Update copyright year

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11616)

Also check for errors in x86_64-xlate.pl.

In https://github.com/openssl/openssl/pull/10883, I'd meant to exclude
the perlasm drivers since they aren't opening pipes and do not
partic

Also check for errors in x86_64-xlate.pl.

In https://github.com/openssl/openssl/pull/10883, I'd meant to exclude
the perlasm drivers since they aren't opening pipes and do not
particularly need it, but I only noticed x86_64-xlate.pl, so
arm-xlate.pl and ppc-xlate.pl got the change.

That seems to have been fine, so be consistent and also apply the change
to x86_64-xlate.pl. Checking for errors is generally a good idea.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: David Benjamin <davidben@google.com>
(Merged from https://github.com/openssl/openssl/pull/10930)

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Do not silently truncate files on perlasm errors

If one of the perlasm xlate drivers crashes, OpenSSL's build will
currently swallow the error and silently truncate the output to however

Do not silently truncate files on perlasm errors

If one of the perlasm xlate drivers crashes, OpenSSL's build will
currently swallow the error and silently truncate the output to however
far the driver got. This will hopefully fail to build, but better to
check such things.

Handle this by checking for errors when closing STDOUT (which is a pipe
to the xlate driver).

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/10883)

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Unify all assembler file generators

They now generally conform to the following argument sequence:

script.pl "$(PERLASM_SCHEME)" [ C preprocessor arguments ... ] \

Unify all assembler file generators

They now generally conform to the following argument sequence:

script.pl "$(PERLASM_SCHEME)" [ C preprocessor arguments ... ] \
$(PROCESSOR) <output file>

However, in the spirit of being able to use these scripts manually,
they also allow for no argument, or for only the flavour, or for only
the output file. This is done by only using the last argument as
output file if it's a file (it has an extension), and only using the
first argument as flavour if it isn't a file (it doesn't have an
extension).

While we're at it, we make all $xlate calls the same, i.e. the $output
argument is always quoted, and we always die on error when trying to
start $xlate.

There's a perl lesson in this, regarding operator priority...

This will always succeed, even when it fails:

open FOO, "something" || die "ERR: $!";

The reason is that '||' has higher priority than list operators (a
function is essentially a list operator and gobbles up everything
following it that isn't lower priority), and since a non-empty string
is always true, so that ends up being exactly the same as:

open FOO, "something";

This, however, will fail if "something" can't be opened:

open FOO, "something" or die "ERR: $!";

The reason is that 'or' has lower priority that list operators,
i.e. it's performed after the 'open' call.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9884)

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Following the license change, modify the boilerplates in crypto/chacha/

[skip ci]

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pu

Following the license change, modify the boilerplates in crypto/chacha/

[skip ci]

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7781)

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chacha/asm/chacha-ppc.pl: fix big-endian build.

It's kind of a "brown-bag" bug, as I did recognize the problem and
verified an ad-hoc solution, but failed to follow up with cross-checks

chacha/asm/chacha-ppc.pl: fix big-endian build.

It's kind of a "brown-bag" bug, as I did recognize the problem and
verified an ad-hoc solution, but failed to follow up with cross-checks
prior filing previous merge request.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6435)

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chacha/asm/chacha-ppc.pl: improve performance by 40/80% on POWER8/9.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6419)

chacha/asm/chacha-ppc.pl: improve POWER8 performance by 15%.

This comes at cost of minor 2.5% regression on G4, which is reasonable
trade-off. [Further improve compliance with ABI requir

chacha/asm/chacha-ppc.pl: improve POWER8 performance by 15%.

This comes at cost of minor 2.5% regression on G4, which is reasonable
trade-off. [Further improve compliance with ABI requirements.]

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6406)

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PPC assembly pack: correct POWER9 results.

As it turns out originally published results were skewed by "turbo"
mode. VM apparently remains oblivious to dynamic frequency scaling,
and

PPC assembly pack: correct POWER9 results.

As it turns out originally published results were skewed by "turbo"
mode. VM apparently remains oblivious to dynamic frequency scaling,
and reports that processor operates at "base" frequency at all times.
While actual frequency gets increased under load.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6406)

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chacha/asm/chacha-ppc.pl: optimize AltiVec/VMX code path.

32-bit vector rotate instruction was defined from beginning, it
not being used from the start must be a brain-slip...

R

chacha/asm/chacha-ppc.pl: optimize AltiVec/VMX code path.

32-bit vector rotate instruction was defined from beginning, it
not being used from the start must be a brain-slip...

Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6363)

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Update copyright year

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6371)

PPC assembly pack: add POWER9 results.

Reviewed-by: Rich Salz <rsalz@openssl.org>

PPC assembler pack: add some PPC970/G5 performance data.

Reviewed-by: Rich Salz <rsalz@openssl.org>

Remove trailing whitespace from some files.

The prevailing style seems to not have trailing whitespace, but a few
lines do. This is mostly in the perlasm files, but a few C files got

Remove trailing whitespace from some files.

The prevailing style seems to not have trailing whitespace, but a few
lines do. This is mostly in the perlasm files, but a few C files got
them after the reformat. This is the result of:

find . -name '*.pl' | xargs sed -E -i '' -e 's/( |'$'\t'')*$//'
find . -name '*.c' | xargs sed -E -i '' -e 's/( |'$'\t'')*$//'
find . -name '*.h' | xargs sed -E -i '' -e 's/( |'$'\t'')*$//'

Then bn_prime.h was excluded since this is a generated file.

Note mkerr.pl has some changes in a heredoc for some help output, but
other lines there lack trailing whitespace too.

Reviewed-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>

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chacha/asm/chacha-ppc.pl: add missing .text directive.

RT#4667

Reviewed-by: Rich Salz <rsalz@openssl.org>

Add OpenSSL copyright to .pl files

Reviewed-by: Richard Levitte <levitte@openssl.org>

chacha/asm/chacha-ppc.pl: get misalignment corner case right on big-endian.

Reviewed-by: Richard Levitte <levitte@openssl.org>

chacha/asm/chacha-ppc.pl: fix typo.

RT#4365

Reviewed-by: Rich Salz <rsalz@openssl.org>

PPC assembly pack: add ChaCha20 and Poly1305 modules.

Reviewed-by: Richard Levitte <levitte@openssl.org>