extended IN constraints with reference to out register

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

diff --git a/ir/be/scripts/generate_emitter.pl b/ir/be/scripts/generate_emitter.pl
index d9966ea..cf744e6 100755 (executable)
--- a/ir/be/scripts/generate_emitter.pl
+++ b/ir/be/scripts/generate_emitter.pl
@@ -33,9 +33,28 @@ my $target_h = $target_dir."/gen_".$arch."_emitter.h";
 # stacks for output
 my @obst_func;   # stack for the emit functions
 my @obst_header;  # stack for the function prototypes
-
 my $line;
 
+# some default emitter functions (Copy, Perm)
+
+$line  = "#undef is_ia32_Perm\n";
+$line .= "#define is_ia32_Perm(irn) (arch_irn_classify(arch_env, irn) == arch_irn_class_perm && ! is_Proj(irn))\n";
+$line .= "#undef is_ia32_Copy\n";
+$line .= "#define is_ia32_Copy(irn) (arch_irn_classify(arch_env, irn) == arch_irn_class_copy)\n";
+push(@obst_header, $line."\n");
+
+$line = "void emit_".$arch."_Copy(ir_node *n, emit_env_t *env)";
+push(@obst_header, $line.";\n");
+$line .= " {\n  FILE *F = env->out;\n";
+$line .= '  lc_efprintf(ia32_get_arg_env(), F, "\tmov %1S, %1D\t\t\t/* %+F */\n", n, n, n);'."\n}\n\n";
+push(@obst_func, $line);
+
+$line = "void emit_".$arch."_Perm(ir_node *n, emit_env_t *env)";
+push(@obst_header, $line.";\n");
+$line .= " {\n  FILE *F = env->out;\n";
+$line .= '  lc_efprintf(ia32_get_arg_env(), F, "\txchg %1S, %1D\t\t\t/* %+F */\n", n, n, n);'."\n}\n\n";
+push(@obst_func, $line);
+
 foreach my $op (keys(%nodes)) {
   my %n = %{ $nodes{"$op"} };
 
@@ -67,43 +86,43 @@ foreach my $op (keys(%nodes)) {
       # remove indent, dot and trailing spaces
       $template =~ s/^\d*\.\s*//;
       # substitute all format parameter
-      while ($template =~ /\%(([asd])(\d)|([com]))/) {
+      while ($template =~ /\%(([ASD])(\d)|([COM]))/) {
         $res  .= $`;      # get everything before the match
         $res2 .= $`;
 
-        if ($4 && $4 eq "c") {
+        if ($4 && $4 eq "C") {
           push(@params, "n");
-          $res  .= "\%c";
-          $res2 .= "\%c";
+          $res  .= "\%C";
+          $res2 .= "\%C";
         }
-        elsif ($4 && $4 eq "o") {
+        elsif ($4 && $4 eq "O") {
           push(@params, "n");
-          $res  .= "\%o";
-          $res2 .= "\%o";
+          $res  .= "\%O";
+          $res2 .= "\%O";
         }
-        elsif ($4 && $4 eq "m") {
+        elsif ($4 && $4 eq "M") {
           push(@params, "n");
-          $res  .= "\%m";
-          $res2 .= "\%m";
+          $res  .= "\%M";
+          $res2 .= "\%M";
         }
-        elsif ($2 && $2 eq "s") {
+        elsif ($2 && $2 eq "S") {
           push(@params, "n");
           if ($cio && $3 == 2) {
             # check_in_out was set: if (s1 != d1) we
             # need to exchange s2 by s1
-            $res2 .= "%1s"; # get name for first register
+            $res2 .= "%1S"; # get name for first register
           }
           else {
-            $res2 .= "%".$3."s"; # substitute %sx with %xs
+            $res2 .= "%".$3."S"; # substitute %sx with %xs
           }
-          $res .= "%".$3."s"; # substitute %sx with %xs
+          $res .= "%".$3."S"; # substitute %sx with %xs
         }
-        elsif ($2 && $2 eq "d") {
+        elsif ($2 && $2 eq "D") {
           push(@params, "n");
-          $res  .= "%".$3."d"; # substitute %sx with %xs
-          $res2 .= "%".$3."d"; # substitute %sx with %xs
+          $res  .= "%".$3."D"; # substitute %sx with %xs
+          $res2 .= "%".$3."D"; # substitute %sx with %xs
         }
-        elsif ($2 && $2 eq "a") {
+        elsif ($2 && $2 eq "A") {
           push(@params, "get_irn_n(n, ".($3 - 1).")");
           $res  .= "%+F";
           $res2 .= "%+F";
@@ -118,7 +137,7 @@ foreach my $op (keys(%nodes)) {
       $parm = ", ".join(", ", @params) if (@params);
 
       if ($cio) {
-        push(@obst_func, $indent."if (get_irn_arity(n) > 1 && get_$arch\_in_regnr(n, 1) == get_$arch\_out_regnr(n, 0)) {\n");
+        push(@obst_func, $indent."if (get_irn_arity(n) > 1 && get_$arch\_reg_nr(n, 1, 1) == get_$arch\_reg_nr(n, 0, 0)) {\n");
         push(@obst_func, $indent.'  lc_efprintf(ia32_get_arg_env(), F, "\t'.$res2.'\n"'.$parm.');'."\n");
         push(@obst_func, $indent."}\n");
         push(@obst_func, $indent."else {\n");