public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "liuhongt at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/112579] bb vectorizer failed to reduction sum += inv >> {1,2,3,4,5,6,7,8}
Date: Fri, 17 Nov 2023 05:41:03 +0000 [thread overview]
Message-ID: <bug-112579-4-NA4a68fYMc@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-112579-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112579
--- Comment #1 from liuhongt at gcc dot gnu.org ---
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 1, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D), type of def:
external
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 3, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 4, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 5, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 6, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 7, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 8, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 9, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 10, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 11, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 12, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 13, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 14, type of def:
internal
test.c:28:8: note: vect_is_simple_use: operand qh_16(D) >> 15, type of def:
internal
test.c:28:8: note: === vect_analyze_slp ===
test.c:28:8: note: Starting SLP discovery for
test.c:28:8: note: _15 = qh_16(D) >> 15;
test.c:28:8: note: _14 = qh_16(D) >> 14;
test.c:28:8: note: _13 = qh_16(D) >> 13;
test.c:28:8: note: _12 = qh_16(D) >> 12;
test.c:28:8: note: _11 = qh_16(D) >> 11;
test.c:28:8: note: _10 = qh_16(D) >> 10;
test.c:28:8: note: _9 = qh_16(D) >> 9;
test.c:28:8: note: _8 = qh_16(D) >> 8;
test.c:28:8: note: _7 = qh_16(D) >> 7;
test.c:28:8: note: _6 = qh_16(D) >> 6;
test.c:28:8: note: _5 = qh_16(D) >> 5;
test.c:28:8: note: _4 = qh_16(D) >> 4;
test.c:28:8: note: _3 = qh_16(D) >> 3;
test.c:28:8: note: _1 = qh_16(D) >> 1;
test.c:28:8: note: _2 = qh_16(D) >> 2;
test.c:28:8: note: starting SLP discovery for node 0x5d4e740
test.c:28:8: note: Build SLP for _15 = qh_16(D) >> 15;
test.c:28:8: note: get vectype for scalar type (group size 14): unsigned int
test.c:28:8: note: vectype: vector(1) unsigned int
test.c:28:8: note: nunits = 1
test.c:28:8: missed: Build SLP failed: op not supported by target.
test.c:28:8: note: SLP discovery for node 0x5d4e740 failed
test.c:28:8: note: SLP discovery failed
next prev parent reply other threads:[~2023-11-17 5:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-17 2:57 [Bug tree-optimization/112579] New: " liuhongt at gcc dot gnu.org
2023-11-17 5:41 ` liuhongt at gcc dot gnu.org [this message]
2023-11-17 5:43 ` [Bug tree-optimization/112579] bb vectorizer failed to reduction sum += inv >> {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15} liuhongt at gcc dot gnu.org
2023-11-17 6:02 ` liuhongt at gcc dot gnu.org
2023-11-17 6:12 ` liuhongt at gcc dot gnu.org
2023-11-17 6:18 ` pinskia at gcc dot gnu.org
2023-11-17 6:19 ` pinskia 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-112579-4-NA4a68fYMc@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).