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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-05 20:00:38 +0200 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-05 20:00:38 +0200 |
| commit | 96049c939b1916d80532630d63c14e04d5244f1d (patch) | |
| tree | 7fb9df428f074078e714f1e038210cdff887185a /results/classifier/user-mode-bugs/1547 | |
| parent | 40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a (diff) | |
| download | qemu-analysis-96049c939b1916d80532630d63c14e04d5244f1d.tar.gz qemu-analysis-96049c939b1916d80532630d63c14e04d5244f1d.zip | |
lock user-mode and semantic-bugs
Diffstat (limited to 'results/classifier/user-mode-bugs/1547')
| -rw-r--r-- | results/classifier/user-mode-bugs/1547 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/results/classifier/user-mode-bugs/1547 b/results/classifier/user-mode-bugs/1547 new file mode 100644 index 000000000..f9f8da6aa --- /dev/null +++ b/results/classifier/user-mode-bugs/1547 @@ -0,0 +1,14 @@ + + +POWER9 emulation is broken when compiler optimizations are on (for gcc 11.3 and later) +Description of problem: +Comparing two floating point memory operands produces incorrect result +Steps to reproduce: +1. Unpack attached archive and change to test_p64 directory +2. Build the source file with: powerpc64le-linux-gnu-g++ -O2 -static test.cpp -o test_p64 +3. Run with QEMU: qemu-ppc64le -cpu POWER9 test_p64 > output.txt +4. Check the output text file output.txt (with pluma or any other text editor) to see the printouts +Additional information: +The pre-built binary and its output file are attached as test_p64.tar.gz[test_p64.tar.gz](/uploads/0e9dbc22e6841496efc15775e6aa624a/test_p64.tar.gz) + +The purpose of this report is to motivate the creation of a point release QEMU 6.2.1 for Ubuntu 22.04 LTS (which will be supported for years to come). Also cross-linking similar bug report for MIPS with exact same goal: https://gitlab.com/qemu-project/qemu/-/issues/1531 |