'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.
Signed-off-by: Cheng Li <[email protected]> --- m4/openvswitch.m4 | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4 index b5be5842..14d9249 100644 --- a/m4/openvswitch.m4 +++ b/m4/openvswitch.m4 @@ -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.]) -- 1.8.3.1 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
