X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fscripts%2Fgenerate_new_opcodes.pl;h=a628d696f2bebdbfc55317f3ffdb5f33d5eae78c;hb=1161999117f5c0f56b3af2dc9bb7150e03761905;hp=443f8fb2c49e33f0dd3883e1fecdfddc168cffa5;hpb=9a2be45c725fd80845f9e857cd217d9a4a35f35f;p=libfirm

diff --git a/ir/be/scripts/generate_new_opcodes.pl b/ir/be/scripts/generate_new_opcodes.pl
index 443f8fb2c..a628d696f 100755
--- a/ir/be/scripts/generate_new_opcodes.pl
+++ b/ir/be/scripts/generate_new_opcodes.pl
@@ -15,10 +15,8 @@ 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 $additional_opcodes;
 our %nodes;
 
 # include spec file
@@ -27,13 +25,17 @@ 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);
+#print Dumper(%operands);
 
 # create c code file from specs
 
@@ -41,161 +43,323 @@ my @obst_opvar;       # stack for the "ir_op *op_<arch>_<op-name> = NULL;" state
 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_enum_op;     # stack for creating the <arch>_opcode enum
 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 @obst_proj;        # stack for the pn_ numbers
 my $orig_op;
 my $arity;
+my $cmp_attr_func;
+my $temp;
+my $n_opcodes = 0;    # number of opcodes
+
+# for registering additional opcodes
+$n_opcodes += $additional_opcodes if (defined($additional_opcodes));
 
-push(@obst_header, "void create_bearch_asm_opcodes(void);");
+push(@obst_header, "void ".$arch."_create_opcodes(void);\n");
 
+push(@obst_enum_op, "typedef enum _$arch\_opcodes {\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");
-
-  $n{"comment"} =~ s/^"|"$//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 ($n{"args"} eq "DEFAULT") { # default args
-    if ($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, $temp.";\n");
-
-  # emit constructor code
-  if ($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
-  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), NULL);\n";
-  push(@obst_new_irop, $temp);
+	my %n = %{ $nodes{"$op"} };
+	my $tuple = 0;
+	my $n_res = 0;
+
+	# 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;
+	$temp    = "";
+
+	if (exists($n{"outs"})) {
+		undef my @outs;
+		@outs = @{ $n{"outs"} };
+		push(@obst_proj, "\nenum pn_$op {\n");
+		for (my $idx = 0; $idx <= $#outs; $idx++) {
+			push(@obst_proj, "  pn_$op\_".$outs[$idx]." = $idx,\n");
+		}
+		push(@obst_proj, "};\n");
+		$tuple = 1;
+	}
+
+	push(@obst_opvar, "ir_op *op_$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_$op(node)");
+
+	push(@obst_header, "extern ir_op *op_$op;\n");
+	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;
+			}
+			if ($tuple == 0) {
+				$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"};
+			}
+		}
+
+		# we have additional attribute arguements
+		if (exists($n{"attr"})) {
+			$complete_args .= ", ".$n{"attr"};
+		}
+
+		# $complete_args = substr($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  = "  ir_node *res;\n";
+			$temp .= "  ir_node *in[$arity];\n" if ($arity > 0);
+			$temp .= "  int flags = 0;\n";
+			$temp .= "  $arch\_attr_t *attr;\n" if (exists($n{"init_attr"}));
+
+			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".$i.";\n";
+			}
+
+			# set flags
+			if (exists($n{"irn_flags"})) {
+				foreach my $flag (split(/\|/, $n{"irn_flags"})) {
+					if ($flag eq "R") {
+						$temp .= "  flags |= arch_irn_flags_rematerializable;   /* op can be easily recalculated */\n";
+					}
+					elsif ($flag eq "N") {
+						$temp .= "  flags |= arch_irn_flags_dont_spill;         /* op is NOT spillable */\n";
+					}
+					elsif ($flag eq "I") {
+						$temp .= "  flags |= arch_irn_flags_ignore;             /* ignore op for register allocation */\n";
+					}
+				}
+			}
+
+			my $in_param;
+			my $out_param;
+			# allocate memory and set pointer to register requirements
+			if (exists($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"}));
+
+				if (@in) {
+					$in_param = $in_req_var;
+				}
+				else {
+					$in_param = "NULL";
+				}
+
+				if (@out) {
+					$out_param = $out_req_var.", ".($#out + 1);
+					$n_res     = $#out;
+				}
+				else {
+					$out_param = "NULL, 0";
+				}
+			}
+			$temp .= "\n  /* create node */\n";
+			my $mode = "mode";
+			if ($tuple == 1) {
+				$mode = "mode_T";
+			}
+			$temp .= "  res = new_ir_node(db, irg, block, op_$op, $mode, $arity, ".($arity > 0 ? "in" : "NULL").");\n";
+
+			$temp .= "\n  /* init node attributes */\n";
+			$temp .= "  init_$arch\_attributes(res, flags, $in_param, $out_param);\n";
+
+			if (exists($n{"init_attr"})) {
+				$temp .= "  attr = get_$arch\_attr(res);\n";
+				$temp .= $n{"init_attr"}."\n";
+			}
+
+			$temp .= "\n  /* optimize node */\n";
+			$temp .= "  res = optimize_node(res);\n";
+			$temp .= "  irn_vrfy_irg(res, irg);\n\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     = $arch\_dump_node;\n");
+
+	if ($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 + iro_$op, \"$op\", op_pin_state_".$n{"state"}.", ".$n{"op_flags"};
+	$temp .= "|M, ".translate_arity($arity).", 0, sizeof($arch\_attr_t) + $n_res * sizeof(arch_register_t *), &ops);\n";
+	push(@obst_new_irop, $temp);
+	push(@obst_enum_op, "  iro_$op,\n");
 }
+push(@obst_enum_op, "  iro_$arch\_last_generated,\n");
+push(@obst_enum_op, "  iro_$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");
 
 # 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:       $creation_time
- */
+print OUT "#include \"gen_$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";
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+print OUT<<ENDOFISIRN;
 
-#include <stdlib.h>
+static int $arch\_opcode_start = -1;
+static int $arch\_opcode_end   = -1;
 
-#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"
+/** Return the opcode number of the first $arch opcode. */
+int get_$arch\_opcode_first(void) {
+  return $arch\_opcode_start;
+}
 
-#include "../firm2arch_nodes_attr.h"
+/** Return the opcode number of the last $arch opcode + 1. */
+int get_$arch\_opcode_last(void) {
+  return $arch\_opcode_end;
+}
 
-#include "new_nodes.h"
+/** Return non-zero if the given node is a $arch machine node. */
+int is_$arch\_irn(const ir_node *node) {
+  unsigned opc = (unsigned)get_irn_opcode(node);
 
-ENDOFHEADER
+  assert($arch\_opcode_start > 0 && "missing opcode init");
+  assert($arch\_opcode_end > 0 && "missing opcode init");
+
+  if (opc - (unsigned)$arch\_opcode_start < (unsigned)($arch\_opcode_end - $arch\_opcode_start))
+    return 1;
+
+  return 0;
+}
+
+int get_$arch\_irn_opcode(const ir_node *node) {
+  assert(is_$arch\_irn(node));
+  return get_irn_opcode(node) - $arch\_opcode_start;
+}
+
+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 machine operations
  * needed for the assembler irgs.
  */
-void create_bearch_asm_opcodes(void) {
+void $arch\_create_opcodes(void) {
 #define N   irop_flag_none
 #define L   irop_flag_labeled
 #define C   irop_flag_commutative
@@ -205,32 +369,66 @@ void create_bearch_asm_opcodes(void) {
 #define Y   irop_flag_forking
 #define H   irop_flag_highlevel
 #define c   irop_flag_constlike
+#define K   irop_flag_keep
+#define M   irop_flag_machine
+#define O   irop_flag_machine_op
+#define R   (irop_flag_user << 0)
+
+  ir_op_ops ops;
+  int cur_opcode = get_next_ir_opcodes(iro_$arch\_last);
 
+  $arch\_opcode_start = cur_opcode;
 ENDOFMAIN
 
 print OUT @obst_new_irop;
+print OUT "\n";
+print OUT "  $arch\_register_additional_opcodes(cur_opcode);\n" if (defined($additional_opcodes));
+print OUT "  $arch\_opcode_end = cur_opcode + iro_$arch\_last";
+print OUT " + $additional_opcodes" if (defined($additional_opcodes));
+print OUT ";\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
- */
-
-EOF
 
+print OUT "#ifndef __GEN_$arch\_NEW_NODES_H__\n";
+print OUT "#define __GEN_$arch\_NEW_NODES_H__\n\n";
+print OUT @obst_enum_op;
+print OUT "int is_$arch\_irn(const ir_node *node);\n\n";
+print OUT "int get_$arch\_opcode_first(void);\n";
+print OUT "int get_$arch\_opcode_last(void);\n";
+print OUT "int get_$arch\_irn_opcode(const ir_node *node);\n";
 print OUT @obst_header;
-print OUT "\n#endif\n";
+print OUT @obst_proj;
+print OUT "\n#endif /* __GEN_$arch\_NEW_NODES_H__ */\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;
+	}
+}