diff --git a/gcc/testsuite/gcc.target/aarch64/simd/vcaled_f64.c b/gcc/testsuite/gcc.target/aarch64/simd/vcaled_f64.c
index 9ea31d6..5cb69fe 100644
--- a/gcc/testsuite/gcc.target/aarch64/simd/vcaled_f64.c
+++ b/gcc/testsuite/gcc.target/aarch64/simd/vcaled_f64.c
@@ -14,7 +14,7 @@ volatile float64_t in[SIZE] = { -10.4, -3.14, 0.0, 1.5, 5.3, 532.3 };
 int
 main (void)
 {
-  uint64_t expected;
+  volatile uint64_t expected;
   uint64_t actual;
 
   int i, j;
diff --git a/gcc/testsuite/gcc.target/aarch64/simd/vcales_f32.c b/gcc/testsuite/gcc.target/aarch64/simd/vcales_f32.c
index a69a096..cc87a63 100644
--- a/gcc/testsuite/gcc.target/aarch64/simd/vcales_f32.c
+++ b/gcc/testsuite/gcc.target/aarch64/simd/vcales_f32.c
@@ -14,7 +14,7 @@ volatile float32_t in[SIZE] = { -10.4, -3.14, 0.0, 1.5, 5.3, 532.3 };
 int
 main (void)
 {
-  uint32_t expected;
+  volatile uint32_t expected;
   uint32_t actual;
 
   int i, j;
diff --git a/gcc/testsuite/gcc.target/aarch64/simd/vcaltd_f64.c b/gcc/testsuite/gcc.target/aarch64/simd/vcaltd_f64.c
index fcdd75b..6ae9d8a 100644
--- a/gcc/testsuite/gcc.target/aarch64/simd/vcaltd_f64.c
+++ b/gcc/testsuite/gcc.target/aarch64/simd/vcaltd_f64.c
@@ -14,7 +14,7 @@ volatile float64_t in[SIZE] = { -10.4, -3.14, 0.0, 1.5, 5.3, 532.3 };
 int
 main (void)
 {
-  uint64_t expected;
+  volatile uint64_t expected;
   uint64_t actual;
 
   int i, j;
diff --git a/gcc/testsuite/gcc.target/aarch64/simd/vcalts_f32.c b/gcc/testsuite/gcc.target/aarch64/simd/vcalts_f32.c
index 0799dd7..88d3eb3 100644
--- a/gcc/testsuite/gcc.target/aarch64/simd/vcalts_f32.c
+++ b/gcc/testsuite/gcc.target/aarch64/simd/vcalts_f32.c
@@ -14,7 +14,7 @@ volatile float32_t in[SIZE] = { -10.4, -3.14, 0.0, 1.5, 5.3, 532.3 };
 int
 main (void)
 {
-  uint32_t expected;
+  volatile uint32_t expected;
   uint32_t actual;
 
   int i, j;