[Bug rtl-optimization/98863] WRF with LTO consumes a lot of memory in REE, CPROP, PRE and LRA passes

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98863

--- Comment #30 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:972918eea873f8b1663151316c4b3aee7ae028e2

commit r11-7005-g972918eea873f8b1663151316c4b3aee7ae028e2
Author: Richard Biener <rguent...@suse.de>
Date:   Mon Feb 1 09:18:43 2021 +0100

    rtl-optimization/98863 - prune RD with LIVE in STV

    This sets DF_RD_PRUNE_DEAD_DEFS like all other uses of the UD/DU
    chain problems which makes the RD problem consume a lot less memory.

    2021-02-01  Richard Biener  <rguent...@suse.de>

            PR rtl-optimization/98863
            * config/i386/i386-features.c (convert_scalars_to_vector):
            Set DF_RD_PRUNE_DEAD_DEFS.