[PATCH]: set but not used, part 4

[d binderman]

Hello there,

I just had a look at the source code of gcc version 4.5 snapshot 20091126
and here is part 4 of removing some set but not used local variables.

The changes seemed to bootstrap and test ok to me.

2009-11-27  David Binderman <dcb314@hotmail.com>

        * gcc/ira-color.c (put_allocno_into_bucket): Remove set but not used
        local variable hard_regs_num.
        * gcc/ira-lives.c (process_single_reg_class_operands): Remove cover_class.
        * gcc/loop-unswitch.c (unswitch_loop): Remove zero_bitmap.
        * gcc/lower-subreg.c (decompose_multiword_subregs): Remove next.


Regards

David Binderman

 		 	   		  
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