+2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
+
+ * config/avr/avr.c (avr_option_override): Set
+ PARAM_ALLOW_STORE_DATA_RACES to 1.
+
2016-02-02 Richard Biener <rguenther@suse.de>
PR tree-optimization/69595
#include "expr.h"
#include "langhooks.h"
#include "cfgrtl.h"
+#include "params.h"
#include "builtins.h"
#include "context.h"
#include "tree-pass.h"
if (avr_strict_X)
flag_caller_saves = 0;
+ /* Allow optimizer to introduce store data races. This used to be the
+ default - it was changed because bigger targets did not see any
+ performance decrease. For the AVR though, disallowing data races
+ introduces additional code in LIM and increases reg pressure. */
+
+ maybe_set_param_value (PARAM_ALLOW_STORE_DATA_RACES, 1,
+ global_options.x_param_values,
+ global_options_set.x_param_values);
+
/* Unwind tables currently require a frame pointer for correctness,
see toplev.c:process_options(). */