Bug#1004184: gcc-11: generate bad code for matplotlib with -O1/-O2 on mips64el

2023-02-24 Thread James Addison
Source: gcc-11 Followup-For: Bug #1004184 X-Debbugs-Cc: frederic-emmanuel.pi...@synchrotron-soleil.fr Control: forwarded -1 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104914 Hi Frederic: I'm linking a forwarded GCC GNU bug report that I _think_ is the upstream report matching this bug. I found

Bug#1023666: gcc-10 should not be shipped in bookworm

2023-02-28 Thread James Addison
Package: gcc-10 Version: 10.4.0-7 Followup-For: Bug #1023666 Bug #1004184 implies that gcc-11 cannot build correct mips64 code for a key Debian package (source: matplotlib) without buildflag adjustments. However, gcc-10 does emit correct code for the same package and architecture. Should that be

Bug#1005863: gcc-11: invalid opcode for Geode LX on i386

2023-03-19 Thread James Addison
Package: gcc-11 Followup-For: Bug #1005863 X-Debbugs-Cc: martin-eric.rac...@iki.fi Control: affects -1 - sudo net-tools Control: affects -1 + libjavascriptcoregtk-4.0-18 Control: affects -1 + gobjc++-12-x86-64-linux-gnu Control: affects -1 + libfsapfs-dev Dear Maintainer and Martin-Éric, Using a

Bug#1005863: gcc-11: invalid opcode for Geode LX on i386

2023-03-19 Thread James Addison
Package: gcc-11 Followup-For: Bug #1005863 X-Debbugs-Cc: martin-eric.rac...@iki.fi Control: affects -1 + sudo > That's three potential positives; in total, the check ran on approximately > thirty-two thousand (32340, to be more precise) packages. My apologies: there was a bug in the script to run

Bug#1005863: gcc-11: invalid opcode for Geode LX on i386

2023-03-19 Thread James Addison
Package: gcc-11 Followup-For: Bug #1005863 X-Debbugs-Cc: martin-eric.rac...@iki.fi Ok; I should have realised that scanning the entire contents of the i386 bookworm archive for particular opcodes across _all_ files on a single machine seemed to complete surprisingly quickly.. Please find attached

Bug#1005863: gcc-11: invalid opcode for Geode LX on i386

2023-03-19 Thread James Addison
Package: gcc-11 Followup-For: Bug #1005863 X-Debbugs-Cc: martin-eric.rac...@iki.fi > So my guess is that approximately 6-7% of i386 packages in bookworm _that > contain binaries or shared libraries_ are susceptible to this bug. ... > It's also a larger number of packages than we could expect ind

Bug#1005863: gcc-11: invalid opcode for Geode LX on i386

2023-03-19 Thread James Addison
Package: gcc-11 Followup-For: Bug #1005863 X-Debbugs-Cc: debian-gcc@lists.debian.org, debian-rele...@lists.debian.org, debian-pol...@lists.debian.org Hi folks, Bug #1005863 describes a gcc-11 behaviour that results in software that exits ungracefully on Geode LX i686 hardware. Despite self-repo

Bug#1005863: gcc-11: invalid opcode for Geode LX on i386

2023-03-20 Thread James Addison
On Mon, 20 Mar 2023 at 07:22, Bastian Blank wrote: > > On Sun, Mar 19, 2023 at 11:47:21PM +, James Addison wrote: > > Would it be fair to raise the severity of this bug to a release-critical > > level? > > No, it would be fair to remove Geode LX from the set of suppor

Bug#1005863: binutils: invalid opcode for Geode LX on i386

2023-03-20 Thread James Addison
Followup-For: Bug #1005863 X-Debbugs-Cc: ballo...@debian.org Control: reassign -1 binutils 2.38-1 Reassigning this from package 'gcc' to 'binutils': It looks like it is GNU binutils[1] (and in particular, the GNU assembler) that is responsible for producing the assembly opcodes for a binary compi

Bug#1005863: gcc: should reject combination of i686 architecture and fcf-protection feature

2023-03-24 Thread James Addison
Followup-For: Bug #1005863 Control: affects -1 = sudo

Bug#1004184: gcc-11: generate bad code for matplotlib with -O1/-O2 on mips64el

2024-08-25 Thread James Addison
Source: gcc-11 Followup-For: Bug #1004184 Control: fixed -1 gcc-14/14.1.0-1 I haven't yet confirmed that the output of an O1/O2 build is corrected when compiling on MIPS, but the relevant patches have arrived in gcc v14.1 and are packaged in Debian, so I'm updating the tags on this bug to record t