Add support for SPARC T4 DES opcode.

[openssl.git] / crypto / perlasm / sparcv9_modes.pl

diff --git a/crypto/perlasm/sparcv9_modes.pl b/crypto/perlasm/sparcv9_modes.pl
index 363da32d594d42259942fc647459f0887f31a824..a13ffcec2d1d870eb917c35386d3267266134490 100644 (file)
--- a/crypto/perlasm/sparcv9_modes.pl
+++ b/crypto/perlasm/sparcv9_modes.pl
@@ -1582,6 +1582,63 @@ my %movxopf = (  "movdtox"       => 0x110,
     }
 }
 
+sub undes {
+my ($mnemonic)=shift;
+my @args=@_;
+my ($ref,$opf);
+my %desopf = ( "des_round"     => 0b1001,
+               "des_ip"        => 0b100110100,
+               "des_iip"       => 0b100110101,
+               "des_kexpand"   => 0b100110110  );
+
+    $ref = "$mnemonic\t".join(",",@_);
+
+    if (defined($opf=$desopf{$mnemonic})) {    # 4-arg
+       if ($mnemonic eq "des_round") {
+           foreach (@args[0..3]) {
+               return $ref if (!/%f([0-9]{1,2})/);
+               $_=$1;
+               if ($1>=32) {
+                   return $ref if ($1&1);
+                   # re-encode for upper double register addressing
+                   $_=($1|$1>>5)&31;
+               }
+           }
+           return  sprintf ".word\t0x%08x !%s",
+                           2<<30|0b011001<<19|$opf<<5|$args[0]<<14|$args[1]|$args[2]<<9|$args[3]<<25,
+                           $ref;
+       } elsif ($mnemonic eq "des_kexpand") {  # 3-arg
+           foreach (@args[0..2]) {
+               return $ref if (!/(%f)?([0-9]{1,2})/);
+               $_=$2;
+               if ($2>=32) {
+                   return $ref if ($2&1);
+                   # re-encode for upper double register addressing
+                   $_=($2|$2>>5)&31;
+               }
+           }
+           return  sprintf ".word\t0x%08x !%s",
+                           2<<30|0b110110<<19|$opf<<5|$args[0]<<14|$args[1]|$args[2]<<25,
+                           $ref;
+       } else {                                # 2-arg
+           foreach (@args[0..1]) {
+               return $ref if (!/%f([0-9]{1,2})/);
+               $_=$1;
+               if ($1>=32) {
+                   return $ref if ($2&1);
+                   # re-encode for upper double register addressing
+                   $_=($1|$1>>5)&31;
+               }
+           }
+           return  sprintf ".word\t0x%08x !%s",
+                           2<<30|0b110110<<19|$opf<<5|$args[0]<<14|$args[1]<<25,
+                           $ref;
+       }
+    } else {
+       return $ref;
+    }
+}
+
 sub emit_assembler {
     foreach (split("\n",$::code)) {
        s/\`([^\`]*)\`/eval $1/ge;
@@ -1600,6 +1657,9 @@ sub emit_assembler {
        s/\b(camellia_[^s]+)\s+(%f[0-9]{1,2}),\s*(%f[0-9]{1,2}),\s*(%f[0-9]{1,2})/
                &uncamellia3($1,$2,$3,$4)
         /geo or
+       s/\b(des_\w+)\s+(?<rs1>%f[0-9]{1,2}),\s*(?<rs2>[%fx0-9]+)(,\s*(?<rs3>%f[0-9]{1,2})(,\s*(?<rs4>%f[0-9]{1,2}))?)?/
+               &undes($1,$+{rs1},$+{rs2},$+{rs3},$+{rs4})
+        /geo or
        s/\b(mov[ds]to\w+)\s+(%f[0-9]{1,2}),\s*(%[goli][0-7])/
                &unmovxtox($1,$2,$3)
         /geo or