Dirk Mueller
38ecd810de
OBS-URL: https://build.opensuse.org/package/show/network/openvswitch?expand=0&rev=235
47 lines
1.8 KiB
Diff
47 lines
1.8 KiB
Diff
From edf699ec6404da3612b58aab85d7da12f0dc9733 Mon Sep 17 00:00:00 2001
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From: Cheng Li <lic121@chinatelecom.cn>
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Date: Fri, 16 Sep 2022 09:56:18 +0000
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Subject: [PATCH] m4: Test avx512 for x86 only.
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'as' command of arm version may don't support option '--64', this
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patch is to move the avx512 test into x86 branch to avoid this.
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Fixes: 352b6c7116cd ("dpif-lookup: add avx512 gather implementation.")
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Tested-by: Harry van Haaren <harry.van.haaren@intel.com>
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Signed-off-by: Cheng Li <lic121@chinatelecom.cn>
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Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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---
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m4/openvswitch.m4 | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4
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index 21808483e..09134feca 100644
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--- a/m4/openvswitch.m4
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+++ b/m4/openvswitch.m4
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@@ -436,8 +436,8 @@ AC_DEFUN([OVS_CHECK_BINUTILS_AVX512],
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mkdir -p build-aux
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OBJFILE=build-aux/binutils_avx512_check.o
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GATHER_PARAMS='0x8(,%ymm1,1),%ymm0{%k2}'
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- echo "vpgatherqq $GATHER_PARAMS" | as --64 -o $OBJFILE -
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if ($CC -dumpmachine | grep x86_64) >/dev/null 2>&1; then
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+ echo "vpgatherqq $GATHER_PARAMS" | as --64 -o $OBJFILE -
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if (objdump -d --no-show-raw-insn $OBJFILE | grep -q $GATHER_PARAMS) >/dev/null 2>&1; then
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ovs_cv_binutils_avx512_good=yes
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else
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@@ -446,11 +446,11 @@ AC_DEFUN([OVS_CHECK_BINUTILS_AVX512],
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dnl and causing zmm usage with buggy binutils versions.
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CFLAGS="$CFLAGS -mno-avx512f"
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fi
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+ rm $OBJFILE
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else
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dnl non x86_64 architectures don't have avx512, so not affected
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ovs_cv_binutils_avx512_good=no
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fi])
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- rm $OBJFILE
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if test "$ovs_cv_binutils_avx512_good" = yes; then
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AC_DEFINE([HAVE_LD_AVX512_GOOD], [1],
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[Define to 1 if binutils correctly supports AVX512.])
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--
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2.37.3
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