m4: Test avx512 for x86 only.
'as' command of arm version may don't support option '--64', this
patch is to move the avx512 test into x86 branch to avoid this.
Fixes: ("dpif-lookup: add avx512 gather implementation.")
Tested-by: Harry van Haaren
@@ -494,8 +494,8 @@ AC_DEFUN([OVS_CHECK_BINUTILS_AVX512],
mkdir -p build-aux
OBJFILE=build-aux/binutils_avx512_check.o
GATHER_PARAMS='0x8(,%ymm1,1),%ymm0{%k2}'
- echo "vpgatherqq $GATHER_PARAMS" | as --64 -o $OBJFILE -
if ($CC -dumpmachine | grep x86_64) >/dev/null 2>&1; then
+ echo "vpgatherqq $GATHER_PARAMS" | as --64 -o $OBJFILE -
if (objdump -d --no-show-raw-insn $OBJFILE | grep -q $GATHER_PARAMS) >/dev/null 2>&1; then
ovs_cv_binutils_avx512_good=yes
else
@@ -504,11 +504,11 @@ AC_DEFUN([OVS_CHECK_BINUTILS_AVX512],
dnl and causing zmm usage with buggy binutils versions.
CFLAGS="$CFLAGS -mno-avx512f"
fi
+ rm $OBJFILE
else
dnl non x86_64 architectures don't have avx512, so not affected
ovs_cv_binutils_avx512_good=no
fi])
- rm $OBJFILE
if test "$ovs_cv_binutils_avx512_good" = yes; then
AC_DEFINE([HAVE_LD_AVX512_GOOD], [1],
[Define to 1 if binutils correctly supports AVX512.])
