gdb_server: use more local variables in inner loop of fetching packetstiny refactoring to allow optimisation of inner loops
Some profiling information for arm7 16MHz GDB load operation shows
gdb_get_packet_inner() near the very top.
Each sample counts as 0.01 seconds.
% cumulative self self total
time seconds seconds calls Ts/call Ts/call name
52.91 2.27 2.27 embeddedice_write_dcc
11.89 2.78 0.51 gdb_get_packet_inner
8.86 3.16 0.38 memcpy
3.26 3.30 0.14 idle_thread_main(unsigned int)
3.03 3.43 0.13 cyg_in_cksum
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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