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* [Bug rtl-optimization/96454] New: [11 Regression] wrong code with -Og -march=cascadelake
@ 2020-08-04 10:48 zsojka at seznam dot cz
2020-08-04 12:45 ` [Bug target/96454] " rguenth at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: zsojka at seznam dot cz @ 2020-08-04 10:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96454
Bug ID: 96454
Summary: [11 Regression] wrong code with -Og -march=cascadelake
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
Component: rtl-optimization
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 48992
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48992&action=edit
reduced testcase
Output:
$ x86_64-pc-linux-gnu-gcc testcase.c && ./a.out
$ x86_64-pc-linux-gnu-gcc -Og -march=cascadelake testcase.c && ./a.out
Aborted
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r11-2526-20200803220915-g265d817b1eb-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/11.0.0/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
--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-r11-2526-20200803220915-g265d817b1eb-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.0.0 20200804 (experimental) (GCC)
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/96454] [11 Regression] wrong code with -Og -march=cascadelake
2020-08-04 10:48 [Bug rtl-optimization/96454] New: [11 Regression] wrong code with -Og -march=cascadelake zsojka at seznam dot cz
@ 2020-08-04 12:45 ` rguenth at gcc dot gnu.org
2020-08-04 13:20 ` [Bug target/96454] [11 Regression] wrong code with -Og -march=cascadelake since r11-1445 jakub at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-08-04 12:45 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96454
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |11.0
Component|rtl-optimization |target
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/96454] [11 Regression] wrong code with -Og -march=cascadelake since r11-1445
2020-08-04 10:48 [Bug rtl-optimization/96454] New: [11 Regression] wrong code with -Og -march=cascadelake zsojka at seznam dot cz
2020-08-04 12:45 ` [Bug target/96454] " rguenth at gcc dot gnu.org
@ 2020-08-04 13:20 ` jakub at gcc dot gnu.org
2020-08-10 4:16 ` marxin at gcc dot gnu.org
2020-08-10 10:35 ` marxin at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: jakub at gcc dot gnu.org @ 2020-08-04 13:20 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96454
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
CC| |jakub at gcc dot gnu.org
Summary|[11 Regression] wrong code |[11 Regression] wrong code
|with -Og -march=cascadelake |with -Og -march=cascadelake
| |since r11-1445
Last reconfirmed| |2020-08-04
Status|UNCONFIRMED |NEW
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r11-1445-g502d63b6d6141597bb18fd23c87736a1b384cf8f
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/96454] [11 Regression] wrong code with -Og -march=cascadelake since r11-1445
2020-08-04 10:48 [Bug rtl-optimization/96454] New: [11 Regression] wrong code with -Og -march=cascadelake zsojka at seznam dot cz
2020-08-04 12:45 ` [Bug target/96454] " rguenth at gcc dot gnu.org
2020-08-04 13:20 ` [Bug target/96454] [11 Regression] wrong code with -Og -march=cascadelake since r11-1445 jakub at gcc dot gnu.org
@ 2020-08-10 4:16 ` marxin at gcc dot gnu.org
2020-08-10 10:35 ` marxin at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-08-10 4:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96454
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |marxin at gcc dot gnu.org
CC| |marxin at gcc dot gnu.org
Status|NEW |ASSIGNED
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Mine then.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/96454] [11 Regression] wrong code with -Og -march=cascadelake since r11-1445
2020-08-04 10:48 [Bug rtl-optimization/96454] New: [11 Regression] wrong code with -Og -march=cascadelake zsojka at seznam dot cz
` (2 preceding siblings ...)
2020-08-10 4:16 ` marxin at gcc dot gnu.org
@ 2020-08-10 10:35 ` marxin at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-08-10 10:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96454
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Fixed on master with r10-7054-g5358e8f5800daa00.
^ permalink raw reply [flat|nested] 5+ messages in thread
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2020-08-04 10:48 [Bug rtl-optimization/96454] New: [11 Regression] wrong code with -Og -march=cascadelake zsojka at seznam dot cz
2020-08-04 12:45 ` [Bug target/96454] " rguenth at gcc dot gnu.org
2020-08-04 13:20 ` [Bug target/96454] [11 Regression] wrong code with -Og -march=cascadelake since r11-1445 jakub at gcc dot gnu.org
2020-08-10 4:16 ` marxin at gcc dot gnu.org
2020-08-10 10:35 ` marxin at gcc dot gnu.org
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