diff options
Diffstat (limited to 'gcc/multiple_target.c')
| -rw-r--r-- | gcc/multiple_target.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/multiple_target.c b/gcc/multiple_target.c index ecf69fc..a676798 100644 --- a/gcc/multiple_target.c +++ b/gcc/multiple_target.c @@ -36,6 +36,8 @@ along with GCC; see the file COPYING3. If not see #include "pretty-print.h" #include "gimple-iterator.h" #include "gimple-walk.h" +#include "tree-inline.h" +#include "intl.h" /* Walker callback that replaces all FUNCTION_DECL of a function that's going to be versioned. */ @@ -312,6 +314,22 @@ expand_target_clones (struct cgraph_node *node, bool definition) return false; } + if (node->definition + && !tree_versionable_function_p (node->decl)) + { + error_at (DECL_SOURCE_LOCATION (node->decl), + "clones for %<target_clones%> attribute cannot be created"); + const char *reason = NULL; + if (lookup_attribute ("noclone", DECL_ATTRIBUTES (node->decl))) + reason = G_("function %q+F can never be copied " + "because it has %<noclone%> attribute"); + else + reason = copy_forbidden (DECL_STRUCT_FUNCTION (node->decl)); + if (reason) + inform (DECL_SOURCE_LOCATION (node->decl), reason, node->decl); + return false; + } + char *attr_str = XNEWVEC (char, attr_len); int attrnum = get_attr_str (arglist, attr_str); char **attrs = XNEWVEC (char *, attrnum); |