From f32d34a01528a0b9f2df5229c17789333d41125a Mon Sep 17 00:00:00 2001
From: Qiyu8 <fangchunlin@huawei.com>
Date: Sat, 10 Oct 2020 10:36:15 +0800
Subject: [PATCH] add sse3 compiler flag

---
 Makefile.x86_64    | 5 +++++
 cmake/system.cmake | 3 +++
 kernel/Makefile    | 3 +++
 3 files changed, 11 insertions(+)

diff --git a/Makefile.x86_64 b/Makefile.x86_64
index 00975b25a..65b67bba1 100644
--- a/Makefile.x86_64
+++ b/Makefile.x86_64
@@ -8,6 +8,11 @@ endif
 endif
 endif
 
+ifdef HAVE_SSE3
+CCOMMON_OPT += -msse3
+FCOMMON_OPT += -msse3
+endif
+
 ifeq ($(CORE), SKYLAKEX)
 ifndef DYNAMIC_ARCH
 ifndef NO_AVX512
diff --git a/cmake/system.cmake b/cmake/system.cmake
index 8908a1890..1e6a292c8 100644
--- a/cmake/system.cmake
+++ b/cmake/system.cmake
@@ -70,6 +70,9 @@ if (DEFINED TARGET)
       set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -mavx2")
     endif()
   endif()
+  if (DEFINED HAVE_SSE3)
+    set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -msse3")
+  endif()
 endif()
 
 if (DEFINED TARGET)
diff --git a/kernel/Makefile b/kernel/Makefile
index 16211218f..0f0fa5a5e 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -5,6 +5,9 @@ endif
 TOPDIR	= ..
 include $(TOPDIR)/Makefile.system
 
+ifdef HAVE_SSE3
+CFLAGS += -msse3
+endif
 
 ifeq ($(C_COMPILER), GCC)
 GCCVERSIONGTEQ9 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 9)