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[Bug middle-end/60102] powerpc fp-bit ices at dwf_regno


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60102

Cesar Philippidis <cesar at codesourcery dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |cesar at codesourcery dot com

--- Comment #6 from Cesar Philippidis <cesar at codesourcery dot com> ---
I've found a similar problem with dwf_regno() when I tried to bootstrap a
ppc-eabispe compiler. The problem there is the register aliasing of r0 between
32 and 64-bit modes. The rs6000 backend uses pseudo registers to disambiguate
those two usages. 

I've posted a patch here
<http://gcc.gnu.org/ml/gcc-patches/2014-04/msg02064.html>, but it hasn't been
reviewed yet.


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