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-rw-r--r--gcc/cp/decl.cc20
-rw-r--r--gcc/cp/decl2.cc12
-rw-r--r--gcc/testsuite/g++.target/i386/mv31.C10
3 files changed, 34 insertions, 8 deletions
diff --git a/gcc/cp/decl.cc b/gcc/cp/decl.cc
index 31cae4d..5f59612 100644
--- a/gcc/cp/decl.cc
+++ b/gcc/cp/decl.cc
@@ -1069,11 +1069,14 @@ decls_match (tree newdecl, tree olddecl, bool record_versions /* = true */)
if (types_match
&& !DECL_EXTERN_C_P (newdecl)
&& !DECL_EXTERN_C_P (olddecl)
- && record_versions
- && maybe_version_functions (newdecl, olddecl,
- (!DECL_FUNCTION_VERSIONED (newdecl)
- || !DECL_FUNCTION_VERSIONED (olddecl))))
- return 0;
+ && targetm.target_option.function_versions (newdecl, olddecl))
+ {
+ if (record_versions)
+ maybe_version_functions (newdecl, olddecl,
+ (!DECL_FUNCTION_VERSIONED (newdecl)
+ || !DECL_FUNCTION_VERSIONED (olddecl)));
+ return 0;
+ }
}
else if (TREE_CODE (newdecl) == TEMPLATE_DECL)
{
@@ -2598,7 +2601,12 @@ duplicate_decls (tree newdecl, tree olddecl, bool hiding, bool was_hidden)
else
{
retrofit_lang_decl (newdecl);
- DECL_LOCAL_DECL_ALIAS (newdecl) = DECL_LOCAL_DECL_ALIAS (olddecl);
+ tree alias = DECL_LOCAL_DECL_ALIAS (newdecl)
+ = DECL_LOCAL_DECL_ALIAS (olddecl);
+ DECL_ATTRIBUTES (alias)
+ = (*targetm.merge_decl_attributes) (alias, newdecl);
+ if (TREE_CODE (newdecl) == FUNCTION_DECL)
+ merge_attribute_bits (newdecl, alias);
}
}
diff --git a/gcc/cp/decl2.cc b/gcc/cp/decl2.cc
index c780702..e10331f 100644
--- a/gcc/cp/decl2.cc
+++ b/gcc/cp/decl2.cc
@@ -1637,8 +1637,16 @@ find_last_decl (tree decl)
if (TREE_CODE (*iter) == OVERLOAD)
continue;
- if (decls_match (decl, *iter, /*record_decls=*/false))
- return *iter;
+ tree d = *iter;
+
+ /* We can't compare versions in the middle of processing the
+ attribute that has the version. */
+ if (TREE_CODE (d) == FUNCTION_DECL
+ && DECL_FUNCTION_VERSIONED (d))
+ return NULL_TREE;
+
+ if (decls_match (decl, d, /*record_decls=*/false))
+ return d;
}
return NULL_TREE;
}
diff --git a/gcc/testsuite/g++.target/i386/mv31.C b/gcc/testsuite/g++.target/i386/mv31.C
new file mode 100644
index 0000000..5d8fd1d
--- /dev/null
+++ b/gcc/testsuite/g++.target/i386/mv31.C
@@ -0,0 +1,10 @@
+// PR c++/104669
+
+void bar()
+{
+ int foo(void);
+ int foo(void) __attribute__((target("sse")));
+ int foo(void) __attribute__((target("default")));
+ int (*p)(void) = &foo;
+ return;
+}