diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 7396ac74e8..42d8bb76ea 100644 --- a/configure.ac +++ b/configure.ac @@ -305,6 +305,7 @@ fi # compatibility. 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"]],,[[$CXXFLAG_WERROR]]) TEMP_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $SSE42_CXXFLAGS" @@ -347,6 +348,25 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ) CXXFLAGS="$TEMP_CXXFLAGS" +TEMP_CXXFLAGS="$CXXFLAGS" +CXXFLAGS="$CXXFLAGS $AVX2_CXXFLAGS" +AC_MSG_CHECKING(for AVX2 intrinsics) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + #include <stdint.h> + #if defined(_MSC_VER) + #include <immintrin.h> + #elif defined(__GNUC__) && defined(__AVX2__) + #include <x86intrin.h> + #endif + ]],[[ + __m256i l = _mm256_set1_epi32(0); + return _mm256_extract_epi32(l, 7); + ]])], + [ AC_MSG_RESULT(yes); enable_avx2=yes; AC_DEFINE(ENABLE_AVX2, 1, [Define this symbol to build code that uses AVX2 intrinsics]) ], + [ AC_MSG_RESULT(no)] +) +CXXFLAGS="$TEMP_CXXFLAGS" + CPPFLAGS="$CPPFLAGS -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS" AC_ARG_WITH([utils], @@ -1266,6 +1286,7 @@ AM_CONDITIONAL([GLIBC_BACK_COMPAT],[test x$use_glibc_compat = xyes]) 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([USE_ASM],[test x$use_asm = xyes]) AC_DEFINE(CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MAJOR, [Major version]) @@ -1305,6 +1326,7 @@ AC_SUBST(SANITIZER_CXXFLAGS) AC_SUBST(SANITIZER_LDFLAGS) AC_SUBST(SSE42_CXXFLAGS) AC_SUBST(SSE41_CXXFLAGS) +AC_SUBST(AVX2_CXXFLAGS) AC_SUBST(LIBTOOL_APP_LDFLAGS) AC_SUBST(USE_UPNP) AC_SUBST(USE_QRCODE) |