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* [Bug target/102477] New: ICE: in emit_move_insn, at expr.c:4026 at -Og with __builtin_shufflevector()
@ 2021-09-24 9:28 zsojka at seznam dot cz
2021-09-24 12:14 ` [Bug target/102477] " rguenth at gcc dot gnu.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: zsojka at seznam dot cz @ 2021-09-24 9:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102477
Bug ID: 102477
Summary: ICE: in emit_move_insn, at expr.c:4026 at -Og with
__builtin_shufflevector()
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 51507
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51507&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -Og testcase.c
testcase.c: In function 'foo':
testcase.c:10:1: warning: AVX512F vector return without AVX512F enabled changes
the ABI [-Wpsabi]
10 | {
| ^
during RTL pass: expand
testcase.c:9:1: internal compiler error: in emit_move_insn, at expr.c:4026
9 | foo (void)
| ^~~
0x6be049 emit_move_insn(rtx_def*, rtx_def*)
/repo/gcc-trunk/gcc/expr.c:4026
0xe3f43a expand_gimple_stmt_1
/repo/gcc-trunk/gcc/cfgexpand.c:4006
0xe3f43a expand_gimple_stmt
/repo/gcc-trunk/gcc/cfgexpand.c:4040
0xe4555a expand_gimple_basic_block
/repo/gcc-trunk/gcc/cfgexpand.c:6082
0xe47207 execute
/repo/gcc-trunk/gcc/cfgexpand.c:6808
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.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r12-3878-20210924101619-g710c6ab4ad5-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r12-3878-20210924101619-g710c6ab4ad5-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.0 20210924 (experimental) (GCC)
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/102477] ICE: in emit_move_insn, at expr.c:4026 at -Og with __builtin_shufflevector()
2021-09-24 9:28 [Bug target/102477] New: ICE: in emit_move_insn, at expr.c:4026 at -Og with __builtin_shufflevector() zsojka at seznam dot cz
@ 2021-09-24 12:14 ` rguenth at gcc dot gnu.org
2021-09-24 13:09 ` jakub at gcc dot gnu.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-09-24 12:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102477
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2021-09-24
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed. We have
_2 = (vector(16) signed int) v.0_1;
where v.0_1 is vector(16) unsigned int. So appearantly we have an optab for
that but it doesn't work here.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/102477] ICE: in emit_move_insn, at expr.c:4026 at -Og with __builtin_shufflevector()
2021-09-24 9:28 [Bug target/102477] New: ICE: in emit_move_insn, at expr.c:4026 at -Og with __builtin_shufflevector() zsojka at seznam dot cz
2021-09-24 12:14 ` [Bug target/102477] " rguenth at gcc dot gnu.org
@ 2021-09-24 13:09 ` jakub at gcc dot gnu.org
2021-09-29 15:16 ` zsojka at seznam dot cz
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: jakub at gcc dot gnu.org @ 2021-09-24 13:09 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102477
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Such conversion is just reinterpretation of the bits in the same mode, nop at
RTL level. So it should just work.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/102477] ICE: in emit_move_insn, at expr.c:4026 at -Og with __builtin_shufflevector()
2021-09-24 9:28 [Bug target/102477] New: ICE: in emit_move_insn, at expr.c:4026 at -Og with __builtin_shufflevector() zsojka at seznam dot cz
2021-09-24 12:14 ` [Bug target/102477] " rguenth at gcc dot gnu.org
2021-09-24 13:09 ` jakub at gcc dot gnu.org
@ 2021-09-29 15:16 ` zsojka at seznam dot cz
2021-10-05 18:44 ` [Bug target/102477] [12 Regression] ICE: in emit_move_insn, at expr.c:4026 at -Og and -O zsojka at seznam dot cz
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: zsojka at seznam dot cz @ 2021-09-29 15:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102477
--- Comment #3 from Zdenek Sojka <zsojka at seznam dot cz> ---
Created attachment 51517
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51517&action=edit
different testcase failing at -O without __builtin_shufflevector()
$ x86_64-pc-linux-gnu-gcc -O testcase.c
during RTL pass: expand
testcase.c: In function 'foo':
testcase.c:7:9: internal compiler error: in emit_move_insn, at expr.c:4026
7 | V v = -(g >> sizeof (g) - 1);
| ^~~~~~~~~~~~~~~~~~~~~~
0x6b8206 emit_move_insn(rtx_def*, rtx_def*)
/repo/gcc-trunk/gcc/expr.c:4026
0xe36893 expand_gimple_stmt_1
/repo/gcc-trunk/gcc/cfgexpand.c:4006
0xe36893 expand_gimple_stmt
/repo/gcc-trunk/gcc/cfgexpand.c:4040
0xe3c98f expand_gimple_basic_block
/repo/gcc-trunk/gcc/cfgexpand.c:6082
0xe3e55e execute
/repo/gcc-trunk/gcc/cfgexpand.c:6808
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/102477] [12 Regression] ICE: in emit_move_insn, at expr.c:4026 at -Og and -O
2021-09-24 9:28 [Bug target/102477] New: ICE: in emit_move_insn, at expr.c:4026 at -Og with __builtin_shufflevector() zsojka at seznam dot cz
` (2 preceding siblings ...)
2021-09-29 15:16 ` zsojka at seznam dot cz
@ 2021-10-05 18:44 ` zsojka at seznam dot cz
2021-10-25 23:39 ` pinskia at gcc dot gnu.org
2022-01-17 13:28 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: zsojka at seznam dot cz @ 2021-10-05 18:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102477
--- Comment #4 from Zdenek Sojka <zsojka at seznam dot cz> ---
Created attachment 51557
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51557&action=edit
another testcase, failing at -O
$ x86_64-pc-linux-gnu-gcc -O testcase.c
during RTL pass: expand
testcase.c: In function 'foo':
testcase.c:7:8: internal compiler error: in emit_move_insn, at expr.c:4026
7 | v *= -(v >> 4 * 8 - 1);
| ^~~~~~~~~~~~~~~~~
0x6b91fa emit_move_insn(rtx_def*, rtx_def*)
/repo/gcc-trunk/gcc/expr.c:4026
0xe38a03 expand_gimple_stmt_1
/repo/gcc-trunk/gcc/cfgexpand.c:4006
0xe38a03 expand_gimple_stmt
/repo/gcc-trunk/gcc/cfgexpand.c:4040
0xe3eaff expand_gimple_basic_block
/repo/gcc-trunk/gcc/cfgexpand.c:6082
0xe406ce execute
/repo/gcc-trunk/gcc/cfgexpand.c:6808
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/102477] [12 Regression] ICE: in emit_move_insn, at expr.c:4026 at -Og and -O
2021-09-24 9:28 [Bug target/102477] New: ICE: in emit_move_insn, at expr.c:4026 at -Og with __builtin_shufflevector() zsojka at seznam dot cz
` (3 preceding siblings ...)
2021-10-05 18:44 ` [Bug target/102477] [12 Regression] ICE: in emit_move_insn, at expr.c:4026 at -Og and -O zsojka at seznam dot cz
@ 2021-10-25 23:39 ` pinskia at gcc dot gnu.org
2022-01-17 13:28 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-10-25 23:39 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102477
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |12.0
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/102477] [12 Regression] ICE: in emit_move_insn, at expr.c:4026 at -Og and -O
2021-09-24 9:28 [Bug target/102477] New: ICE: in emit_move_insn, at expr.c:4026 at -Og with __builtin_shufflevector() zsojka at seznam dot cz
` (4 preceding siblings ...)
2021-10-25 23:39 ` pinskia at gcc dot gnu.org
@ 2022-01-17 13:28 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-01-17 13:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102477
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Blocks|82738 |
Status|NEW |RESOLVED
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
All of the testcases work now.
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82738
[Bug 82738] [meta-bug] issues with the -Og optimization level
^ permalink raw reply [flat|nested] 7+ messages in thread
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2021-09-24 9:28 [Bug target/102477] New: ICE: in emit_move_insn, at expr.c:4026 at -Og with __builtin_shufflevector() zsojka at seznam dot cz
2021-09-24 12:14 ` [Bug target/102477] " rguenth at gcc dot gnu.org
2021-09-24 13:09 ` jakub at gcc dot gnu.org
2021-09-29 15:16 ` zsojka at seznam dot cz
2021-10-05 18:44 ` [Bug target/102477] [12 Regression] ICE: in emit_move_insn, at expr.c:4026 at -Og and -O zsojka at seznam dot cz
2021-10-25 23:39 ` pinskia at gcc dot gnu.org
2022-01-17 13:28 ` rguenth at gcc dot gnu.org
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