Messages in this thread | | | Date | Wed, 11 Nov 2009 08:18:32 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH RFC] [X86] performance improvement for memcpy_64.S by fast string. |
| |
* Ma, Ling <ling.ma@intel.com> wrote:
> Hi All > Please use the memcpy.c(cc -o memcpy memcpy.c -O2) to test more cases, > if you have interest. In this program we did simple modification > on memcpy_new function.
FYI:
earth4:~/s> cc -o memcpy memcpy.c -O2 memcpy.c: In function 'do_one_throughput': memcpy.c:45: error: impossible register constraint in 'asm' memcpy.c:53: error: impossible register constraint in 'asm' memcpy.c:47: error: impossible register constraint in 'asm' memcpy.c:53: error: impossible register constraint in 'asm'
Ingo
| |