Re: [PATCH] parisc: futex: Use same lock set as lws calls

[John David Anglin <dave.anglin@xxxxxxxx>]

On 21-Oct-11, at 2:15 PM, Carlos O'Donell wrote:

> On Fri, Oct 21, 2011 at 2:11 PM, John David Anglin <dave.anglin@xxxxxxxx 
> > wrote:
> > On 10/21/2011 1:42 PM, John David Anglin wrote:
> > > Yes.  The issue here is expand_call doesn't appear to be aware that
> > > loading the
> > > address of a __thread variable may require a call.  Thus, it just  
> > > emits an
> > > insn to
> > > load r26.  This load is dead because r26 is reloaded for the call to
> > > __tls_get_addr.
> >
> > It appears this may be caused by treating TLS symbols as legitimate
> > constants.
>
> Which they are not in any of the *_DYNAMIC modes, because the dynamic
> linker is involved in their placement.


This problem is fixed in the GCC trunk and 4.4, 4.5 and 4.6 branches.   
libmpfr4-3.1.0
now passes all tests.

Dave
--
John David Anglin	dave.anglin@xxxxxxxx



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