From 0fcb905b0dc55ea219e7d4ab2e52bc6dd15e18ba Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Sat, 29 Dec 2007 18:50:44 +0000
Subject: [PATCH] ppc-xlate.pl update.

---
 crypto/perlasm/ppc-xlate.pl | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/crypto/perlasm/ppc-xlate.pl b/crypto/perlasm/ppc-xlate.pl
index fed56e3772..43adfaca53 100755
--- a/crypto/perlasm/ppc-xlate.pl
+++ b/crypto/perlasm/ppc-xlate.pl
@@ -84,8 +84,29 @@ my $cmplw = sub {
 };
 my $bdnz = sub {
     my $f = shift;
-    my $bo = $f=~/[\+\-]/ ? 17 : 16;
+    my $bo = $f=~/[\+\-]/ ? 16+9 : 16;	# optional "to be taken" hint
     "	bc	$bo,0,".shift;
+} if ($flavour!~/linux/);
+my $bltlr = sub {
+    my $f = shift;
+    my $bo = $f=~/\-/ ? 12+2 : 12;	# optional "not to be taken" hint
+    ($flavour =~ /linux/) ?		# GNU as doesn't allow most recent hints
+	"	.long	".sprintf "0x%x",19<<26|$bo<<21|16<<1 :
+	"	bclr	$bo,0";
+};
+my $bnelr = sub {
+    my $f = shift;
+    my $bo = $f=~/\-/ ? 4+2 : 4;	# optional "not to be taken" hint
+    ($flavour =~ /linux/) ?		# GNU as doesn't allow most recent hints
+	"	.long	".sprintf "0x%x",19<<26|$bo<<21|2<<16|16<<1 :
+	"	bclr	$bo,2";
+};
+# GNU assembler can't handle extrdi rA,rS,16,48, or when sum of last two
+# arguments is 64, with "operand out of range" error.
+my $extrdi = sub {
+    my ($f,$ra,$rs,$n,$b) = @_;
+    $b = ($b+$n)&63; $n = 64-$n;
+    "	rldicl	$ra,$rs,$b,$n";
 };
 
 while($line=<>) {
@@ -112,7 +133,7 @@ while($line=<>) {
 	my $mnemonic = $2;
 	my $f = $3;
 	my $opcode = eval("\$$mnemonic");
-	$line =~ s|\bc?r([0-9]+)\b|$1|g if ($c ne "." and $flavour !~ /osx/);
+	$line =~ s|\bc?[rf]([0-9]+)\b|$1|g if ($c ne "." and $flavour !~ /osx/);
 	if (ref($opcode) eq 'CODE') { $line = &$opcode($f,split(',',$line)); }
 	elsif ($mnemonic)           { $line = $c.$mnemonic.$f."\t".$line; }
     }
-- 
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