On 5/25/07, Sujith Manoharan <m.sujith@xxxxxxxxx> wrote:
On Thu, 2007-05-24 at 20:21 +0530, Vaidhy wrote:
Took me a bit to find out.. but here is the reason:
gcc replaces calls to structure copy and pass by value copies with a call to
a library call (memset and memcpy). That is the reason for you getting
different assembly code for char[64] and char[68]. It is not a compile time
option you can change. However, according to what I read, the code is in
asm-i386.h in function struct_cpy. The following post might help you better
:)
http://groups.google.co.in/group/fa.linux.kernel/browse_thread/thread/78b3bcaa2ba884f0/f08a4653d7eb5908?lnk=st&q=gcc+memcpy+64+bytes&rnum=5&hl=en#
Thanks a lot for that link.
And my problem is fixed now :)
regards,
Sujith
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