openssl/include/crypto/ppc_arch.h
Deepankar Bhattacharjee f596bbe4da chacha20 performance optimizations for ppc64le with 8x lanes,
Performance increase around 50%.

Co-authored-by: Madhusudhanan Duraisamy <madurais@in.ibm.com>

Co-authored-by: Nilamjyoti Goswami <nilamgoswami@in.ibm.com>

Co-authored-by: Siva Sundar Anbareeswaran <srisivasundar@in.ibm.com>

Reviewed-by: Danny Tsen <dtsen@us.ibm.com>
Tested-by: Danny Tsen <dtsen@us.ibm.com>
Signed-off-by: Danny <dtsen@us.ibm.com>

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16637)
2022-02-22 16:58:55 +11:00

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/*
* Copyright 2014-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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
*/
#ifndef OSSL_CRYPTO_PPC_ARCH_H
# define OSSL_CRYPTO_PPC_ARCH_H
extern unsigned int OPENSSL_ppccap_P;
/*
* Flags' usage can appear ambiguous, because they are set rather
* to reflect OpenSSL performance preferences than actual processor
* capabilities.
*/
# define PPC_FPU64 (1<<0)
# define PPC_ALTIVEC (1<<1)
# define PPC_CRYPTO207 (1<<2)
# define PPC_FPU (1<<3)
# define PPC_MADD300 (1<<4)
# define PPC_MFTB (1<<5)
# define PPC_MFSPR268 (1<<6)
# define PPC_BRD31 (1<<7)
#endif