[Bug middle-end/65855] missing optimization: triangular numbers

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Apr 27 12:11:00 GMT 2015


Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
                 CC|                            |ktietz at gcc dot gnu.org,
                   |                            |rguenth at gcc dot gnu.org

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
shorten_compare in the C frontend family performs the (long unsigned int)
n_3(D) != 18446744073709551615 simplification.  Nothing in fold-const.c or
match.pd does.

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