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
@@ -59,9 +59,11 @@
 		ARCHCFLAGS="-m64 -mcpu=power8 -fno-function-sections"
 	elif [ "`uname -a | grep x86_64`" != "" ]; then
 		SUFFIX="linux_amd64"
-		# -msse3 used below to ensure continued support of older
-		# cpus for now, see https://github.com/golang/go/issues/53743.
-		ARCHCFLAGS="-m64 -msse3"
+		if [ $GOAMD64 == "v3" ]; then
+			ARCHCFLAGS="-m64 -msse4.2"
+		else
+			ARCHCFLAGS="-m64 -msse3"
+		fi
 		OSCFLAGS="$OSCFLAGS -ffreestanding -Wno-unused-const-variable -Wno-unknown-warning-option"
 	elif [ "`uname -a | grep aarch64`" != "" ]; then
 		SUFFIX="linux_arm64"