misc/genfma.pl

   1 #!/usr/bin/perl
   2 %packed_insns = (
   3     'vfmadd'    => 0x98,
   4     'vfmaddsub' => 0x96,
   5     'vfmsubadd' => 0x97,
   6     'vfmsub'    => 0x9a,
   7     'vfnmadd'   => 0x9c,
   8     'vfnmsub'   => 0x9e
   9     );
  10
  11 %scalar_insns = (
  12     'vfmadd'    => 0x99,
  13     'vfmsub'    => 0x9b,
  14     'vfnmadd'   => 0x9d,
  15     'vfnmsub'   => 0x9f
  16     );
  17
  18 foreach $pi ( sort(keys(%packed_insns)) ) {
  19     $op = $packed_insns{$pi};
  20     foreach $order ('132', '213', '231') {
  21         $xorder = substr($order,1,1).substr($order,0,1).substr($order,2,1);
  22         foreach $o ($order, $xorder) {
  23             for ($w = 0; $w < 2; $w++) {
  24                 $suf = $w  ? 'pd' : 'ps';
  25                 for ($l = 128; $l <= 256; $l <<= 1) {
  26                     $sx  = ($l == 256) ? 'SY' : 'SO';
  27                     $mm  = ($l == 256) ? 'ymm' : 'xmm';
  28                     printf "%-15s %-31s %-8s%-39s %s\n",
  29                         "\U${pi}${o}${suf}",
  30                         "${mm}reg,${mm}reg,${mm}rm",
  31                         "[rvm:",
  32                         sprintf("vex.dds.%d.66.0f38.w%d %02x /r]",
  33                             $l, $w, $op),
  34                     "FMA,FUTURE,${sx}";
  35                 }
  36             }
  37         }
  38         $op += 0x10;
  39     }
  40 }
  41
  42 foreach $si ( sort(keys(%scalar_insns)) ) {
  43     $op = $scalar_insns{$si};
  44     foreach $order ('132', '213', '231') {
  45         $xorder = substr($order,1,1).substr($order,0,1).substr($order,2,1);
  46         foreach $o ($order, $xorder) {
  47             for ($w = 0; $w < 2; $w++) {
  48                 $suf = $w ? 'sd' : 'ss';
  49                 $sx  = $w ? 'SQ' : 'SD';
  50                 $l  = 128;
  51                 $mm  = 'xmm';
  52                 printf "%-15s %-31s %-8s%-39s %s\n",
  53                     "\U${si}${o}${suf}",
  54                     "${mm}reg,${mm}reg,${mm}rm",
  55                     '[rvm:',
  56                     sprintf("vex.dds.%d.66.0f38.w%d %02x /r]",
  57                         $l, $w, $op),
  58                 "FMA,FUTURE,${sx}";
  59             }
  60         }
  61         $op += 0x10;
  62     }
  63 }