regs.pl: add comments to regflags.c and regvals.c

Add comments to regflags.c and regvals.c, to make it easier to spot
errors.

diff --git a/regs.pl b/regs.pl
index 9c0d96e..49a34c6 100755 (executable)
--- a/regs.pl
+++ b/regs.pl
@@ -116,21 +116,24 @@ if ( $fmt eq 'h' ) {
     print "#include \"tables.h\"\n";
     print "#include \"nasm.h\"\n\n";
     print "const int32_t nasm_reg_flags[] = {\n";
-    print "    0";             # Dummy entry for 0
+    printf "    0,\n";         # Dummy entry for 0
     foreach $reg ( sort(keys(%regs)) ) {
-       print ",\n    ", $regs{$reg}; # Print the class of the register
+       # Print the class of the register
+       printf "    %-15s /* %-5s */\n",
+               $regs{$reg}.',', $reg;
     }
-    print "\n};\n";
+    print "};\n";
 } elsif ( $fmt eq 'vc' ) {
     # Output regvals.c
     print "/* automatically generated from $file - do not edit */\n\n";
     print "#include \"tables.h\"\n\n";
     print "const int nasm_regvals[] = {\n";
-    print "    -1";            # Dummy entry for 0
+    print "    -1,\n";         # Dummy entry for 0
     foreach $reg ( sort(keys(%regs)) ) {
-       printf ",\n    %2d", $regvals{$reg}; # Print the regval of the register
+       # Print the x86 value of the register
+       printf "    %2d,  /* %-5s */\n", $regvals{$reg}, $reg;
     }
-    print "\n};\n";
+    print "};\n";
 } elsif ( $fmt eq 'dc' ) {
     # Output regdis.c
     print "/* automatically generated from $file - do not edit */\n\n";