--- Comment #6 from ubizjak at gmail dot com 2009-11-04 16:47 ---
This is called "red zone" and is part of x86_64 ABI. Use -mno-red-zone if you
don't like this feature for some reason.
--
ubizjak at gmail dot com changed:
What|Removed |Added
--
--- Comment #5 from mikpe at it dot uu dot se 2009-11-04 15:47 ---
On x86_64 there's a 128 byte area below %rsp which is free to use without first
setting up a stack frame. This is described in the x86_64 ABI document. The
Linux kernel skips this area before pushing signal handler stack
--- Comment #4 from freddy77 at gmail dot com 2009-11-04 15:39 ---
Oh... I forgot. I used gcc from Ubuntu 9.10 distro either gcc 4.4.1, g++ 4.4.1,
gcc 4.3.4 and g++ 4.3.4 have same issue. The issue does not occur using -Os
option (which use push instructions)
--
http://gcc.gnu.org/b
--- Comment #3 from freddy77 at gmail dot com 2009-11-04 15:37 ---
Created an attachment (id=18967)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18967&action=view)
gcc command output
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41941
--- Comment #2 from freddy77 at gmail dot com 2009-11-04 15:37 ---
Created an attachment (id=18966)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18966&action=view)
output assembly
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41941
--- Comment #1 from freddy77 at gmail dot com 2009-11-04 15:37 ---
Created an attachment (id=18965)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18965&action=view)
source code
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41941
