http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47744
--- Comment #18 from H.J. Lu <hjl.tools at gmail dot com> 2011-07-17 21:28:02
UTC ---
(In reply to comment #16)
> Following patch to original ix86_decompose_address solves all failures for me:
>
> --cut here--
> Index: i386.c
> ===================================================================
> --- i386.c (revision 176373)
> +++ i386.c (working copy)
> @@ -11149,8 +11149,11 @@ ix86_decompose_address (rtx addr, struct
> return 0;
> break;
>
> - case REG:
> case SUBREG:
> + if (GET_CODE (op) != REG)
> + return 0;
> +
> + case REG:
> if (!base)
> base = op;
> else if (!index)
> --cut here--
This is the same as
---
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index c728c51..414b528 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -11380,7 +11382,6 @@ ix86_decompose_address (rtx addr, struct ix86_address
*out)
break;
case REG:
- case SUBREG:
if (!base)
base = op;
else if (!index)
--
