[GOOGLE] Unrestrict early inline restrictions for AutoFDO
Dehao Chen
dehao@google.com
Tue Jun 4 16:51:00 GMT 2013
Patch updated to set the iteration threshold to 10 for AutoFDO.
Performance test shows ok.
OK for google-4_8 branch?
Thanks,
Dehao
Index: gcc/ipa-inline.c
===================================================================
--- gcc/ipa-inline.c (revision 199593)
+++ gcc/ipa-inline.c (working copy)
@@ -2161,8 +2161,7 @@ early_inliner (void)
{
/* We iterate incremental inlining to get trivial cases of indirect
inlining. */
- while ((flag_auto_profile
- || iterations < PARAM_VALUE (PARAM_EARLY_INLINER_MAX_ITERATIONS))
+ while (iterations < PARAM_VALUE (PARAM_EARLY_INLINER_MAX_ITERATIONS)
&& early_inline_small_functions (node))
{
timevar_push (TV_INTEGRATION);
Index: gcc/opts.c
===================================================================
--- gcc/opts.c (revision 199593)
+++ gcc/opts.c (working copy)
@@ -784,6 +784,10 @@ finish_options (struct gcc_options *opts, struct g
opts->x_param_values, opts_set->x_param_values);
}
+ if (opts->x_flag_auto_profile)
+ maybe_set_param_value (PARAM_EARLY_INLINER_MAX_ITERATIONS, 10,
+ opts->x_param_values, opts_set->x_param_values);
+
if (opts->x_flag_lto)
{
#ifdef ENABLE_LTO
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