diff options
| -rw-r--r-- | gcc/ipa-fnsummary.cc | 3 | ||||
| -rw-r--r-- | gcc/lto/lto-lang.cc | 13 |
2 files changed, 16 insertions, 0 deletions
diff --git a/gcc/ipa-fnsummary.cc b/gcc/ipa-fnsummary.cc index 33f1936..4c062fe 100644 --- a/gcc/ipa-fnsummary.cc +++ b/gcc/ipa-fnsummary.cc @@ -255,6 +255,9 @@ redirect_to_unreachable (struct cgraph_edge *e) struct cgraph_node *target = cgraph_node::get_create (builtin_decl_unreachable ()); + gcc_checking_assert (lookup_attribute ("cold", + DECL_ATTRIBUTES (target->decl))); + if (e->speculative) e = cgraph_edge::resolve_speculation (e, target->decl); else if (!e->callee) diff --git a/gcc/lto/lto-lang.cc b/gcc/lto/lto-lang.cc index 652d7fc..e41b548 100644 --- a/gcc/lto/lto-lang.cc +++ b/gcc/lto/lto-lang.cc @@ -60,6 +60,7 @@ static tree ignore_attribute (tree *, tree, tree, int, bool *); static tree handle_format_attribute (tree *, tree, tree, int, bool *); static tree handle_fnspec_attribute (tree *, tree, tree, int, bool *); static tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); +static tree handle_cold_attribute (tree *, tree, tree, int, bool *); /* Helper to define attribute exclusions. */ #define ATTR_EXCL(name, function, type, variable) \ @@ -128,6 +129,8 @@ static const attribute_spec lto_gnu_attributes[] = handle_sentinel_attribute, NULL }, { "type generic", 0, 0, false, true, true, false, handle_type_generic_attribute, NULL }, + { "cold", 0, 0, false, false, false, false, + handle_cold_attribute, NULL }, { "fn spec", 1, 1, false, true, true, false, handle_fnspec_attribute, NULL }, { "transaction_pure", 0, 0, false, true, true, false, @@ -598,6 +601,16 @@ handle_fnspec_attribute (tree *node ATTRIBUTE_UNUSED, tree ARG_UNUSED (name), return NULL_TREE; } +/* Handle a "cold" attribute; arguments as in + struct attribute_spec.handler. */ + +static tree +handle_cold_attribute (tree *, tree, tree, int, bool *) +{ + /* Nothing to be done here. */ + return NULL_TREE; +} + /* Cribbed from c-common.cc. */ static void |