+2010-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/43661
+ * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
+
2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* doc/invoke.texi (Optimize Options): Document that LTO
tree variable1 = TREE_OPERAND (arg0, 0);
enum tree_code cmp_code = code;
- gcc_assert (!integer_zerop (const1));
+ /* Handle unfolded multiplication by zero. */
+ if (integer_zerop (const1))
+ return fold_build2_loc (loc, cmp_code, type, const1, const2);
fold_overflow_warning (("assuming signed overflow does not occur when "
"eliminating multiplication in comparison "
+2010-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/43661
+ * gcc.c-torture/compile/pr43661.c: New testcase.
+
2010-04-06 Jakub Jelinek <jakub@redhat.com>
* gcc.target/s390/stackcheck1.c: Add dg-warning.