diff options
Diffstat (limited to 'gcc/ipa-inline-analysis.cc')
| -rw-r--r-- | gcc/ipa-inline-analysis.cc | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gcc/ipa-inline-analysis.cc b/gcc/ipa-inline-analysis.cc index 1ca685d..7bd29c3 100644 --- a/gcc/ipa-inline-analysis.cc +++ b/gcc/ipa-inline-analysis.cc @@ -48,6 +48,7 @@ along with GCC; see the file COPYING3. If not see #include "ipa-utils.h" #include "cfgexpand.h" #include "gimplify.h" +#include "attribs.h" /* Cached node/edge growths. */ fast_call_summary<edge_growth_cache_entry *, va_heap> *edge_growth_cache = NULL; @@ -249,15 +250,19 @@ do_estimate_edge_time (struct cgraph_edge *edge, sreal *ret_nonspec_time) hints = estimates.hints; } - /* When we have profile feedback, we can quite safely identify hot - edges and for those we disable size limits. Don't do that when - probability that caller will call the callee is low however, since it + /* When we have profile feedback or function attribute, we can quite safely + identify hot edges and for those we disable size limits. Don't do that + when probability that caller will call the callee is low however, since it may hurt optimization of the caller's hot path. */ - if (edge->count.ipa ().initialized_p () && edge->maybe_hot_p () + if ((edge->count.ipa ().initialized_p () && edge->maybe_hot_p () && (edge->count.ipa () * 2 > (edge->caller->inlined_to ? edge->caller->inlined_to->count.ipa () : edge->caller->count.ipa ()))) + || (lookup_attribute ("hot", DECL_ATTRIBUTES (edge->caller->decl)) + != NULL + && lookup_attribute ("hot", DECL_ATTRIBUTES (edge->callee->decl)) + != NULL)) hints |= INLINE_HINT_known_hot; gcc_checking_assert (size >= 0); |