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Diffstat (limited to 'results/classifier/zero-shot-user-mode/instruction/1547')
| -rw-r--r-- | results/classifier/zero-shot-user-mode/instruction/1547 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/results/classifier/zero-shot-user-mode/instruction/1547 b/results/classifier/zero-shot-user-mode/instruction/1547 new file mode 100644 index 00000000..656dd3aa --- /dev/null +++ b/results/classifier/zero-shot-user-mode/instruction/1547 @@ -0,0 +1,18 @@ +instruction: 0.557 +runtime: 0.306 +syscall: 0.137 + + + +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 |