https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88760
--- Comment #42 from Jiu Fu Guo ---
Author: guojiufu
Date: Mon Oct 28 05:23:24 2019
New Revision: 277501
URL: https://gcc.gnu.org/viewcvs?rev=277501=gcc=rev
Log:
rs6000: Enable limited unrolling at -O2
In PR88760, there are a few disscussion
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92242
--- Comment #2 from Dmitry G. Dyachenko ---
correctly reduced testcase
$ cat x.i
unsigned foo(int a) {
if (a)
return 0;
return 1;
}
$ cat y.i
unsigned foo(int);
int bar() {
foo(0);
return 0;
}
$ cat libso.ver
{ global:
bar;
local:
/portage/sys-devel/gcc-10.0.0_alpha20191027/work/gcc-10-20191027/gcc/toplev.c:326
0x7b6a21 c_parser_gimple_compound_statement
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191027/work/gcc-10-20191027/gcc/c/gimple-parser.c:444
0x7b6a21 c_parser_gimple_compound_statement
/var/tmp/portage
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41526
--- Comment #4 from Eric Gallager ---
(In reply to Joseph S. Myers from comment #3)
> The handling of target options (the patch for bug 45475) is another
> host-dependency in the bytecode stream.
That has been closed as fixed... which parts of
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61759
Eric Gallager changed:
What|Removed |Added
CC||iains at gcc dot gnu.org,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67455
--- Comment #6 from Eric Gallager ---
(In reply to Eric Gallager from comment #5)
> (In reply to Eric Gallager from comment #4)
> > 67455.m:21:2: warning: (Messages without a matching method signature
> > 67455.m:21:2: warning: will be assumed
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45821
Eric Gallager changed:
What|Removed |Added
Blocks||90556
Summary|no warning
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92242
--- Comment #1 from Dmitry G. Dyachenko ---
over reduced but still ICE
$ cat x.i
unsigned foo(int a)
{
if (a)
return 0;
}
$ cat y.i
unsigned foo();
void bar() { foo(); }
$ cat libso.ver
{ global:
bar;
local: *; };
$ gcc -O2 -flto -c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92246
--- Comment #1 from Peter Cordes ---
And BTW, GCC *does* use vpermd (not vpermt2d) for swapt = int or long. This
problem only applies to char and short. Possibly because AVX2 includes vpermd
ymm.
Apparently CannonLake has 1 uop vpermb
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92248
Bug ID: 92248
Summary: ‘__NR_open’ was not declared in this scope compilation
failed on ubuntu 18.04 WSL2
Product: gcc
Version: 10.0
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92247
--- Comment #1 from fdlbxtqi ---
*** Bug 92248 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92248
fdlbxtqi changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92247
Bug ID: 92247
Summary: ‘__NR_open’ was not declared in this scope
libsanitizer/sanitizer_common/sanitizer_linux
compilation failed on ubuntu 18.04 WSL2
Product: gcc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92114
--- Comment #3 from urbanjost at comcast dot net ---
I could not get the code to compile at all with 7.4.0 trying a variety of
compiler switches with 7.4.0. This was in a Cygwin environment. I reinstalled
the Cygwin environment and still got the
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65342
Iain Sandoe changed:
What|Removed |Added
Keywords||wrong-code
Summary|[7/8/9/10
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92244
Andrew Pinski changed:
What|Removed |Added
Severity|normal |enhancement
--- Comment #3 from Andrew
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92246
Bug ID: 92246
Summary: Byte or short array reverse loop auto-vectorized with
3-uop vpermt2w instead of 1 or 2-uop vpermw (AVX512)
Product: gcc
Version: 10.0
Status:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92245
Bug ID: 92245
Summary: strncpy followed by nul store not folded into memcpy
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: enhancement
Priority: P3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92244
Peter Cordes changed:
What|Removed |Added
Summary|extra sub inside vectorized |vectorized loop updating 2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92244
--- Comment #1 from Peter Cordes ---
On AArch64 (with gcc8.2), we see a similar effect, more instructions in the
loop. And an indexed addressing mode.
https://godbolt.org/z/6ZVWY_
# strrev_explicit -O3 -mcpu=cortex-a53
...
.L4:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92244
Bug ID: 92244
Summary: extra sub inside vectorized loop instead of
calculating end-pointer
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86248
Paul Thomas changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92243
--- Comment #1 from Peter Cordes ---
Forgot to mention, this probably applies to other ISAs with GP-integer
byte-reverse instructions and efficient unaligned loads.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92243
Bug ID: 92243
Summary: Missing "auto-vectorization" of char array reversal
using x86 scalar bswap when SIMD pshufb isn't
available
Product: gcc
Version: 10.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65342
--- Comment #31 from Iain Sandoe ---
Author: iains
Date: Sun Oct 27 21:25:57 2019
New Revision: 277495
URL: https://gcc.gnu.org/viewcvs?rev=277495=gcc=rev
Log:
[Darwin, PPC] Fix PR 65342.
The current Darwin load/store lo_sum patterns have
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67183
--- Comment #6 from Iain Sandoe ---
Author: iains
Date: Sun Oct 27 21:21:49 2019
New Revision: 277494
URL: https://gcc.gnu.org/viewcvs?rev=277494=gcc=rev
Log:
[Darwin, machopic] Fix for 67183
When we're using the LLVM-based assembler (the
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65342
--- Comment #30 from Iain Sandoe ---
Author: iains
Date: Sun Oct 27 21:17:33 2019
New Revision: 277493
URL: https://gcc.gnu.org/viewcvs?rev=277493=gcc=rev
Log:
[Darwin, machopic] Preparatory patches.
This is a combined set of 5 patches that
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86248
--- Comment #11 from Paul Thomas ---
Author: pault
Date: Sun Oct 27 18:28:52 2019
New Revision: 277490
URL: https://gcc.gnu.org/viewcvs?rev=277490=gcc=rev
Log:
2019-10-27 Paul Thomas
Backport from mainline
PR fortran/86248
ile for target.
Using /home/tkoenig/trunk/gcc/testsuite/config/default.exp as
tool-and-target-specific interface file.
Running /home/tkoenig/trunk/gcc/testsuite/gfortran.dg/dg.exp ...
=== gfortran Summary ===
# of expected passes12
/home/tkoenig/trunk-bin/gcc/testsuite/gfortr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92242
Bug ID: 92242
Summary: [10 regression] LTO ICE in ipa_get_cs_argument_count
ipa-prop.h:598
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86248
--- Comment #10 from Paul Thomas ---
Author: pault
Date: Sun Oct 27 17:06:38 2019
New Revision: 277489
URL: https://gcc.gnu.org/viewcvs?rev=277489=gcc=rev
Log:
2019-10-27 Paul Thomas
Backport from mainline
PR fortran/86248
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86248
--- Comment #9 from Paul Thomas ---
Author: pault
Date: Sun Oct 27 16:21:36 2019
New Revision: 277488
URL: https://gcc.gnu.org/viewcvs?rev=277488=gcc=rev
Log:
2019-10-27 Paul Thomas
Backport from mainline
PR fortran/86248
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92095
Eric Botcazou changed:
What|Removed |Added
CC|ebotcazou at gcc dot gnu.org, |
|ebotcazou at
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92095
Eric Botcazou changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86248
--- Comment #8 from Paul Thomas ---
Author: pault
Date: Sun Oct 27 15:00:54 2019
New Revision: 277487
URL: https://gcc.gnu.org/viewcvs?rev=277487=gcc=rev
Log:
2019-10-27 Paul Thomas
PR fortran/86248
* resolve.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91548
Marek Polacek changed:
What|Removed |Added
CC||euloanty at live dot com
--- Comment #9
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92238
Marek Polacek changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
CC|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92113
--- Comment #5 from Thomas Koenig ---
Still having no luck trying to find out which patch made this
error not appear on trunk. I think this may actually depend
on the version of the bootstrapping compiler :-(
In the meantime, here is the first
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92234
Matthias Klose changed:
What|Removed |Added
Keywords||ice-on-valid-code
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91851
--- Comment #2 from John Paul Adrian Glaubitz ---
(In reply to John Paul Adrian Glaubitz from comment #1)
> > https://wiki.debian.org/M68k/QemuSystemM68k
>
> The guide is not complete yet, I will finish it throughout next week.
The code has
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92241
Dmitry G. Dyachenko changed:
What|Removed |Added
CC||dimhen at gmail dot com
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92241
Bug ID: 92241
Summary: ice in vect_mark_pattern_st mts, at
tree-vect-patterns.c:5175
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92240
Dmitry G. Dyachenko changed:
What|Removed |Added
CC||hubicka at gcc dot gnu.org
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92240
--- Comment #1 from Dmitry G. Dyachenko ---
simplified configure' call
configure --enable-checking=yes --enable-languages=c,c++ --disable-multilib
--with-isl
make
/home/dimhen/build/gcc_current/./prev-gcc/xgcc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92240
Bug ID: 92240
Summary: [10 regression] ICE in duplicate, at ipa-prop.c:3883
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77918
Arseny Solokha changed:
What|Removed |Added
CC||asolokha at gmx dot com
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85960
Arseny Solokha changed:
What|Removed |Added
CC||asolokha at gmx dot com
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92239
Bug ID: 92239
Summary: [10 Regression] ICE in insert_vi_for_tree, at
tree-ssa-structalias.c:2877
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords:
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