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-rw-r--r--configure.ac44
1 files changed, 44 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 1ffef1527b..af60b28c71 100644
--- a/configure.ac
+++ b/configure.ac
@@ -312,6 +312,8 @@ fi
# be compiled with them, rather that specific objects/libs may use them after checking for runtime
# 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 $SSE42_CXXFLAGS"
@@ -335,6 +337,44 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
)
CXXFLAGS="$TEMP_CXXFLAGS"
+TEMP_CXXFLAGS="$CXXFLAGS"
+CXXFLAGS="$CXXFLAGS $SSE41_CXXFLAGS"
+AC_MSG_CHECKING(for SSE4.1 intrinsics)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <stdint.h>
+ #if defined(_MSC_VER)
+ #include <immintrin.h>
+ #elif defined(__GNUC__)
+ #include <x86intrin.h>
+ #endif
+ ]],[[
+ __m128i l = _mm_set1_epi32(0);
+ return _mm_extract_epi32(l, 3);
+ ]])],
+ [ AC_MSG_RESULT(yes); enable_sse41=yes; AC_DEFINE(ENABLE_SSE41, 1, [Define this symbol to build code that uses SSE4.1 intrinsics]) ],
+ [ AC_MSG_RESULT(no)]
+)
+CXXFLAGS="$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="$CPPFLAGS -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS"
AC_ARG_WITH([utils],
@@ -1253,6 +1293,8 @@ AM_CONDITIONAL([USE_LCOV],[test x$use_lcov = xyes])
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])
@@ -1295,6 +1337,8 @@ AC_SUBST(PIE_FLAGS)
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)