2011-11-11 Jakub Jelinek <jakub@redhat.com>
+ PR tree-optimization/51091
+ * tree-stdarg.c (execute_optimize_stdarg): Ignore TREE_CLOBBER_P
+ rhs also in the va_list_simple_ptr case.
+
PR tree-optimization/51058
* tree-vect-slp.c (vect_remove_slp_scalar_calls): New function.
(vect_schedule_slp): Call it.
/* Pass computing data for optimizing stdarg functions.
- Copyright (C) 2004, 2005, 2007, 2008, 2009, 2010
+ Copyright (C) 2004, 2005, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
Contributed by Jakub Jelinek <jakub@redhat.com>
if (get_gimple_rhs_class (gimple_assign_rhs_code (stmt))
== GIMPLE_SINGLE_RHS)
{
+ /* Check for ap ={v} {}. */
+ if (TREE_CLOBBER_P (rhs))
+ continue;
+
/* Check for tem = ap. */
- if (va_list_ptr_read (&si, rhs, lhs))
+ else if (va_list_ptr_read (&si, rhs, lhs))
continue;
/* Check for the last insn in:
/* Check for ap ={v} {}. */
if (TREE_CLOBBER_P (rhs))
continue;
+
/* Check for ap[0].field = temp. */
else if (va_list_counter_struct_op (&si, lhs, rhs, true))
continue;