diff --git a/compiler-rt/lib/tsan/CMakeLists.txt b/compiler-rt/lib/tsan/CMakeLists.txt
--- a/compiler-rt/lib/tsan/CMakeLists.txt
+++ b/compiler-rt/lib/tsan/CMakeLists.txt
@@ -18,7 +18,7 @@
 endif()
 
 set(TSAN_RTL_CFLAGS ${TSAN_CFLAGS})
-append_list_if(COMPILER_RT_HAS_MSSE3_FLAG -msse3 TSAN_RTL_CFLAGS)
+append_list_if(COMPILER_RT_HAS_MSSE4_2_FLAG -msse4.2 TSAN_RTL_CFLAGS)
 append_list_if(SANITIZER_LIMIT_FRAME_SIZE -Wframe-larger-than=530
                TSAN_RTL_CFLAGS)
 append_list_if(COMPILER_RT_HAS_WGLOBAL_CONSTRUCTORS_FLAG -Wglobal-constructors
diff --git a/compiler-rt/lib/tsan/go/build.bat b/compiler-rt/lib/tsan/go/build.bat
--- a/compiler-rt/lib/tsan/go/build.bat
+++ b/compiler-rt/lib/tsan/go/build.bat
@@ -58,4 +58,5 @@
   -DSANITIZER_DEBUG=0 ^
   -O3 ^
   -fomit-frame-pointer ^
+  -msse4.2 ^
   -std=c++14
diff --git a/compiler-rt/lib/tsan/go/buildgo.sh b/compiler-rt/lib/tsan/go/buildgo.sh
--- a/compiler-rt/lib/tsan/go/buildgo.sh
+++ b/compiler-rt/lib/tsan/go/buildgo.sh
@@ -58,7 +58,7 @@
 		ARCHCFLAGS="-m64 -mcpu=power8 -fno-function-sections"
 	elif [ "`uname -a | grep x86_64`" != "" ]; then
 		SUFFIX="linux_amd64"
-		ARCHCFLAGS="-m64 -msse3"
+		ARCHCFLAGS="-m64 -msse4.2"
 		OSCFLAGS="$OSCFLAGS -ffreestanding -Wno-unused-const-variable -Werror -Wno-unknown-warning-option"
 	elif [ "`uname -a | grep aarch64`" != "" ]; then
 		SUFFIX="linux_arm64"