diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fef79bb44d5..a8559046244 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2020-02-03  Richard Earnshaw  <rearnsha@arm.com>
+
+	PR target/93548
+	* config/arm/t-arm: ($(srcdir)/config/arm/arm-tune.md)
+	($(srcdir)/config/arm/arm-tables.opt): Use move-if-change.
+
 2020-02-03  Andrew Stubbs  <ams@codesourcery.com>
 
 	* config.gcc: Remove "carrizo" support.
diff --git a/gcc/config/arm/t-arm b/gcc/config/arm/t-arm
index e8483d45688..b883f796956 100644
--- a/gcc/config/arm/t-arm
+++ b/gcc/config/arm/t-arm
@@ -70,13 +70,15 @@ $(srcdir)/config/arm/arm-tune.md: $(srcdir)/config/arm/parsecpu.awk \
 	$(srcdir)/config/arm/arm-cpus.in
 	$(AWK) -f $(srcdir)/config/arm/parsecpu.awk -v cmd=md \
 		$(srcdir)/config/arm/arm-cpus.in > arm-tune.new
-	mv arm-tune.new $(srcdir)/config/arm/arm-tune.md
+	$(srcdir)/../move-if-change arm-tune.new \
+				    $(srcdir)/config/arm/arm-tune.md
 
 $(srcdir)/config/arm/arm-tables.opt: $(srcdir)/config/arm/parsecpu.awk \
   $(srcdir)/config/arm/arm-cpus.in
 	$(AWK) -f $(srcdir)/config/arm/parsecpu.awk -v cmd=opt \
 		$(srcdir)/config/arm/arm-cpus.in > arm-tables.new
-	mv arm-tables.new $(srcdir)/config/arm/arm-tables.opt
+	$(srcdir)/../move-if-change arm-tables.new \
+				    $(srcdir)/config/arm/arm-tables.opt
 
 arm-cpu.h: s-arm-cpu ; @true
 s-arm-cpu: $(srcdir)/config/arm/parsecpu.awk \