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| author | Andy Polyakov <appro@openssl.org> | 2016-09-09 16:33:22 +0200 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2016-10-24 20:00:08 +0200 |
| commit | 0310becc82d240288a4ab5c6656c10c18cab4454 (patch) | |
| tree | 486ec2c57051af0e1ea85595e8f50436ef214582 | |
| parent | 413b6a82594ab45192dda233a77efe5637d656d6 (diff) | |
| download | openssl-0310becc82d240288a4ab5c6656c10c18cab4454.zip openssl-0310becc82d240288a4ab5c6656c10c18cab4454.tar.gz openssl-0310becc82d240288a4ab5c6656c10c18cab4454.tar.bz2 | |
bn/asm/ppc-mont.pl: prepare for extension.
Reviewed-by: Rich Salz <rsalz@openssl.org>
| -rw-r--r-- | crypto/bn/asm/ppc-mont.pl | 43 |
1 files changed, 24 insertions, 19 deletions
diff --git a/crypto/bn/asm/ppc-mont.pl b/crypto/bn/asm/ppc-mont.pl index 7a25b1e..8676567 100644 --- a/crypto/bn/asm/ppc-mont.pl +++ b/crypto/bn/asm/ppc-mont.pl @@ -86,31 +86,34 @@ open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!"; $sp="r1"; $toc="r2"; -$rp="r3"; $ovf="r3"; +$rp="r3"; $ap="r4"; $bp="r5"; $np="r6"; $n0="r7"; $num="r8"; -$rp="r9"; # $rp is reassigned -$aj="r10"; -$nj="r11"; -$tj="r12"; + +{ +my $ovf=$rp; +my $rp="r9"; # $rp is reassigned +my $aj="r10"; +my $nj="r11"; +my $tj="r12"; # non-volatile registers -$i="r20"; -$j="r21"; -$tp="r22"; -$m0="r23"; -$m1="r24"; -$lo0="r25"; -$hi0="r26"; -$lo1="r27"; -$hi1="r28"; -$alo="r29"; -$ahi="r30"; -$nlo="r31"; +my $i="r20"; +my $j="r21"; +my $tp="r22"; +my $m0="r23"; +my $m1="r24"; +my $lo0="r25"; +my $hi0="r26"; +my $lo1="r27"; +my $hi1="r28"; +my $alo="r29"; +my $ahi="r30"; +my $nlo="r31"; # -$nhi="r0"; +my $nhi="r0"; $code=<<___; .machine "any" @@ -333,7 +336,9 @@ Lcopy: ; copy or in-place refresh .byte 0,12,4,0,0x80,12,6,0 .long 0 .size .bn_mul_mont_int,.-.bn_mul_mont_int - +___ +} +$code.=<<___; .asciz "Montgomery Multiplication for PPC, CRYPTOGAMS by <appro\@openssl.org>" ___ |