dot johnson at andrew dot com
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: 3.4.2
GCC host triplet: sparc-sun-solaris2.8
GCC target triplet: sparc-sun-solaris2.8
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21389
--- Additional Comments From drew dot johnson at andrew dot com 2005-05-04
19:38 ---
Created an attachment (id=8820)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=8820&action=view)
compile with -O3 or higher, and execution generates seg-fault
The included file compiles wi
--
What|Removed |Added
Attachment #8820|compile with -O3 or higher, |compile with -O1 or higher,
description|and execution generates seg-|and execution generates seg-
--- Additional Comments From drew dot johnson at andrew dot com 2005-05-06
18:53 ---
(In reply to comment #0)
> When -O3 or higher is used, the optimizer utilizes the lddf sparc
instruction
> to load doubles into registers. This can generate a bus-error/seg-fault at
> runti
--- Additional Comments From drew dot johnson at andrew dot com 2005-05-06
19:04 ---
Subject: RE: optimized code seg faults due to double load on sparcV9
I don't think so. Malloc does not guarantee anything but mod-4
alignment. You have to use memalign to get something bette
--- Additional Comments From drew dot johnson at andrew dot com 2005-05-06
19:47 ---
Subject: RE: optimized code seg faults due to double load on sparcV9
Then what is the point of the -munaligned-doubles flag? Is this simply
ignored? I understand your point about malloc, but what if
--- Additional Comments From drew dot johnson at andrew dot com 2005-05-10
12:57 ---
Subject: RE: optimized code seg faults due to double load on sparcV9
OK, I see your point. Sorry for inconvenience. I see that the status
in bugzilla has been updated accordingly. Is there anything
