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2007-10-29 Richard Guenther <rguenther@suse.de> * tree-flow-inline.h (get_subvar_at): Use binary search. (get_first_overlapping_subvar): New function to binary search for the first overlapping subvar. * tree-ssa-operands.c (add_vars_for_offset): Strip down to just handle adding subvars for a pointed-to subvar. Optimize and use get_first_overlapping_subvar. (add_vars_for_bitmap): Fold into single caller. (add_virtual_operand): Streamline, inherit add_vars_for_bitmap and non pointed-to bits of add_vars_for_offset. From-SVN: r129727
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