openssl/crypto/loongarch_arch.h
zhuchen 7f2d6188c7 Add LoongArch64 cpuid and OPENSSL_loongarchcap_P
Loongarch64 architecture defines 128 bit vector extension lsx and 256 bit
vector extension lasx. The cpucfg instruction can be used to obtain whether
the CPU has a corresponding extension. This part of code is added to prepare
for the subsequent addition of corresponding vector instruction optimization.

Signed-off-by: zhuchen <zhuchen@loongson.cn>

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19364)
2022-10-12 18:02:12 +11:00

18 lines
565 B
C

/*
* Copyright 2022 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_LOONGARCH_ARCH_H
# define OSSL_CRYPTO_LOONGARCH_ARCH_H
extern unsigned int OPENSSL_loongarchcap_P;
# define LOONGARCH_CFG2 0x02
# define LOONGARCH_CFG2_LSX (1<<6)
# define LOONGARCH_CFG2_LASX (1<<7)
#endif