------- Comment #3 from ubizjak at gmail dot com 2010-05-03 16:12 -------
Can you try this patch:
--cut here--
Index: alpha.c
===================================================================
--- alpha.c (revision 158970)
+++ alpha.c (working copy)
@@ -842,7 +842,8 @@ alpha_legitimate_address_p (enum machine
#endif
/* Register plus a small constant offset is valid. */
- if (GET_CODE (x) == PLUS)
+ if (mode == DImode
+ && GET_CODE (x) == PLUS)
{
rtx ofs = XEXP (x, 1);
x = XEXP (x, 0);
--cut here--
The core of the problem is 32bit POINTER_MODE, defined in vms.h and the fact,
that nothing prevents non-DImode address_operands from entering various
expanders. These expanders wrongly assume that decorating match_operand with DI
will magically fix wrong mode.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43973
