1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/vector-compare-4.c b/gcc/testsuite/c-c++-common/vector-compare-4.c
new file mode 100644
index 00000000000..b44f474f395
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/vector-compare-4.c
@@ -0,0 +1,42 @@
+/* PR c/68062 */
+/* { dg-do compile } */
+/* { dg-options "-Wsign-compare" } */
+
+typedef signed char __attribute__ ((vector_size (4))) v4qi;
+typedef unsigned char __attribute__ ((vector_size (4))) uv4qi;
+typedef signed int __attribute__ ((vector_size (4 * __SIZEOF_INT__))) v4si;
+typedef unsigned int __attribute__ ((vector_size (4 * __SIZEOF_INT__))) uv4si;
+
+v4qi
+fn1 (void)
+{
+  v4qi a = { 1, 2, 3, 4 };
+  uv4qi b = { 4, 3, 2, 1 };
+  v4qi v = { 0, 0, 0, 0 };
+
+  v += (a == b); /* { dg-warning "comparison between types" } */
+  v += (a != b); /* { dg-warning "comparison between types" } */
+  v += (a >= b); /* { dg-warning "comparison between types" } */
+  v += (a <= b); /* { dg-warning "comparison between types" } */
+  v += (a > b); /* { dg-warning "comparison between types" } */
+  v += (a < b); /* { dg-warning "comparison between types" } */
+
+  return v;
+}
+
+v4si
+fn2 (void)
+{
+  v4si a = { 1, 2, 3, 4 };
+  uv4si b = { 4, 3, 2, 1 };
+  v4si v = { 0, 0, 0, 0 };
+
+  v += (a == b); /* { dg-warning "comparison between types" } */
+  v += (a != b); /* { dg-warning "comparison between types" } */
+  v += (a >= b); /* { dg-warning "comparison between types" } */
+  v += (a <= b); /* { dg-warning "comparison between types" } */
+  v += (a > b); /* { dg-warning "comparison between types" } */
+  v += (a < b); /* { dg-warning "comparison between types" } */
+
+  return v;
+}