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* cipher/sha512-avx-amd64.S: Enable when
HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS defined.
(ELF): New macro to mask lines with ELF specific commands.
* cipher/sha512-avx-bmi2-amd64.S: Ditto.
* cipher/sha512-ssse3-amd64.S: Ditto.
* cipher/sha512.c (USE_SSSE3, USE_AVX, USE_AVX2): Enable when
HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS defined.
[USE_SSSE3 || USE_AVX || USE_AVX2] (ASM_FUNC_ABI)
(ASM_EXTRA_STACK): New.
(_gcry_sha512_transform_amd64_ssse3, _gcry_sha512_transform_amd64_avx)
(_gcry_sha512_transform_amd64_avx_bmi2): Add ASM_FUNC_ABI to
prototypes.
(transform): Add ASM_EXTRA_STACK to stack burn value.
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Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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* cipher/sha256-ssse3-amd64.S: Clear used XMM/YMM registers at return.
* cipher/sha512-avx-amd64.S: Ditto.
* cipher/sha512-avx2-bmi2-amd64.S: Ditto.
* cipher/sha512-ssse3-amd64.S: Ditto.
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Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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* cipher/Makefile.am: Add 'sha512-ssse3-amd64.S'.
* cipher/sha512-ssse3-amd64.S: New.
* cipher/sha512.c (USE_SSSE3): New.
(SHA512_CONTEXT) [USE_SSSE3]: Add 'use_ssse3'.
(sha512_init, sha384_init) [USE_SSSE3]: Initialize 'use_ssse3'.
[USE_SSSE3] (_gcry_sha512_transform_amd64_ssse3): New.
(transform) [USE_SSSE3]: Call SSSE3 implementation.
* configure.ac (sha512): Add 'sha512-ssse3-amd64.lo'.
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Patch adds fast SSSE3 implementation of SHA-512 by Intel Corporation. The
assembly source is licensed under 3-clause BSD license, thus compatible
with LGPL2.1+. Original source can be accessed at:
http://www.intel.com/p/en_US/embedded/hwsw/technology/packet-processing#docs
Implementation is described in white paper
"Fast SHA512 Implementations on Intel® Architecture Processors"
http://www.intel.com/content/www/us/en/intelligent-systems/intel-technology/fast-sha512-implementations-ia-processors-paper.html
Benchmarks:
cpu Old New Diff
Intel i5-4570 10.11 c/B 7.56 c/B 1.33x
Intel i5-2450M 14.11 c/B 10.53 c/B 1.33x
Intel Core2 T8100 11.92 c/B 10.22 c/B 1.16x
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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