public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/97765] [11 Regression] ICE at -Os: in clear_slot, at hash-table.h:891 since r11-4796-g600be7f09ea1ea4b
Date: Mon, 09 Nov 2020 13:07:15 +0000 [thread overview]
Message-ID: <bug-97765-4-EXLur4sQQa@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-97765-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97765
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:17c25a454e056f4677649a5ed4a8b8587d29177c
commit r11-4831-g17c25a454e056f4677649a5ed4a8b8587d29177c
Author: Richard Biener <rguenther@suse.de>
Date: Mon Nov 9 11:09:01 2020 +0100
Use a per-edge PRE PHI translation cache
This changes the phi translation cache to be per edge which
pushes it off the profiling radar. For larger testcases the
combined hashtable causes a load of cache misses and making it
per edge allows to shrink the entry further.
2020-11-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/97765
* tree-ssa-pre.c (bb_bitmap_sets::phi_translate_table): Add.
(PHI_TRANS_TABLE): New macro.
(phi_translate_table): Remove.
(expr_pred_trans_d::pred): Remove.
(expr_pred_trans_d::hash): Simplify.
(expr_pred_trans_d::equal): Likewise.
(phi_trans_add): Adjust.
(phi_translate): Likewise. Remove hash-table expansion
detection and optimization.
(phi_translate_set): Allocate PHI_TRANS_TABLE here.
(init_pre): Adjsust.
(fini_pre): Free PHI_TRANS_TABLE.
next prev parent reply other threads:[~2020-11-09 13:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-09 11:45 [Bug tree-optimization/97765] New: ICE at -Os: in clear_slot, at hash-table.h:891 zhendong.su at inf dot ethz.ch
2020-11-09 12:18 ` [Bug tree-optimization/97765] [11 Regression] ICE at -Os: in clear_slot, at hash-table.h:891 since r11-4796-g600be7f09ea1ea4b marxin at gcc dot gnu.org
2020-11-09 12:20 ` rguenth at gcc dot gnu.org
2020-11-09 13:07 ` cvs-commit at gcc dot gnu.org [this message]
2020-11-09 13:08 ` rguenth at gcc dot gnu.org
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=bug-97765-4-EXLur4sQQa@http.gcc.gnu.org/bugzilla/ \
--to=gcc-bugzilla@gcc.gnu.org \
--cc=gcc-bugs@gcc.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).