1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/udivmod-1.c b/gcc/testsuite/gcc.target/i386/udivmod-1.c
new file mode 100644
index 000000000..eebd84362
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/udivmod-1.c
@@ -0,0 +1,31 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -m8bit-idiv" } */
+
+extern void abort (void);
+
+void
+__attribute__((noinline))
+test (unsigned int x, unsigned int y, unsigned int q, unsigned int r)
+{
+  if ((x / y) != q || (x % y) != r)
+    abort ();
+}
+
+int
+main ()
+{
+  test (7, 6, 1, 1);
+  test (255, 254, 1, 1);
+  test (256, 254, 1, 2);
+  test (256, 256, 1, 0);
+  test (254, 256, 0, 254);
+  test (254, 255, 0, 254);
+  test (254, 1, 254, 0);
+  test (255, 2, 127, 1);
+  test (1, 256, 0, 1);
+  test (0x80000000, 0x7fffffff, 1, 1);
+  test (0x7fffffff, 0x80000000, 0, 0x7fffffff);
+  test (0x80000000, 0x80000003, 0, 0x80000000);
+  test (0xfffffffd, 0xfffffffe, 0, 0xfffffffd);
+  return 0;
+}