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--- /dev/null Sat Dec 14 13:56:51 2002
+++ gcc-3.3.1/gcc/testsuite/gcc.dg/pr11864-1.c Sun Sep 14 14:32:24 2003
@@ -0,0 +1,42 @@
+/* PR optimization/11864
+ * Reporter: Kazumoto Kojima <kkojima@gcc.gnu.org>
+ * Summary: [3.3/3.4 regression] miscompiles zero extension and test
+ * Description:
+ * gcc-3.3/3.4 -O2 for sh target may miscompile the combination of zero extension
+ * and test if it's zero.
+ *
+ * Testcase tweaked by dank@kegel.com. Not marked as xfail because it's a regression.
+ */
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+
+extern void abort(void);
+
+int val = 0xff00;
+
+int f(void)
+{
+ return val;
+}
+
+unsigned char a[1];
+
+void foo(void)
+{
+ a[0] = f() & 255;
+
+ if (!a[0])
+ a[0] = f() & 255;
+
+ if (!a[0])
+ a[0] = 1 + (f() & 127);
+}
+
+int main(int argc, char **argv)
+{
+ foo();
+ if (!a[0])
+ abort();
+
+ return 0;
+}
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