173 lines
3.8 KiB
Plaintext
173 lines
3.8 KiB
Plaintext
dnl #
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dnl # Checks if host toolchain supports SIMD instructions
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_TOOLCHAIN_SIMD], [
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case "$host_cpu" in
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x86_64 | x86 | i686)
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ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE
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ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE2
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ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE3
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ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSSE3
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ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_1
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ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_2
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ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX
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ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX2
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;;
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esac
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])
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dnl #
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dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE], [
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AC_MSG_CHECKING([whether host toolchain supports SSE])
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AC_LINK_IFELSE([AC_LANG_SOURCE([[
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void main()
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{
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__asm__ __volatile__("xorps %xmm0, %xmm1");
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}
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]])], [
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AC_DEFINE([HAVE_SSE], 1, [Define if host toolchain supports SSE])
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AC_MSG_RESULT([yes])
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], [
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AC_MSG_RESULT([no])
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])
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])
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dnl #
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dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE2
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE2], [
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AC_MSG_CHECKING([whether host toolchain supports SSE2])
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AC_LINK_IFELSE([AC_LANG_SOURCE([[
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void main()
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{
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__asm__ __volatile__("pxor %xmm0, %xmm1");
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}
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]])], [
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AC_DEFINE([HAVE_SSE2], 1, [Define if host toolchain supports SSE2])
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AC_MSG_RESULT([yes])
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], [
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AC_MSG_RESULT([no])
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])
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])
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dnl #
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dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE3
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE3], [
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AC_MSG_CHECKING([whether host toolchain supports SSE3])
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AC_LINK_IFELSE([AC_LANG_SOURCE([[
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void main()
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{
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char v[16];
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__asm__ __volatile__("lddqu %0,%%xmm0" :: "m"(v[0]));
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}
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]])], [
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AC_DEFINE([HAVE_SSE3], 1, [Define if host toolchain supports SSE3])
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AC_MSG_RESULT([yes])
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], [
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AC_MSG_RESULT([no])
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])
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])
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dnl #
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dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSSE3
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSSE3], [
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AC_MSG_CHECKING([whether host toolchain supports SSSE3])
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AC_LINK_IFELSE([AC_LANG_SOURCE([[
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void main()
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{
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__asm__ __volatile__("pshufb %xmm0,%xmm1");
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}
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]])], [
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AC_DEFINE([HAVE_SSSE3], 1, [Define if host toolchain supports SSSE3])
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AC_MSG_RESULT([yes])
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], [
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AC_MSG_RESULT([no])
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])
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])
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dnl #
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dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_1
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_1], [
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AC_MSG_CHECKING([whether host toolchain supports SSE4.1])
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AC_LINK_IFELSE([AC_LANG_SOURCE([[
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void main()
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{
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__asm__ __volatile__("pmaxsb %xmm0,%xmm1");
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}
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]])], [
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AC_DEFINE([HAVE_SSE4_1], 1, [Define if host toolchain supports SSE4.1])
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AC_MSG_RESULT([yes])
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], [
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AC_MSG_RESULT([no])
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])
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])
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dnl #
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dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_2
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_2], [
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AC_MSG_CHECKING([whether host toolchain supports SSE4.2])
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AC_LINK_IFELSE([AC_LANG_SOURCE([[
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void main()
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{
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__asm__ __volatile__("pcmpgtq %xmm0, %xmm1");
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}
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]])], [
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AC_DEFINE([HAVE_SSE4_2], 1, [Define if host toolchain supports SSE4.2])
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AC_MSG_RESULT([yes])
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], [
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AC_MSG_RESULT([no])
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])
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])
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dnl #
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dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX], [
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AC_MSG_CHECKING([whether host toolchain supports AVX])
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AC_LINK_IFELSE([AC_LANG_SOURCE([[
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void main()
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{
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char v[32];
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__asm__ __volatile__("vmovdqa %0,%%ymm0" :: "m"(v[0]));
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}
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]])], [
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AC_MSG_RESULT([yes])
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AC_DEFINE([HAVE_AVX], 1, [Define if host toolchain supports AVX])
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], [
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AC_MSG_RESULT([no])
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])
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])
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dnl #
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dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX2
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX2], [
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AC_MSG_CHECKING([whether host toolchain supports AVX2])
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AC_LINK_IFELSE([AC_LANG_SOURCE([
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[
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void main()
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{
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__asm__ __volatile__("vpshufb %ymm0,%ymm1,%ymm2");
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}
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]])], [
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AC_MSG_RESULT([yes])
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AC_DEFINE([HAVE_AVX2], 1, [Define if host toolchain supports AVX2])
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], [
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AC_MSG_RESULT([no])
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])
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])
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