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configure.ac
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configure.ac
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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
#
###############################################################################
# Init autoconf
###############################################################################
AC_PREREQ([2.69])
AC_INIT([Pairwise Sequence Alignment Library],
[m4_esyscmd([./version.sh])],
[jeffrey.daily@gmail.com],
[parasail])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_HEADER([config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([parasail.h])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
# This lets us use PACKAGE_VERSION in Makefiles
AC_SUBST([PACKAGE_VERSION])
# Libtool -version-info (ABI version)
#
# Don't change this unless you know exactly what you're doing and have read and
# understand:
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
#
# Changes:
#
# parasail version 1.0.0: 1:0:0 (ABI version 1)
# parasail version 1.0.1: 1:1:0 (ABI version 1)
# parasail version 1.0.2: 1:2:0 (ABI version 1)
# parasail version 1.0.3: 1:3:0 (ABI version 1)
# parasail version 1.1.0: 1:4:0 (ABI version 1)
# parasail version 1.1.1: 1:5:0 (ABI version 1)
# parasail version 1.1.2: 1:5:0 (ABI version 1) no change
# parasail version 1.2.0: 2:0:0 (ABI version 2)
# parasail version 1.3.0: 2:0:0 (ABI version 2) no change
# parasail version 1.3.1: 2:0:0 (ABI version 2) no change
# parasail version 2.0.0: 3:0:0 (ABI version 3)
# parasail version 2.0.1: 3:1:0 (ABI version 3)
# parasail version 2.0.2: 3:2:0 (ABI version 3)
# parasail version 2.0.3: 3:2:0 (ABI version 3) no change
# parasail version 2.0.4: 3:3:0 (ABI version 3)
# parasail version 2.0.5: 3:4:0 (ABI version 3)
# parasail version 2.0.6: 3:5:0 (ABI version 3)
# parasail version 2.1.0: 3:6:0 (ABI version 3)
# parasail version 2.1.1: 4:0:1 (ABI version 4) added functions
# parasail version 2.1.2: 4:1:1 (ABI version 4)
# parasail version 2.1.3: 4:1:1 (ABI version 4) no change
# parasail version 2.1.4: 4:2:1 (ABI version 4)
# parasail version 2.1.5: 4:2:1 (ABI version 4) no change
# parasail version 2.2.0: 5:0:2 (ABI version 5) added functions
# parasail version 2.3.0: 6:0:3 (ABI version 6) added functions
# parasail version 2.4.0: 7:0:4 (ABI version 7) added functions
# parasail version 2.4.1: 7:1:4 (ABI version 7)
# parasail version 2.4.2: 7:2:4 (ABI version 7)
# parasail version 2.4.3: 7:2:4 (ABI version 7) no change
#
# libparasail -version-info current:revision:age
LTVER="7:2:4"
AC_SUBST([LTVER])
###############################################################################
# Init automake
###############################################################################
AM_INIT_AUTOMAKE([color-tests foreign parallel-tests silent-rules subdir-objects])
# Don't emit "rebuild rules" for configure, Makefile.ins, etc.
AM_MAINTAINER_MODE
###############################################################################
# Platform identity
###############################################################################
AC_CANONICAL_HOST
is_power_isa=0
AS_CASE(["$host_cpu"],
[*powerpc*|*ppc*], [is_power_isa=1])
AM_CONDITIONAL([IS_POWER_ISA], [test "x$is_power_isa" = x1])
is_arm_isa=0
AS_CASE(["$host_cpu"],
[*arm*|*aarch64*], [is_arm_isa=1])
AM_CONDITIONAL([IS_ARM_ISA], [test "x$is_arm_isa" = x1])
###############################################################################
# --enable options
###############################################################################
AC_ARG_ENABLE([sse2],
[AS_HELP_STRING([--disable-sse2], [disable SSE2 support (default=auto)])], [], [enable_sse2="auto (yes)"])
AC_ARG_ENABLE([sse4_1],
[AS_HELP_STRING([--disable-sse4_1], [disable SSE4.1 support (default=auto)])], [], [enable_sse4_1="auto (yes)"])
AC_ARG_ENABLE([avx2],
[AS_HELP_STRING([--disable-avx2], [disable AVX2 support (default=auto)])], [], [enable_avx2="auto (yes)"])
AC_ARG_ENABLE([avx512],
[AS_HELP_STRING([--disable-avx512], [disable AVX512 support (default=auto)])], [], [enable_avx512="auto (yes)"])
AC_ARG_ENABLE([altivec],
[AS_HELP_STRING([--disable-altivec], [disable Altivec support (default=auto)])], [], [enable_altivec="auto (yes)"])
AC_ARG_ENABLE([neon],
[AS_HELP_STRING([--disable-neon], [disable ARM NEON support (default=auto)])], [], [enable_neon="auto (yes)"])
###############################################################################
# C compiler
###############################################################################
AC_MSG_NOTICE
AC_MSG_NOTICE([C compiler])
AC_MSG_NOTICE
AC_PROG_CC_C99
AX_COMPILER_VENDOR
AX_COMPILER_VERSION
# Checks for header files.
AC_CHECK_HEADERS([malloc.h])
AC_CHECK_HEADERS([poll.h])
AC_CHECK_HEADERS([unistd.h])
AC_CHECK_HEADERS([windows.h])
AC_CHECK_HEADERS([sys/mman.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_BIGENDIAN
AC_C_CONST
AC_C_INLINE
AC_C_RESTRICT
AC_CHECK_SIZEOF([int])
AC_CHECK_TYPES([struct __stat64])
AC_SYS_LARGEFILE
AC_TYPE_INT8_T
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AX_OPENMP
AC_SUBST([OPENMP_CFLAGS])
AM_CONDITIONAL([HAVE_OPENMP],
[test "x$ax_cv_[]_AC_LANG_ABBREV[]_openmp" != "xunknown"])
###############################################################################
# SSE2
###############################################################################
AS_IF([test "x$enable_sse2" != "xno"], [
AC_CACHE_CHECK([for SSE2 support], [pt_cv_sse2],
[pt_cv_sse2=no; pt_cv_sse2_val=0
for flag in default -msse2
do
save_CFLAGS="$CFLAGS"
AS_IF([test "x$flag" != xdefault], [CFLAGS="$CFLAGS $flag"])
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <emmintrin.h>
int foo() {
__m128i vOne = _mm_set1_epi16(1);
__m128i result = _mm_add_epi16(vOne,vOne);
return _mm_extract_epi16(result, 0);
}
int main(void) { return foo(); }
]])],
[pt_cv_sse2="$flag"; pt_cv_sse2_val=1])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"
AS_IF([test "x$pt_cv_sse2" != xno], [break])
done])
AS_IF([test "x$pt_cv_sse2" == xdefault], [SSE2_CFLAGS=],
[test "x$pt_cv_sse2" != xno], [SSE2_CFLAGS="$pt_cv_sse2"],
[SSE2_CFLAGS="not supported"])
AC_DEFINE_UNQUOTED([HAVE_SSE2], [$pt_cv_sse2_val],
[define to 1 if the C compiler supports SSE2])
AS_IF([test "x$pt_cv_sse2_val" != x1], [
AS_IF([test "x$enable_sse2" = xyes], [
dnl explicitly passed --enable_sse2, hence error out loud and clearly
AC_MSG_ERROR([You explicitly requested SSE2 support, but SSE2 CFLAGS could not be found!])
], [
enable_sse2="auto (no)"
])
])
AC_CACHE_CHECK([for SSE2 _mm_set1_epi64x],
[pt_cv_sse2_mm_set1_epi64x],
[save_CFLAGS="$CFLAGS"
CFLAGS="$SSE2_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <emmintrin.h>
__m128i foo() {
__m128i vOne = _mm_set1_epi64x(1);
return vOne;
}
]])],
[pt_cv_sse2_mm_set1_epi64x=yes;
pt_cv_sse2_mm_set1_epi64x_val=1],
[pt_cv_sse2_mm_set1_epi64x=no;
pt_cv_sse2_mm_set1_epi64x_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_SSE2_MM_SET1_EPI64X],
[$pt_cv_sse2_mm_set1_epi64x_val],
[define to 1 if the C compiler supports SSE2 _mm_set1_epi64x])
AC_CACHE_CHECK([for SSE2 _mm_set_epi64x],
[pt_cv_sse2_mm_set_epi64x],
[save_CFLAGS="$CFLAGS"
CFLAGS="$SSE2_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <emmintrin.h>
__m128i foo() {
__m128i vOne = _mm_set_epi64x(1,1);
return vOne;
}
]])],
[pt_cv_sse2_mm_set_epi64x=yes;
pt_cv_sse2_mm_set_epi64x_val=1],
[pt_cv_sse2_mm_set_epi64x=no;
pt_cv_sse2_mm_set_epi64x_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_SSE2_MM_SET_EPI64X],
[$pt_cv_sse2_mm_set_epi64x_val],
[define to 1 if the C compiler supports SSE2 _mm_set_epi64x])
])
AM_CONDITIONAL([HAVE_SSE2], [test "x$pt_cv_sse2_val" = x1])
AC_SUBST([SSE2_CFLAGS])
###############################################################################
# SSE 4.1
###############################################################################
AS_IF([test "x$enable_sse4_1" != "xno"], [
AC_CACHE_CHECK([for SSE4.1 support], [pt_cv_sse41],
[pt_cv_sse41=no; pt_cv_sse41_val=0
for flag in default -msse4.1 -msse4
do
save_CFLAGS="$CFLAGS"
AS_IF([test "x$flag" != xdefault], [CFLAGS="$CFLAGS $flag"])
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <smmintrin.h>
int foo() {
__m128i vOne = _mm_set1_epi8(1);
__m128i result = _mm_max_epi8(vOne,vOne);
return _mm_extract_epi8(result, 0);
}
int main(void) { return foo(); }
]])],
[pt_cv_sse41="$flag"; pt_cv_sse41_val=1])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"
AS_IF([test "x$pt_cv_sse41" != xno], [break])
done])
AS_IF([test "x$pt_cv_sse41" == xdefault], [SSE41_CFLAGS=],
[test "x$pt_cv_sse41" != xno], [SSE41_CFLAGS="$pt_cv_sse41"],
[SSE41_CFLAGS="not supported"])
AC_DEFINE_UNQUOTED([HAVE_SSE41], [$pt_cv_sse41_val],
[define to 1 if the C compiler supports SSE4.1])
AS_IF([test "x$pt_cv_sse41_val" != x1], [
AS_IF([test "x$enable_sse4_1" = xyes], [
dnl explicitly passed --enable_sse4_1, hence error out loud and clearly
AC_MSG_ERROR([You explicitly requested SSE4.1 support, but SSE4.1 CFLAGS could not be found!])
], [
enable_sse4_1="auto (no)"
])
])
AC_CACHE_CHECK([for SSE4.1 _mm_insert_epi64],
[pt_cv_sse41_mm_insert_epi64],
[save_CFLAGS="$CFLAGS"
CFLAGS="$SSE41_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <smmintrin.h>
__m128i foo() {
__m128i vOne = _mm_set1_epi8(1);
return _mm_insert_epi64(vOne,INT64_MIN,0);
}
]])],
[pt_cv_sse41_mm_insert_epi64=yes;
pt_cv_sse41_mm_insert_epi64_val=1],
[pt_cv_sse41_mm_insert_epi64=no;
pt_cv_sse41_mm_insert_epi64_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_SSE41_MM_INSERT_EPI64],
[$pt_cv_sse41_mm_insert_epi64_val],
[define to 1 if the C compiler supports SSE4.1 _mm_insert_epi64])
AC_CACHE_CHECK([for SSE4.1 _mm_extract_epi64],
[pt_cv_sse41_mm_extract_epi64],
[save_CFLAGS="$CFLAGS"
CFLAGS="$SSE41_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <immintrin.h>
int64_t foo() {
__m128i vZero = _mm_set1_epi8(0);
return _mm_extract_epi64(vZero,0);
}
int main(void) { return foo(); }
]])],
[pt_cv_sse41_mm_extract_epi64=yes;
pt_cv_sse41_mm_extract_epi64_val=1],
[pt_cv_sse41_mm_extract_epi64=no;
pt_cv_sse41_mm_extract_epi64_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_SSE41_MM_EXTRACT_EPI64],
[$pt_cv_sse41_mm_extract_epi64_val],
[define to 1 if the C compiler supports SSE4.1 _mm_extract_epi64])
])
AM_CONDITIONAL([HAVE_SSE41], [test "x$pt_cv_sse41_val" = x1])
AM_CONDITIONAL([HAVE_SSE], [test "x$pt_cv_sse2_val" = x1 || test "x$pt_cv_sse41_val" = x1])
AC_SUBST([SSE41_CFLAGS])
###############################################################################
# AVX2
###############################################################################
AS_IF([test "x$enable_avx2" != "xno"], [
AC_CACHE_CHECK([for AVX2 support], [pt_cv_avx2],
[pt_cv_avx2=no; pt_cv_avx2_val=0
for flag in default -mavx2
do
save_CFLAGS="$CFLAGS"
AS_IF([test "x$flag" != xdefault], [CFLAGS="$CFLAGS $flag"])
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <immintrin.h>
void parasail_memset___m256i(__m256i *b, __m256i c, size_t len)
{
size_t i;
for (i=0; i<len; ++i) {
_mm256_store_si256(&b[i], c);
}
}
int foo() {
__m256i vOne = _mm256_set1_epi8(1);
__m256i result = _mm256_add_epi8(vOne,vOne);
return _mm_extract_epi16(_mm256_extracti128_si256(result,0),0);
}
int main(void) { return foo(); }
]])],
[pt_cv_avx2="$flag"; pt_cv_avx2_val=1])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"
AS_IF([test "x$pt_cv_avx2" != xno], [break])
done])
AS_IF([test "x$pt_cv_avx2" == xdefault], [AVX2_CFLAGS=],
[test "x$pt_cv_avx2" != xno], [AVX2_CFLAGS="$pt_cv_avx2"],
[AVX2_CFLAGS="not supported"])
AC_DEFINE_UNQUOTED([HAVE_AVX2], [$pt_cv_avx2_val],
[define to 1 if the C compiler supports AVX2])
AS_IF([test "x$pt_cv_avx2_val" != x1], [
AS_IF([test "x$enable_avx2" = xyes], [
dnl explicitly passed --enable_avx2, hence error out loud and clearly
AC_MSG_ERROR([You explicitly requested AVX2 support, but AVX2 CFLAGS could not be found!])
], [
enable_avx2="auto (no)"
])
])
AC_CACHE_CHECK([for AVX2 _mm256_set1_epi64x],
[pt_cv_avx2_mm256_set1_epi64x],
[save_CFLAGS="$CFLAGS"
CFLAGS="$AVX2_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <immintrin.h>
__m256i foo() {
__m256i vOne = _mm256_set1_epi64x(1);
return vOne;
}
]])],
[pt_cv_avx2_mm256_set1_epi64x=yes;
pt_cv_avx2_mm256_set1_epi64x_val=1],
[pt_cv_avx2_mm256_set1_epi64x=no;
pt_cv_avx2_mm256_set1_epi64x_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_AVX2_MM256_SET1_EPI64X],
[$pt_cv_avx2_mm256_set1_epi64x_val],
[define to 1 if the C compiler supports AVX2 _mm256_set1_epi64x])
AC_CACHE_CHECK([for AVX2 _mm256_set_epi64x],
[pt_cv_avx2_mm256_set_epi64x],
[save_CFLAGS="$CFLAGS"
CFLAGS="$AVX2_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <immintrin.h>
__m256i foo() {
__m256i vOne = _mm256_set_epi64x(1,1,1,1);
return vOne;
}
]])],
[pt_cv_avx2_mm256_set_epi64x=yes;
pt_cv_avx2_mm256_set_epi64x_val=1],
[pt_cv_avx2_mm256_set_epi64x=no;
pt_cv_avx2_mm256_set_epi64x_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_AVX2_MM256_SET_EPI64X],
[$pt_cv_avx2_mm256_set_epi64x_val],
[define to 1 if the C compiler supports AVX2 _mm256_set_epi64x])
AC_CACHE_CHECK([for AVX2 _mm256_insert_epi64],
[pt_cv_avx2_mm256_insert_epi64],
[save_CFLAGS="$CFLAGS"
CFLAGS="$AVX2_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <immintrin.h>
__m256i foo() {
__m256i vOne = _mm256_set1_epi8(1);
return _mm256_insert_epi64(vOne,INT64_MIN,0);
}
]])],
[pt_cv_avx2_mm256_insert_epi64=yes;
pt_cv_avx2_mm256_insert_epi64_val=1],
[pt_cv_avx2_mm256_insert_epi64=no;
pt_cv_avx2_mm256_insert_epi64_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_AVX2_MM256_INSERT_EPI64],
[$pt_cv_avx2_mm256_insert_epi64_val],
[define to 1 if the C compiler supports AVX2 _mm256_insert_epi64])
AC_CACHE_CHECK([for AVX2 _mm256_insert_epi32],
[pt_cv_avx2_mm256_insert_epi32],
[save_CFLAGS="$CFLAGS"
CFLAGS="$AVX2_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <immintrin.h>
__m256i foo() {
__m256i vOne = _mm256_set1_epi8(1);
return _mm256_insert_epi32(vOne,INT32_MIN,0);
}
]])],
[pt_cv_avx2_mm256_insert_epi32=yes;
pt_cv_avx2_mm256_insert_epi32_val=1],
[pt_cv_avx2_mm256_insert_epi32=no;
pt_cv_avx2_mm256_insert_epi32_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_AVX2_MM256_INSERT_EPI32],
[$pt_cv_avx2_mm256_insert_epi32_val],
[define to 1 if the C compiler supports AVX2 _mm256_insert_epi32])
AC_CACHE_CHECK([for AVX2 _mm256_insert_epi16],
[pt_cv_avx2_mm256_insert_epi16],
[save_CFLAGS="$CFLAGS"
CFLAGS="$AVX2_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <immintrin.h>
__m256i foo() {
__m256i vZero = _mm256_set1_epi8(0);
return _mm256_insert_epi16(vZero,INT16_MIN,0);
}
]])],
[pt_cv_avx2_mm256_insert_epi16=yes;
pt_cv_avx2_mm256_insert_epi16_val=1],
[pt_cv_avx2_mm256_insert_epi16=no;
pt_cv_avx2_mm256_insert_epi16_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_AVX2_MM256_INSERT_EPI16],
[$pt_cv_avx2_mm256_insert_epi16_val],
[define to 1 if the C compiler supports AVX2 _mm256_insert_epi16])
AC_CACHE_CHECK([for AVX2 _mm256_insert_epi8],
[pt_cv_avx2_mm256_insert_epi8],
[save_CFLAGS="$CFLAGS"
CFLAGS="$AVX2_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <immintrin.h>
__m256i foo() {
__m256i vZero = _mm256_set1_epi8(0);
return _mm256_insert_epi8(vZero,INT8_MIN,0);
}
]])],
[pt_cv_avx2_mm256_insert_epi8=yes;
pt_cv_avx2_mm256_insert_epi8_val=1],
[pt_cv_avx2_mm256_insert_epi8=no;
pt_cv_avx2_mm256_insert_epi8_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_AVX2_MM256_INSERT_EPI8],
[$pt_cv_avx2_mm256_insert_epi8_val],
[define to 1 if the C compiler supports AVX2 _mm256_insert_epi8])
AC_CACHE_CHECK([for AVX2 _mm256_extract_epi64],
[pt_cv_avx2_mm256_extract_epi64],
[save_CFLAGS="$CFLAGS"
CFLAGS="$AVX2_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <immintrin.h>
int64_t foo() {
__m256i vZero = _mm256_set1_epi8(0);
return _mm256_extract_epi64(vZero,0);
}
int main(void) { return foo(); }
]])],
[pt_cv_avx2_mm256_extract_epi64=yes;
pt_cv_avx2_mm256_extract_epi64_val=1],
[pt_cv_avx2_mm256_extract_epi64=no;
pt_cv_avx2_mm256_extract_epi64_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_AVX2_MM256_EXTRACT_EPI64],
[$pt_cv_avx2_mm256_extract_epi64_val],
[define to 1 if the C compiler supports AVX2 _mm256_extract_epi64])
AC_CACHE_CHECK([for AVX2 _mm256_extract_epi32],
[pt_cv_avx2_mm256_extract_epi32],
[save_CFLAGS="$CFLAGS"
CFLAGS="$AVX2_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <immintrin.h>
int32_t foo() {
__m256i vZero = _mm256_set1_epi8(0);
return _mm256_extract_epi32(vZero,0);
}
int main(void) { return foo(); }
]])],
[pt_cv_avx2_mm256_extract_epi32=yes;
pt_cv_avx2_mm256_extract_epi32_val=1],
[pt_cv_avx2_mm256_extract_epi32=no;
pt_cv_avx2_mm256_extract_epi32_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_AVX2_MM256_EXTRACT_EPI32],
[$pt_cv_avx2_mm256_extract_epi32_val],
[define to 1 if the C compiler supports AVX2 _mm256_extract_epi32])
AC_CACHE_CHECK([for AVX2 _mm256_extract_epi16],
[pt_cv_avx2_mm256_extract_epi16],
[save_CFLAGS="$CFLAGS"
CFLAGS="$AVX2_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <immintrin.h>
int16_t foo() {
__m256i vZero = _mm256_set1_epi8(0);
return _mm256_extract_epi16(vZero,0);
}
int main(void) { return foo(); }
]])],
[pt_cv_avx2_mm256_extract_epi16=yes;
pt_cv_avx2_mm256_extract_epi16_val=1],
[pt_cv_avx2_mm256_extract_epi16=no;
pt_cv_avx2_mm256_extract_epi16_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_AVX2_MM256_EXTRACT_EPI16],
[$pt_cv_avx2_mm256_extract_epi16_val],
[define to 1 if the C compiler supports AVX2 _mm256_extract_epi16])
AC_CACHE_CHECK([for AVX2 _mm256_extract_epi8],
[pt_cv_avx2_mm256_extract_epi8],
[save_CFLAGS="$CFLAGS"
CFLAGS="$AVX2_CFLAGS $CFLAGS"
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
#include <immintrin.h>
int8_t foo() {
__m256i vZero = _mm256_set1_epi8(0);
return _mm256_extract_epi8(vZero,0);
}
int main(void) { return foo(); }
]])],
[pt_cv_avx2_mm256_extract_epi8=yes;
pt_cv_avx2_mm256_extract_epi8_val=1],
[pt_cv_avx2_mm256_extract_epi8=no;
pt_cv_avx2_mm256_extract_epi8_val=0])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"])
AC_DEFINE_UNQUOTED([HAVE_AVX2_MM256_EXTRACT_EPI8],
[$pt_cv_avx2_mm256_extract_epi8_val],
[define to 1 if the C compiler supports AVX2 _mm256_extract_epi8])
])
AM_CONDITIONAL([HAVE_AVX2], [test "x$pt_cv_avx2_val" = x1])
AC_SUBST([AVX2_CFLAGS])
###############################################################################
# AVX512
###############################################################################
AS_IF([test "x$enable_avx512" != "xno"], [
AC_CACHE_CHECK([for AVX512F support], [pt_cv_avx512f],
[pt_cv_avx512f=no; pt_cv_avx512f_val=0
for flag in default -mavx512f -xMIC-AVX512
do
save_CFLAGS="$CFLAGS"
AS_IF([test "x$flag" != xdefault], [CFLAGS="$CFLAGS $flag"])
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <immintrin.h>
void parasail_memset___m512i(__m512i *b, __m512i c, size_t len)
{
size_t i;
for (i=0; i<len; ++i) {
_mm512_store_si512(&b[i], c);
}
}
int foo() {
__m512i vOne = _mm512_set1_epi32(1);
__m512i result = _mm512_add_epi32(vOne,vOne);
return 0;
}
int main(void) { return foo(); }
]])],
[pt_cv_avx512f="$flag"; pt_cv_avx512f_val=1])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"
AS_IF([test "x$pt_cv_avx512f" != xno], [break])
done])
AS_IF([test "x$pt_cv_avx512f" == xdefault], [AVX512F_CFLAGS=],
[test "x$pt_cv_avx512f" != xno], [AVX512F_CFLAGS="$pt_cv_avx512f"],
[AVX512F_CFLAGS="not supported"])
AC_DEFINE_UNQUOTED([HAVE_AVX512F], [$pt_cv_avx512f_val],
[define to 1 if the C compiler supports AVX512F])
AS_IF([test "x$pt_cv_avx512f_val" != x1], [
AS_IF([test "x$enable_avx512" = xyes], [
dnl explicitly passed --enable_avx512, hence error out loud and clearly
AC_MSG_ERROR([You explicitly requested AVX512 support, but AVX512 CFLAGS could not be found!])
], [
enable_avx512="auto (no)"
])
])
AC_CACHE_CHECK([for AVX512BW support], [pt_cv_avx512bw],
[pt_cv_avx512bw=no; pt_cv_avx512bw_val=0
for flag in default -mavx512bw -xCORE-AVX512
do
save_CFLAGS="$CFLAGS"
AS_IF([test "x$flag" != xdefault], [CFLAGS="$CFLAGS $flag"])
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <immintrin.h>
void parasail_memset___m512i(__m512i *b, __m512i c, size_t len)
{
size_t i;
for (i=0; i<len; ++i) {
_mm512_store_si512(&b[i], c);
}
}
int foo() {
__m512i vOne = _mm512_set1_epi8(1);
__m512i result = _mm512_add_epi8(vOne,vOne);
return 0;
}
int main(void) { return foo(); }
]])],
[pt_cv_avx512bw="$flag"; pt_cv_avx512bw_val=1])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"
AS_IF([test "x$pt_cv_avx512bw" != xno], [break])
done])
AS_IF([test "x$pt_cv_avx512bw" == xdefault], [AVX512BW_CFLAGS=],
[test "x$pt_cv_avx512bw" != xno], [AVX512BW_CFLAGS="$pt_cv_avx512bw"],
[AVX512BW_CFLAGS="not supported"])
AC_DEFINE_UNQUOTED([HAVE_AVX512BW], [$pt_cv_avx512bw_val],
[define to 1 if the C compiler supports AVX512BW])
AC_CACHE_CHECK([for AVX512VBMI support], [pt_cv_avx512vbmi],
[pt_cv_avx512vbmi=no; pt_cv_avx512vbmi_val=0
for flag in default -mavx512vbmi -xCORE-AVX512
do
save_CFLAGS="$CFLAGS"
AS_IF([test "x$flag" != xdefault], [CFLAGS="$CFLAGS $flag"])
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <immintrin.h>
void parasail_memset___m512i(__m512i *b, __m512i c, size_t len)
{
size_t i;
for (i=0; i<len; ++i) {
_mm512_store_si512(&b[i], c);
}
}
int foo() {
__m512i vOne = _mm512_set1_epi8(1);
__m512i result = _mm512_permutex2var_epi8(vOne,vOne,vOne);
return 0;
}
int main(void) { return foo(); }
]])],
[pt_cv_avx512vbmi="$flag"; pt_cv_avx512vbmi_val=1])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"
AS_IF([test "x$pt_cv_avx512vbmi" != xno], [break])
done])
AS_IF([test "x$pt_cv_avx512vbmi" == xdefault], [AVX512VBMI_CFLAGS=],
[test "x$pt_cv_avx512vbmi" != xno], [AVX512VBMI_CFLAGS="$pt_cv_avx512vbmi"],
[AVX512VBMI_CFLAGS="not supported"])
AC_DEFINE_UNQUOTED([HAVE_AVX512VBMI], [$pt_cv_avx512vbmi_val],
[define to 1 if the C compiler supports AVX512VBMI])
AC_CACHE_CHECK([for xgetbv],
[pt_cv_xgetbv],
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
int check_xcr0_ymm()
{
uint32_t xcr0;
#if defined(_MSC_VER)
xcr0 = (uint32_t)_xgetbv(0); /* min VS2010 SP1 compiler is required */
#else
__asm__ ("xgetbv" : "=a" (xcr0) : "c" (0) : "%edx" );
#endif
return ((xcr0 & 6) == 6); /* checking if xmm and ymm state are enabled in XCR0 */
}
]])],
[pt_cv_xgetbv=yes; pt_cv_xgetbv_val=1],
[pt_cv_xgetbv=no; pt_cv_xgetbv_val=0])])
AC_DEFINE_UNQUOTED([HAVE_XGETBV], [$pt_cv_xgetbv_val],
[define to 1 if the C compiler supports xgetbv])
])
AM_CONDITIONAL([HAVE_AVX512F], [test "x$pt_cv_avx512f_val" = x1])
AC_SUBST([AVX512F_CFLAGS])
AM_CONDITIONAL([HAVE_AVX512BW], [test "x$pt_cv_avx512bw_val" = x1])
AC_SUBST([AVX512BW_CFLAGS])
AM_CONDITIONAL([HAVE_AVX512VBMI], [test "x$pt_cv_avx512vbmi_val" = x1])
AC_SUBST([AVX512VBMI_CFLAGS])
AM_CONDITIONAL([HAVE_XGETBV], [test "x$pt_cv_xgetbv" = xyes])
###############################################################################
# Altivec
###############################################################################
AS_IF([test "x$enable_altivec" != "xno"], [
AC_CACHE_CHECK([for AltiVec support], [pt_cv_altivec],
[pt_cv_altivec=no; pt_cv_altivec_val=0
for flag in default -maltivec -faltivec '-maltivec -mpower8-vector'
do
# some compilers want () instead of {} for assigning literals to vectors
for brace in paren curly
do
AS_IF([test "x$brace" = xparen],
[B_OPEN='('; B_CLOSE=')'],
[B_OPEN='{'; B_CLOSE='}'])
save_CFLAGS="$CFLAGS"
AS_IF([test "x$flag" != xdefault], [CFLAGS="$CFLAGS $flag"])
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <altivec.h>
vector signed int vec_2sComp (vector signed int x)
{
vector signed int one = (vector signed int) ${B_OPEN}1${B_CLOSE};
x = vec_nor (x, x);
x = vec_add (x, one);
return x;
}
vector signed long long vec_mm_sub_epi64(vector signed long long a, vector signed long long b)
{
return (vector signed long long) vec_sub(a, b);
}
int main(void)
{
vector signed int two = (vector signed int) ${B_OPEN}2${B_CLOSE};
vector signed int result = vec_2sComp(two);
return vec_extract(two,0);
}
]])],
[pt_cv_altivec="$flag"; pt_cv_altivec_val=1])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"
AS_IF([test "x$pt_cv_altivec" != xno], [break])
done
AS_IF([test "x$pt_cv_altivec" != xno], [break])
done])
AC_DEFINE_UNQUOTED([HAVE_ALTIVEC], [$pt_cv_altivec_val],
[define to 1 if the C compiler supports ALTIVEC])
AS_IF([test "x$pt_cv_altivec_val" != x1], [
AS_IF([test "x$enable_altivec" = xyes], [
dnl explicitly passed --enable_altivec, hence error out loud and clearly
AC_MSG_ERROR([You explicitly requested Altivec support, but Altivec CFLAGS could not be found!])
], [
enable_altivec="auto (no)"
])
])
])
AM_CONDITIONAL([HAVE_ALTIVEC], [test "x$pt_cv_altivec_val" = x1])
AS_IF([test "x$pt_cv_altivec" == xdefault], [ALTIVEC_CFLAGS=],
[test "x$pt_cv_altivec" != xno], [ALTIVEC_CFLAGS="$pt_cv_altivec"],
[ALTIVEC_CFLAGS="not supported"])
AC_SUBST([ALTIVEC_CFLAGS])
###############################################################################
# ARM NEON
###############################################################################
AS_IF([test "x$enable_neon" != "xno"], [
AC_CACHE_CHECK([for ARM NEON support], [pt_cv_neon],
[pt_cv_neon=no; pt_cv_neon_val=0
for flag in default -mfpu=neon '-mfpu=neon -mfloat-abi=softfp'
do
save_CFLAGS="$CFLAGS"
AS_IF([test "x$flag" != xdefault], [CFLAGS="$CFLAGS $flag"])
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <arm_neon.h>
uint32x4_t double_elements(uint32x4_t input)
{
return(vaddq_u32(input, input));
}
int main(void)
{
uint32x4_t one;
uint32x4_t two = double_elements(one);
return 0;
}
]])],
[pt_cv_neon="$flag"; pt_cv_neon_val=1])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"
AS_IF([test "x$pt_cv_neon" != xno], [break])
done])
AC_DEFINE_UNQUOTED([HAVE_NEON], [$pt_cv_neon_val],
[define to 1 if the C compiler supports NEON])
AS_IF([test "x$pt_cv_neon_val" != x1], [
AS_IF([test "x$enable_neon" = xyes], [
dnl explicitly passed --enable_neon, hence error out loud and clearly
AC_MSG_ERROR([You explicitly requested ARM NEON support, but ARM NEON CFLAGS could not be found!])
], [
enable_neon="auto (no)"
])
])
# flags to optimize contrib/simde
AX_CHECK_COMPILE_FLAG([-fopenmp-simd], [EXTRA_NEON_CFLAGS="-fopenmp-simd -DSIMDE_ENABLE_OPENMP"],
[AX_CHECK_COMPILE_FLAG([-openmp-simd], [EXTRA_NEON_CFLAGS="-openmp-simd -DSIMDE_ENABLE_OPENMP"])])
])
AM_CONDITIONAL([HAVE_NEON], [test "x$pt_cv_neon_val" = x1])
AS_IF([test "x$pt_cv_neon" == xdefault], [NEON_CFLAGS=],
[test "x$pt_cv_neon" != xno], [NEON_CFLAGS="$pt_cv_neon"],
[NEON_CFLAGS="not supported"])
AC_SUBST([NEON_CFLAGS])
###############################################################################
# Checks for library functions
###############################################################################
AC_CHECK_FUNCS([_aligned_malloc])
AC_CHECK_FUNCS([aligned_alloc])
AC_CHECK_FUNCS([filelength])
AC_CHECK_FUNCS([memalign])
AC_CHECK_FUNCS([memset])
AC_CHECK_FUNCS([poll])
AC_CHECK_FUNCS([posix_memalign])
AC_CHECK_FUNCS([getopt])
AC_CHECK_FUNCS([SetUnhandledExceptionFilter])
AC_CHECK_FUNCS([_fstat64])
AC_CHECK_FUNCS([_stat64])
# which parasail_time approach works on this platform
AC_CACHE_CHECK([for int64_t literal suffix], [pt_cv_int64_suffix],
[pt_cv_int64_suffix=unknown
for flag in i64 LL
do
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
int main(void) {
long long val = 116444736000000000$flag;
return 0;
}
]])],
[pt_cv_int64_suffix="$flag"])
ac_c_werror_flag=$psl_save_c_werror_flag
CFLAGS="$save_CFLAGS"
AS_IF([test "x$pt_cv_int64_suffix" != xunknown], [break])
done])
AS_IF([test "x$pt_cv_int64_suffix" = xunknown],
[AC_DEFINE([INT64_LITERAL_SUFFIX_UNKNOWN],
[1], [int64_t suffix is unknown])],
[test "x$pt_cv_int64_suffix" = xi64],
[AC_DEFINE([INT64_LITERAL_SUFFIX_I64],
[1], [int64_t suffix is i64])],
[test "x$pt_cv_int64_suffix" = xLL],
[AC_DEFINE([INT64_LITERAL_SUFFIX_LL],
[1], [int64_t suffix is LL])],
[AC_MSG_ERROR([No clock function found])])
AC_CACHE_CHECK([for GetSystemTimeAsFileTime], [pt_cv_wintime], [
pt_cv_wintime=no
pt_cv_wintime_val=0
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <windows.h>
double parasail_time(void) {
__int64 wintime;
double sec;
double nsec;
GetSystemTimeAsFileTime((FILETIME*)&wintime);
#if defined(INT64_LITERAL_SUFFIX_I64)
wintime -=116444736000000000i64; /*1jan1601 to 1jan1970*/
sec = wintime / 10000000i64; /*seconds*/
nsec = wintime % 10000000i64 *100; /*nano-seconds*/
#elif defined(INT64_LITERAL_SUFFIX_LL)
wintime -=116444736000000000LL; /*1jan1601 to 1jan1970*/
sec = wintime / 10000000LL; /*seconds*/
nsec = wintime % 10000000LL *100; /*nano-seconds*/
#endif
return sec + nsec/1000000000.0;
}
int main(void) {
double t = parasail_time();
return 0;
}
]])], [pt_cv_wintime="yes"; pt_cv_wintime_val=1])
ac_c_werror_flag=$psl_save_c_werror_flag
])
AC_DEFINE_UNQUOTED([HAVE_GETSYSTEMTIMEASFILETIME],
[$pt_cv_wintime_val],
[define to 1 if using windows GetSystemTimeAsFileTime])
AC_CACHE_CHECK([for clock_get_time], [pt_cv_machtime], [
pt_cv_machtime=no
pt_cv_machtime_val=0
psl_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <mach/clock.h>
#include <mach/mach.h>
double parasail_time(void) {
clock_serv_t cclock;
mach_timespec_t mts;
host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
clock_get_time(cclock, &mts);