diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e99cfe70d10..48c09573bc5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-11-16  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* config/aarch64/aarch64-sve.md (aarch64_wrffr): Wrap the FFRT
+	output in UNSPEC_WRFFR.
+
 2019-11-16  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* tree-data-ref.c (create_intersect_range_checks_index): Rewrite
diff --git a/gcc/config/aarch64/aarch64-sve.md b/gcc/config/aarch64/aarch64-sve.md
index cdc3b4c3f4a..4427609b579 100644
--- a/gcc/config/aarch64/aarch64-sve.md
+++ b/gcc/config/aarch64/aarch64-sve.md
@@ -984,7 +984,7 @@
   [(set (reg:VNx16BI FFR_REGNUM)
 	(match_operand:VNx16BI 0 "aarch64_simd_reg_or_minus_one" "Dm, Upa"))
    (set (reg:VNx16BI FFRT_REGNUM)
-	(match_dup 0))]
+	(unspec:VNx16BI [(match_dup 0)] UNSPEC_WRFFR))]
   "TARGET_SVE"
   "@
    setffr