Re: arm64, valgrind floating point instruction produces different result

2024-06-27 Thread Bernhard Übelacker
Am 27.06.24 um 02:51 schrieb Bernhard Übelacker: So I guess the best would be to simply report it to the valgrind bug tracker now? And I did now create an upstream bug, sorry for the noise and thanks for reading. https://bugs.kde.org/show_bug.cgi?id=489338

Re: arm64, valgrind floating point instruction produces different result

2024-06-26 Thread Bernhard Übelacker
Am 26.06.24 um 21:31 schrieb Jeffrey Walton: Is there some knowledge about such an issue, or how to avoid this? [1071656] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1071656 I'm not sure if it matters, but Valgrind added support for the fcvtas using the following register types. See

Re: arm64, valgrind floating point instruction produces different result

2024-06-26 Thread Jeffrey Walton
On Wed, Jun 26, 2024 at 3:09 PM Bernhard Übelacker wrote: > > Hello list, > I was trying to do some debugging in bug [1071656]. > > But for some reason I receive with arm64 > in a process running with valgrind > and one without valgrind different results > from the following floating point instruc

arm64, valgrind floating point instruction produces different result

2024-06-26 Thread Bernhard Übelacker
Hello list, I was trying to do some debugging in bug [1071656]. But for some reason I receive with arm64 in a process running with valgrind and one without valgrind different results from the following floating point instruction: => 0x4948 : fcvtas w5, d8 With plain GDB: (gdb)