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Diffstat (limited to 'results/classifier/mode-deepseek-r1:32b/reasoning/system/1623')
| -rw-r--r-- | results/classifier/mode-deepseek-r1:32b/reasoning/system/1623 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/results/classifier/mode-deepseek-r1:32b/reasoning/system/1623 b/results/classifier/mode-deepseek-r1:32b/reasoning/system/1623 new file mode 100644 index 00000000..b832036e --- /dev/null +++ b/results/classifier/mode-deepseek-r1:32b/reasoning/system/1623 @@ -0,0 +1,17 @@ +<think> +Okay, so I'm trying to classify this bug report about QEMU based on the problem described. The user is having issues with Altivec support in Rust's stdarch crate. They mentioned that vec_lde and vec_expte are semi-randomly producing wrong results when compiling and running tests for `crates/core_arch`. However, using Valgrind or running on Power9 gives correct results. + +First, I need to understand what Altivec is. Altivec stands for AltiVec Technology, which is a vector extension for PowerPC processors. It's used for SIMD operations. The functions vec_lde and vec_expte are likely related to vector loads and extracts in this architecture. + +The user provided steps to reproduce the issue by installing Rust nightly, cloning stdarch, and compiling or running tests. The problem arises when using QEMU but not when using Valgrind or Power9 hardware. This suggests that the issue is specific to how QEMU emulates these vector operations. + +Now, classifying the bug into user-mode or system-mode. User-mode issues are related to application-level problems, while system-mode involves lower-level things like device emulation, privileged instructions, or operating system interactions. + +Since this problem is about Altivec support in QEMU's emulation of PowerPC, it seems to be a low-level issue with how the emulator handles vector operations. This would fall under how QEMU emulates the processor's instruction set and vector units, which are part of the system-mode because they involve CPU state and instructions that might require higher privileges or specific handling by the hypervisor or kernel. + +Valgrind works correctly, which is a user-space tool for memory debugging, but it's not relevant to hardware emulation. The fact that Power9 hardware also works correctly indicates that the issue isn't with Rust or stdarch itself but how QEMU is emulating these instructions. + +Therefore, this bug report is related to system-mode because it involves how QEMU handles vector operations in its emulator, which is a lower-level component of the system. +</think> + +system \ No newline at end of file |