The sh1dc implementation is making unaligned accesses, which will crash
on some architectures, others have to emulate them in software.

Breakpoint 4, sha1_compression_states (ihv=0x600ffffffffe7010, 
    m=<optimized out>, W=0x600ffffffffe70a8, states=0x600ffffffffe7328)
    at sha1dc/sha1.c:398
398             SHA1COMPRESS_FULL_ROUND2_STEP(e, a, b, c, d, W, 21, temp);
(gdb) n
403             SHA1COMPRESS_FULL_ROUND2_STEP(d, e, a, b, c, W, 22, temp);
(gdb) 
408             SHA1COMPRESS_FULL_ROUND2_STEP(c, d, e, a, b, W, 23, temp);
(gdb) 
413             SHA1COMPRESS_FULL_ROUND2_STEP(b, c, d, e, a, W, 24, temp);
(gdb) 
418             SHA1COMPRESS_FULL_ROUND2_STEP(a, b, c, d, e, W, 25, temp);
(gdb) 
291             SHA1COMPRESS_FULL_ROUND1_STEP_LOAD(a, b, c, d, e, m, W, 0, 
temp);
(gdb) 
git(21728): unaligned access to 0x600000000009f8d5, ip=0x40000000003336d0
423             SHA1COMPRESS_FULL_ROUND2_STEP(e, a, b, c, d, W, 26, temp);

Andreas.

-- 
Andreas Schwab, SUSE Labs, sch...@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

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