Don't set copy_attr_func to NULL for nodes without attributes.

[libfirm] / ir / be / scripts / generate_regalloc_if.pl

diff --git a/ir/be/scripts/generate_regalloc_if.pl b/ir/be/scripts/generate_regalloc_if.pl
index 50ebc66..f892e3d 100755 (executable)
--- a/ir/be/scripts/generate_regalloc_if.pl
+++ b/ir/be/scripts/generate_regalloc_if.pl
@@ -22,7 +22,6 @@
 # This script generates C code which creates ands sets up functions and
 # data structures for the register allocator.
 # Creation: 2005/11/14
-# $Id$
 
 use strict;
 use Data::Dumper;
@@ -61,26 +60,18 @@ sub translate_reg_type {
                my @types;
 
                if ($t & 1) {
-                       push(@types, "arch_register_type_caller_save");
-               }
-
-               if ($t & 2) {
-                       push(@types, "arch_register_type_callee_save");
-               }
-
-               if ($t & 4) {
                        push(@types, "arch_register_type_ignore");
                }
 
-               if ($t & 8) {
+               if ($t & 2) {
                        push(@types, "arch_register_type_joker");
                }
 
-               if ($t & 16) {
+               if ($t & 4) {
                        push(@types, "arch_register_type_virtual");
                }
 
-               if ($t & 32) {
+               if ($t & 8) {
                        push(@types, "arch_register_type_state");
                }
 
@@ -181,13 +172,9 @@ foreach my $class_name (keys(%reg_classes)) {
                        $flags_prepared .= "arch_register_class_flag_$flag";
                }
        } else {
-               $flags_prepared = "0";
+               $flags_prepared = "arch_register_class_flag_none";
        }
 
-       $single_constraints_decls .= <<EOF;
-static const arch_register_req_t ${arch}_class_reg_req_${old_classname};
-EOF
-
        $single_constraints .= <<EOF;
 static const arch_register_req_t ${arch}_class_reg_req_${old_classname} = {
        arch_register_req_type_normal,
@@ -219,6 +206,10 @@ EOF
 
                $regdef  .= "\tREG_${ucname},\n";
                $regdef2 .= "\tREG_${classuc}_${ucname} = $idx,\n";
+               my $dwarf_number = 0;
+               if (defined($_->{dwarf})) {
+                       $dwarf_number = $_->{dwarf};
+               }
 
                $regtypes_def .= <<EOF;
        {
@@ -227,7 +218,8 @@ EOF
                REG_${classuc}_${ucname},
                REG_${ucname},
                ${type},
-               &${arch}_single_reg_req_${old_classname}_${name}
+               &${arch}_single_reg_req_${old_classname}_${name},
+               ${dwarf_number}
        },
 EOF
 
@@ -274,17 +266,20 @@ print OUT<<EOF;
 #ifndef FIRM_BE_${archuc}_GEN_${archuc}_REGALLOC_IF_H
 #define FIRM_BE_${archuc}_GEN_${archuc}_REGALLOC_IF_H
 
-#include "../bearch.h"
+#include "bearch.h"
 #include "${arch}_nodes_attr.h"
 
+/** global register indices for ${arch} registers */
 enum reg_indices {
 ${regdef}
        N_${archuc}_REGISTERS
 };
+/** local register indices for ${arch} registers */
 enum {
 ${regdef2}
 };
 
+/** number of registers in ${arch} register classes. */
 enum {
 ${regcounts}
 };
@@ -295,7 +290,6 @@ extern const arch_register_t ${arch}_registers[N_${archuc}_REGISTERS];
 extern arch_register_class_t ${arch}_reg_classes[N_${archuc}_CLASSES];
 
 void ${arch}_register_init(void);
-unsigned ${arch}_get_n_regs(void);
 
 #endif
 EOF
@@ -321,55 +315,27 @@ print OUT<<EOF;
 #include "config.h"
 
 #include "gen_${arch}_regalloc_if.h"
-#include "gen_${arch}_machine.h"
 #include "bearch_${arch}_t.h"
 #include "irmode.h"
 
-${single_constraints_decls}
+${single_constraints}
 EOF
 
 print OUT "arch_register_class_t ${arch}_reg_classes[] = {\n\t".join(",\n\t", @regclasses)."\n};\n\n";
 
 print OUT<<EOF;
-${single_constraints}
 
+/** The array of all registers in the ${arch} architecture, sorted by its global index.*/
 const arch_register_t ${arch}_registers[] = {
 ${regtypes_def}
 };
 
+/**
+ * Initializes ${arch} register classes.
+ */
 void ${arch}_register_init(void)
 {
 ${reginit}
 }
 EOF
 close(OUT);
-
-###
-# Gets the variable name for the execution unit assigned to this register.
-###
-sub get_execunit_variable_name {
-       my $unit    = shift;
-       my $name    = "NULL";
-       my $uc_arch = uc($arch);
-
-       if ($unit) {
-               my $found = 0;
-SRCH:  foreach my $cur_type (keys(%cpu)) {
-                       foreach my $cur_unit (@{ $cpu{"$cur_type"} }) {
-                               if ($unit eq $cur_unit) {
-                                       my $tp_name   = "$arch\_execution_units_$cur_type";
-                                       my $unit_name = "$uc_arch\_EXECUNIT_TP_$cur_type\_$unit";
-                                       $name  = "&".$tp_name."[".$unit_name."]";
-                                       $found = 1;
-                                       last SRCH;
-                               }
-                       }
-               }
-
-               if (! $found) {
-                       print STDERR "Invalid execution unit $unit specified!\n";
-               }
-       }
-
-       return $name;
-}