re PR middle-end/56022 (ICE (segfault) at convert_memory_address_addr_space (explow.c:334))

2013-01-21  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/56022
	* function.c (allocate_struct_function): Call
	invoke_set_current_function_hook earlier.

testsuite/
	* gcc.target/i386/pr56022.c: New test.

From-SVN: r195341

gcc/ChangeLog

+2013-01-21  Martin Jambor  <mjambor@suse.cz>
+
+	PR middle-end/56022
+	* function.c (allocate_struct_function): Call
+	invoke_set_current_function_hook earlier.
+
 2013-01-21  Jakub Jelinek  <jakub@redhat.com>
 
 	* reload1.c (init_reload): Only initialize reload_obstack

gcc/function.c

@@ -4479,7 +4479,6 @@ get_last_funcdef_no (void)
 void
 allocate_struct_function (tree fndecl, bool abstract_p)
 {
-  tree result;
   tree fntype = fndecl ? TREE_TYPE (fndecl) : NULL_TREE;
 
   cfun = ggc_alloc_cleared_function ();
@@ -4498,8 +4497,13 @@ allocate_struct_function (tree fndecl, bool abstract_p)
       DECL_STRUCT_FUNCTION (fndecl) = cfun;
       cfun->decl = fndecl;
       current_function_funcdef_no = get_next_funcdef_no ();
+    }
+
+  invoke_set_current_function_hook (fndecl);
 
-      result = DECL_RESULT (fndecl);
+  if (fndecl != NULL_TREE)
+    {
+      tree result = DECL_RESULT (fndecl);
       if (!abstract_p && aggregate_value_p (result, fndecl))
 	{
 #ifdef PCC_STATIC_STRUCT_RETURN
@@ -4518,8 +4522,6 @@ allocate_struct_function (tree fndecl, bool abstract_p)
          but is this worth the hassle?  */
       cfun->can_throw_non_call_exceptions = flag_non_call_exceptions;
     }
-
-  invoke_set_current_function_hook (fndecl);
 }
 
 /* This is like allocate_struct_function, but pushes a new cfun for FNDECL

gcc/testsuite/ChangeLog

+2013-01-21  Martin Jambor  <mjambor@suse.cz>
+
+	PR middle-end/56022
+	* gcc.target/i386/pr56022.c: New test.
+
 2013-01-21  Jason Merrill  <jason@redhat.com>
 
 	* lib/target-supports.exp (check_effective_target_alias): New.

gcc/testsuite/gcc.target/i386/pr56022.c

+/* { dg-do compile } */
+/* { dg-options "-mavx" } */
+
+typedef float __m256 __attribute__ ((__vector_size__ (32), __may_alias__));
+__attribute__((target("no-avx"))) static int currentImplementationSupported()
+{}
+__m256 foo0(__m256 a) {}