diff options
author | Richard Levitte <levitte@openssl.org> | 2016-11-08 23:55:51 +0100 |
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committer | Richard Levitte <levitte@openssl.org> | 2016-11-09 02:40:36 +0100 |
commit | e3fb4d3d52e188b83ccb8506aa2f16cb686f4d6c (patch) | |
tree | f093a2ba5c1b541978ffff92e4af061c093038b7 /crypto/bn | |
parent | 12ccb021be9e1c4c947e020ea2079e985b329a8a (diff) | |
download | openssl-e3fb4d3d52e188b83ccb8506aa2f16cb686f4d6c.tar.gz |
Move algorithm specific ppccap code from crypto/ppccap.c
Having that code in one central object file turned out to cause
trouble when building test/modes_internal_test.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1883)
Diffstat (limited to 'crypto/bn')
-rw-r--r-- | crypto/bn/bn_ppccap.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/crypto/bn/bn_ppccap.c b/crypto/bn/bn_ppccap.c new file mode 100644 index 0000000000..ad8041a8e6 --- /dev/null +++ b/crypto/bn/bn_ppccap.c @@ -0,0 +1,42 @@ +/* + * Copyright 2009-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <openssl/opensslconf.h> +#include <openssl/bn.h> +#include "../ppc_arch.h" + +#ifndef OPENSSL_BN_ASM_MONT +NON_EMPTY_TRANSLATION_UNIT +#else +int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, + const BN_ULONG *np, const BN_ULONG *n0, int num) +{ + int bn_mul_mont_int(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, + const BN_ULONG *np, const BN_ULONG *n0, int num); + int bn_mul4x_mont_int(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, + const BN_ULONG *np, const BN_ULONG *n0, int num); + + if (num < 4) + return 0; + + if ((num & 3) == 0) + return bn_mul4x_mont_int(rp, ap, bp, np, n0, num); + + /* + * There used to be [optional] call to bn_mul_mont_fpu64 here, + * but above subroutine is faster on contemporary processors. + * Formulation means that there might be old processors where + * FPU code path would be faster, POWER6 perhaps, but there was + * no opportunity to figure it out... + */ + + return bn_mul_mont_int(rp, ap, bp, np, n0, num); +} +#endif + |