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* [Bug target/97703] New: [11 Regression] ICE in fix_reg_equiv_init at gcc/ira.c:2683
@ 2020-11-03 16:05 marxin at gcc dot gnu.org
2020-11-04 8:08 ` [Bug target/97703] " rguenth at gcc dot gnu.org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-11-03 16:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97703
Bug ID: 97703
Summary: [11 Regression] ICE in fix_reg_equiv_init at
gcc/ira.c:2683
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: ktkachov at gcc dot gnu.org, rdsandiford at googlemail dot com,
rearnsha at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-linux
Target: arm-linux-gnueabi
The following fails:
$ arm-linux-gnueabi-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/sync-1.c
-mcpu=cortex-r4f -Ofast -fno-toplevel-reorder -c
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/sync-1.c: In
function ‘test_op_ignore’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/sync-1.c:80:10:
note: ‘__sync_fetch_and_nand’ changed semantics in GCC 4.4
80 | (void) __sync_fetch_and_nand (&sc, 1);
| ^~~~~~~~~~~~~~~~~~~~~
during RTL pass: ira
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/sync-1.c:90:1:
internal compiler error: Segmentation fault
90 | }
| ^
0xb0e06f crash_signal
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/toplev.c:330
0x7ffff76ae6bf ???
/usr/src/debug/glibc-2.32-1.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x964bbb rtx_insn_list::next() const
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/rtl.h:1407
0x964bbb fix_reg_equiv_init
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/ira.c:2683
0x96cb8f fix_reg_equiv_init
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/ira.c:2674
0x96cb8f find_moveable_pseudos
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/ira.c:4874
0x96cb8f ira
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/ira.c:5533
0x96cb8f execute
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/ira.c:5861
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] 4+ messages in thread
* [Bug target/97703] [11 Regression] ICE in fix_reg_equiv_init at gcc/ira.c:2683
2020-11-03 16:05 [Bug target/97703] New: [11 Regression] ICE in fix_reg_equiv_init at gcc/ira.c:2683 marxin at gcc dot gnu.org
@ 2020-11-04 8:08 ` rguenth at gcc dot gnu.org
2021-01-14 9:36 ` rguenth at gcc dot gnu.org
2021-01-14 10:09 ` marxin at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-11-04 8:08 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97703
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |11.0
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/97703] [11 Regression] ICE in fix_reg_equiv_init at gcc/ira.c:2683
2020-11-03 16:05 [Bug target/97703] New: [11 Regression] ICE in fix_reg_equiv_init at gcc/ira.c:2683 marxin at gcc dot gnu.org
2020-11-04 8:08 ` [Bug target/97703] " rguenth at gcc dot gnu.org
@ 2021-01-14 9:36 ` rguenth at gcc dot gnu.org
2021-01-14 10:09 ` marxin at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-01-14 9:36 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97703
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
bisection? why is it a regression?
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/97703] [11 Regression] ICE in fix_reg_equiv_init at gcc/ira.c:2683
2020-11-03 16:05 [Bug target/97703] New: [11 Regression] ICE in fix_reg_equiv_init at gcc/ira.c:2683 marxin at gcc dot gnu.org
2020-11-04 8:08 ` [Bug target/97703] " rguenth at gcc dot gnu.org
2021-01-14 9:36 ` rguenth at gcc dot gnu.org
@ 2021-01-14 10:09 ` marxin at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-01-14 10:09 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97703
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Fixed on master.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2021-01-14 10:09 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2020-11-03 16:05 [Bug target/97703] New: [11 Regression] ICE in fix_reg_equiv_init at gcc/ira.c:2683 marxin at gcc dot gnu.org
2020-11-04 8:08 ` [Bug target/97703] " rguenth at gcc dot gnu.org
2021-01-14 9:36 ` rguenth at gcc dot gnu.org
2021-01-14 10:09 ` marxin at gcc dot gnu.org
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