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libbb/sha1: code shrink in medium-speed version

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function                                             old     new   delta
sha1_process_block64                                 654     641     -13

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2022-01-02 01:56:35 +01:00
parent 4d4f1f2096
commit 5c0c558231
1 changed files with 2 additions and 2 deletions
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4
libbb/hash_md5_sha.c
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@ -1121,7 +1121,7 @@ static void FAST_FUNC sha1_process_block64(sha1_ctx_t *ctx)
* see what the value will be).
* """
*/
#if defined(__i386__)
#if defined(__GNUC__) && defined(__i386__)
# define DO_NOT_TRY_PROPAGATING(m) asm("":"+m"(m))
#else
# define DO_NOT_TRY_PROPAGATING(m) ((void)0)
@ -1212,7 +1212,7 @@ static void FAST_FUNC sha1_process_block64(sha1_ctx_t *ctx)
c = rotl32(b, 30);
b = a;
a = work;
n = (n + 1) & 15;
n = (n + 1) /* & 15*/;
} while (n != 4);
/* 2nd round of 20 operations */
j = 19;