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Add SHA256 implementation using using Intel SHA intrinsics

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This commit is contained in:
Pieter Wuille
2018-06-24 10:50:40 -07:00
parent 268400d318
commit 4c935e2eee
5 changed files with 438 additions and 0 deletions
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24
configure.ac
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@@ -319,6 +319,7 @@ fi
AX_CHECK_COMPILE_FLAG([-msse4.2],[[SSE42_CXXFLAGS="-msse4.2"]],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-msse4.1],[[SSE41_CXXFLAGS="-msse4.1"]],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-mavx -mavx2],[[AVX2_CXXFLAGS="-mavx -mavx2"]],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-msse4 -msha],[[SHANI_CXXFLAGS="-msse4 -msha"]],,[[$CXXFLAG_WERROR]])
TEMP_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $SSE42_CXXFLAGS"
@@ -380,6 +381,27 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
)
CXXFLAGS="$TEMP_CXXFLAGS"
TEMP_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $SHANI_CXXFLAGS"
AC_MSG_CHECKING(for SHA-NI intrinsics)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdint.h>
#if defined(_MSC_VER)
#include <immintrin.h>
#elif defined(__GNUC__)
#include <x86intrin.h>
#endif
]],[[
__m128i i = _mm_set1_epi32(0);
__m128i j = _mm_set1_epi32(1);
__m128i k = _mm_set1_epi32(2);
return _mm_extract_epi32(_mm_sha256rnds2_epu32(i, i, k), 0);
]])],
[ AC_MSG_RESULT(yes); enable_shani=yes; AC_DEFINE(ENABLE_SHANI, 1, [Define this symbol to build code that uses SHA-NI intrinsics]) ],
[ AC_MSG_RESULT(no)]
)
CXXFLAGS="$TEMP_CXXFLAGS"
CPPFLAGS="$CPPFLAGS -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS"
AC_ARG_WITH([utils],
@@ -1300,6 +1322,7 @@ AM_CONDITIONAL([HARDEN],[test x$use_hardening = xyes])
AM_CONDITIONAL([ENABLE_HWCRC32],[test x$enable_hwcrc32 = xyes])
AM_CONDITIONAL([ENABLE_SSE41],[test x$enable_sse41 = xyes])
AM_CONDITIONAL([ENABLE_AVX2],[test x$enable_avx2 = xyes])
AM_CONDITIONAL([ENABLE_SHANI],[test x$enable_shani = xyes])
AM_CONDITIONAL([USE_ASM],[test x$use_asm = xyes])
AC_DEFINE(CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MAJOR, [Major version])
@@ -1344,6 +1367,7 @@ AC_SUBST(SANITIZER_LDFLAGS)
AC_SUBST(SSE42_CXXFLAGS)
AC_SUBST(SSE41_CXXFLAGS)
AC_SUBST(AVX2_CXXFLAGS)
AC_SUBST(SHANI_CXXFLAGS)
AC_SUBST(LIBTOOL_APP_LDFLAGS)
AC_SUBST(USE_UPNP)
AC_SUBST(USE_QRCODE)