reload move2add may drop mode truncation

Alexandre Oliva aoliva@redhat.com
Sun May 11 02:14:00 GMT 2003


On May 10, 2003, Andreas Jaeger <aj@suse.de> wrote:

> Alexandre Oliva <aoliva@redhat.com> writes:
>> On Apr 17, 2003, Alexandre Oliva <aoliva@redhat.com> wrote:
>> 
>>> * reload1.c (reload_cse_move2add): Don't turn an implicit
>>> truncation into a self-set in the narrow mode.
>> 
>> Ping?
>> http://gcc.gnu.org/ml/gcc-patches/2003-04/msg01389.html

> This patch is broken, now bootstrap on i686-linux-gnu fails with
> checking enabled:

Sorry.  I should probably have bootstrapped it again before checking
it in, since it had been such a long time since it was initially
posted :-(

> Alexandre, please look into this,

I'm reverting the second part of the patch for now.  I wasn't so sure
it was actually necessary (the problem I had was fixed with the first
half).

Here's what I'm checking in.

Thanks for reporting the problem and, again, apologies for the
lossage.

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-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                 aoliva@{redhat.com, gcc.gnu.org}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist                Professional serial bug killer


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