added missing ;
[libfirm] / ir / be / scripts / generate_new_opcodes.pl
index 9eeea85..836dc0d 100755 (executable)
@@ -15,9 +15,6 @@ my $state      = 1;
 my $cur_op     = "";
 my $line_nr    = 0;
 
-my $target_c = $target_dir."/new_nodes.c";
-my $target_h = $target_dir."/new_nodes.h";
-
 our $arch;
 our %nodes;
 
@@ -27,12 +24,15 @@ my $return;
 
 no strict "subs";
 unless ($return = do $specfile) {
-  warn "couldn't parse $specfile: $@" if $@;
-  warn "couldn't do $specfile: $!"    unless defined $return;
-  warn "couldn't run $specfile"       unless $return;
+       warn "couldn't parse $specfile: $@" if $@;
+       warn "couldn't do $specfile: $!"    unless defined $return;
+       warn "couldn't run $specfile"       unless $return;
 }
 use strict "subs";
 
+my $target_c = $target_dir."/gen_".$arch."_new_nodes.c.inl";
+my $target_h = $target_dir."/gen_".$arch."_new_nodes.h";
+
 #print Dumper(%nodes);
 
 # create c code file from specs
@@ -42,229 +42,261 @@ 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_header;      # stack for function prototypes
-my $temp;
+my @obst_is_archirn;  # stack for the is_$arch_irn() function
+my @obst_cmp_attr;    # stack for the compare attribute functions
 my $orig_op;
 my $arity;
+my $cmp_attr_func;
+my $temp;
+my $n_opcodes = 2;    # we have two additional border opcodes (lowest/highest)
 
-push(@obst_header, "void create_bearch_asm_opcodes(void);");
+push(@obst_header, "void ".$arch."_create_opcodes(void);\n");
 
 foreach my $op (keys(%nodes)) {
-  my %n = %{ $nodes{"$op"} };
-
-  $orig_op = $op;
-  $op      = $arch."_".$op;
-  $arity   = $n{"arity"};
-
-  push(@obst_opvar, "ir_op *op_$op = NULL;\n");
-  push(@obst_get_opvar, "ir_op *get_op_$op(void)   { return op_$op; }\n");
-  push(@obst_get_opvar, "int    is_$op(ir_node *n) { return get_irn_op(n) == op_$op ? 1 : 0; }\n\n");
-
-  push(@obst_header, "int is_$op(ir_node *n);\n");
-
-  $n{"comment"} =~ s/^"|"$//g;
-  $n{"comment"} = "/* ".$n{"comment"}." */\n";
-  push(@obst_constructor, $n{"comment"});
-
-  # create constructor head
-  my $complete_args = "";
-  my $arg_names     = "";
-  $temp = "ir_node *new_rd_$op(dbg_info *db, ir_graph *irg, ir_node *block";
-  if (!exists($n{"args"}) || $n{"args"} eq "DEFAULT") { # default args
-    if ($n{"arity"} !~ /^[0-3]$/) {
-      print "DEFAULT args require arity 0,1,2 or 3! Ignoring op $orig_op!\n";
-      next;
-    }
-    for (my $i = 1; $i <= $n{"arity"}; $i++) {
-      $complete_args .= ", ir_node *op".$i;
-      $arg_names     .= ", op".$i;
-    }
-    $complete_args .= ", ir_mode *mode";
-    $arg_names     .= ", mode";
-  }
-  else { # user defined args
-    for my $href (@{ $n{"args"} }) {
-      $complete_args .= ", ".$href->{"type"}.$href->{"name"};
-      $arg_names     .= ", ".$href->{"name"};
-    }
-  }
-  $complete_args = substr($complete_args, 2);
-  $temp .= ", $complete_args)";
-  push(@obst_constructor, $temp." {\n");
-  push(@obst_header, $temp.";\n");
-
-  # emit constructor code
-  if (!exists($n{"rd_constructor"}) || $n{"rd_constructor"} eq "DEFAULT") { # default constructor
-    if ($n{"arity"} !~ /^[0-3]$/) {
-      print "DEFAULT rd_constructor requires arity 0,1,2 or 3! Ignoring op $orig_op!\n";
-      next;
-    }
-    $temp  = "  ir_node *res;\n";
-    $temp .= "  ir_node *in[$arity];\n" if ($arity > 0);
-    $temp .= "\n";
-    $temp .= "  if (!op_$op) {\n";
-    $temp .= "    assert(0);\n";
-    $temp .= "    return NULL;\n";
-    $temp .= "  }\n\n";
-    for (my $i = 1; $i <= $arity; $i++) {
-      $temp .= "  in[".($i - 1)."] = op".$i.";\n";
-    }
-    $temp .= "  res = new_ir_node(db, irg, block, op_$op, mode, $arity, ".($arity > 0 ? "in" : "NULL").");\n";
-    $temp .= "  res = optimize_node(res);\n";
-    $temp .= "  irn_vrfy_irg(res, irg);\n";
-    $temp .= "  return res;\n";
-
-    push(@obst_constructor, $temp);
-  }
-  else { # user defined constructor
-    push(@obst_constructor, $n{"rd_constructor"});
-  }
-
-  # close constructor function
-  push(@obst_constructor, "}\n\n");
-
-#  # create the _r and _d wrapper
-#  $temp  = "ir_node *new_r_$op(ir_graph *irg, ir_node *block, $complete_args)";
-#  push(@obst_header, $temp.";\n");
-#  $temp .= " {\n";
-#  $temp .= "  return new_rd_$op(NULL, irg, block".$arg_names.");\n";
-#  $temp .= "}\n\n";
-#  push(@obst_constructor, $temp);
-#
-#  $temp  = "ir_node *new_d_$op(dbg_info *db, $complete_args)";
-#  push(@obst_header, $temp.";\n");
-#  $temp .= " {\n";
-#  $temp .= "  return new_rd_$op(db, current_ir_graph, current_ir_graph->current_block".$arg_names.");\n";
-#  $temp .= "}\n\n";
-#  push(@obst_constructor, $temp);
-#
-#  $temp  = "ir_node *new_$op($complete_args)";
-#  push(@obst_header, $temp.";\n");
-#  $temp .= " {\n";
-#  $temp .= "  return new_d_$op(NULL".$arg_names.");\n";
-#  $temp .= "}\n\n";
-#  push(@obst_constructor, $temp);
-
-  # construct the new_ir_op calls
-
-  # set default values for state and flags if not given
-  $n{"state"}    = "pinned" if (! exists($n{"state"}));
-  $n{"op_flags"} = "N"      if (! exists($n{"op_flags"}));
-
-  my $arity_str = $arity == 0 ? "zero" : ($arity == 1 ? "unary" : ($arity == 2 ? "binary" : ($arity == 3 ? "trinary" : $arity)));
-  $temp  = "  op_$op = new_ir_op(get_next_ir_opcode(), \"$op\", op_pin_state_".$n{"state"}.", ".$n{"op_flags"};
-  $temp .= ", oparity_".$arity_str.", 0, sizeof(asmop_attr), &ops);\n";
-  push(@obst_new_irop, $temp);
+       my %n = %{ $nodes{"$op"} };
+
+       # determine arity from in requirements
+       $arity = 0;
+       if (exists($n{"reg_req"}) && exists($n{"reg_req"}{"in"})) {
+               $arity = scalar(@{ $n{"reg_req"}{"in"} });
+       }
+
+       $orig_op = $op;
+       $op      = $arch."_".$op;
+       $temp    = "";
+
+       push(@obst_opvar, "ir_op *op_$op = NULL;\n");
+       push(@obst_get_opvar, "ir_op *get_op_$op(void)         { return op_$op; }\n");
+       push(@obst_get_opvar, "int    is_$op(const ir_node *n) { return get_irn_op(n) == op_$op; }\n\n");
+
+       push(@obst_is_archirn, "is_$op(node)");
+
+       push(@obst_header, "ir_op *get_op_$op(void);\n");
+       push(@obst_header, "int is_$op(const ir_node *n);\n");
+
+       $cmp_attr_func = 0;
+       # create compare attribute function if needed
+       if (exists($n{"cmp_attr"})) {
+               push(@obst_cmp_attr, "static int cmp_attr_$op(ir_node *a, ir_node *b) {\n");
+               push(@obst_cmp_attr, "  $arch\_attr_t *attr_a = get_$arch\_attr(a);\n");
+               push(@obst_cmp_attr, "  $arch\_attr_t *attr_b = get_$arch\_attr(b);\n");
+               push(@obst_cmp_attr, $n{"cmp_attr"});
+               push(@obst_cmp_attr, "}\n\n");
+
+               $cmp_attr_func = 1;
+       }
+
+       if (exists($n{"rd_constructor"}) && $n{"rd_constructor"} =~ /^NONE$/i) {
+               # we explicitly skip the constructor if the specification entry says NONE
+       }
+       else {
+               $n{"comment"} = "construct $op" if(!exists($n{"comment"}));
+               $n{"comment"} =~ s/^"|"$//g;    # remove "
+               $n{"comment"} = "/* ".$n{"comment"}." */\n";
+               push(@obst_constructor, $n{"comment"});
+
+               # create constructor head
+               my $complete_args = "";
+               my $arg_names     = "";
+               $temp             = "";
+
+               $temp = "ir_node *new_rd_$op(dbg_info *db, ir_graph *irg, ir_node *block";
+               if (!exists($n{"args"}) || $n{"args"} =~ /^DEFAULT$/i) { # default args
+                       if ($arity !~ /^\d+$/) {
+                               print "DEFAULT args require numeric arity (0, 1, 2, ...)! Ignoring op $orig_op!\n";
+                               next;
+                       }
+                       for (my $i = 1; $i <= $arity; $i++) {
+                               $complete_args .= ", ir_node *op".$i;
+                               $arg_names     .= ", op".$i;
+                       }
+                       $complete_args .= ", ir_mode *mode";
+                       $arg_names     .= ", mode";
+               }
+               else { # user defined args
+                       for my $href (@{ $n{"args"} }) {
+                               $href->{"type"} .= " " if ($href->{"type"} !~ / [*]?$/); # put a space between name and type if there is none at the end
+                               $complete_args  .= ", ".$href->{"type"}.$href->{"name"};
+                               $arg_names      .= ", ".$href->{"name"};
+                       }
+               }
+               $complete_args = substr($complete_args, 2);
+               $temp .= ", $complete_args)";
+               push(@obst_constructor, $temp." {\n");
+               push(@obst_header, $temp.";\n");
+
+               # emit constructor code
+               if (!exists($n{"rd_constructor"}) || $n{"rd_constructor"} =~ /^DEFAULT$/i) { # default constructor
+                       if ($arity !~ /^\d+$/) {
+                               print "DEFAULT rd_constructor requires numeric arity! Ignoring op $orig_op!\n";
+                               next;
+                       }
+                       $temp  = "  $arch\_attr_t *attr;\n";
+                       $temp .= "  ir_node *res;\n";
+                       $temp .= "  ir_node *in[$arity];\n" if ($arity > 0);
+
+                       undef my $in_req_var;
+                       undef my $out_req_var;
+
+                       # set up static variables for requirements and registers
+                       if (exists($n{"reg_req"})) {
+                               my %req = %{ $n{"reg_req"} };
+                               my $idx;
+
+                               undef my @in;
+                               @in = @{ $req{"in"} } if (exists($req{"in"}));
+                               undef my @out;
+                               @out = @{ $req{"out"} } if exists(($req{"out"}));
+
+                               if (@in) {
+                                       $in_req_var = "_in_req_$op";
+                                       $temp .= "  static const $arch\_register_req_t *".$in_req_var."[] =\n  {\n";
+                                       for ($idx = 0; $idx <= $#in; $idx++) {
+                                               $temp .= "    ".$op."_reg_req_in_".$idx.",\n";
+                                       }
+                                       $temp .= "  };\n";
+                               }
+
+                               if (@out) {
+                                       $out_req_var = "_out_req_$op";
+
+                                       $temp .= "  static const $arch\_register_req_t *".$out_req_var."[] =\n  {\n";
+                                       for ($idx = 0; $idx <= $#out; $idx++) {
+                                               $temp .= "    ".$op."_reg_req_out_".$idx.",\n";
+                                       }
+                                       $temp .= "  };\n";
+                               }
+                       }
+
+                       $temp .= "\n";
+                       $temp .= "  if (!op_$op) {\n";
+                       $temp .= "    assert(0);\n";
+                       $temp .= "    return NULL;\n";
+                       $temp .= "  }\n\n";
+                       for (my $i = 1; $i <= $arity; $i++) {
+                               $temp .= "  in[".($i - 1)."] = op".$i.";\n";
+                       }
+                       $temp .= "  res = new_ir_node(db, irg, block, op_$op, mode, $arity, ".($arity > 0 ? "in" : "NULL").");\n";
+                       $temp .= "  res = optimize_node(res);\n";
+                       $temp .= "  irn_vrfy_irg(res, irg);\n\n";
+
+                       # set flags
+                       $temp .= "  attr = get_$arch\_attr(res);\n\n";
+                       $temp .= "  attr->flags  = 0;                                 /* clear flags */\n";
+
+                       if (exists($n{"irn_flags"})) {
+                               foreach my $flag (split(/\|/, $n{"irn_flags"})) {
+                                       if ($flag eq "R") {
+                                               $temp .= "  attr->flags |= arch_irn_flags_rematerializable;   /* op can be easily recalulated */\n";
+                                       }
+                                       elsif ($flag eq "N") {
+                                               $temp .= "  attr->flags |= arch_irn_flags_dont_spill;         /* op is NOT spillable */\n";
+                                       }
+                                       elsif ($flag eq "I") {
+                                               $temp .= "  attr->flags |= arch_irn_flags_ignore;             /* ignore op for register allocation */\n";
+                                       }
+                               }
+                       }
+
+                       # allocate memory and set pointer to register requirements
+                       if (exists($n{"reg_req"})) {
+                               my %req = %{ $n{"reg_req"} };
+
+                               undef my @in;
+                               @in = @{ $req{"in"} } if (exists($req{"in"}));
+                               undef my @out;
+                               @out = @{ $req{"out"} } if exists(($req{"out"}));
+
+                               $temp .= "\n  /* set IN register requirements */\n";
+                               if (@in) {
+                                       $temp .= "  attr->in_req  = ".$in_req_var.";\n";
+                               }
+                               else {
+                                       $temp .= "  attr->in_req  = NULL;\n";
+                               }
+
+                               $temp .= "\n  /* set OUT register requirements and get space for registers */\n";
+                               if (@out) {
+                                       $temp .= "  attr->out_req = ".$out_req_var.";\n";
+                                       $temp .= "  attr->slots   = xcalloc(".($#out + 1).", sizeof(attr->slots[0]));\n";
+                                       $temp .= "  attr->n_res   = ".($#out + 1).";\n";
+                               }
+                               else {
+                                       $temp .= "  attr->out_req = NULL;\n";
+                                       $temp .= "  attr->slots   = NULL;\n";
+                                       $temp .= "  attr->n_res   = 0;\n";
+                               }
+                       }
+
+                       $temp .= "\n  return res;\n";
+
+                       push(@obst_constructor, $temp);
+               }
+               else { # user defined constructor
+                       push(@obst_constructor, $n{"rd_constructor"});
+               }
+
+               # close constructor function
+               push(@obst_constructor, "}\n\n");
+
+       } # constructor creation
+
+       # set default values for state and flags if not given
+       $n{"state"}    = "floats" if (! exists($n{"state"}));
+       $n{"op_flags"} = "N"      if (! exists($n{"op_flags"}));
+
+       push(@obst_new_irop, "\n  memset(&ops, 0, sizeof(ops));\n");
+       push(@obst_new_irop, "  ops.dump_node     = dump_node_$arch;\n");
+
+       if ($cmp_attr_func) {
+               push(@obst_new_irop, "  ops.node_cmp_attr = cmp_attr_$op;\n");
+       }
+
+       $n_opcodes++;
+       $temp  = "  op_$op = new_ir_op(cur_opcode++, \"$op\", op_pin_state_".$n{"state"}.", ".$n{"op_flags"};
+       $temp .= ", ".translate_arity($arity).", 2, sizeof($arch\_attr_t), &ops);\n";
+       push(@obst_new_irop, $temp);
 }
 
 # emit the code
-my $creation_time = localtime(time());
 
 open(OUT, ">$target_c") || die("Could not open $target_c, reason: $!\n");
 
-print OUT<<ENDOFHEADER;
-/**
- * This file implements the creation of the achitecture specific firm opcodes
- * and the coresponding node constructors for the $arch assembler irg.
- * DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * date:       $creation_time
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdlib.h>
-
-#include "irprog_t.h"
-#include "irgraph_t.h"
-#include "irnode_t.h"
-#include "irmode_t.h"
-#include "ircons_t.h"
-#include "iropt_t.h"
-#include "firm_common_t.h"
-#include "irvrfy_t.h"
-
-#include "../firm2arch_nodes_attr.h"
-#include "../bearch_firm.h"
-
-#include "new_nodes.h"
-#include "dump_support.inl"
-
-/**
- * Return the tarval of an immediate operation or NULL in case of SymConst
- */
-tarval *get_Immop_tarval(ir_node *node) {
-  asmop_attr *attr = (asmop_attr *)get_irn_generic_attr(node);
-  if (attr->tp == asmop_Const)
-    return attr->data.tv;
-  else
-    return NULL;
-}
-
-/**
- * Copy the attributes from an Imm to an Immop (Add_i, Sub_i, ...) node
- */
-void set_Immop_attr(ir_node *node, ir_node *imm) {
-  asmop_attr *attr = (asmop_attr *)get_irn_generic_attr(node);
-  assert(is_Imm(imm) && "Need Imm to set Immop attr");
-
-  imm_attr_t *ia = (imm_attr_t *)get_irn_generic_attr(imm);
-  if (ia->tp == imm_Const) {
-    attr->tp      = asmop_Const;
-    attr->data.tv = ia->data.tv;
-  }
-  else {
-    attr->tp            = asmop_SymConst;
-    attr->data.symconst = ia->data.symconst;
-  }
-}
+print OUT "#include \"gen_$arch\_regalloc_if_t.h\"\n\n";
+print OUT @obst_cmp_attr;
+print OUT "\n";
+print OUT @obst_opvar;
+print OUT "\n";
+print OUT @obst_get_opvar;
+print OUT "\n";
 
-/**
- * Sets the attributes of an immediate operation to the specified tarval
- */
-void set_Immop_attr_tv(ir_node *node, tarval *tv) {
-  asmop_attr *attr = (asmop_attr *)get_irn_generic_attr(node);
+print OUT<<ENDOFISIRN;
 
-  attr->tp         = asmop_Const;
-  attr->data.tv    = tv;
-}
+static opcode ia32_opcode_start = -1;
+static opcode ia32_opcode_end   = -1;
 
-/**
- * Sets the offset for a Lea.
- */
-void set_ia32_Lea_offs(ir_node *node, tarval *offs) {
-  assert(is_ia32_Lea(node) && "Cannot set offset in non-Lea node.");
+int is_$arch\_irn(const ir_node *node) {
+  opcode opc = get_irn_opcode(node);
 
-  asmop_attr *attr  = (asmop_attr *)get_irn_generic_attr(node);
-  attr->data.offset = offs;
-}
+  assert(ia32_opcode_start > 0 && "missing opcode init");
+  assert(ia32_opcode_end > 0 && "missing opcode init");
 
-/**
- * Gets the offset for a Lea.
- */
-tarval *get_ia32_Lea_offs(ir_node *node) {
-  assert(is_ia32_Lea(node) && "Cannot get offset for a non-Lea node.");
+  if (opc > ia32_opcode_start && opc < ia32_opcode_end)
+    return 1;
 
-  asmop_attr *attr  = (asmop_attr *)get_irn_generic_attr(node);
-  return attr->data.offset;
+  return 0;
 }
 
-ENDOFHEADER
+ENDOFISIRN
 
-print OUT @obst_opvar;
-print OUT "\n";
-print OUT @obst_get_opvar;
-print OUT "\n";
 print OUT @obst_constructor;
 
 print OUT<<ENDOFMAIN;
 /**
- * Creates the architecture specific firm operations
+ * Creates the $arch specific firm operations
  * needed for the assembler irgs.
  */
-void create_bearch_asm_opcodes(void) {
+void $arch\_create_opcodes(void) {
 #define N   irop_flag_none
 #define L   irop_flag_labeled
 #define C   irop_flag_commutative
@@ -274,45 +306,52 @@ void create_bearch_asm_opcodes(void) {
 #define Y   irop_flag_forking
 #define H   irop_flag_highlevel
 #define c   irop_flag_constlike
+#define K   irop_flag_keep
 
   ir_op_ops ops;
+  int cur_opcode = get_next_ir_opcodes($n_opcodes);
 
-  memset(&ops, 0, sizeof(ops));
-
-  /* enter our modified dumper */
-  ops.dump_node = dump_node_ia32;
+  ia32_opcode_start = cur_opcode++;
 
 ENDOFMAIN
 
 print OUT @obst_new_irop;
+print OUT "\n  ia32_opcode_end = cur_opcode;\n";
 print OUT "}\n";
 
 close(OUT);
 
-$creation_time = localtime(time());
-
 open(OUT, ">$target_h") || die("Could not open $target_h, reason: $!\n");
-print OUT<<EOF;
-#ifndef NEW_NODES_H
-#define NEW_NODES_H
-
-/**
- * Function prototypes for the assembler ir node constructors.
- * DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * date:       $creation_time
- */
-
-tarval *get_Immop_tarval(ir_node *node);
-void    set_Immop_attr(ir_node *node, ir_node *imm);
-void    set_Immop_attr_tv(ir_node *node, tarval *tv);
-void    set_ia32_Lea_offs(ir_node *node, tarval *offs);
-tarval *get_ia32_Lea_offs(ir_node *node);
-
-EOF
 
+print OUT "int is_$arch\_irn(const ir_node *node);\n";
 print OUT @obst_header;
-print OUT "\n#endif\n";
 
 close(OUT);
+
+###
+# Translates numeric arity into string constant.
+###
+sub translate_arity {
+       my $arity = shift;
+
+       if ($arity =~ /^\d+$/) {
+               if    ($arity == 0) {
+                       return "oparity_zero";
+               }
+               elsif ($arity == 1) {
+                       return "oparity_unary";
+               }
+               elsif ($arity == 2) {
+                       return "oparity_binary";
+               }
+               elsif ($arity == 3) {
+                       return "oparity_trinary";
+               }
+               else {
+                       return "$arity";
+               }
+       }
+       else {
+               return "oparity_".$arity;
+       }
+}