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* [Bug middle-end/63669] New: [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -mno-lra
@ 2014-10-28 16:10 ktkachov at gcc dot gnu.org
2014-10-28 16:14 ` [Bug middle-end/63669] " pinskia at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: ktkachov at gcc dot gnu.org @ 2014-10-28 16:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63669
Bug ID: 63669
Summary: [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in
reload.c on 4.8 branch or on 4.9 and 5.0 with -mno-lra
Product: gcc
Version: 4.8.4
Status: UNCONFIRMED
Severity: minor
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: ktkachov at gcc dot gnu.org
gcc.dg/torture/asm-subreg-1.c ICEs with:
$ aarch64-none-elf-gcc $TOP/gcc/testsuite/gcc.dg/torture/asm-subreg-1.c
-fno-diagnostics-show-caret -O1 -S -o asm-subreg-1.s
$TOP/gcc/testsuite/gcc.dg/torture/asm-subreg-1.c: In function
'evas_common_convert_yuv_420p_601_rgba':
$TOP/gcc/testsuite/gcc.dg/torture/asm-subreg-1.c:14:1: internal compiler error:
Segmentation fault
0x9ec985 crash_signal
$TOP/gcc/toplev.c:349
0x972555 find_reloads_address_part
$TOP/gcc/reload.c:6106
0x972134 find_reloads_address
$TOP/gcc/reload.c:5273
0x974936 find_reloads(rtx_insn*, int, int, int, short*)
$TOP/gcc/reload.c:2895
0x984e92 calculate_needs_all_insns
$TOP/gcc/reload1.c:1519
0x98679b reload(rtx_insn*, int)
$TOP/gcc/reload1.c:1007
0x87eaa2 do_reload
$TOP/gcc/ira.c:5386
0x87eaa2 execute
$TOP/gcc/ira.c:5536
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
Since this happens reload it needs an -mno-lra to reproduce on trunk and 4.9
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug middle-end/63669] [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -mno-lra
2014-10-28 16:10 [Bug middle-end/63669] New: [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -mno-lra ktkachov at gcc dot gnu.org
@ 2014-10-28 16:14 ` pinskia at gcc dot gnu.org
2014-10-28 16:14 ` [Bug middle-end/63669] [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -fPIC ktkachov at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu.org @ 2014-10-28 16:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63669
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
it also fails with -fPIC on aarch64 even without -mno-lra.
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug middle-end/63669] [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -fPIC
2014-10-28 16:10 [Bug middle-end/63669] New: [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -mno-lra ktkachov at gcc dot gnu.org
2014-10-28 16:14 ` [Bug middle-end/63669] " pinskia at gcc dot gnu.org
@ 2014-10-28 16:14 ` ktkachov at gcc dot gnu.org
2014-10-28 16:14 ` pinskia at gcc dot gnu.org
2014-10-28 16:30 ` pinskia at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: ktkachov at gcc dot gnu.org @ 2014-10-28 16:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63669
ktkachov at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
Target| |aarch64-none-elf
Summary|[AArch64] |[AArch64]
|gcc.dg/torture/asm-subreg-1 |gcc.dg/torture/asm-subreg-1
|.c ICE in reload.c on 4.8 |.c ICE in reload.c on 4.8
|branch or on 4.9 and 5.0 |branch or on 4.9 and 5.0
|with -mno-lra |with -fPIC
Known to fail| |4.8.4, 4.9.2, 5.0
Severity|minor |normal
--- Comment #2 from ktkachov at gcc dot gnu.org ---
(In reply to Andrew Pinski from comment #1)
> it also fails with -fPIC on aarch64 even without -mno-lra.
Indeed, with the backtrace:
$TOP/gcc/testsuite/gcc.dg/torture/asm-subreg-1.c:14:1: internal compiler error:
in lra_set_insn_recog_data, at lra.c:945
0x8bb49b lra_set_insn_recog_data(rtx_insn*)
$TOP/gcc/lra.c:943
0x8bc425 lra_get_insn_recog_data
$TOP/gcc/lra-int.h:475
0x8bc425 lra_update_insn_regno_info(rtx_insn*)
$TOP/gcc/lra.c:1584
0x8bc670 lra_push_insn_1
$TOP/gcc/lra.c:1637
0x8bc670 lra_push_insn(rtx_insn*)
$TOP/gcc/lra.c:1645
0x8bc829 push_insns
$TOP/gcc/lra.c:1688
0x8bcd0c lra_process_new_insns(rtx_insn*, rtx_insn*, rtx_insn*, char const*)
$TOP/gcc/lra.c:1734
0x8ccede curr_insn_transform
$TOP/gcc/lra-constraints.c:3741
0x8cdede lra_constraints(bool)
$TOP/gcc/lra-constraints.c:4237
0x8bd96c lra(_IO_FILE*)
$TOP/gcc/lra.c:2178
0x87e00a do_reload
$TOP/gcc/ira.c:5374
0x87e00a execute
$TOP/gcc/ira.c:5536
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug middle-end/63669] [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -fPIC
2014-10-28 16:10 [Bug middle-end/63669] New: [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -mno-lra ktkachov at gcc dot gnu.org
2014-10-28 16:14 ` [Bug middle-end/63669] " pinskia at gcc dot gnu.org
2014-10-28 16:14 ` [Bug middle-end/63669] [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -fPIC ktkachov at gcc dot gnu.org
@ 2014-10-28 16:14 ` pinskia at gcc dot gnu.org
2014-10-28 16:30 ` pinskia at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu.org @ 2014-10-28 16:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63669
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
We (Cavium) had worked on trying to this bug earlier:
https://gcc.gnu.org/ml/gcc-patches/2012-11/msg02286.html
Richard S. also worked on it too:
https://gcc.gnu.org/ml/gcc-patches/2014-04/msg00826.html
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/63669] [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -fPIC
2014-10-28 16:10 [Bug middle-end/63669] New: [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -mno-lra ktkachov at gcc dot gnu.org
` (2 preceding siblings ...)
2014-10-28 16:14 ` pinskia at gcc dot gnu.org
@ 2014-10-28 16:30 ` pinskia at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu.org @ 2014-10-28 16:30 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63669
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|aarch64-none-elf |aarch64-*-*
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-10-28
Ever confirmed|0 |1
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
.
^ permalink raw reply [flat|nested] 5+ messages in thread
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2014-10-28 16:10 [Bug middle-end/63669] New: [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -mno-lra ktkachov at gcc dot gnu.org
2014-10-28 16:14 ` [Bug middle-end/63669] " pinskia at gcc dot gnu.org
2014-10-28 16:14 ` [Bug middle-end/63669] [AArch64] gcc.dg/torture/asm-subreg-1.c ICE in reload.c on 4.8 branch or on 4.9 and 5.0 with -fPIC ktkachov at gcc dot gnu.org
2014-10-28 16:14 ` pinskia at gcc dot gnu.org
2014-10-28 16:30 ` pinskia at gcc dot gnu.org
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