[Bug rtl-optimization/98863] [11 Regression] WRF with LTO consumes a lot of memory in REE, FWPROP and x86 specific passes
cvs-commit at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Feb 3 10:27:05 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98863
--- Comment #37 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:ab5b267e1e2d29c4f1acf39af85e247894193168
commit r10-9338-gab5b267e1e2d29c4f1acf39af85e247894193168
Author: Richard Biener <rguenther@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 <rguenther@suse.de>
PR rtl-optimization/98863
* config/i386/i386-features.c (convert_scalars_to_vector):
Set DF_RD_PRUNE_DEAD_DEFS.
(cherry picked from commit 972918eea873f8b1663151316c4b3aee7ae028e2)
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