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From: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
To: barebox@lists.infradead.org
Subject: Re: [PATCH 2/2] OMAP: disable unaligned access when building the IFT
Date: Wed, 05 Dec 2012 15:43:58 +0100	[thread overview]
Message-ID: <lyobi88spd.fsf@ensc-virt.intern.sigma-chemnitz.de> (raw)
In-Reply-To: <1354622569-7673-2-git-send-email-enrico.scholz@sigma-chemnitz.de> (Enrico Scholz's message of "Tue, 4 Dec 2012 13:02:49 +0100")

Enrico Scholz
<enrico.scholz-wttK6gPy29v+Hn7q9Vec/7NAH6kLmebB@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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      parent reply	other threads:[~2012-12-05 14:44 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-04 12:02 [PATCH 1/2] ARM: added Kconfig option for -mno-unaligned compiler flag Enrico Scholz
2012-12-04 12:02 ` [PATCH 2/2] OMAP: disable unaligned access when building the IFT Enrico Scholz
2012-12-05 10:46   ` Sascha Hauer
2012-12-05 11:33     ` Enrico Scholz
2012-12-05 11:43       ` Enrico Scholz
2012-12-05 12:15       ` Sascha Hauer
2012-12-05 13:25         ` Enrico Scholz
2012-12-05 14:43   ` Enrico Scholz [this message]

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