1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/avx512dq-pr82855.c b/gcc/testsuite/gcc.target/i386/avx512dq-pr82855.c
new file mode 100644
index 00000000000..563454c3578
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512dq-pr82855.c
@@ -0,0 +1,14 @@
+/* PR target/82855 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -mavx512vl -mavx512dq" } */
+/* { dg-final { scan-assembler {\mktestb\M} } } */
+
+#include <immintrin.h>
+
+int
+foo (const __m256i *ptr)
+{
+  __m256i v = _mm256_loadu_si256 (ptr);
+  __mmask8 m = _mm256_cmpeq_epi32_mask (v, _mm256_setzero_si256 ());
+  return 0 == m;
+}