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8 Commits

Author SHA1 Message Date
Holger Hoffstätte
48d51a1370 Fix __m128i_u / __m256i_u alignment 
Building with clang-16 complains with:
./simd-checksum-x86_64.cpp:204:25: warning: passing 1-byte aligned argument to
  16-byte aligned parameter 1 of '_mm_store_si128' may result in an unaligned pointer
  access [-Walign-mismatch]

Signed-off-by: Holger Hoffstätte <holger@applied-asynchrony.com>
 2024-11-19 21:28:39 -08:00
Wayne Davison
b81a509556 Make asm use more selectable 
- Make the SIMD ASM code off by default. Use configure --enable-simd-asm
  to enable.
- Allow MD5 ASM code to be requested even when OpenSSL is handling MD4
  checksums. Use configure --enable-md5-asm to enable.
 2022-03-03 17:00:57 -08:00
Shark64
265785b7b9 x86-64 AVX2 assemby implemenation of get_checksum1() (#174) 2021-09-26 18:16:55 -07:00
Shark64
7aa2f36317 optimize avx2 code (#102) 
Optimize avx2 code using only intrinsic functions supported by older gcc versions.
 2020-09-21 15:11:27 -07:00
Chainfire
4f539ccf21 x86-64 SIMD build fixes (#20) 
* x86-64 SIMD build fixes

configure.ac was modified to detect g++ >=5 and clang++ >=7. Additionally
some script malfunctions on FreeBSD were corrected.

The get_checksum1() code has been modified to fix clang and g++ 10
compilation.

This version of the code and configure.ac has been tested on:

Ubuntu 16 - gcc 7.3.0, clang 6.0.0
Debian 10 - gcc 5.4.0, 6.4.0, 7.2.0, 8.4.0, 9.2.1, 10.0.1, clang 5.0.2,
6.0.1, 7.0.1, 8.0.0, 9.0.0, 10.0.0
ArchLinux 20200605 - gcc 10.1.0, clang 10.0.0
FreeBSD 12.1 - gcc 9.3.0, clang 8.0.1

It is unknown if it will work on gcc 5.0-5.3, but the script currently
allows it.
 2020-06-18 13:20:44 -07:00
Wayne Davison
9dd9952138 A few style tweaks. 2020-06-01 18:38:06 -07:00
Wayne Davison
13f249a826 Silence some g++ warnings. 2020-05-29 17:24:15 -07:00
Jorrit Jongma
5fa4209ca0 AVX2 optimized version of get_checksum1() for x86-64 
Additionally restructures build switches and defines from SSE2 to SIMD,
to allow potential reuse should patches become available with SIMD
instructions for other processor architectures.

(Some minor tweaks of Jorrit's patch to avoid requiring GNU make and to
avoid C++ comments in .c files.)
 2020-05-22 11:31:31 -07:00