diff options
author | Martin Liska <mliska@suse.cz> | 2017-06-30 15:51:19 +0200 |
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committer | Martin Liska <marxin@gcc.gnu.org> | 2017-06-30 13:51:19 +0000 |
commit | aaa587d46d4bf67cda5c8b4b41a53eb1b32aed68 (patch) | |
tree | 0cbb040984fd8ae6082e093fb4c9eea8329632b0 /gcc/multiple_target.c | |
parent | bd2f172f0b67c88ad3dd6126e8ee6fd4e87b6787 (diff) |
Fix removal of ifunc (PR ipa/81214).
2017-06-30 Martin Liska <mliska@suse.cz>
PR ipa/81214
* gcc.target/i386/pr81214.c: New test.
2017-06-30 Martin Liska <mliska@suse.cz>
PR ipa/81214
* multiple_target.c (create_dispatcher_calls): Make ifunc
also for function that don't have calls or are not referenced.
From-SVN: r249840
Diffstat (limited to 'gcc/multiple_target.c')
-rw-r--r-- | gcc/multiple_target.c | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/gcc/multiple_target.c b/gcc/multiple_target.c index eddc7d3744b..0d7cc3a2939 100644 --- a/gcc/multiple_target.c +++ b/gcc/multiple_target.c @@ -68,6 +68,38 @@ create_dispatcher_calls (struct cgraph_node *node) || !is_function_default_version (node->decl)) return; + if (!targetm.has_ifunc_p ()) + { + error_at (DECL_SOURCE_LOCATION (node->decl), + "the call requires ifunc, which is not" + " supported by this target"); + return; + } + else if (!targetm.get_function_versions_dispatcher) + { + error_at (DECL_SOURCE_LOCATION (node->decl), + "target does not support function version dispatcher"); + return; + } + + tree idecl = targetm.get_function_versions_dispatcher (node->decl); + if (!idecl) + { + error_at (DECL_SOURCE_LOCATION (node->decl), + "default target_clones attribute was not set"); + return; + } + + cgraph_node *inode = cgraph_node::get (idecl); + gcc_assert (inode); + tree resolver_decl = targetm.generate_version_dispatcher_body (inode); + + /* Update aliases. */ + inode->alias = true; + inode->alias_target = resolver_decl; + if (!inode->analyzed) + inode->resolve_alias (cgraph_node::get (resolver_decl)); + auto_vec<cgraph_edge *> edges_to_redirect; auto_vec<ipa_ref *> references_to_redirect; @@ -80,38 +112,6 @@ create_dispatcher_calls (struct cgraph_node *node) if (!edges_to_redirect.is_empty () || !references_to_redirect.is_empty ()) { - if (!targetm.has_ifunc_p ()) - { - error_at (DECL_SOURCE_LOCATION (node->decl), - "the call requires ifunc, which is not" - " supported by this target"); - return; - } - else if (!targetm.get_function_versions_dispatcher) - { - error_at (DECL_SOURCE_LOCATION (node->decl), - "target does not support function version dispatcher"); - return; - } - - tree idecl = targetm.get_function_versions_dispatcher (node->decl); - if (!idecl) - { - error_at (DECL_SOURCE_LOCATION (node->decl), - "default target_clones attribute was not set"); - return; - } - - cgraph_node *inode = cgraph_node::get (idecl); - gcc_assert (inode); - tree resolver_decl = targetm.generate_version_dispatcher_body (inode); - - /* Update aliases. */ - inode->alias = true; - inode->alias_target = resolver_decl; - if (!inode->analyzed) - inode->resolve_alias (cgraph_node::get (resolver_decl)); - /* Redirect edges. */ unsigned i; cgraph_edge *e; |