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https://github.com/netwide-assembler/nasm.git
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d15bb009f6
The Intel FMA instructions are destructive, so relaxed forms are not appropriate. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
64 lines
1.5 KiB
Perl
Executable File
64 lines
1.5 KiB
Perl
Executable File
#!/usr/bin/perl
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%packed_insns = (
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'vfmadd' => 0x98,
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'vfmaddsub' => 0x96,
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'vfmsubadd' => 0x97,
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'vfmsub' => 0x9a,
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'vfnmadd' => 0x9c,
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'vfnmsub' => 0x9e
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);
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%scalar_insns = (
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'vfmadd' => 0x99,
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'vfmsub' => 0x9b,
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'vfnmadd' => 0x9d,
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'vfnmsub' => 0x9f
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);
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foreach $pi ( sort(keys(%packed_insns)) ) {
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$op = $packed_insns{$pi};
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foreach $order ('132', '213', '231') {
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$xorder = substr($order,1,1).substr($order,0,1).substr($order,2,1);
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foreach $o ($order, $xorder) {
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for ($w = 0; $w < 2; $w++) {
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$suf = $w ? 'pd' : 'ps';
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for ($l = 128; $l <= 256; $l <<= 1) {
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$sx = ($l == 256) ? 'SY' : 'SO';
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$mm = ($l == 256) ? 'ymm' : 'xmm';
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printf "%-15s %-31s %-8s%-39s %s\n",
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"\U${pi}${o}${suf}",
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"${mm}reg,${mm}reg,${mm}rm",
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"[rvm:",
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sprintf("vex.dds.%d.66.0f38.w%d %02x /r]",
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$l, $w, $op),
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"FMA,FUTURE,${sx}";
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}
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}
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}
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$op += 0x10;
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}
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}
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foreach $si ( sort(keys(%scalar_insns)) ) {
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$op = $scalar_insns{$si};
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foreach $order ('132', '213', '231') {
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$xorder = substr($order,1,1).substr($order,0,1).substr($order,2,1);
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foreach $o ($order, $xorder) {
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for ($w = 0; $w < 2; $w++) {
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$suf = $w ? 'sd' : 'ss';
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$sx = $w ? 'SQ' : 'SD';
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$l = 128;
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$mm = 'xmm';
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printf "%-15s %-31s %-8s%-39s %s\n",
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"\U${si}${o}${suf}",
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"${mm}reg,${mm}reg,${mm}rm",
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'[rvm:',
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sprintf("vex.dds.%d.66.0f38.w%d %02x /r]",
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$l, $w, $op),
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"FMA,FUTURE,${sx}";
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}
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}
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$op += 0x10;
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}
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}
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