bescripts: Copy all common node attributes into the constructor variants.
[libfirm] / ir / be / scripts / generate_new_opcodes.pl
index ea15f9d..9f40503 100755 (executable)
@@ -29,16 +29,9 @@ use Data::Dumper;
 
 my $specfile   = $ARGV[0];
 my $target_dir = $ARGV[1];
-my $state      = 1;
-my $cur_op     = "";
-my $line_nr    = 0;
 
 our $arch;
-our $additional_opcodes;
 our %nodes;
-our %operands;
-our %cpu;
-our $default_op_attr_type;
 our $default_attr_type;
 our $default_cmp_attr;
 our $default_copy_attr;
@@ -81,47 +74,19 @@ if(! %compare_attr) {
        );
 }
 
-# Operands are really just nodes with some special constraints, we check
-# these and create new entries in the nodes hashmap
-foreach my $op (keys(%operands)) {
-       my %operand = %{ $operands{"$op"} };
-       my %op_node;
-
-       # constraints
-       if(defined($operand{op_flags})) { die "Fatal error: operands can't have op_flags ($op)"; }
-       if(defined($operand{cmp_attr})) { die "Fatal error: cmp_attr not allowed for operands ($op)"; }
-       if(defined($operand{mode})) { die "Operand must not have a mode defined ($op)"; }
-       if(defined($operand{out_arity})) { die "operand must not have out_arity defined ($op)"; }
-       if(defined($nodes{$op})) { die "$op defined as operand and as node"; };
-
-
-       foreach my $flag (keys(%operand)) {
-               $op_node{$flag} = $operand{$flag};
-       }
-       $op_node{op_flags} = "O";
-       $op_node{cmp_attr} = 'return 1;';
-       $op_node{mode}     = 'mode_ANY';
-
-       $nodes{$op} = \%op_node;
-}
-
-#print Dumper(%nodes);
-#print Dumper(%operands);
-
 # create c code file from specs
 
-my @obst_limit_func;
-my @obst_reg_reqs;
-my @obst_opvar;       # stack for the "ir_op *op_<arch>_<op-name> = NULL;" statements
-my @obst_get_opvar;   # stack for the get_op_<arch>_<op-name>() functions
-my $obst_constructor; # stack for node constructor functions
-my @obst_new_irop;    # stack for the new_ir_op calls
-my @obst_free_irop;   # stack for free_ir_op calls
-my @obst_enum_op;     # stack for creating the <arch>_opcode enum
-my $obst_header;      # stack for function prototypes
-my @obst_is_archirn;  # stack for the is_$arch_irn() function
-my @obst_cmp_attr;    # stack for the compare attribute functions
-my $obst_proj = "";   # stack for the pn_ numbers
+my $obst_limit_func  = ""; #
+my $obst_reg_reqs    = ""; #
+my $obst_opvar       = ""; # buffer for the "ir_op *op_<arch>_<op-name> = NULL;" statements
+my $obst_get_opvar   = ""; # buffer for the get_op_<arch>_<op-name>() functions
+my $obst_constructor = ""; # buffer for node constructor functions
+my $obst_new_irop    = ""; # buffer for the new_ir_op calls
+my $obst_free_irop   = ""; # buffer for free_ir_op calls
+my $obst_enum_op     = ""; # buffer for creating the <arch>_opcode enum
+my $obst_header      = ""; # buffer for function prototypes
+my $obst_cmp_attr    = ""; # buffer for the compare attribute functions
+my $obst_proj        = ""; # buffer for the pn_ numbers
 my $orig_op;
 my $arity;
 my $cmp_attr_func;
@@ -156,9 +121,6 @@ foreach my $class_name (keys(%reg_classes)) {
 }
 
 
-# for registering additional opcodes
-$n_opcodes += $additional_opcodes if (defined($additional_opcodes));
-
 $obst_header .= "void ${arch}_create_opcodes(const arch_irn_ops_t *be_ops);\n";
 $obst_header .= "void ${arch}_free_opcodes(void);\n";
 
@@ -474,7 +436,22 @@ EOF
        $obst_constructor .= "}\n\n";
 }
 
-push(@obst_enum_op, "typedef enum ${arch}_opcodes {\n");
+my @node_attrs = (
+       "args",
+       "arity",
+       "attr",
+       "comment",
+       "custominit",
+       "init_attr",
+       "ins",
+       "irn_flags",
+       "mode",
+       "out_arity",
+       "outs",
+       "reg_req",
+);
+
+$obst_enum_op .= "typedef enum ${arch}_opcodes {\n";
 foreach my $op (keys(%nodes)) {
        my %n        = %{ $nodes{"$op"} };
        my $known_mode;
@@ -564,11 +541,9 @@ foreach my $op (keys(%nodes)) {
        }
 
        # Create opcode
-       push(@obst_opvar, "ir_op *op_$op = NULL;\n");
-       push(@obst_get_opvar, "ir_op *get_op_$op(void)         { return op_$op; }\n");
-       push(@obst_get_opvar, "int    is_$op(const ir_node *n) { return get_$arch\_irn_opcode(n) == iro_$op; }\n\n");
-
-       push(@obst_is_archirn, "is_$op(node)");
+       $obst_opvar     .= "ir_op *op_$op = NULL;\n";
+       $obst_get_opvar .= "ir_op *get_op_$op(void)         { return op_$op; }\n";
+       $obst_get_opvar .= "int    is_$op(const ir_node *n) { return get_$arch\_irn_opcode(n) == iro_$op; }\n\n";
 
        $obst_header .= <<EOF;
 extern ir_op *op_${op};
@@ -593,19 +568,19 @@ EOF
        if (exists($n{"cmp_attr"})) {
                my $cmpcode = $n{"cmp_attr"};
 
-               push(@obst_cmp_attr, "static int cmp_attr_$op(const ir_node *a, const ir_node *b) {\n");
+               $obst_cmp_attr .= "static int cmp_attr_$op(const ir_node *a, const ir_node *b) {\n";
                if($cmpcode =~ m/attr_a/) {
-                       push(@obst_cmp_attr, "\tconst ${attr_type} *attr_a = get_irn_generic_attr_const(a);\n");
+                       $obst_cmp_attr .= "\tconst ${attr_type} *attr_a = get_irn_generic_attr_const(a);\n";
                } else {
-                       push(@obst_cmp_attr, "\t(void) a;\n");
+                       $obst_cmp_attr .= "\t(void) a;\n";
                }
                if($cmpcode =~ m/attr_b/) {
-                       push(@obst_cmp_attr, "\tconst ${attr_type} *attr_b = get_irn_generic_attr_const(b);\n");
+                       $obst_cmp_attr .= "\tconst ${attr_type} *attr_b = get_irn_generic_attr_const(b);\n";
                } else {
-                       push(@obst_cmp_attr, "\t(void) b;\n");
+                       $obst_cmp_attr .= "\t(void) b;\n";
                }
-               push(@obst_cmp_attr, "\t${cmpcode}\n");
-               push(@obst_cmp_attr, "}\n\n");
+               $obst_cmp_attr .= "\t${cmpcode}\n";
+               $obst_cmp_attr .= "}\n\n";
 
                $cmp_attr_func = "cmp_attr_${op}";
        } elsif ($attr_type eq "") {
@@ -624,9 +599,7 @@ EOF
        } else {
                # Create 1 default constructor
                my %constructor = ();
-               foreach my $a ("comment", "ins", "outs", "args", "attr", "units",
-                               "reg_req", "init_attr", "irn_flags", "mode", "arity",
-                               "out_arity", "custominit") {
+               foreach my $a (@node_attrs) {
                        if (defined($n{$a})) {
                                $constructor{$a} = $n{$a};
                        }
@@ -637,8 +610,7 @@ EOF
        foreach my $constr (keys(%constructors)) {
                my %cstr = %{ $constructors{$constr} };
                # Copy some values from outer node if they don't exists in the constr
-               foreach my $a ("ins", "outs", "irn_flags", "mode", "args", "attr",
-                              "custominit") {
+               foreach my $a (@node_attrs) {
                        if (!defined($cstr{$a}) && defined($n{$a})) {
                                $cstr{$a} = $n{$a};
                        }
@@ -652,32 +624,10 @@ EOF
        $n{"dump_func"} = "${arch}_dump_node" if (!exists($n{"dump_func"}));
        my $dump_func = $n{"dump_func"};
 
-       push(@obst_new_irop, "\n\tmemset(&ops, 0, sizeof(ops));\n");
-       push(@obst_new_irop, "\tops.be_ops        = be_ops;\n");
-       push(@obst_new_irop, "\tops.dump_node     = ${dump_func};\n");
-
-       if (defined($cmp_attr_func)) {
-               push(@obst_new_irop, "\tops.node_cmp_attr = ${cmp_attr_func};\n");
-       }
-       my $copy_attr_func = $copy_attr{$attr_type};
-       if (!defined($copy_attr_func)) {
-               if ($attr_type eq "") {
-                       $copy_attr_func = "NULL";
-               } else {
-                       $copy_attr_func = $default_copy_attr;
-               }
-       }
-       if (defined($copy_attr_func)) {
-               push(@obst_new_irop, "\tops.copy_attr = ${copy_attr_func};\n");
-       }
-       if (defined($hash_func)) {
-               push(@obst_new_irop, "\tops.hash = ${hash_func};\n");
-       }
-
        my %known_flags = map { $_ => 1 } (
                "none", "commutative", "cfopcode", "unknown_jump", "fragile",
-               "forking", "highlevel", "constlike", "always_opt", "keep",
-               "start_block", "uses_memory", "dump_noblock", "cse_neutral"
+               "forking", "highlevel", "constlike", "keep", "start_block",
+               "uses_memory", "dump_noblock", "cse_neutral"
        );
        my $is_fragile = 0;
        foreach my $flag (@{$n{"op_flags"}}) {
@@ -698,45 +648,58 @@ EOF
 
        $n_opcodes++;
        $temp  = "\top = new_ir_op(cur_opcode + iro_$op, \"$op\", op_pin_state_".$n{"state"}.", $op_flags";
-       $temp .= ", ".translate_arity($arity).", 0, ${attr_size}, &ops);\n";
-       push(@obst_new_irop, $temp);
+       $temp .= ", ".translate_arity($arity).", 0, ${attr_size});\n";
+       $obst_new_irop .= $temp;
+       $obst_new_irop .= "\top->ops.be_ops        = be_ops;\n";
+       $obst_new_irop .= "\top->ops.dump_node     = ${dump_func};\n";
+       if (defined($cmp_attr_func)) {
+               $obst_new_irop .= "\top->ops.node_cmp_attr = ${cmp_attr_func};\n";
+       }
+       my $copy_attr_func = $copy_attr{$attr_type};
+       if (!defined($copy_attr_func)) {
+               # don't set a copy_attr function if the node has no additional attributes.
+               if ($attr_type ne "") {
+                       $copy_attr_func = $default_copy_attr;
+               }
+       }
+       if (defined($copy_attr_func)) {
+               $obst_new_irop .= "\top->ops.copy_attr     = ${copy_attr_func};\n";
+       }
+       if (defined($hash_func)) {
+               $obst_new_irop .= "\top->ops.hash          = ${hash_func};\n";
+       }
+
        if ($is_fragile) {
-               push(@obst_new_irop, "\tir_op_set_memory_index(op, n_${op}_mem);\n");
-               push(@obst_new_irop, "\tir_op_set_fragile_indices(op, pn_${op}_X_regular, pn_${op}_X_except);\n");
+               $obst_new_irop .= "\tir_op_set_memory_index(op, n_${op}_mem);\n";
+               $obst_new_irop .= "\tir_op_set_fragile_indices(op, pn_${op}_X_regular, pn_${op}_X_except);\n";
        }
-       push(@obst_new_irop, "\tset_op_tag(op, $arch\_op_tag);\n");
+       $obst_new_irop .= "\tset_op_tag(op, $arch\_op_tag);\n";
        if(defined($n{op_attr_init})) {
-               push(@obst_new_irop, "\t".$n{op_attr_init}."\n");
+               $obst_new_irop .= "\t".$n{op_attr_init}."\n";
        }
-       push(@obst_new_irop, "\top_${op} = op;\n");
+       $obst_new_irop .= "\top_${op} = op;\n";
 
-       push(@obst_free_irop, "\tfree_ir_op(op_$op); op_$op = NULL;\n");
+       $obst_free_irop .= "\tfree_ir_op(op_$op); op_$op = NULL;\n";
 
-       push(@obst_enum_op, "\tiro_$op,\n");
+       $obst_enum_op .= "\tiro_$op,\n";
 
        $obst_header .= "\n";
 }
-push(@obst_enum_op, "\tiro_$arch\_last_generated,\n");
-push(@obst_enum_op, "\tiro_$arch\_last = iro_$arch\_last_generated");
-push(@obst_enum_op, " + $additional_opcodes") if (defined($additional_opcodes));
-push(@obst_enum_op, "\n} $arch\_opcodes;\n\n");
+$obst_enum_op .= "\tiro_$arch\_last\n";
+$obst_enum_op .= "} $arch\_opcodes;\n\n";
 
 # emit the code
 
 open(OUT, ">$target_c") || die("Fatal error: Could not open $target_c, reason: $!\n");
 
-print OUT "#include \"gen_$arch\_regalloc_if.h\"\n";
-print OUT "#include \"irverify_t.h\"\n";
-print OUT "#include \"fourcc.h\"\n";
-print OUT "\n";
-print OUT @obst_cmp_attr;
-print OUT "\n";
-print OUT @obst_opvar;
-print OUT "\n";
-print OUT @obst_get_opvar;
-print OUT "\n";
-
 print OUT<<EOF;
+#include "gen_$arch\_regalloc_if.h"
+#include "irverify_t.h"
+#include "fourcc.h"
+
+$obst_cmp_attr
+$obst_opvar
+$obst_get_opvar
 
 static int $arch\_opcode_start = -1;
 static int $arch\_opcode_end   = -1;
@@ -763,7 +726,7 @@ if (length($arch) >= 4) {
        $d = uc(substr($arch, 3, 1));
 }
 
-print OUT<<ENDOFISIRN;
+print OUT <<END;
 
 /** A tag for the $arch opcodes. Note that the address is used as a tag value, NOT the FOURCC code. */
 #define $arch\_op_tag FOURCC('$a', '$b', '$c', '$d')
@@ -794,23 +757,13 @@ int get_$arch\_irn_opcode(const ir_node *node) {
        return -1;
 }
 
-ENDOFISIRN
-
-print OUT <<END;
 #ifdef BIT
 #undef BIT
 #endif
 #define BIT(x)  (1 << (x))
 
-END
-
-print OUT @obst_limit_func;
-print OUT "\n";
-
-print OUT @obst_reg_reqs;
-print OUT "\n";
-
-print OUT<<ENDOFMAIN;
+$obst_limit_func
+$obst_reg_reqs
 $obst_constructor
 
 /**
@@ -819,31 +772,19 @@ $obst_constructor
  */
 void $arch\_create_opcodes(const arch_irn_ops_t *be_ops)
 {
-       ir_op_ops  ops;
-       ir_op     *op;
-       int        cur_opcode = get_next_ir_opcodes(iro_$arch\_last);
+       ir_op *op;
+       int    cur_opcode = get_next_ir_opcodes(iro_$arch\_last);
 
        $arch\_opcode_start = cur_opcode;
-ENDOFMAIN
-
-print OUT @obst_new_irop;
-print OUT "\n";
-print OUT "\t$arch\_register_additional_opcodes(cur_opcode);\n" if (defined($additional_opcodes));
-print OUT "\t$arch\_opcode_end = cur_opcode + iro_$arch\_last";
-print OUT " + $additional_opcodes" if (defined($additional_opcodes));
-print OUT ";\n";
-print OUT <<ENDOFMAIN;
+$obst_new_irop
+       $arch\_opcode_end = cur_opcode + iro_$arch\_last;
 }
 
 void $arch\_free_opcodes(void)
 {
-ENDOFMAIN
-
-print OUT @obst_free_irop;
-
-print OUT <<ENDOFMAIN;
+$obst_free_irop
 }
-ENDOFMAIN
+END
 
 close(OUT);
 
@@ -864,10 +805,7 @@ print OUT<<EOF;
 #ifndef FIRM_BE_${tmp}_GEN_${tmp}_NEW_NODES_H
 #define FIRM_BE_${tmp}_GEN_${tmp}_NEW_NODES_H
 
-EOF
-
-print OUT @obst_enum_op;
-print OUT <<EOF;
+$obst_enum_op
 int is_${arch}_irn(const ir_node *node);
 int is_${arch}_op(const ir_op *op);
 
@@ -1149,7 +1087,7 @@ CHECK_REQS: foreach (@regs) {
 
                $limit_bitsets{$limit_name} = $limit_name;
 
-               push(@obst_limit_func, "static const unsigned " . $limit_name . "[] = { ");
+               $obst_limit_func .= "static const unsigned $limit_name\[] = { ";
                my $first = 1;
                my $limitbitsetlen = $regclass2len{$class};
                my $limitarraylen = ($limitbitsetlen+31) / 32;
@@ -1159,7 +1097,7 @@ CHECK_REQS: foreach (@regs) {
                        if($first) {
                                $first = 0;
                        } else {
-                               push(@obst_limit_func, ", ");
+                               $obst_limit_func .= ", ";
                        }
                        my $temp;
                        if($neg) {
@@ -1176,13 +1114,9 @@ CHECK_REQS: foreach (@regs) {
                                my $reguc = uc($reg);
                                $temp .= "BIT(REG_${classuc}_${reguc})";
                        }
-                       if(defined($temp)) {
-                               push(@obst_limit_func, "${temp}");
-                       } else {
-                               push(@obst_limit_func, "0");
-                       }
+                       $obst_limit_func .= $temp || "0";
                }
-               push(@obst_limit_func, " };\n");
+               $obst_limit_func .= " };\n";
        }
 
        return ($class, $limit_name, $same_pos, $different_pos);
@@ -1287,9 +1221,7 @@ EOF
                return $name;
        }
        $requirements{$name} = $name;
-       push(@obst_reg_reqs, <<EOF);
-static const arch_register_req_t ${name} = ${result}
-EOF
+       $obst_reg_reqs .= "static const arch_register_req_t ${name} = ${result}\n";
 
        return $name;
 }