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* [Bug target/98743] New: ICE in convert_move, at expr.c:220
@ 2021-01-19 10:29 marxin at gcc dot gnu.org
2021-01-19 10:31 ` [Bug target/98743] " marxin at gcc dot gnu.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-01-19 10:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98743
Bug ID: 98743
Summary: ICE in convert_move, at expr.c:220
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-linux
Target: riscv64-linux-gnu
I see the following with a cross compiler:
$ riscv64-linux-gnu-g++
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/cpp0x/initlist-value.C -Og
-fno-early-inlining -finline-small-functions -fpack-struct -c
during RTL pass: expand
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/cpp0x/initlist-value.C: In
function ‘int main()’:
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/cpp0x/initlist-value.C:24:26:
internal compiler error: in convert_move, at expr.c:220
24 | A* ap = new (&space) A{};
| ^
0x5f6b1a convert_move(rtx_def*, rtx_def*, int)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/expr.c:220
0x9a1787 store_expr(tree_node*, rtx_def*, int, bool, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/expr.c:5796
0x9a308c expand_assignment(tree_node*, tree_node*, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/expr.c:5465
0x89d96d expand_gimple_stmt_1
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/cfgexpand.c:3909
0x89d96d expand_gimple_stmt
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/cfgexpand.c:4007
0x8a1407 expand_gimple_basic_block
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/cfgexpand.c:6044
0x8a3696 execute
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/cfgexpand.c:6728
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/98743] ICE in convert_move, at expr.c:220
2021-01-19 10:29 [Bug target/98743] New: ICE in convert_move, at expr.c:220 marxin at gcc dot gnu.org
@ 2021-01-19 10:31 ` marxin at gcc dot gnu.org
2021-01-21 5:14 ` kito at gcc dot gnu.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-01-19 10:31 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98743
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Last reconfirmed| |2021-01-19
Status|UNCONFIRMED |NEW
CC| |andrew at sifive dot com,
| |kito at gcc dot gnu.org,
| |palmer at dabbelt dot com,
| |wilson at gcc dot gnu.org
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/98743] ICE in convert_move, at expr.c:220
2021-01-19 10:29 [Bug target/98743] New: ICE in convert_move, at expr.c:220 marxin at gcc dot gnu.org
2021-01-19 10:31 ` [Bug target/98743] " marxin at gcc dot gnu.org
@ 2021-01-21 5:14 ` kito at gcc dot gnu.org
2021-01-21 6:32 ` kito at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: kito at gcc dot gnu.org @ 2021-01-21 5:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98743
Kito Cheng <kito at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |kito at gcc dot gnu.org
--- Comment #1 from Kito Cheng <kito at gcc dot gnu.org> ---
Confirmed.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/98743] ICE in convert_move, at expr.c:220
2021-01-19 10:29 [Bug target/98743] New: ICE in convert_move, at expr.c:220 marxin at gcc dot gnu.org
2021-01-19 10:31 ` [Bug target/98743] " marxin at gcc dot gnu.org
2021-01-21 5:14 ` kito at gcc dot gnu.org
@ 2021-01-21 6:32 ` kito at gcc dot gnu.org
2021-01-22 7:57 ` kito at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: kito at gcc dot gnu.org @ 2021-01-21 6:32 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98743
--- Comment #2 from Kito Cheng <kito at gcc dot gnu.org> ---
ICE after g:6fbec038f7a7ddf29f074943611b53210d17c40c, hmmm...interesting...
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/98743] ICE in convert_move, at expr.c:220
2021-01-19 10:29 [Bug target/98743] New: ICE in convert_move, at expr.c:220 marxin at gcc dot gnu.org
` (2 preceding siblings ...)
2021-01-21 6:32 ` kito at gcc dot gnu.org
@ 2021-01-22 7:57 ` kito at gcc dot gnu.org
2021-02-02 8:56 ` cvs-commit at gcc dot gnu.org
2021-02-02 8:57 ` kito at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: kito at gcc dot gnu.org @ 2021-01-22 7:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98743
--- Comment #3 from Kito Cheng <kito at gcc dot gnu.org> ---
Seems like g:3e60ddeb8220ed388819bb3f14e8caa9309fd3c2 is the real root cause
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/98743] ICE in convert_move, at expr.c:220
2021-01-19 10:29 [Bug target/98743] New: ICE in convert_move, at expr.c:220 marxin at gcc dot gnu.org
` (3 preceding siblings ...)
2021-01-22 7:57 ` kito at gcc dot gnu.org
@ 2021-02-02 8:56 ` cvs-commit at gcc dot gnu.org
2021-02-02 8:57 ` kito at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-02-02 8:56 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98743
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Kito Cheng <kito@gcc.gnu.org>:
https://gcc.gnu.org/g:bc7c2b34c34f21ea58198ba58a48eb065bdda25d
commit r11-7032-gbc7c2b34c34f21ea58198ba58a48eb065bdda25d
Author: Kito Cheng <kito.cheng@sifive.com>
Date: Fri Jan 22 16:29:09 2021 +0800
PR target/98743: Fix ICE in convert_move for RISC-V
- Check `from` mode is not BLMmode before call store_expr, calling
store_expr
with BLKmode will cause ICE.
- Verified with riscv64, x86_64 and aarch64, no introduce new regression.
Note: Those logic was introduced by
3e60ddeb8220ed388819bb3f14e8caa9309fd3c2,
so I cc Jakub for reivew.
Changes for V2:
- Checking mode of `from` rather than mode of `to`.
- Verified on riscv64, x86_64 and aarch64 again.
gcc/ChangeLog:
PR target/98743
* expr.c: Check mode before calling store_expr.
gcc/testsuite/ChangeLog:
PR target/98743
* g++.dg/opt/pr98743.C: New.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/98743] ICE in convert_move, at expr.c:220
2021-01-19 10:29 [Bug target/98743] New: ICE in convert_move, at expr.c:220 marxin at gcc dot gnu.org
` (4 preceding siblings ...)
2021-02-02 8:56 ` cvs-commit at gcc dot gnu.org
@ 2021-02-02 8:57 ` kito at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: kito at gcc dot gnu.org @ 2021-02-02 8:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98743
Kito Cheng <kito at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #5 from Kito Cheng <kito at gcc dot gnu.org> ---
Fixed on trunk.
^ permalink raw reply [flat|nested] 7+ messages in thread
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2021-01-19 10:29 [Bug target/98743] New: ICE in convert_move, at expr.c:220 marxin at gcc dot gnu.org
2021-01-19 10:31 ` [Bug target/98743] " marxin at gcc dot gnu.org
2021-01-21 5:14 ` kito at gcc dot gnu.org
2021-01-21 6:32 ` kito at gcc dot gnu.org
2021-01-22 7:57 ` kito at gcc dot gnu.org
2021-02-02 8:56 ` cvs-commit at gcc dot gnu.org
2021-02-02 8:57 ` kito at gcc dot gnu.org
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