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freebsd-nq/config/toolchain-simd.m4
Gvozden Neskovic 32ffaa3de5 Add support for AVX-512 family of instruction sets 
This patch adds compiler and runtime tests (user and kernel) for following
instruction sets: avx512f, avx512cd, avx512er, avx512pf, avx512bw, avx512dq,
avx512vl, avx512ifma, avx512vbmi.

note: Linux support for AVX-512F (Foundation) instruction set started with
linux v3.15

Signed-off-by: Gvozden Neskovic <neskovic@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #4952
2016-08-16 14:10:33 -07:00

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dnl #
dnl # Checks if host toolchain supports SIMD instructions
dnl #
AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_TOOLCHAIN_SIMD], [
case "$host_cpu" in
x86_64 | x86 | i686)
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE2
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE3
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSSE3
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_1
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_2
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX2
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512F
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512CD
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512DQ
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512BW
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512IFMA
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VBMI
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512PF
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512ER
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VL
;;
esac
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE], [
AC_MSG_CHECKING([whether host toolchain supports SSE])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
void main()
{
__asm__ __volatile__("xorps %xmm0, %xmm1");
}
]])], [
AC_DEFINE([HAVE_SSE], 1, [Define if host toolchain supports SSE])
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE2
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE2], [
AC_MSG_CHECKING([whether host toolchain supports SSE2])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
void main()
{
__asm__ __volatile__("pxor %xmm0, %xmm1");
}
]])], [
AC_DEFINE([HAVE_SSE2], 1, [Define if host toolchain supports SSE2])
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE3
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE3], [
AC_MSG_CHECKING([whether host toolchain supports SSE3])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
void main()
{
char v[16];
__asm__ __volatile__("lddqu %0,%%xmm0" :: "m"(v[0]));
}
]])], [
AC_DEFINE([HAVE_SSE3], 1, [Define if host toolchain supports SSE3])
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSSE3
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSSE3], [
AC_MSG_CHECKING([whether host toolchain supports SSSE3])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
void main()
{
__asm__ __volatile__("pshufb %xmm0,%xmm1");
}
]])], [
AC_DEFINE([HAVE_SSSE3], 1, [Define if host toolchain supports SSSE3])
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_1
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_1], [
AC_MSG_CHECKING([whether host toolchain supports SSE4.1])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
void main()
{
__asm__ __volatile__("pmaxsb %xmm0,%xmm1");
}
]])], [
AC_DEFINE([HAVE_SSE4_1], 1, [Define if host toolchain supports SSE4.1])
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_2
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_2], [
AC_MSG_CHECKING([whether host toolchain supports SSE4.2])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
void main()
{
__asm__ __volatile__("pcmpgtq %xmm0, %xmm1");
}
]])], [
AC_DEFINE([HAVE_SSE4_2], 1, [Define if host toolchain supports SSE4.2])
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX], [
AC_MSG_CHECKING([whether host toolchain supports AVX])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
void main()
{
char v[32];
__asm__ __volatile__("vmovdqa %0,%%ymm0" :: "m"(v[0]));
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_AVX], 1, [Define if host toolchain supports AVX])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX2
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX2], [
AC_MSG_CHECKING([whether host toolchain supports AVX2])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
void main()
{
__asm__ __volatile__("vpshufb %ymm0,%ymm1,%ymm2");
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_AVX2], 1, [Define if host toolchain supports AVX2])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512F
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512F], [
AC_MSG_CHECKING([whether host toolchain supports AVX512F])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
void main()
{
__asm__ __volatile__("vpandd %zmm0,%zmm1,%zmm2");
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_AVX512F], 1, [Define if host toolchain supports AVX512F])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512CD
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512CD], [
AC_MSG_CHECKING([whether host toolchain supports AVX512CD])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
void main()
{
__asm__ __volatile__("vplzcntd %zmm0,%zmm1");
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_AVX512CD], 1, [Define if host toolchain supports AVX512CD])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512DQ
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512DQ], [
AC_MSG_CHECKING([whether host toolchain supports AVX512DQ])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
void main()
{
__asm__ __volatile__("vandpd %zmm0,%zmm1,%zmm2");
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_AVX512DQ], 1, [Define if host toolchain supports AVX512DQ])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512BW
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512BW], [
AC_MSG_CHECKING([whether host toolchain supports AVX512BW])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
void main()
{
__asm__ __volatile__("vpshufb %zmm0,%zmm1,%zmm2");
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_AVX512BW], 1, [Define if host toolchain supports AVX512BW])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512IFMA
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512IFMA], [
AC_MSG_CHECKING([whether host toolchain supports AVX512IFMA])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
void main()
{
__asm__ __volatile__("vpmadd52luq %zmm0,%zmm1,%zmm2");
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_AVX512IFMA], 1, [Define if host toolchain supports AVX512IFMA])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VBMI
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VBMI], [
AC_MSG_CHECKING([whether host toolchain supports AVX512VBMI])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
void main()
{
__asm__ __volatile__("vpermb %zmm0,%zmm1,%zmm2");
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_AVX512VBMI], 1, [Define if host toolchain supports AVX512VBMI])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512PF
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512PF], [
AC_MSG_CHECKING([whether host toolchain supports AVX512PF])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
void main()
{
__asm__ __volatile__("vgatherpf0dps (%rsi,%zmm0,4){%k1}");
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_AVX512PF], 1, [Define if host toolchain supports AVX512PF])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512ER
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512ER], [
AC_MSG_CHECKING([whether host toolchain supports AVX512ER])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
void main()
{
__asm__ __volatile__("vexp2pd %zmm0,%zmm1");
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_AVX512ER], 1, [Define if host toolchain supports AVX512ER])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VL
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VL], [
AC_MSG_CHECKING([whether host toolchain supports AVX512VL])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
void main()
{
__asm__ __volatile__("vpabsq %zmm0,%zmm1");
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_AVX512VL], 1, [Define if host toolchain supports AVX512VL])
], [
AC_MSG_RESULT([no])
])
])
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