perlasm/x86_64-xlate.pl: add support for AVX512 OPMASK-ing.
authorAndy Polyakov <appro@openssl.org>
Wed, 14 Dec 2016 12:34:47 +0000 (13:34 +0100)
committerAndy Polyakov <appro@openssl.org>
Thu, 15 Dec 2016 16:57:45 +0000 (17:57 +0100)
Reviewed-by: Richard Levitte <levitte@openssl.org>
crypto/perlasm/x86_64-xlate.pl

index 4298b3f..1ae2442 100755 (executable)
@@ -130,7 +130,7 @@ my %globals;
                $self->{sz} = "";
            } elsif ($self->{op} =~ /^p/ && $' !~ /^(ush|op|insrw)/) { # SSEn
                $self->{sz} = "";
-           } elsif ($self->{op} =~ /^v/) { # VEX
+           } elsif ($self->{op} =~ /^[vk]/) { # VEX or k* such as kmov
                $self->{sz} = "";
            } elsif ($self->{op} =~ /mov[dq]/ && $$line =~ /%xmm/) {
                $self->{sz} = "";
@@ -229,12 +229,13 @@ my %globals;
        my      $ret;
 
        # optional * ----vvv--- appears in indirect jmp/call
-       if ($$line =~ /^(\*?)([^\(,]*)\(([%\w,]+)\)/) {
+       if ($$line =~ /^(\*?)([^\(,]*)\(([%\w,]+)\)((?:{[^}]+})*)/) {
            bless $self, $class;
            $self->{asterisk} = $1;
            $self->{label} = $2;
            ($self->{base},$self->{index},$self->{scale})=split(/,/,$3);
            $self->{scale} = 1 if (!defined($self->{scale}));
+           $self->{pred} = $4;
            $ret = $self;
            $$line = substr($$line,@+[0]); $$line =~ s/^\s+//;
 
@@ -284,12 +285,14 @@ my %globals;
            $self->{label} =~ s/^___imp_/__imp__/   if ($flavour eq "mingw64");
 
            if (defined($self->{index})) {
-               sprintf "%s%s(%s,%%%s,%d)",$self->{asterisk},
-                                       $self->{label},
+               sprintf "%s%s(%s,%%%s,%d)%s",
+                                       $self->{asterisk},$self->{label},
                                        $self->{base}?"%$self->{base}":"",
-                                       $self->{index},$self->{scale};
+                                       $self->{index},$self->{scale},
+                                       $self->{pred};
            } else {
-               sprintf "%s%s(%%%s)",   $self->{asterisk},$self->{label},$self->{base};
+               sprintf "%s%s(%%%s)%s", $self->{asterisk},$self->{label},
+                                       $self->{base},$self->{pred};
            }
        } else {
            my %szmap = (       b=>"BYTE$PTR",  w=>"WORD$PTR",
@@ -308,17 +311,20 @@ my %globals;
            ($mnemonic =~ /^vpbroadcast([qdwb])$/)      && ($sz=$1)  ||
            ($mnemonic =~ /^v(?!perm)[a-z]+[fi]128$/)   && ($sz="x");
 
+           $self->{pred}  =~ s/%(k[0-7])/$1/;
+
            if (defined($self->{index})) {
-               sprintf "%s[%s%s*%d%s]",$szmap{$sz},
+               sprintf "%s[%s%s*%d%s]%s",$szmap{$sz},
                                        $self->{label}?"$self->{label}+":"",
                                        $self->{index},$self->{scale},
-                                       $self->{base}?"+$self->{base}":"";
+                                       $self->{base}?"+$self->{base}":"",
+                                       $self->{pred};
            } elsif ($self->{base} eq "rip") {
                sprintf "%s[%s]",$szmap{$sz},$self->{label};
            } else {
-               sprintf "%s[%s%s]",$szmap{$sz},
+               sprintf "%s[%s%s]%s",   $szmap{$sz},
                                        $self->{label}?"$self->{label}+":"",
-                                       $self->{base};
+                                       $self->{base},$self->{pred};
            }
        }
     }
@@ -330,10 +336,11 @@ my %globals;
        my      $ret;
 
        # optional * ----vvv--- appears in indirect jmp/call
-       if ($$line =~ /^(\*?)%(\w+)/) {
+       if ($$line =~ /^(\*?)%(\w+)((?:{[^}]+})*)/) {
            bless $self,$class;
            $self->{asterisk} = $1;
            $self->{value} = $2;
+           $self->{pred} = $3;
            $opcode->size($self->size());
            $ret = $self;
            $$line = substr($$line,@+[0]); $$line =~ s/^\s+//;
@@ -357,8 +364,11 @@ my %globals;
     }
     sub out {
        my $self = shift;
-       if ($gas)       { sprintf "%s%%%s",$self->{asterisk},$self->{value}; }
-       else            { $self->{value}; }
+       if ($gas)       { sprintf "%s%%%s%s",   $self->{asterisk},
+                                               $self->{value},
+                                               $self->{pred}; }
+       else            { $self->{pred} =~ s/%(k[0-7])/$1/;
+                         $self->{value}.$self->{pred}; }
     }
 }
 { package label;       # pick up labels, which end with :