https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103083
Mikael Pettersson changed:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105292
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105292
--- Comment #2 from Mikael Pettersson ---
Works with gcc-9.4, ICEs with gcc-10.3 and above. Git bisect identified
# first bad commit: [9b75f56d4b7951c60a6563964a65787b95bc] Apply maximum
nunits for BB SLP
as the cause of the ICEs, though i
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103722
Mikael Pettersson changed:
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--- Com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105525
Bug ID: 105525
Summary: some targets don't define __INTPTR_TYPE__ breaking
libgcov-driver.c
Product: gcc
Version: 12.1.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98341
--- Comment #5 from Mikael Pettersson ---
(In reply to John Paul Adrian Glaubitz from comment #4)
> This regression was introduced by:
>
> commit d7e20130650fb46d71e0403652e4e07bc14f9775 (refs/bisect/bad)
> Author: Justin Squirek
> Date: Mon
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98860
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98860
--- Comment #28 from Mikael Pettersson ---
(In reply to Brecht Sanders from comment #27)
> @Mikael Pettersson, should a similar patch be applied to
> gcc/config/i386/mingw-w64.h to fix this same issue in MinGW-w64?
cygming.h is used for both min
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98860
--- Comment #30 from Mikael Pettersson ---
Patch has been posted:
https://gcc.gnu.org/pipermail/gcc-patches/2021-February/564990.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98860
--- Comment #31 from Mikael Pettersson ---
Created attachment 50158
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50158&action=edit
conftest.c (based configure's cross compilation test)
This runs Ok when compiled with "-O2 -g -gdwarf-4",
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98860
--- Comment #38 from Mikael Pettersson ---
After updating binutils to ba6eb62ff0ea9843a018cfd7cd06777bd66ae0a0, including
the fix for BZ 27268, I was able to do a full bootstrap of current gcc head on
Cygwin64. https://sourceware.org/bugzilla/sho
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98590
Mikael Pettersson changed:
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Status|NEW
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99847
--- Comment #3 from Mikael Pettersson ---
I am almost certain that you need to use an m68k-elf toolchain rather than an
m68k-linux-gnu one for the CPU32. The linux toolchain targets the classic '020
CPU or above (030, 040, or 060) and mandates th
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97367
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CC||mikpelinux at gmail dot com
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98341
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98382
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98590
Bug ID: 98590
Summary: [11 regression] Bootstrap failure with Ada on Cygwin
since switch to C++11
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: norma
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98590
--- Comment #1 from Mikael Pettersson ---
Created attachment 49914
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49914&action=edit
preprocessed source for failing cstreams.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98590
--- Comment #2 from Mikael Pettersson ---
Created attachment 49915
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49915&action=edit
preprocessed output with -dM -E
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98590
--- Comment #9 from Mikael Pettersson ---
Created attachment 49925
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49925&action=edit
ensure fileno_unlocked() is visible on Cygwin
Kludge to work around configure breakage. Not pretty, but at
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98627
--- Comment #7 from Mikael Pettersson ---
The correct target to use in this case is m68k-elf.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94918
--- Comment #9 from Mikael Pettersson ---
(In reply to Richard Biener from comment #8)
> What's the status on this?
An updated patch was posted:
https://gcc.gnu.org/pipermail/gcc-patches/2021-January/563142.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96015
--- Comment #39 from Mikael Pettersson ---
I tried the few test cases listed in this PR with gcc-11 on sparcv9-linux-gnu,
but wasn't able to observe any miscompilation.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98616
--- Comment #3 from Mikael Pettersson ---
> cat mips64el-unknown-linux-gnu/libgcc/config.log
...
configure:3778: checking for suffix of object files
configure:3800: /var/tmp/portage/sys-devel/gcc-10.2.0-r5/work/build/./gcc/xgcc
-B/var/tmp/portage
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98590
--- Comment #11 from Mikael Pettersson ---
(In reply to Eric Botcazou from comment #10)
> > Kludge to work around configure breakage. Not pretty, but at least it lets
> > bootstrap w/ Ada succeed on Cygwin.
>
> OK, let's go for this. Can you po
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101697
--- Comment #9 from Mikael Pettersson ---
I can confirm that building the latest uClibc-ng for h8300 now succeeds with
gcc master @ 4374c424a60777a7658050f0aeb1dcc9af915647.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101175
--- Comment #2 from Mikael Pettersson ---
(In reply to Iru Cai from comment #0)
> Built with '-march=x86-64-v3 -O1', the following code generates a bsr
> instruction, which has undefined behavior when the source operand is zero,
> thus gives wro
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101175
--- Comment #4 from Mikael Pettersson ---
(In reply to Uroš Bizjak from comment #3)
> (In reply to Mikael Pettersson from comment #2)
> > (In reply to Iru Cai from comment #0)
> > > Built with '-march=x86-64-v3 -O1', the following code generates
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105681
Mikael Pettersson changed:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105872
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105872
--- Comment #3 from Mikael Pettersson ---
Also see PR105874.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106025
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106064
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--- Com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106609
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--- Com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106609
--- Comment #9 from Mikael Pettersson ---
# first bad commit: [3155d51bfd1de8b6c4645dcb2292248a8d7cc3c9] [PATCH] PR
rtl-optimization/46235: Improved use of bt for bit tests on x86_64.
Starting with this commit, the host compiler (on x86_64-linu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106609
--- Comment #12 from Mikael Pettersson ---
I tried compiling the gcc-13 cross compiler using the broken gcc-12 host
compiler and -mtune-ctrl=^use_bt but that didn't help.
I then tried rebuilding the broken gcc-12 host compiler with the new spli
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93242
--- Comment #10 from Mikael Pettersson ---
(In reply to Ilya Leoshkevich from comment #9)
> Would it be possible to backport this to gcc-9?
...
> There is a workaround for now, but it would be good to have this fixed in
> all the maintained gccs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106892
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82420
--- Comment #3 from Mikael Pettersson ---
Still ICEs in gcc-12:
> gcc/xgcc -Bgcc -march=68000 -malign-int -S /tmp/pr82420.c
during RTL pass: expand
/tmp/pr82420.c: In function 'f':
/tmp/pr82420.c:3:4: internal compiler error: Segmentation fault
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80786
--- Comment #2 from Mikael Pettersson ---
Still ICEs gcc-12. m68k_legitimate_address_p () returns false for
(const:SI (plus:SI (symbol_ref:SI ("G") [flags 0x40] )
(const_int 6 [0x6])))
mode 4 (QI is 4)
which triggers the assert failure
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93734
--- Comment #8 from Mikael Pettersson ---
I can't reproduce the wrong code using either the fortran test case in #c2 or
the C one in #c3 with gcc-9.4.0 on Kaby Lake R. If I revert the PR92420 fix
both test cases do reproduce the wrong code. Thus
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101697
Bug ID: 101697
Summary: [11/12 regression] ICE compiling uClibc-ng for
h8300-linux
Product: gcc
Version: 11.2.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101697
--- Comment #1 from Mikael Pettersson ---
The ICE in gcc-11 started with:
[f16897cb4b1468374d63b1a6b12d8b7be845874a] H8 cc0 conversion
It changed from "unrecognizable insn" to "could not split insn" in gcc-12 with:
[549d7f4310f6f8c2c64efcb6f3ef
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101697
--- Comment #3 from Mikael Pettersson ---
As far as I can tell the problem is introduced by reload.
With a gcc-11.2.0 cross, getaddrinfo.i.290r.ira has
(insn 161 159 163 31 (set (reg/f:SI 185)
(reg/f:SI 7 sp)) "libc/inet/getaddrinfo.c"
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
--- Comment #10 from Mikael Pettersson ---
(In reply to Hongtao.liu from comment #2)
> But failed to configure for target mcore, i didn't find any reference in
> https://gcc.gnu.org/install/specific.html
>
> --target=mcore results in
> *** Conf
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89040
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109402
--- Comment #2 from Mikael Pettersson ---
Please send patches to gcc-patches for review.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105525
--- Comment #2 from Mikael Pettersson ---
The issue issue remains in gcc-13.1.0 but is no longer limited to gcov, i.e. a
vax build with --disable-gcov using gcc-13.1.0 now fails with
In file included from
/mnt/scratch/cross/sources/gcc-13.1.0/l
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105525
--- Comment #3 from Mikael Pettersson ---
Patch submitted:
https://gcc.gnu.org/pipermail/gcc-patches/2023-April/617071.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114910
--- Comment #5 from Mikael Pettersson ---
I don't use crosstool-ng, but I have no problems building a cross to
c6x-unknown-elf with binutils-2.42, gcc-14.1.0-RC-20240430, and
newlib-4.4.0.20231231. (A cross to c6x-unknown-uclibc with uclibc-ng-1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114910
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114910
--- Comment #8 from Mikael Pettersson ---
According to my git bisect, the assembler error started with
551935d11817dd5b139d66c36f62c0f0eba0db06 is the first new commit
commit 551935d11817dd5b139d66c36f62c0f0eba0db06
Author: Alexandre Oliva
Dat
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114937
--- Comment #5 from Mikael Pettersson ---
I ran a git bisect between 11.4.0 and 12.3.0, which identified the following as
fixing this test case:
2e96b5f14e4025691b57d2301d71aa6092ed44bc is the first new commit
commit 2e96b5f14e4025691b57d2301d7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115010
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113551
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--- Com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113357
--- Comment #9 from Mikael Pettersson ---
(In reply to Manolis Tsamis from comment #8)
> Created attachment 58335 [details]
> Do not modify live_out registers
>
> After looking again at the dumps from PR112415, which I believe is closely
> rela
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113357
--- Comment #13 from Mikael Pettersson ---
(In reply to Mikael Pettersson from comment #9)
> (In reply to Manolis Tsamis from comment #8)
> > Created attachment 58335 [details]
> > Do not modify live_out registers
> >
> > After looking again at
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113357
--- Comment #14 from Mikael Pettersson ---
Since gcc-15 wouldn't build due to an unrelated issue, I applied the fmo patch
to gcc-14.1 (which also has this bug) and bootstrapped that. Alas it didn't
make any difference, same error in stage2 as in
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108640
--- Comment #1 from Mikael Pettersson ---
I can reproduce. Doesn't happen with the m68k-linux-gnu target though.
> cross-m68k-uclinux/bin/m68k-unknown-uclinux-uclibc-gcc -Os -c /tmp/ls.i
during RTL pass: final
coreutils/ls.c: In function 'ls_m
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108640
--- Comment #2 from Mikael Pettersson ---
Happens with 11.3.0, 10.4.0, and 9.5.0 too, so shouldn't be related to the CC0
conversion.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108657
--- Comment #11 from Mikael Pettersson ---
Bisected on x86_64-linux-gnu:
dc477ffb4aba21e9cf47de22a4df6f2b23849505 is the first bad commit
commit dc477ffb4aba21e9cf47de22a4df6f2b23849505
Author: Richard Biener
Date: Thu Jul 21 10:13:46 2022 +
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109140
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109140
--- Comment #6 from Mikael Pettersson ---
With -O2 -ftree-vectorize -mcpu=niagara4 the ICE reproduces with gcc-10.4.0 but
not with gcc-9.5.0.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109140
--- Comment #7 from Mikael Pettersson ---
With -O2 -ftree-vectorize -mcpu=niagara4 a bisect between 9.5.0 (good) and
10.4.0 (bad) found
6271dd984d7f920d4fb17ad37af6a1f8e6b796dc is the first bad commit
commit 6271dd984d7f920d4fb17ad37af6a1f8e6b7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109140
--- Comment #9 from Mikael Pettersson ---
I can reproduce all the way down to gcc-4.7.4, gcc-4.6.4 doesn't support
-mcpu=niagara4.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109140
--- Comment #10 from Mikael Pettersson ---
A bisect between 4.6.4 (good) and 4.7.4 (bad) found:
1f9ed162eb30f1b40b65d164b3a40ac78e1f006e is the first bad commit
commit 1f9ed162eb30f1b40b65d164b3a40ac78e1f006e
Author: David S. Miller
Date: Tu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109670
Mikael Pettersson changed:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87944
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110668
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110668
--- Comment #3 from Mikael Pettersson ---
https://gcc.gnu.org/install/prerequisites.html, GNAT section, 4th paragraph.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59172
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59178
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110702
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110934
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--- Com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111015
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--- Com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111015
--- Comment #4 from Mikael Pettersson ---
Reverting the pass_store_merging::process_store hunk makes this test case work
again:
diff --git a/gcc/gimple-ssa-store-merging.cc b/gcc/gimple-ssa-store-merging.cc
index 0d19b98ed73..c4bf8eec64e 100644
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112413
--- Comment #7 from Mikael Pettersson ---
Patch posted after bootstrap and regression testing on m68k-linux-gnu:
https://gcc.gnu.org/pipermail/gcc-patches/2023-December/640177.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113049
--- Comment #2 from Mikael Pettersson ---
Does -fno-tree-loop-distribute-patterns work? That's been the go-to for
disabling similar loop-to-call transformations people have been objecting to.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110934
--- Comment #6 from Mikael Pettersson ---
Affects gcc-11 and newer, gcc-10 and older are ok. Started with:
d10f3e900b0377b4760a090b0f90371bcef01686 is the first new commit
commit d10f3e900b0377b4760a090b0f90371bcef01686
Author: qing zhao
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110934
--- Comment #7 from Mikael Pettersson ---
The issue appears to be the clearing of FP regs. If I add an m68k-specific
version of TARGET_ZERO_CALL_USED_REGS which handles integer (address and data)
regs but skips FP regs, then the test case compil
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110934
--- Comment #8 from Mikael Pettersson ---
The generic code synthesizes a move from CONST0_RTX (XFmode) to an XFmode FP
reg, and that causes the ice. Forcing the mode of both to SFmode or DFmode
avoids the ice and generates sane-looking code. The
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110934
--- Comment #9 from Mikael Pettersson ---
Created attachment 56961
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56961&action=edit
proposed fix, only tested on the given test case so far
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113086
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108640
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CC||mikpelinux at gmail dot com
--- Com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108640
--- Comment #6 from Mikael Pettersson ---
Created attachment 56965
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56965&action=edit
Preliminary patch, only tested on the test case so far.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80786
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--- Comm
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109133
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CC||mikpelinux at gmail dot com
--- Com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104028
Mikael Pettersson changed:
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CC||mikpelinux at gmail dot com
--- Com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110627
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--- Com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82420
--- Comment #4 from Mikael Pettersson ---
Created attachment 56985
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56985&action=edit
proposed fix
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111279
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82420
--- Comment #5 from Mikael Pettersson ---
Patch submitted:
https://gcc.gnu.org/pipermail/gcc-patches/2024-January/641800.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110934
--- Comment #11 from Mikael Pettersson ---
Reduced test case:
> cat ../pr110934.c
extern double clobber_fp0(void);
void f(void) { clobber_fp0(); }
> gcc/xgcc -Bgcc -fzero-call-used-regs=used -fPIC -O -S ../pr110934.c
during RTL pass: zero_call
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105525
Mikael Pettersson changed:
What|Removed |Added
Resolution|--- |FIXED
Status|UNCONFIRME
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113324
--- Comment #2 from Mikael Pettersson ---
I can reproduce with gcc-10.5.0 hosted on x86_64-pc-linux-gnu targeting
vax-netbsdelf, but not with gcc-11.4.0. 12.3.0, or 13.2.0.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113357
Bug ID: 113357
Summary: [14 regression] m68k-linux bootstrap failure in stage2
due to segfault compiling unwind-dw2.c
Product: gcc
Version: 14.0
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113357
--- Comment #2 from Mikael Pettersson ---
/mnt/scratch/gcc-14-20240107/configure --prefix=/mnt/scratch/install14
--enable-bootstrap --enable-shared --enable-threads=posix
--enable-checking=release --with-system-zlib --enable-__cxa_atexit
--disab
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113324
Mikael Pettersson changed:
What|Removed |Added
CC||mikpelinux at gmail dot com
--- Com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108640
--- Comment #7 from Mikael Pettersson ---
Patch posted:
https://gcc.gnu.org/pipermail/gcc-patches/2024-January/643383.html
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