $req);
997 GET_CLASS: foreach my $reg (@regs) {
998 if ($reg =~ /!?(in|out)\_r\d+/ || $reg =~ /!in/) {
999 $class = "UNKNOWN_CLASS";
1001 $class = get_reg_class($reg);
1002 if (!defined $class) {
1003 die("Fatal error: Could not get ".uc($inout)." register class for '$op' pos $idx (reg $reg) ... exiting.\n");
1011 push(@idx_class, $class);
1019 # Generates the function for a given $op and a given IN-index
1020 # which returns a subset of possible register from a register class
1021 # @return classname from which the subset is derived or undef and
1022 # pos which corresponds to in/out reference position or undef
1024 sub build_subset_class_func {
1030 my $different_pos = 0;
1036 my $limit_reqs; #used for name mangling
1038 # build function header
1043 my @regs = split(/ /, shift);
1046 my @idx_class = build_inout_idx_class($node, $op, !$is_in);
1048 # set/unset registers
1049 CHECK_REQS: foreach (@regs) {
1050 if (!$is_in && /(!)?in_r(\d+)/) {
1051 my $bit_pos = 1 << ($2 - 1);
1052 if ($different_pos & $bit_pos) {
1054 print STDERR "duplicate !in constraint\n";
1056 print STDERR "conflicting !in and in constraints\n";
1058 return (undef, undef, undef, undef);
1061 if ($same_pos & $bit_pos) {
1063 print STDERR "conflicting !in and in constraints\n";
1065 print STDERR "duplicate in constraint\n";
1067 return (undef, undef, undef, undef);
1071 $different_pos |= $bit_pos;
1073 $same_pos |= $bit_pos;
1076 $class = $idx_class[$2 - 1];
1081 if (substr($_, 0, 1) eq "!") {
1082 if (defined($neg) && $neg == 0) {
1083 # we have seen a positiv constraint as first one but this one is negative
1084 # this doesn't make sense
1085 print STDERR "Mixed positive and negative constraints for the same slot are not allowed.\n";
1086 return (undef, undef, undef, undef);
1089 if (!defined($neg)) {
1093 $_ = substr($_, 1); # skip '!'
1096 if (defined($neg) && $neg == 1) {
1097 # we have seen a negative constraint as first one but this one is positive
1098 # this doesn't make sense
1099 print STDERR "Mixed positive and negative constraints for the same slot are not allowed.\n";
1100 return (undef, undef, undef, undef);
1107 # check if register belongs to one of the given classes
1108 $temp = get_reg_class($_);
1109 if (!defined($temp)) {
1110 print STDERR "Unknown register '$_'!\n";
1111 return (undef, undef, undef, undef);
1115 if (!defined($class)) {
1117 } elsif ($class ne $temp) {
1118 # all registers must belong to the same class
1119 print STDERR "Registerclass mismatch. '$_' is not member of class '$class'.\n";
1120 return (undef, undef, undef, undef);
1123 # calculate position inside the initializer bitfield (only 32 bits per
1125 my $regidx = get_reg_index($_);
1126 my $arrayp = $regidx / 32;
1127 push(@{$limit_array[$arrayp]}, $_);
1128 $limit_reqs .= "$_ ";
1131 # don't allow ignore regs in negative constraints
1133 my @cur_class = @{ $reg_classes{"$class"} };
1134 for (my $idx = 0; $idx <= $#cur_class; $idx++) {
1135 if (defined($cur_class[$idx]{"type"}) && ($cur_class[$idx]{"type"} & 4)) {
1136 my $reg = $cur_class[$idx]{"name"};
1137 my $regix = get_reg_index($reg);
1138 my $arrayp = $regix / 32;
1139 push(@{$limit_array[$arrayp]}, $reg);
1140 $limit_reqs .= "$reg ";
1145 if ($has_limit == 1) {
1146 $limit_name = "${arch}_limit_".mangle_requirements($limit_reqs, $class);
1148 if(defined($limit_bitsets{$limit_name})) {
1149 $limit_name = $limit_bitsets{$limit_name};
1150 return ($class, $limit_name, $same_pos, $different_pos);
1153 $limit_bitsets{$limit_name} = $limit_name;
1155 push(@obst_limit_func, "static const unsigned " . $limit_name . "[] = { ");
1157 my $limitbitsetlen = $regclass2len{$class};
1158 my $limitarraylen = ($limitbitsetlen+31) / 32;
1159 for(my $i = 0; $i < $limitarraylen; $i++) {
1161 my $limitarraypart = $limit_array[$i];
1165 push(@obst_limit_func, ", ");
1169 $temp = "0xFFFFFFFF";
1171 foreach my $reg (@{$limitarraypart}) {
1174 } elsif(defined($temp)) {
1177 my $firstreg = uc($reg_classes{$class}[0]->{"name"});
1178 my $classuc = uc($class);
1179 my $reguc = uc($reg);
1180 $temp .= "BIT(REG_${classuc}_${reguc})";
1182 if(defined($temp)) {
1183 push(@obst_limit_func, "${temp}");
1185 push(@obst_limit_func, "0");
1188 push(@obst_limit_func, " };\n");
1191 return ($class, $limit_name, $same_pos, $different_pos);
1195 # Generate register requirements structure
1197 sub generate_requirements {
1198 my ($reqs, $flags) = split(/:/, shift);
1208 if (defined($flags)) {
1209 foreach my $f (split(/|/, $flags)) {
1211 push(@req_type_mask, "arch_register_req_type_ignore");
1212 } elsif ($f eq "S") {
1213 push(@req_type_mask, "arch_register_req_type_produces_sp");
1214 } elsif ($f eq "a") {
1215 push(@req_type_mask, "arch_register_req_type_aligned");
1216 } elsif ($f eq "2" or $f eq "4" or $f eq "8") {
1222 if ($reqs eq "none") {
1226 arch_register_req_type_none,
1227 NULL, /* regclass */
1228 NULL, /* limit bitset */
1230 0, /* different pos */
1235 } elsif (is_reg_class($reqs)) {
1236 push(@req_type_mask, "arch_register_req_type_normal");
1237 my $reqtype = join(" | ", @req_type_mask);
1242 & ${arch}_reg_classes[CLASS_${arch}_${class}],
1243 NULL, /* limit bitset */
1245 0, /* different pos */
1252 my ($regclass, $limit_bitset, $same_pos, $different_pos)
1253 = build_subset_class_func($node, $op, $idx, $is_in, $reqs, $flags);
1255 if (!defined($regclass)) {
1256 die("Fatal error: Could not build subset for requirements '$reqs' of '$op' pos $idx ... exiting.\n");
1259 if (defined($limit_bitset) && $limit_bitset ne "NULL") {
1260 push(@req_type_mask, "arch_register_req_type_limited");
1262 if ($same_pos != 0) {
1263 push(@req_type_mask, "arch_register_req_type_should_be_same");
1265 if ($different_pos != 0) {
1266 push(@req_type_mask, "arch_register_req_type_must_be_different");
1268 my $reqtype = join(" | ", @req_type_mask);
1270 if(!defined($limit_bitset)) {
1271 $limit_bitset = "NULL";
1278 & ${arch}_reg_classes[CLASS_${arch}_${class}],
1280 ${same_pos}, /* same pos */
1281 ${different_pos}, /* different pos */
1288 my $name = "${arch}_requirements_".mangle_requirements($reqs, $class, $flags);
1289 if(defined($requirements{$name})) {
1292 $requirements{$name} = $name;
1293 push(@obst_reg_reqs, <<EOF);
1294 static const arch_register_req_t ${name} = ${result}