Filippo Valsorda d75fb40e52 crypto/internal/fips/sha3: reduce s390x divergence
It's a little annoying, but we can fit the IBM instructions on top of
the regular state, avoiding more intrusive interventions.

Going forward we should not accept assembly that replaces the whole
implementation, because it doubles the work to do any refactoring like
the one in this chain.

Also, it took me a while to find the specification of these
instructions, which should have been linked from the source for the next
person who'd have to touch this.

Finally, it's really painful to test this without a LUCI TryBot, per #67307.

For #69536

Change-Id: I90632a90f06b2aa2e863967de972b12dbaa5b2ae
Reviewed-on: https://go-review.googlesource.com/c/go/+/617359
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Roland Shoemaker <roland@golang.org>
2024-10-28 14:55:21 +00:00
2024-09-23 14:25:08 +00:00
2024-08-09 14:54:31 +00:00
2024-07-22 17:45:27 +00:00

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