1 files changed, 434 insertions, 0 deletions
diff --git a/lib/libcrypto/perlasm/alpha.pl b/lib/libcrypto/perlasm/alpha.pl
new file mode 100644
index 000000000..fe69ca5a3
--- /dev/null
+++ b/lib/libcrypto/perlasm/alpha.pl
@@ -0,0 +1,434 @@
+#!/usr/bin/perl
+
+package alpha;
+use Carp qw(croak cluck);
+
+$label="100";
+
+$n_debug=0;
+$smear_regs=1;
+$reg_alloc=1;
+
+$align="3";
+$com_start="#";
+
+sub main'asm_init_output { @out=(); }
+sub main'asm_get_output { return(@out); }
+sub main'get_labels { return(@labels); }
+sub main'external_label { push(@labels,@_); }
+
+# General registers
+
+%regs=(	'r0',	'$0',
+	'r1',	'$1',
+	'r2',	'$2',
+	'r3',	'$3',
+	'r4',	'$4',
+	'r5',	'$5',
+	'r6',	'$6',
+	'r7',	'$7',
+	'r8',	'$8',
+	'r9',	'$22',
+	'r10',	'$23',
+	'r11',	'$24',
+	'r12',	'$25',
+	'r13',	'$27',
+	'r14',	'$28',
+	'r15',	'$21', # argc == 5
+	'r16',	'$20', # argc == 4
+	'r17',	'$19', # argc == 3
+	'r18',	'$18', # argc == 2
+	'r19',	'$17', # argc == 1
+	'r20',	'$16', # argc == 0
+	'r21',	'$9',  # save 0
+	'r22',	'$10', # save 1
+	'r23',	'$11', # save 2
+	'r24',	'$12', # save 3
+	'r25',	'$13', # save 4
+	'r26',	'$14', # save 5
+
+	'a0',	'$16',
+	'a1',	'$17',
+	'a2',	'$18',
+	'a3',	'$19',
+	'a4',	'$20',
+	'a5',	'$21',
+
+	's0',	'$9',
+	's1',	'$10',
+	's2',	'$11',
+	's3',	'$12',
+	's4',	'$13',
+	's5',	'$14',
+	'zero',	'$31',
+	'sp',	'$30',
+	);
+
+$main'reg_s0="r21";
+$main'reg_s1="r22";
+$main'reg_s2="r23";
+$main'reg_s3="r24";
+$main'reg_s4="r25";
+$main'reg_s5="r26";
+
+@reg=(  '$0', '$1' ,'$2' ,'$3' ,'$4' ,'$5' ,'$6' ,'$7' ,'$8',
+	'$22','$23','$24','$25','$20','$21','$27','$28');
+
+
+sub main'sub	{ &out3("subq",@_); }
+sub main'add	{ &out3("addq",@_); }
+sub main'mov	{ &out3("bis",$_[0],$_[0],$_[1]); }
+sub main'or	{ &out3("bis",@_); }
+sub main'bis	{ &out3("bis",@_); }
+sub main'br	{ &out1("br",@_); }
+sub main'ld	{ &out2("ldq",@_); }
+sub main'st	{ &out2("stq",@_); }
+sub main'cmpult	{ &out3("cmpult",@_); }
+sub main'cmplt	{ &out3("cmplt",@_); }
+sub main'bgt	{ &out2("bgt",@_); }
+sub main'ble	{ &out2("ble",@_); }
+sub main'blt	{ &out2("blt",@_); }
+sub main'mul	{ &out3("mulq",@_); }
+sub main'muh	{ &out3("umulh",@_); }
+
+$main'QWS=8;
+
+sub main'asm_add
+	{
+	push(@out,@_);
+	}
+
+sub main'asm_finish
+	{
+	&main'file_end();
+	print &main'asm_get_output();
+	}
+
+sub main'asm_init
+	{
+	($type,$fn)=@_;
+	$filename=$fn;
+
+	&main'asm_init_output();
+	&main'comment("Don't even think of reading this code");
+	&main'comment("It was automatically generated by $filename");
+	&main'comment("Which is a perl program used to generate the alpha assember.");
+	&main'comment("eric <eay\@cryptsoft.com>");
+	&main'comment("");
+
+	$filename =~ s/\.pl$//;
+	&main'file($filename);
+	}
+
+sub conv
+	{
+	local($r)=@_;
+	local($v);
+
+	return($regs{$r}) if defined($regs{$r});
+	return($r);
+	}
+
+sub main'QWPw
+	{
+	local($off,$reg)=@_;
+
+	return(&main'QWP($off*8,$reg));
+	}
+
+sub main'QWP
+	{
+	local($off,$reg)=@_;
+
+	$ret="$off(".&conv($reg).")";
+	return($ret);
+	}
+
+sub out3
+	{
+	local($name,$p1,$p2,$p3)=@_;
+
+	$p1=&conv($p1);
+	$p2=&conv($p2);
+	$p3=&conv($p3);
+	push(@out,"\t$name\t");
+	$l=length($p1)+1;
+	push(@out,$p1.",");
+	$ll=3-($l+9)/8;
+	$tmp1=sprintf("\t" x $ll);
+	push(@out,$tmp1);
+
+	$l=length($p2)+1;
+	push(@out,$p2.",");
+	$ll=3-($l+9)/8;
+	$tmp1=sprintf("\t" x $ll);
+	push(@out,$tmp1);
+
+	push(@out,&conv($p3)."\n");
+	}
+
+sub out2
+	{
+	local($name,$p1,$p2,$p3)=@_;
+
+	$p1=&conv($p1);
+	$p2=&conv($p2);
+	push(@out,"\t$name\t");
+	$l=length($p1)+1;
+	push(@out,$p1.",");
+	$ll=3-($l+9)/8;
+	$tmp1=sprintf("\t" x $ll);
+	push(@out,$tmp1);
+
+	push(@out,&conv($p2)."\n");
+	}
+
+sub out1
+	{
+	local($name,$p1)=@_;
+
+	$p1=&conv($p1);
+	push(@out,"\t$name\t".$p1."\n");
+	}
+
+sub out0
+	{
+	push(@out,"\t$_[0]\n");
+	}
+
+sub main'file
+	{
+	local($file)=@_;
+
+	local($tmp)=<<"EOF";
+ # DEC Alpha assember
+ # Generated from perl scripts contains in SSLeay
+	.file	1 "$file.s"
+	.set noat
+EOF
+	push(@out,$tmp);
+	}
+
+sub main'function_begin
+	{
+	local($func)=@_;
+
+print STDERR "$func\n";
+	local($tmp)=<<"EOF";
+	.text
+	.align $align
+	.globl $func
+	.ent $func
+${func}:
+${func}..ng:
+	.frame \$30,0,\$26,0
+	.prologue 0
+EOF
+	push(@out,$tmp);
+	$stack=0;
+	}
+
+sub main'function_end
+	{
+	local($func)=@_;
+
+	local($tmp)=<<"EOF";
+	ret	\$31,(\$26),1
+	.end $func
+EOF
+	push(@out,$tmp);
+	$stack=0;
+	%label=();
+	}
+
+sub main'function_end_A
+	{
+	local($func)=@_;
+
+	local($tmp)=<<"EOF";
+	ret	\$31,(\$26),1
+EOF
+	push(@out,$tmp);
+	}
+
+sub main'function_end_B
+	{
+	local($func)=@_;
+
+	$func=$under.$func;
+
+	push(@out,"\t.end $func\n");
+	$stack=0;
+	%label=();
+	}
+
+sub main'wparam
+	{
+	local($num)=@_;
+
+	if ($num < 6)
+		{
+		$num=20-$num;
+		return("r$num");
+		}
+	else
+		{ return(&main'QWP($stack+$num*8,"sp")); }
+	}
+
+sub main'stack_push
+	{
+	local($num)=@_;
+	$stack+=$num*8;
+	&main'sub("sp",$num*8,"sp");
+	}
+
+sub main'stack_pop
+	{
+	local($num)=@_;
+	$stack-=$num*8;
+	&main'add("sp",$num*8,"sp");
+	}
+
+sub main'swtmp
+	{
+	return(&main'QWP(($_[0])*8,"sp"));
+	}
+
+# Should use swtmp, which is above sp.  Linix can trash the stack above esp
+#sub main'wtmp
+#	{
+#	local($num)=@_;
+#
+#	return(&main'QWP(-($num+1)*4,"esp","",0));
+#	}
+
+sub main'comment
+	{
+	foreach (@_)
+		{
+		if (/^\s*$/)
+			{ push(@out,"\n"); }
+		else
+			{ push(@out,"\t$com_start $_ $com_end\n"); }
+		}
+	}
+
+sub main'label
+	{
+	if (!defined($label{$_[0]}))
+		{
+		$label{$_[0]}=$label;
+		$label++;
+		}
+	return('$'.$label{$_[0]});
+	}
+
+sub main'set_label
+	{
+	if (!defined($label{$_[0]}))
+		{
+		$label{$_[0]}=$label;
+		$label++;
+		}
+#	push(@out,".align $align\n") if ($_[1] != 0);
+	push(@out,'$'."$label{$_[0]}:\n");
+	}
+
+sub main'file_end
+	{
+	}
+
+sub main'data_word
+	{
+	push(@out,"\t.long $_[0]\n");
+	}
+
+@pool_free=();
+@pool_taken=();
+$curr_num=0;
+$max=0;
+
+sub main'init_pool
+	{
+	local($args)=@_;
+	local($i);
+
+	@pool_free=();
+	for ($i=(14+(6-$args)); $i >= 0; $i--)
+		{
+		push(@pool_free,"r$i");
+		}
+	print STDERR "START :register pool:@pool_free\n";
+	$curr_num=$max=0;
+	}
+
+sub main'fin_pool
+	{
+	printf STDERR "END %2d:register pool:@pool_free\n",$max;
+	}
+
+sub main'GR
+	{
+	local($r)=@_;
+	local($i,@n,$_);
+
+	foreach (@pool_free)
+		{
+		if ($r ne $_)
+			{ push(@n,$_); }
+		else
+			{
+			$curr_num++;
+			$max=$curr_num if ($curr_num > $max);
+			}
+		}
+	@pool_free=@n;
+print STDERR "GR:@pool_free\n" if $reg_alloc;
+	return(@_);
+	}
+
+sub main'NR
+	{
+	local($num)=@_;
+	local(@ret);
+
+	$num=1 if $num == 0;
+	($#pool_free >= ($num-1)) || croak "out of registers: want $num, have @pool_free";
+	while ($num > 0)
+		{
+		push(@ret,pop @pool_free);
+		$curr_num++;
+		$max=$curr_num if ($curr_num > $max);
+		$num--
+		}
+	print STDERR "nr @ret\n" if $n_debug;
+print STDERR "NR:@pool_free\n" if $reg_alloc;
+	return(@ret);
+
+	}
+
+sub main'FR
+	{
+	local(@r)=@_;
+	local(@a,$v,$w);
+
+	print STDERR "fr @r\n" if $n_debug;
+#	cluck "fr @r";
+	for $w (@pool_free)
+		{
+		foreach $v (@r)
+			{
+			croak "double register free of $v (@pool_free)" if $w eq $v;
+			}
+		}
+	foreach $v (@r)
+		{
+		croak "bad argument to FR" if ($v !~ /^r\d+$/);
+		if ($smear_regs)
+			{ unshift(@pool_free,$v); }
+		else	{ push(@pool_free,$v); }
+		$curr_num--;
+		}
+print STDERR "FR:@pool_free\n" if $reg_alloc;
+	}
+1;