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* [Bug target/99461] New: [11 Regression] ICE in extract_constrain_insn, at recog.c:2670 since r11-7526-g9105757a59b89019
@ 2021-03-08 10:49 marxin at gcc dot gnu.org
2021-03-08 11:05 ` [Bug target/99461] " marxin at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-03-08 10:49 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99461
Bug ID: 99461
Summary: [11 Regression] ICE in extract_constrain_insn, at
recog.c:2670 since r11-7526-g9105757a59b89019
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
CC: vmakarov at redhat dot com
Target Milestone: ---
Host: x86_64-linux-gnu
The following fails, it's reduced from qemu package:
$ cat qemu.i
struct saveBDAstate {
short vbe_mode;
};
void __set_seg_ES();
struct saveBDAstate bda_save_restore(struct saveBDAstate *data) {
struct saveBDAstate *info = data;
__set_seg_ES();
__asm__("" : "=m"(info->vbe_mode));
__asm__("" : : ""(info));
}
$ gcc qemu.i -Os -m16 -S
qemu.i: In function ‘bda_save_restore’:
qemu.i:12:1: error: unrecognizable insn:
12 | }
| ^
(insn 8 7 9 2 (parallel [
(set (mem:HI (mem/f/c:SI (plus:SI (reg/f:SI 6 bp)
(const_int 12 [0xc])) [3 data+0 S4 A32]) [2
data_1(D)->vbe_mode+0 S2 A16])
(asm_operands:HI ("") ("=m") 0 []
[]
[] qemu.i:10))
(clobber (reg:CC 17 flags))
]) "qemu.i":10:3 -1
(nil))
during RTL pass: reload
qemu.i:12:1: internal compiler error: in extract_constrain_insn, at
recog.c:2670
0x6ff1e1 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/marxin/Programming/gcc/gcc/rtl-error.c:108
0x6ff203 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/marxin/Programming/gcc/gcc/rtl-error.c:116
0x6fd485 extract_constrain_insn(rtx_insn*)
/home/marxin/Programming/gcc/gcc/recog.c:2670
0xcca32f check_rtl
/home/marxin/Programming/gcc/gcc/lra.c:2087
0xcceb1e lra(_IO_FILE*)
/home/marxin/Programming/gcc/gcc/lra.c:2505
0xc85934 do_reload
/home/marxin/Programming/gcc/gcc/ira.c:5827
0xc85934 execute
/home/marxin/Programming/gcc/gcc/ira.c:6013
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] 5+ messages in thread
* [Bug target/99461] [11 Regression] ICE in extract_constrain_insn, at recog.c:2670 since r11-7526-g9105757a59b89019
2021-03-08 10:49 [Bug target/99461] New: [11 Regression] ICE in extract_constrain_insn, at recog.c:2670 since r11-7526-g9105757a59b89019 marxin at gcc dot gnu.org
@ 2021-03-08 11:05 ` marxin at gcc dot gnu.org
2021-03-08 11:05 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-03-08 11:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99461
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2021-03-08
Target Milestone|--- |11.0
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/99461] [11 Regression] ICE in extract_constrain_insn, at recog.c:2670 since r11-7526-g9105757a59b89019
2021-03-08 10:49 [Bug target/99461] New: [11 Regression] ICE in extract_constrain_insn, at recog.c:2670 since r11-7526-g9105757a59b89019 marxin at gcc dot gnu.org
2021-03-08 11:05 ` [Bug target/99461] " marxin at gcc dot gnu.org
@ 2021-03-08 11:05 ` rguenth at gcc dot gnu.org
2021-03-08 11:10 ` marxin at gcc dot gnu.org
2021-03-08 18:58 ` vmakarov at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-03-08 11:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99461
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Looks like a dup.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/99461] [11 Regression] ICE in extract_constrain_insn, at recog.c:2670 since r11-7526-g9105757a59b89019
2021-03-08 10:49 [Bug target/99461] New: [11 Regression] ICE in extract_constrain_insn, at recog.c:2670 since r11-7526-g9105757a59b89019 marxin at gcc dot gnu.org
2021-03-08 11:05 ` [Bug target/99461] " marxin at gcc dot gnu.org
2021-03-08 11:05 ` rguenth at gcc dot gnu.org
@ 2021-03-08 11:10 ` marxin at gcc dot gnu.org
2021-03-08 18:58 ` vmakarov at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-03-08 11:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99461
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #1)
> Looks like a dup.
I haven't found a PR that would start with the revision..
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/99461] [11 Regression] ICE in extract_constrain_insn, at recog.c:2670 since r11-7526-g9105757a59b89019
2021-03-08 10:49 [Bug target/99461] New: [11 Regression] ICE in extract_constrain_insn, at recog.c:2670 since r11-7526-g9105757a59b89019 marxin at gcc dot gnu.org
` (2 preceding siblings ...)
2021-03-08 11:10 ` marxin at gcc dot gnu.org
@ 2021-03-08 18:58 ` vmakarov at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: vmakarov at gcc dot gnu.org @ 2021-03-08 18:58 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99461
Vladimir Makarov <vmakarov at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |DUPLICATE
CC| |vmakarov at gcc dot gnu.org
--- Comment #3 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
It is a duplicate of PR99422. With patch for PR99422, the crash is gone.
*** This bug has been marked as a duplicate of bug 99422 ***
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2021-03-08 18:58 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2021-03-08 10:49 [Bug target/99461] New: [11 Regression] ICE in extract_constrain_insn, at recog.c:2670 since r11-7526-g9105757a59b89019 marxin at gcc dot gnu.org
2021-03-08 11:05 ` [Bug target/99461] " marxin at gcc dot gnu.org
2021-03-08 11:05 ` rguenth at gcc dot gnu.org
2021-03-08 11:10 ` marxin at gcc dot gnu.org
2021-03-08 18:58 ` vmakarov at gcc dot gnu.org
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