On Tue, Apr 03, 2018 at 08:27:20PM +0000, Alexey Brodkin wrote: > Hi Tom, > > On Tue, 2018-04-03 at 16:25 -0400, Tom Rini wrote: > > On Tue, Apr 03, 2018 at 08:21:06PM +0000, Alexey Brodkin wrote: > > > Hi Tom, > > > > > > On Tue, 2018-04-03 at 16:17 -0400, Tom Rini wrote: > > > > On Mon, Apr 02, 2018 at 12:18:02PM +0300, Alexey Brodkin wrote: > > > > > > > > > With the most recent tools for ARC (arc-2017.09) in case of > > > > > "naked" function compiler throws a warning: > > > > > ---------------------------------->8----------------------------- > > > > > board/synopsys/hsdk/hsdk.c: In function 'hsdk_core_init_f': > > > > > board/synopsys/hsdk/hsdk.c:345:1: warning: stack usage computation > > > > > not supported for this target > > > > > } > > > > > ^ > > > > > ---------------------------------->8----------------------------- > > > > > > > > > > That happens because the compiler doesn't handle "naked" functions > > > > > as a special case where stack calculation shouldn't be done. > > > > > > > > > > But for now until this is fixed in GCC to get clean buildman output > > > > > we're disabling stack-usage check for ARC. > > > > > > > > > > See https://lists.denx.de/pipermail/u-boot/2018-April/324455.html > > > > > for more background. > > > > > > > > > > Signed-off-by: Alexey Brodkin <[email protected]> > > > > > Cc: Masahiro Yamada <[email protected]> > > > > > Cc: Tom Rini <[email protected]> > > > > > > > > Erm, this patch isn't working for me. I take the current ARC PR, and > > > > apply this, and I still see the warning showing up. > > > > > > How do you see an issue? > > > Could you please make sure arc-2017.09 tools are used but not arc-2016.09? > > > See my change for TravisCI in the same PR. > > > > ... but the patch here is disabling -fstack-usage altogether for ARC, > > yes? > > Right, but that's a temporary "patch" for the problem in hand. > Once GCC 8.x gets released we'll just switch to it and that problem shouldn't > bother us any longer.
OK. But this patch doesn't work and we're trying -fstack-usage is the problem I see :) -- Tom
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