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Subject: [Bug middle-end/90773] Improve piecewise operation
Date: Tue, 27 Apr 2021 15:23:39 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D90773

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by H.J. Lu <hjl@gcc.gnu.org>:

https://gcc.gnu.org/g:3bb41228d76b3a3cbd9923d57388f0903f7683de

commit r12-162-g3bb41228d76b3a3cbd9923d57388f0903f7683de
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Apr 26 15:36:18 2021 -0700

    op_by_pieces_d::run: Change a while loop to a do-while loop

    Change a while loop in op_by_pieces_d::run to a do-while loop to prepare
    for offset adjusted operation for the remaining bytes on the last piece
    operation of a memory region.

            PR middle-end/90773
            * expr.c (op_by_pieces_d::get_usable_mode): New member function.
            (op_by_pieces_d::run): Cange a while loop to a do-while loop.=