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
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@ -1,3 +1,9 @@
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2017-06-30 Martin Liska <mliska@suse.cz>
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PR ipa/81214
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* multiple_target.c (create_dispatcher_calls): Make ifunc
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also for function that don't have calls or are not referenced.
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2017-06-30 Richard Biener <rguenther@suse.de>
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* tree-vect-slp.c (vect_slp_analyze_node_operations): Only
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@ -68,6 +68,38 @@ create_dispatcher_calls (struct cgraph_node *node)
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|| !is_function_default_version (node->decl))
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return;
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if (!targetm.has_ifunc_p ())
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{
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error_at (DECL_SOURCE_LOCATION (node->decl),
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"the call requires ifunc, which is not"
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" supported by this target");
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return;
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}
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else if (!targetm.get_function_versions_dispatcher)
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{
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error_at (DECL_SOURCE_LOCATION (node->decl),
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"target does not support function version dispatcher");
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return;
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}
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tree idecl = targetm.get_function_versions_dispatcher (node->decl);
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if (!idecl)
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{
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error_at (DECL_SOURCE_LOCATION (node->decl),
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"default target_clones attribute was not set");
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return;
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}
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cgraph_node *inode = cgraph_node::get (idecl);
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gcc_assert (inode);
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tree resolver_decl = targetm.generate_version_dispatcher_body (inode);
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/* Update aliases. */
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inode->alias = true;
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inode->alias_target = resolver_decl;
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if (!inode->analyzed)
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inode->resolve_alias (cgraph_node::get (resolver_decl));
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auto_vec<cgraph_edge *> edges_to_redirect;
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auto_vec<ipa_ref *> references_to_redirect;
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@ -80,38 +112,6 @@ create_dispatcher_calls (struct cgraph_node *node)
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if (!edges_to_redirect.is_empty () || !references_to_redirect.is_empty ())
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{
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if (!targetm.has_ifunc_p ())
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{
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error_at (DECL_SOURCE_LOCATION (node->decl),
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"the call requires ifunc, which is not"
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" supported by this target");
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return;
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}
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else if (!targetm.get_function_versions_dispatcher)
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{
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error_at (DECL_SOURCE_LOCATION (node->decl),
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"target does not support function version dispatcher");
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return;
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}
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tree idecl = targetm.get_function_versions_dispatcher (node->decl);
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if (!idecl)
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{
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error_at (DECL_SOURCE_LOCATION (node->decl),
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"default target_clones attribute was not set");
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return;
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}
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cgraph_node *inode = cgraph_node::get (idecl);
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gcc_assert (inode);
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tree resolver_decl = targetm.generate_version_dispatcher_body (inode);
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/* Update aliases. */
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inode->alias = true;
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inode->alias_target = resolver_decl;
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if (!inode->analyzed)
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inode->resolve_alias (cgraph_node::get (resolver_decl));
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/* Redirect edges. */
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unsigned i;
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cgraph_edge *e;
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@ -1,3 +1,8 @@
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2017-06-30 Martin Liska <mliska@suse.cz>
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PR ipa/81214
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* gcc.target/i386/pr81214.c: New test.
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2017-06-30 Nathan Sidwell <nathan@acm.org>
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* g++.dg/plugin/decl-plugin-test.C: Expect special ctor name.
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@ -0,0 +1,14 @@
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/* PR ipa/81214. */
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/* { dg-do compile } */
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/* { dg-require-ifunc "" } */
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__attribute__((target_clones("avx","arch=slm","arch=core-avx2","default")))
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int
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foo ()
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{
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return -2;
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}
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/* { dg-final { scan-assembler "\t.globl\tfoo" } } */
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/* { dg-final { scan-assembler "foo.resolver:" } } */
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/* { dg-final { scan-assembler "foo, @gnu_indirect_function" } } */
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