diff options
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index 1a35af7..db64da5 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -511,6 +511,8 @@ static tree handle_packed_attribute (tree *, tree, tree, int, bool *); static tree handle_nocommon_attribute (tree *, tree, tree, int, bool *); static tree handle_common_attribute (tree *, tree, tree, int, bool *); static tree handle_noreturn_attribute (tree *, tree, tree, int, bool *); +static tree handle_hot_attribute (tree *, tree, tree, int, bool *); +static tree handle_cold_attribute (tree *, tree, tree, int, bool *); static tree handle_noinline_attribute (tree *, tree, tree, int, bool *); static tree handle_always_inline_attribute (tree *, tree, tree, int, bool *); @@ -648,6 +650,10 @@ const struct attribute_spec c_common_attribute_table[] = handle_warn_unused_result_attribute }, { "sentinel", 0, 1, false, true, true, handle_sentinel_attribute }, + { "cold", 0, 0, true, false, false, + handle_cold_attribute }, + { "hot", 0, 0, true, false, false, + handle_hot_attribute }, { NULL, 0, 0, false, false, false, NULL } }; @@ -4432,6 +4438,59 @@ handle_noreturn_attribute (tree *node, tree name, tree ARG_UNUSED (args), return NULL_TREE; } +/* Handle a "hot" and attribute; arguments as in + struct attribute_spec.handler. */ + +static tree +handle_hot_attribute (tree *node, tree name, tree ARG_UNUSED (args), + int ARG_UNUSED (flags), bool *no_add_attrs) +{ + if (TREE_CODE (*node) == FUNCTION_DECL) + { + if (lookup_attribute ("cold", DECL_ATTRIBUTES (*node)) != NULL) + { + warning (OPT_Wattributes, "%qE attribute conflicts with attribute %s", + name, "cold"); + *no_add_attrs = true; + } + /* Do nothing else, just set the attribute. We'll get at + it later with lookup_attribute. */ + } + else + { + warning (OPT_Wattributes, "%qE attribute ignored", name); + *no_add_attrs = true; + } + + return NULL_TREE; +} +/* Handle a "cold" and attribute; arguments as in + struct attribute_spec.handler. */ + +static tree +handle_cold_attribute (tree *node, tree name, tree ARG_UNUSED (args), + int ARG_UNUSED (flags), bool *no_add_attrs) +{ + if (TREE_CODE (*node) == FUNCTION_DECL) + { + if (lookup_attribute ("hot", DECL_ATTRIBUTES (*node)) != NULL) + { + warning (OPT_Wattributes, "%qE attribute conflicts with attribute %s", + name, "hot"); + *no_add_attrs = true; + } + /* Do nothing else, just set the attribute. We'll get at + it later with lookup_attribute. */ + } + else + { + warning (OPT_Wattributes, "%qE attribute ignored", name); + *no_add_attrs = true; + } + + return NULL_TREE; +} + /* Handle a "noinline" attribute; arguments as in struct attribute_spec.handler. */ |