On Sat, Aug 24, 2013 at 5:55 AM, Jeroen Hofstee <jer...@myspectrum.nl>wrote:
> The movt/movw instruction can be used to hardcode an > memory location in the instruction itself. The linker > starts complaining about this if the compiler decides > to do so: "relocation R_ARM_MOVW_ABS_NC against `a local > symbol' can not be used" and it is not support by U-boot > as well. Prevent their use by requiring word relocations. > This allows u-boot to be build at other optimalization > levels then -Os. > > Signed-off-by: Jeroen Hofstee <jer...@myspectrum.nl> > Cc: tiger...@viatech.com.cn > Cc: Albert ARIBAUD <albert.u.b...@aribaud.net> > This is useful I think. I'm not sure that -O0 works very well anymore (at least I need to make a few tweaks to use it), but -O1 is useful in some cases to provide better debugging. Acked-by: Simon Glass <s...@chromium.org>
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