[PATCH 2/2] OMAP: disable unaligned access when building the IFT

Enrico Scholz enrico.scholz at sigma-chemnitz.de
Wed Dec 5 09:43:58 EST 2012


Enrico Scholz
<enrico.scholz-wttK6gPy29v+Hn7q9Vec/7NAH6kLmebB at public.gmane.org>
writes:

> Patch sets the ARM_NOUNALIGNED option introduced by a previous patch.

just for the record: difference between both aligned/unaligned variants
is

$ bloat-o-meter barebox barebox.unaligned 
add/remove: 0/0 grow/shrink: 1/32 up/down: 4/-2648 (-2644)
function                                     old     new   delta
show_progress                                292     296      +4
usb_new_device                              1980    1972      -8
usb_get_configuration_no                     156     148      -8
rpc_req                                      232     220     -12
ping_send                                    152     140     -12
parse_partition_table                        776     764     -12
net_icmp_send                                 64      52     -12
dhcp_handler                                 700     684     -16
net_udp_send                                  56      36     -20
usb_control_msg                              164     140     -24
ubi_io_write_vid_hdr                         140     116     -24
ubi_eba_read_leb                             640     616     -24
ubi_change_vtbl_record                       208     184     -24
net_udp_new                                  136     112     -24
net_ip_send                                  156     120     -36
erase_worker                                 900     856     -44
ubi_scan_erase_peb                           220     172     -48
tftp_handler                                 752     688     -64
validate_vid_hdr                             212     140     -72
ubi_io_write_ec_hdr                          208     136     -72
net_receive                                  920     848     -72
ubi_scan                                    1596    1504     -92
ubi_cdev_ioctl                               236     140     -96
ubi_read_volume_table                       2072    1968    -104
create_vtbl                                  664     560    -104
vtbl_check                                   816     696    -120
ubi_io_read_ec_hdr                           660     516    -144
ubi_create_volume                           1276    1108    -168
ubi_eba_copy_leb                             904     712    -192
ubi_io_read_vid_hdr                          856     660    -196
ubi_eba_write_leb                           1628    1412    -216
ubi_eba_write_leb_st                         944     704    -240
ubi_scan_add_used                           1872    1524    -348



Enrico



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