re PR rtl-optimization/38034 (Unnecessary register move)

re PR rtl-optimization/38034 (Unnecessary register move)

gcc/

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/38034
	* config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
	gr_register_operand with gr_reg_or_0_operand.
	(cmpxchg_rel_di): Likewise.
	(sync_lock_test_and_set<mode>): Likewise.

gcc/testsuite/

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/38034
	* gcc.target/ia64/sync-1.c: New.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r145135