1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/20020108-1.c b/gcc/testsuite/gcc.dg/20020108-1.c
new file mode 100644
index 000000000..d61944c59
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/20020108-1.c
@@ -0,0 +1,17 @@
+/* This testcase failed on i686 because (const_int -1) was changed into
+   (const_int 0xffff) when storing it into SImode pseudo, but was not
+   converted back to (const_int -1) when returning from store_expr,
+   eventhough target was (subreg:HI (reg/v:SI indx)).  But (const_int 0xffff)
+   is not valid general_operand in HImode.  */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-options "-O2 -mtune=i686" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+
+
+void
+foo (unsigned short *cp)
+{
+  unsigned short indx;
+
+  *cp = indx = 0xFFFF;
+}