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SubjectRe: [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


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