Re: Thumb mode IT instruction requirements and -mimplicit-it assembler flag

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On Sun, 2011-09-18 at 03:43 -0400, Jon Masters wrote:
> On Sat, 2011-09-17 at 23:18 +0200, Henrik Nordström wrote:
> > The armv7 distro bootstrap have run into a number of packages failing to
> > compile in Thumb mode (default enabled in rpmrc)
> 
> It shouldn't be enabled. I'll go look again, but remember that we
> override what's in the global RPM config via redhat-rpm-config macros.
> We explicitly decided not to use Thumb for this reason (and others).

Yup, I'm right. Take a look at:

/usr/lib/rpm/redhat/rpmrc

vs:

/usr/lib/rpm/rpmrc

The former should override the latter, and Thumb is explicitly disabled.
Now as to what's happening for the specific package you're looking at,
it's probably the case that it has an erroneous assumption around T2 and
forces it on for ARMv7 (which I've seen done in various packages). Can
you clarify with an example so we can look into it in this thread?

Jon.


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