3 # This script generates the C code which creates the irop's and
4 # their coresponding node constructors for all operations in a given spec
5 # so they can be used as normal firm nodes.
12 my $specfile = $ARGV[0];
13 my $target_dir = $ARGV[1];
26 unless ($return = do $specfile) {
27 warn "couldn't parse $specfile: $@" if $@;
28 warn "couldn't do $specfile: $!" unless defined $return;
29 warn "couldn't run $specfile" unless $return;
33 my $target_c = $target_dir."/gen_".$arch."_new_nodes.c.inl";
34 my $target_h = $target_dir."/gen_".$arch."_new_nodes.h.inl";
36 #print Dumper(%nodes);
38 # create c code file from specs
40 my @obst_opvar; # stack for the "ir_op *op_<arch>_<op-name> = NULL;" statements
41 my @obst_get_opvar; # stack for the get_op_<arch>_<op-name>() functions
42 my @obst_constructor; # stack for node constructor functions
43 my @obst_new_irop; # stack for the new_ir_op calls
44 my @obst_header; # stack for function prototypes
45 my @obst_is_archirn; # stack for the is_$arch_irn() function
50 push(@obst_header, "void ".$arch."_create_opcodes(void);\n");
52 foreach my $op (keys(%nodes)) {
53 my %n = %{ $nodes{"$op"} };
59 push(@obst_opvar, "ir_op *op_$op = NULL;\n");
60 push(@obst_get_opvar, "ir_op *get_op_$op(void) { return op_$op; }\n");
61 push(@obst_get_opvar, "int is_$op(const ir_node *n) { return get_irn_op(n) == op_$op; }\n\n");
63 push(@obst_is_archirn, "is_$op(node)");
65 push(@obst_header, "int is_$op(const ir_node *n);\n");
67 $n{"comment"} =~ s/^"|"$//g;
68 $n{"comment"} = "/* ".$n{"comment"}." */\n";
69 push(@obst_constructor, $n{"comment"});
71 # create constructor head
72 my $complete_args = "";
74 $temp = "ir_node *new_rd_$op(dbg_info *db, ir_graph *irg, ir_node *block";
75 if (!exists($n{"args"}) || $n{"args"} eq "DEFAULT") { # default args
76 if ($n{"arity"} !~ /^[0-3]$/) {
77 print "DEFAULT args require arity 0,1,2 or 3! Ignoring op $orig_op!\n";
80 for (my $i = 1; $i <= $n{"arity"}; $i++) {
81 $complete_args .= ", ir_node *op".$i;
82 $arg_names .= ", op".$i;
84 $complete_args .= ", ir_mode *mode";
85 $arg_names .= ", mode";
87 else { # user defined args
88 for my $href (@{ $n{"args"} }) {
89 $href->{"type"} .= " " if ($href->{"type"} !~ / [*]?$/); # put a space between name and type if there is none at the end
90 $complete_args .= ", ".$href->{"type"}.$href->{"name"};
91 $arg_names .= ", ".$href->{"name"};
94 $complete_args = substr($complete_args, 2);
95 $temp .= ", $complete_args)";
96 push(@obst_constructor, $temp." {\n");
97 push(@obst_header, $temp.";\n");
99 # emit constructor code
100 if (!exists($n{"rd_constructor"}) || $n{"rd_constructor"} eq "DEFAULT") { # default constructor
101 if ($n{"arity"} !~ /^[0-3]$/) {
102 print "DEFAULT rd_constructor requires arity 0,1,2 or 3! Ignoring op $orig_op!\n";
105 $temp = " asmop_attr *attr;\n";
106 $temp .= " ir_node *res;\n";
107 $temp .= " ir_node *in[$arity];\n" if ($arity > 0);
109 $temp .= " if (!op_$op) {\n";
110 $temp .= " assert(0);\n";
111 $temp .= " return NULL;\n";
113 for (my $i = 1; $i <= $arity; $i++) {
114 $temp .= " in[".($i - 1)."] = op".$i.";\n";
116 $temp .= " res = new_ir_node(db, irg, block, op_$op, mode, $arity, ".($arity > 0 ? "in" : "NULL").");\n";
117 $temp .= " res = optimize_node(res);\n";
118 $temp .= " irn_vrfy_irg(res, irg);\n\n";
121 $temp .= " attr = (asmop_attr *)get_irn_generic_attr(res);\n\n";
122 $temp .= " attr->flags = 0; /* clear flags */\n";
123 if (!exists($n{"spill"}) || $n{"spill"} == 1) {
124 $temp .= " attr->flags |= arch_irn_flags_spillable; /* op is spillable */\n";
126 if (exists($n{"remat"}) && $n{"remat"} == 1) {
127 $temp .= " attr->flags |= arch_irn_flags_rematerializable; /* op can be easily recalulated */\n";
130 # allocate memory and set pointer to register requirements
131 if (exists($n{"reg_req"})) {
132 my %req = %{ $n{"reg_req"} };
136 @in = @{ $req{"in"} } if (exists($req{"in"}));
138 @out = @{ $req{"out"} } if exists(($req{"out"}));
141 $temp .= "\n /* allocate memory for IN register requirements and assigned registers */\n";
142 $temp .= " attr->in_req = malloc(".($#in + 1)." * sizeof(arch_register_req_t *)); /* space for in requirements */\n";
143 $temp .= " attr->in = malloc(".($#in + 1)." * sizeof(arch_register_t *)); /* space for assigned register to arguments */\n";
144 for ($idx = 0; $idx <= $#in; $idx++) {
145 $temp .= " attr->in_req[$idx] = &".$op."_reg_req_in_".$idx.";\n";
150 $temp .= "\n /* allocate memory for OUT register requirements and assigned registers */\n";
151 $temp .= " attr->out_req = malloc(".($#out + 1)." * sizeof(arch_register_req_t *)); /* space for out requirements */\n";
152 $temp .= " attr->out = calloc(sizeof(arch_register_t *), ".($#out + 1)."); /* space for assigned register to results */\n";
153 for ($idx = 0; $idx <= $#out; $idx++) {
154 $temp .= " attr->out_req[$idx] = &".$op."_reg_req_out_".$idx.";\n";
156 $temp .= " attr->n_res = ".($#out + 1).";\n";
159 $temp .= " attr->n_res = 0;\n";
163 $temp .= "\n return res;\n";
165 push(@obst_constructor, $temp);
167 else { # user defined constructor
168 push(@obst_constructor, $n{"rd_constructor"});
171 # close constructor function
172 push(@obst_constructor, "}\n\n");
174 # set default values for state and flags if not given
175 $n{"state"} = "pinned" if (! exists($n{"state"}));
176 $n{"op_flags"} = "N" if (! exists($n{"op_flags"}));
178 $temp = " op_$op = new_ir_op(get_next_ir_opcode(), \"$op\", op_pin_state_".$n{"state"}.", ".$n{"op_flags"};
179 $temp .= ", ".translate_arity($arity).", 0, sizeof(asmop_attr), &ops);\n";
180 push(@obst_new_irop, $temp);
185 open(OUT, ">$target_c") || die("Could not open $target_c, reason: $!\n");
187 print OUT @obst_opvar;
189 print OUT @obst_get_opvar;
191 print OUT "int is_".$arch."_irn(const ir_node *node) {\n if (".join(" ||\n ", @obst_is_archirn).")\n return 1;\n else\n return 0;\n}\n\n";
192 print OUT @obst_constructor;
194 print OUT<<ENDOFMAIN;
196 * Creates the $arch specific firm operations
197 * needed for the assembler irgs.
199 void $arch\_create_opcodes(void) {
200 #define N irop_flag_none
201 #define L irop_flag_labeled
202 #define C irop_flag_commutative
203 #define X irop_flag_cfopcode
204 #define I irop_flag_ip_cfopcode
205 #define F irop_flag_fragile
206 #define Y irop_flag_forking
207 #define H irop_flag_highlevel
208 #define c irop_flag_constlike
212 memset(&ops, 0, sizeof(ops));
214 /* enter our modified dumper */
215 ops.dump_node = dump_node_$arch;
219 print OUT @obst_new_irop;
224 open(OUT, ">$target_h") || die("Could not open $target_h, reason: $!\n");
226 print OUT @obst_header;
231 # Translates numeric arity into string constant.
233 sub translate_arity {
237 return "oparity_zero";
239 elsif ($arity == 1) {
240 return "oparity_unary";
242 elsif ($arity == 1) {
243 return "oparity_binary";
245 elsif ($arity == 1) {
246 return "oparity_trinary";