2009-09-04 Alexandre Oliva <aoliva@redhat.com>
+ * toplev.c (process_options): Move setter of flag_var_tracking
+ before other tests that depend on it. Move down setter of
+ flag_rename_registers. Don't enable var-tracking-assignments
+ by default if selective scheduling is enabled. Warn if both
+ are enabled.
+
+2009-09-04 Alexandre Oliva <aoliva@redhat.com>
+
* var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match
comment. Use switch statement to catch overlaps between rtx
and tree codes. Accept FUNCTION_DECLs in addition to those in...
flag_var_tracking_uninit = 0;
}
- if (flag_rename_registers == AUTODETECT_VALUE)
- flag_rename_registers = default_debug_hooks->var_location
- != do_nothing_debug_hooks.var_location;
+ /* If the user specifically requested variable tracking with tagging
+ uninitialized variables, we need to turn on variable tracking.
+ (We already determined above that variable tracking is feasible.) */
+ if (flag_var_tracking_uninit)
+ flag_var_tracking = 1;
if (flag_var_tracking == AUTODETECT_VALUE)
flag_var_tracking = optimize >= 1;
if (flag_var_tracking_assignments == AUTODETECT_VALUE)
- flag_var_tracking_assignments = flag_var_tracking;
+ flag_var_tracking_assignments = flag_var_tracking
+ && !(flag_selective_scheduling || flag_selective_scheduling2);
if (flag_var_tracking_assignments_toggle)
flag_var_tracking_assignments = !flag_var_tracking_assignments;
if (flag_var_tracking_assignments && !flag_var_tracking)
flag_var_tracking = flag_var_tracking_assignments = -1;
+ if (flag_var_tracking_assignments
+ && (flag_selective_scheduling || flag_selective_scheduling2))
+ warning (0, "var-tracking-assignments changes selective scheduling");
+
+ if (flag_rename_registers == AUTODETECT_VALUE)
+ flag_rename_registers = default_debug_hooks->var_location
+ != do_nothing_debug_hooks.var_location;
+
if (flag_tree_cselim == AUTODETECT_VALUE)
#ifdef HAVE_conditional_move
flag_tree_cselim = 1;
flag_tree_cselim = 0;
#endif
- /* If the user specifically requested variable tracking with tagging
- uninitialized variables, we need to turn on variable tracking.
- (We already determined above that variable tracking is feasible.) */
- if (flag_var_tracking_uninit)
- flag_var_tracking = 1;
-
/* If auxiliary info generation is desired, open the output file.
This goes in the same directory as the source file--unlike
all the other output files. */