PR rtl-optimization/20097
* simplify-rtx.c (simplify_relational_operation_1): Avoid creating
BImode SUBREGs of SImode registers which confuse the ia64 backend.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95461
138bc75d-0d04-0410-961f-
82ee72b054a4
+2005-02-23 Roger Sayle <roger@eyesopen.com>
+
+ PR target/20018
+ PR rtl-optimization/20097
+ * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
+ BImode SUBREGs of SImode registers which confuse the ia64 backend.
+
2005-02-23 David Edelsohn <edelsohn@gnu.org>
* t-aix43 (SHLIB_INSTALL): Create directory for shared library.
&& op1 == const0_rtx
&& GET_MODE_CLASS (mode) == MODE_INT
&& cmp_mode != VOIDmode
+ /* ??? Work-around BImode bugs in the ia64 backend. */
+ && mode != BImode
&& cmp_mode != BImode
&& nonzero_bits (op0, cmp_mode) == 1
&& STORE_FLAG_VALUE == 1)