Commit 31efffbd authored by Andy Polyakov's avatar Andy Polyakov
Browse files

Trap condition should be 64-bit when it's due.

parent aaa5dc61

crypto/bn/asm/ppc.pl

+3 −1
Original line number Diff line number Diff line
@@ -124,6 +124,7 @@ if ($opf =~ /32\.s/) { 
	$CLRU=	"clrlwi";	# clear upper bits

	$INSR=	"insrwi";	# insert right

	$ROTL=	"rotlwi";	# rotate left by immediate

	$TR=	"tw";		# conditional trap

} elsif ($opf =~ /64\.s/) {

	$BITS=	64;

	$BNSZ=	$BITS/8;
@@ -147,6 +148,7 @@ if ($opf =~ /32\.s/) { 
	$CLRU=	"clrldi";	# clear upper bits

	$INSR=	"insrdi";	# insert right 

	$ROTL=	"rotldi";	# rotate left by immediate

	$TR=	"td";		# conditional trap

} else { die "nonsense $opf"; }



( defined shift || open STDOUT,">$opf" ) || die "can't open $opf: $!";
@@ -1715,7 +1717,7 @@ Lppcasm_div1: 
	bc	BO_IF,CR0_EQ,Lppcasm_div2	#proceed if no leading zeros

	subf	r8,r7,r8		#r8 = BN_num_bits_word(d)

	$SHR.	r9,r3,r8		#are there any bits above r8'th?

	tw	16,r9,r0		#if there're, signal to dump core...

	$TR	16,r9,r0		#if there're, signal to dump core...

Lppcasm_div2:

	$UCMP	0,r3,r5			#h>=d?

	bc	BO_IF,CR0_LT,Lppcasm_div3	#goto Lppcasm_div3 if not