diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 7ff0ce70c20..0da099547cd 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-11-21  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* gcc.target/aarch64/sve2/whilerw_1.c: Add -fno-vect-cost-model.
+	Require x0 in the .d test too.
+
 2019-11-21  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/91355
diff --git a/gcc/testsuite/gcc.target/aarch64/sve2/whilerw_1.c b/gcc/testsuite/gcc.target/aarch64/sve2/whilerw_1.c
index 63a6d2f4d62..213ba3e6e0a 100644
--- a/gcc/testsuite/gcc.target/aarch64/sve2/whilerw_1.c
+++ b/gcc/testsuite/gcc.target/aarch64/sve2/whilerw_1.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -ftree-vectorize" } */
+/* { dg-options "-O2 -ftree-vectorize -fno-vect-cost-model" } */
 /* { dg-require-effective-target lp64 } */
 
 #include <stdint.h>
@@ -26,5 +26,5 @@ TEST_LOOP (int64_t);
 /* { dg-final { scan-assembler-times {\twhilerw\tp[0-9]+\.b, x0, x1\n} 1 } } */
 /* { dg-final { scan-assembler-times {\twhilerw\tp[0-9]+\.h, x0, x1\n} 1 } } */
 /* { dg-final { scan-assembler-times {\twhilerw\tp[0-9]+\.s, x0, x1\n} 1 } } */
-/* { dg-final { scan-assembler-times {\twhilerw\tp[0-9]+\.d, x[0-9]+, x1\n} 1 } } */
+/* { dg-final { scan-assembler-times {\twhilerw\tp[0-9]+\.d, x0, x1\n} 1 } } */
 /* { dg-final { scan-assembler-not {\twhilewr\t} } } */