https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113746
Filip Kastl changed:
What|Removed |Added
CC||fkastl at suse dot cz
--- Comment #3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113847
Filip Kastl changed:
What|Removed |Added
Keywords|needs-bisection |
CC|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113848
Bug ID: 113848
Summary: modula2 doesn't build with clang
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: build
Severity: normal
Priority: P3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113847
Bug ID: 113847
Summary: [14 Regression] 10% slowdown of 462.libquantum on AMD
Ryzen 7700X and Ryzen 7900X
Product: gcc
Version: 14.0
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113832
Bug ID: 113832
Summary: [14 Regression] 6% exec time regression of 464.h264ref
on aarch64
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113539
--- Comment #9 from Filip Kastl ---
(In reply to Richard Biener from comment #8)
> Does this still happen after r14-8413-g578c7b91f418eb?
I think it doesn't happen anymore.
I can confirm that both on aarch64 and zen3, both the SPEC2006 and
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112687
--- Comment #2 from Filip Kastl ---
Created attachment 57222
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57222=edit
WIP patch to fix the missed optimization, version 0
I'm working on a patch. The problem (as Richard stated in
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113539
--- Comment #7 from Filip Kastl ---
I just reproduced the same issue on an x86_64 zen3 machine. Running both
500.perlbench_r and 400.perlbench with options -Ofast -march=native
-mtune=native -g -flto=32 results in
*** Miscompare of
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113539
Filip Kastl changed:
What|Removed |Added
CC||fkastl at suse dot cz
--- Comment #6
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112804
Filip Kastl changed:
What|Removed |Added
Resolution|--- |FIXED
Status|ASSIGNED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113116
--- Comment #3 from Filip Kastl ---
(In reply to Tamar Christina from comment #2)
> Did you mean -Ofast native PGO? both linked runs are PGO.
Yes I did. I meant PGO and wrote LTO. My bad :).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113116
Filip Kastl changed:
What|Removed |Added
Blocks||26163
--- Comment #1 from Filip Kastl
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113116
Bug ID: 113116
Summary: ~11-17% exec time regression of 436.cactusADM on
aarch64
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: missed-optimization,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113115
Bug ID: 113115
Summary: ICE In extract_constrain_insn_cached recog.cc with
ppc64le-linux-gnu crosscompiler
Product: gcc
Version: 14.0
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113114
Bug ID: 113114
Summary: ICE in try_promote_writeback aarch64-ldp-fusion.cc
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, needs-bisection
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113054
--- Comment #9 from Filip Kastl ---
Alright. I suppose this change wouldn't be appropriate in stage 3 nor stage 4,
so I'll wait for the next stage 1 and modify sccopy to use a class.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113054
--- Comment #7 from Filip Kastl ---
Thanks for the fix! Will be careful not to trigger ODR with my future patches.
(In reply to Andrew Pinski from comment #2)
> Note I also don't like how dead_stmts is a static variable either but that
> would
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113069
--- Comment #4 from Filip Kastl ---
Its a statement I forgot to remove. Thanks for the fix!
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112678
Filip Kastl changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113018
Bug ID: 113018
Summary: ICE in gimple_convert, gimple-fold.cc during the SLP
pass
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113017
Bug ID: 113017
Summary: ICE in delete_unmarked_insns, at dce.cc:653
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, needs-bisection
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113002
Filip Kastl changed:
What|Removed |Added
CC||fkastl at suse dot cz
--- Comment #1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112916
--- Comment #2 from Filip Kastl ---
Sometimes there are gaps in the data our team gathers, unfortunately. One cause
can be that upstream GCC temporarily fails to build a benchmark. That shouldn't
matter in this case I think. The last gap for
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112914
--- Comment #1 from Filip Kastl ---
The options are -O2 LTO
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112915
--- Comment #2 from Filip Kastl ---
The options are -Ofast -march=native -mtune=native LTO and PGO
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112916
Bug ID: 112916
Summary: [14 Regression] ~4-7% exec time regression of 433.milc
on AMD Zen2
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112915
--- Comment #1 from Filip Kastl ---
I checked again and its actually a 4% regression on both machines, my bad.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112915
Bug ID: 112915
Summary: [14 Regression] ~4-11% exec time regression of
454.calculix on AMD Zen2
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112914
Bug ID: 112914
Summary: [14 Regression] ~7-9% exec time regression of
436.cactusADM on AMD Zen2
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112879
Bug ID: 112879
Summary: [14 Regression] 4% exec time regression of 525.x264_r
on AMD Zen4
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112804
Bug ID: 112804
Summary: ICE in aarch64 crosscompiler in plus_constant, at
explow.cc:102
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112778
Bug ID: 112778
Summary: [14 Regression] ICE in ppc64-linux-gnu crosscompiler
in store_by_pieces, at expr.cc:1820
Product: gcc
Version: 14.0
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112762
Bug ID: 112762
Summary: Cannot build crosscompilers for some uclinux targets
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: build
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112697
--- Comment #1 from Filip Kastl ---
Around the same time there was also a 6% slowdown with
-Ofast -march=native -g and PGO
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=299.70.0
and an 11% slowdown with
-O2 -g -flto=128 and PGO
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112697
Bug ID: 112697
Summary: [14 Regression] 30-40% exec time regression of
433.milc on zen2
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112678
Bug ID: 112678
Summary: Massive slowdown of compilation time with PGO
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: compile-time-hog
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112677
Bug ID: 112677
Summary: ASAN reports stack-buffer-overflow in
tree-vect-loop.cc vect_is_simple_use when compiling
with -mavx512
Product: gcc
Version: 14.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163
Bug 26163 depends on bug 112547, which changed state.
Bug 112547 Summary: 9% exec time regression of 462.libquantum SPEC on AMD zen4
CPU
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112547
What|Removed |Added
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112547
Filip Kastl changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112668
Bug ID: 112668
Summary: ICE in bitintlower0 while compiling bitint-42.c
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112547
--- Comment #8 from Filip Kastl ---
I've just ran the test on another zen4 machine. Between the originally
mentioned commits g:53010f6ff6dfbf7b and g:1a55724f7870719d there was only 1%
slowdown on this other machine. I guess this means that the
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112547
--- Comment #5 from Filip Kastl ---
Compile options are:
-O2 -g -flto=128
Configure options of GCC are:
--enable-languages=c,c++,fortran,rust,m2 --disable-bootstrap
--disable-libsanitizer --disable-multilib --enable-checking=release
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112549
Bug ID: 112549
Summary: 9% exec time regression of 436.cactusADM on Aarch64
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112548
Bug ID: 112548
Summary: 5% exec time regression in 429.mcf on AMD zen4 CPU
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112547
Bug ID: 112547
Summary: 9% exec time regression of 462.libquantum SPEC on AMD
zen4 CPU
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110302
Filip Kastl changed:
What|Removed |Added
CC||fkastl at suse dot cz
--- Comment #1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112336
Bug ID: 112336
Summary: ICE in gen_reg_rtx emit-rtl.cc:1208 while compiling
"unsigned _BitInt(1) Foo;" with -fsanitize=address
Product: gcc
Version: 14.0
Status:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112334
Bug ID: 112334
Summary: ICE in gen_untyped_return arm.md:9197 while compiling
harden-cfr-bret.c
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111772
Filip Kastl changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111875
--- Comment #1 from Filip Kastl ---
I found out that this is caused by the copy_prop pass. With -Og, an instance of
copy_prop runs after the fold_builtins pass but before the sanopt pass. The
fold_builtins pass changes the statement p_2 =
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111875
Bug ID: 111875
Summary: With -Og ubsan check inserted even though
__builtin_assume_aligned guarantees no UB
Product: gcc
Version: 14.0
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111772
Bug ID: 111772
Summary: ICE on gfortran.dg/transpose_conjg_1.f90 in
regrename.cc
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111692
Bug ID: 111692
Summary: ICE in output_constant at varasm:cc:5267 during RTL
"final" pass
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111616
Filip Kastl changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163
Bug 26163 depends on bug 111616, which changed state.
Bug 111616 Summary: On Zen2 7% 519.lbm_r regression between g:1d17d58c284fa8c3
(2023-09-14 02:39) and g:c8e9a75085f9725c (2023-09-18 13:09)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111616
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111637
Bug ID: 111637
Summary: ICE while building gcc.dg/bitint-8.c with
-fsanitize=signed-integer-overflow
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111616
Bug ID: 111616
Summary: On Zen2 7% 519.lbm_r regression between
g:1d17d58c284fa8c3 (2023-09-14 02:39) and
g:c8e9a75085f9725c (2023-09-18 13:09)
Product: gcc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111370
Bug ID: 111370
Summary: On Aarch64 4% 511.povray_r regression between
g:6cd85273071b5f13 (2023-08-23 00:17) and
g:e1f096a3cc96c719 (2023-08-25 22:34)
Product: gcc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111369
Bug ID: 111369
Summary: ICE in handle_cast, gimple-lower-bitint.cc:1486 with
-Os
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111291
Bug ID: 111291
Summary: ASAN error: heap-use-after-free
gcc/fortran/parse.cc:359 in decode_statement
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111236
Bug ID: 111236
Summary: ICE in in extract_insn, at recog.cc:2791 on s390x with
-Og -march=z13
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110973
--- Comment #8 from Filip Kastl ---
(In reply to Filip Kastl from comment #7)
> Not all measurements are back to pre-regression. The Ofast zen3 generic
> score that Martin mentioned
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110973
--- Comment #7 from Filip Kastl ---
Not all measurements are back to pre-regression. The Ofast zen3 generic score
that Martin mentioned
(https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=466.120.0) is still
higher than before.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110973
--- Comment #4 from Filip Kastl ---
(In reply to Martin Jambor from comment #3)
> There was also a 7.7% regression on zen3 with generic march (these
> measurements are without LTO):
>
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52
Filip Kastl changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111064
Filip Kastl changed:
What|Removed |Added
CC||fkastl at suse dot cz
--- Comment #5
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52
--- Comment #3 from Filip Kastl ---
Ah, sorry. Didn't notice I'm making a duplicate.
The Zen3 regression isn't that big and could just be noise.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52
Bug ID: 52
Summary: ~7-9% performance regression on 510.parest_r SPEC 2017
benchmark
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110988
Bug ID: 110988
Summary: ICE when building 523.xalancbmk_r with pgo and lto
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
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