http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53961
--- Comment #9 from Uros Bizjak <ubizjak at gmail dot com> 2012-07-14 21:48:32
UTC ---
Can you test following patch that prevents non-register AND address operands:
--cut here--
Index: i386.c
===================================================================
--- i386.c (revision 189483)
+++ i386.c (working copy)
@@ -11591,7 +11591,8 @@ ix86_decompose_address (rtx addr, struct ix86_addr
if (GET_CODE (addr) == SUBREG
&& GET_MODE (SUBREG_REG (addr)) == SImode)
addr = SUBREG_REG (addr);
- else if (GET_MODE (addr) == DImode)
+ else if (REG_P (addr)
+ && GET_MODE (addr) == DImode)
addr = gen_rtx_SUBREG (SImode, addr, 0);
else if (GET_MODE (addr) != VOIDmode)
return 0;
--cut here--
