Hi,
attached patch changes PARAM_INLINE_CALL_COST for AVR target to 5
instead of gcc default of 12. . This reduces code size regression due
too aggressive inlining.
Tested on 4.4 HEAD with no regressions
Ok for 4.4 HEAD?
2008-07-22 Andy Hutchinson <
hutchinsonandy@...>
* config/avr/avr.c (avr_override_options): Reduce value of
PARAM_INLINE_CALL_COST.
Index: gcc/config/avr/avr.c
===================================================================
--- gcc/config/avr/avr.c (revision 138071)
+++ gcc/config/avr/avr.c (working copy)
@@ -43,6 +43,7 @@
#include "tm_p.h"
#include "target.h"
#include "target-def.h"
+#include "params.h"
#include "df.h"
/* Maximal allowed offset for an address in the LD command */
@@ -348,6 +349,9 @@
flag_delete_null_pointer_checks = 0;
+ if (!PARAM_SET_P (PARAM_INLINE_CALL_COST))
+ set_param_value ("inline-call-cost", 5);
+
for (t = avr_mcu_types; t->name; t++)
if (strcmp (t->name, avr_mcu_name) == 0)
break;
