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[Bug optimization/14700] [3.3.3/3.4/3.5 regression ] ICE in verify_wide_reg with global registers



------- Additional Comments From ebotcazou at gcc dot gnu dot org  2004-03-29 10:27 -------
The regression was introduced by:

    2003-05-14  Eric Christopher  <echristo@redhat.com>

	* combine.c: Fix header comments.
	(distribute_notes): Remove usage of elim_i1, elim_i2. Propagate
	to all calls and prototype.

which was backported to the 3.3 branch by:

    2003-12-16  Zack Weinberg  <zack@codesourcery.com>

	Backport the following patches from mainline.


The assignment

  (MR_mr2) = 0;

is wrongly deleted by the combiner.  This probably means that global register
variables are still broken.


-- 
           What    |Removed                     |Added
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                 CC|                            |echristo at redhat dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14700

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