--- /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;

 +}