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Add ROTATE inline asm support for SM3

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And move ROTATE inline asm to header.

Now this benefits SM3, SHA (when with Zbb only and no Zknh)
and other hash functions

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18287)
This commit is contained in:
Hongren (Zenithal) Zheng 2022-05-11 17:18:27 +08:00 committed by Tomas Mraz
parent 7ae2bc9df6
commit eea820f3e2
2 changed files with 30 additions and 8 deletions
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16
crypto/sm3/sm3_local.h
View File

@ -57,14 +57,14 @@ void ossl_sm3_transform(SM3_CTX *c, const unsigned char *data);
# if defined(__GNUC__) && __GNUC__>=2 && \
!defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
# if defined(__riscv_zksh)
# define P0(x) ({ MD32_REG_T ret; \
asm ("sm3p0 %0, %1" \
: "=r"(ret) \
: "r"(x)); ret; })
# define P1(x) ({ MD32_REG_T ret; \
asm ("sm3p1 %0, %1" \
: "=r"(ret) \
: "r"(x)); ret; })
# define P0(x) ({ MD32_REG_T ret; \
asm ("sm3p0 %0, %1" \
: "=r"(ret) \
: "r"(x)); ret; })
# define P1(x) ({ MD32_REG_T ret; \
asm ("sm3p1 %0, %1" \
: "=r"(ret) \
: "r"(x)); ret; })
# endif
# endif
#endif

22
include/crypto/md32_common.h
View File

@ -99,6 +99,28 @@
# define ROTATE(a,n) (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
#ifndef PEDANTIC
# if defined(__GNUC__) && __GNUC__>=2 && \
!defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
# if defined(__riscv_zbb) || defined(__riscv_zbkb)
# if __riscv_xlen == 64
# undef ROTATE
# define ROTATE(x, n) ({ MD32_REG_T ret; \
asm ("roriw %0, %1, %2" \
: "=r"(ret) \
: "r"(x), "i"(32 - (n))); ret;})
# endif
# if __riscv_xlen == 32
# undef ROTATE
# define ROTATE(x, n) ({ MD32_REG_T ret; \
asm ("rori %0, %1, %2" \
: "=r"(ret) \
: "r"(x), "i"(32 - (n))); ret;})
# endif
# endif
# endif
#endif
# if defined(DATA_ORDER_IS_BIG_ENDIAN)
# define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++)))<<24), \