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[Bug middle-end/48493] [4.6/4.7 Regression] ice in expand_expr_addr_expr_1 with complex types and mem_ref
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 30 May 2012 12:42:28 +0000
- Subject: [Bug middle-end/48493] [4.6/4.7 Regression] ice in expand_expr_addr_expr_1 with complex types and mem_ref
- Auto-submitted: auto-generated
- References: <bug-48493-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48493
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |4.8.0
Summary|[4.6/4.7/4.8 Regression] |[4.6/4.7 Regression] ice in
|ice in |expand_expr_addr_expr_1
|expand_expr_addr_expr_1 |with complex types and
|with complex types and |mem_ref
|mem_ref |
--- Comment #11 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-30 12:42:28 UTC ---
Can somebody test
Index: gcc/expr.c
===================================================================
--- gcc/expr.c (revision 188009)
+++ gcc/expr.c (working copy)
@@ -4593,6 +4593,7 @@ expand_assignment (tree to, tree from, b
if ((TREE_CODE (to) == MEM_REF
|| TREE_CODE (to) == TARGET_MEM_REF)
&& mode != BLKmode
+ && !mem_ref_refers_to_non_mem_p (to)
&& ((align = get_object_or_type_alignment (to))
< GET_MODE_ALIGNMENT (mode))
&& ((icode = optab_handler (movmisalign_optab, mode))
on arm? That's pre-approved if it passes bootstrap & regtest (it works on
the testcase with a cross and is an obvious partial backport from trunk
r185336).
Thus, the testcase works for me on trunk.