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ipa-fnsummary.c (ipa_call_context::estimate_size_and_time, [...]): Micro optimize.

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* ipa-fnsummary.c (ipa_call_context::estimate_size_and_time,
	ipa_merge_fn_summary_after_inlining): Micro optimize.

From-SVN: r278222
This commit is contained in:
Jan Hubicka 2019-11-14 14:38:13 +01:00 committed by Jan Hubicka
parent 79f1d85218
commit fd4656a28a
2 changed files with 11 additions and 2 deletions

5
gcc/ChangeLog

@ -1,3 +1,8 @@
2019-11-14 Jan Hubicka <hubicka@ucw.cz>
* ipa-fnsummary.c (ipa_call_context::estimate_size_and_time,
ipa_merge_fn_summary_after_inlining): Micro optimize.
2019-11-14 Jan Hubicka <hubicka@ucw.cz>
* params.opt (max-inline-insns-single-O2): Set to 70 (instead of 30).

8
gcc/ipa-fnsummary.c

@ -3353,7 +3353,10 @@ ipa_call_context::estimate_size_and_time (int *ret_size,
m_inline_param_summary);
gcc_checking_assert (prob >= 0);
gcc_checking_assert (prob <= REG_BR_PROB_BASE);
time += e->time * prob / REG_BR_PROB_BASE;
if (prob == REG_BR_PROB_BASE)
time += e->time;
else
time += e->time * prob / REG_BR_PROB_BASE;
}
gcc_checking_assert (time >= 0);
}
@ -3707,7 +3710,8 @@ ipa_merge_fn_summary_after_inlining (struct cgraph_edge *edge)
sreal add_time = ((sreal)e->time * freq);
int prob = e->nonconst_predicate.probability (callee_info->conds,
clause, es->param);
add_time = add_time * prob / REG_BR_PROB_BASE;
if (prob != REG_BR_PROB_BASE)
add_time = add_time * prob / REG_BR_PROB_BASE;
if (prob != REG_BR_PROB_BASE
&& dump_file && (dump_flags & TDF_DETAILS))
{