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* [Bug target/94666] New: S/390: ICE on vectorized popcount
@ 2020-04-20 7:18 krebbel at gcc dot gnu.org
2020-04-20 7:20 ` [Bug target/94666] " krebbel at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: krebbel at gcc dot gnu.org @ 2020-04-20 7:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94666
Bug ID: 94666
Summary: S/390: ICE on vectorized popcount
Product: gcc
Version: 9.3.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: krebbel at gcc dot gnu.org
Target Milestone: ---
Created attachment 48308
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48308&action=edit
Testcase
Compiling the attached testcase with:
cc1plus -O3 -march=z13 t.cc
ICEs:
t.cc: In function ‘void h()’:
t.cc:16:1: error: unrecognizable insn:
16 | }
| ^
(insn 94 93 95 7 (set (reg:V16QI 434)
(unspec:V16QI [
(subreg:V16QI (subreg:V2DI (reg:V16QI 432) 0) 0)
] UNSPEC_POPCNT)) "t.cc":6:30 -1
(nil))
during RTL pass: vregs
t.cc:16:1: internal compiler error: in extract_insn, at recog.c:2294
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/94666] S/390: ICE on vectorized popcount
2020-04-20 7:18 [Bug target/94666] New: S/390: ICE on vectorized popcount krebbel at gcc dot gnu.org
@ 2020-04-20 7:20 ` krebbel at gcc dot gnu.org
2020-04-20 13:08 ` krebbel at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: krebbel at gcc dot gnu.org @ 2020-04-20 7:20 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94666
Andreas Krebbel <krebbel at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Ever confirmed|0 |1
Last reconfirmed| |2020-04-20
Assignee|unassigned at gcc dot gnu.org |krebbel at gcc dot gnu.org
--- Comment #1 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
Created attachment 48309
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48309&action=edit
Patch
The expander has to simplify the generated subreg in case the incoming operand
is already a subreg.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/94666] S/390: ICE on vectorized popcount
2020-04-20 7:18 [Bug target/94666] New: S/390: ICE on vectorized popcount krebbel at gcc dot gnu.org
2020-04-20 7:20 ` [Bug target/94666] " krebbel at gcc dot gnu.org
@ 2020-04-20 13:08 ` krebbel at gcc dot gnu.org
2020-04-20 18:10 ` krebbel at gcc dot gnu.org
2020-05-04 9:03 ` krebbel at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: krebbel at gcc dot gnu.org @ 2020-04-20 13:08 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94666
Andreas Krebbel <krebbel at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |doko at debian dot org
--- Comment #2 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
*** Bug 94670 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/94666] S/390: ICE on vectorized popcount
2020-04-20 7:18 [Bug target/94666] New: S/390: ICE on vectorized popcount krebbel at gcc dot gnu.org
2020-04-20 7:20 ` [Bug target/94666] " krebbel at gcc dot gnu.org
2020-04-20 13:08 ` krebbel at gcc dot gnu.org
@ 2020-04-20 18:10 ` krebbel at gcc dot gnu.org
2020-05-04 9:03 ` krebbel at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: krebbel at gcc dot gnu.org @ 2020-04-20 18:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94666
Andreas Krebbel <krebbel at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #3 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
I've just committed this patch to mainline (and forgot to mention the PR in the
ChangeLog :(
gcc/ChangeLog:
2020-04-20 Andreas Krebbel <krebbel@linux.ibm.com>
* config/s390/vector.md ("popcountv8hi2_vx", "popcountv4si2_vx")
("popcountv2di2_vx"): Use simplify_gen_subreg.
gcc/testsuite/ChangeLog:
2020-04-20 Andreas Krebbel <krebbel@linux.ibm.com>
* g++.dg/pr94666.C: New test.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/94666] S/390: ICE on vectorized popcount
2020-04-20 7:18 [Bug target/94666] New: S/390: ICE on vectorized popcount krebbel at gcc dot gnu.org
` (2 preceding siblings ...)
2020-04-20 18:10 ` krebbel at gcc dot gnu.org
@ 2020-05-04 9:03 ` krebbel at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: krebbel at gcc dot gnu.org @ 2020-05-04 9:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94666
Andreas Krebbel <krebbel at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
--- Comment #4 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
Patch committed to GCC 8 and 9 branch.
^ permalink raw reply [flat|nested] 5+ messages in thread
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2020-04-20 7:18 [Bug target/94666] New: S/390: ICE on vectorized popcount krebbel at gcc dot gnu.org
2020-04-20 7:20 ` [Bug target/94666] " krebbel at gcc dot gnu.org
2020-04-20 13:08 ` krebbel at gcc dot gnu.org
2020-04-20 18:10 ` krebbel at gcc dot gnu.org
2020-05-04 9:03 ` krebbel at gcc dot gnu.org
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