public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "burnus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/103396] [GCN][BUILD] ICE RTL check: access of elt 4 of vector with last elt 3 in move_callee_saved_registers, at config/gcn/gcn.c:2821
Date: Tue, 23 Nov 2021 21:20:49 +0000 [thread overview]
Message-ID: <bug-103396-4-gXuNCxNmJ6@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-103396-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103396
--- Comment #3 from Tobias Burnus <burnus at gcc dot gnu.org> ---
Created attachment 51864
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51864&action=edit
Reduced testcase – compile with -O2 -march=gfx900 / gfx906 / gfx908
Note: No ICE with -match=fiji
ICE at:
Breakpoint 1, move_callee_saved_registers (sp=0x7ffff73090f0,
offsets=0x7ffff7402e00, prologue=true)
at gcc-mainline/gcc/config/gcn/gcn.c:2821
2821 RTVEC_ELT (seq, count) = set;
with
(gdb) p debug_rtx(sp)
(reg/f:DI 16 s16)
(gdb) p debug_rtx(set)
(set/f (mem:DI (plus:DI (reg/f:DI 16 s16)
(const_int 8 [0x8])) [0 S8 A64])
(reg:DI 420 ?dwlr))
$18 = void
(gdb) p count
$8 = 4
(gdb) p *seq
$10 = {num_elem = 4, elem = {0x7ffff742ef30}}
(gdb) p *seq.elem
$11 = (rtx) 0x7ffff742ef30
(gdb) p seq.elem[0]
$12 = (rtx) 0x7ffff742ef30
(gdb) p debug_rtx(seq.elem[0])
(set/f (mem:SI (plus:DI (reg/f:DI 16 s16)
(const_int 0 [0])) [0 S4 A32])
(reg:SI 14 s14))
$13 = void
(gdb) p debug_rtx(seq.elem[1])
(set/f (mem:SI (plus:DI (reg/f:DI 16 s16)
(const_int 4 [0x4])) [0 S4 A32])
(reg:SI 15 s15))
$14 = void
(gdb) p debug_rtx(seq.elem[2])
(set/f (mem:SI (plus:DI (reg/f:DI 16 s16)
(const_int 8 [0x8])) [0 S4 A32])
(reg:SI 18 s18))
$15 = void
(gdb) p debug_rtx(seq.elem[3])
(set/f (mem:SI (plus:DI (reg/f:DI 16 s16)
(const_int 12 [0xc])) [0 S4 A32])
(reg:SI 19 s19))
$16 = void
next prev parent reply other threads:[~2021-11-23 21:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-23 20:48 [Bug target/103396] New: " burnus at gcc dot gnu.org
2021-11-23 21:13 ` [Bug target/103396] " pinskia at gcc dot gnu.org
2021-11-23 21:16 ` pinskia at gcc dot gnu.org
2021-11-23 21:20 ` burnus at gcc dot gnu.org [this message]
2021-11-23 21:25 ` [Bug target/103396] [12 Regression][GCN][BUILD] " burnus at gcc dot gnu.org
2021-11-24 12:30 ` ams at gcc dot gnu.org
2021-11-25 16:05 ` cvs-commit at gcc dot gnu.org
2021-11-25 16:14 ` ams 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-103396-4-gXuNCxNmJ6@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).