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Diffstat (limited to 'results/classifier/deepseek-1/reasoning/mistranslation/1668041')
| -rw-r--r-- | results/classifier/deepseek-1/reasoning/mistranslation/1668041 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/results/classifier/deepseek-1/reasoning/mistranslation/1668041 b/results/classifier/deepseek-1/reasoning/mistranslation/1668041 new file mode 100644 index 000000000..a7a03313c --- /dev/null +++ b/results/classifier/deepseek-1/reasoning/mistranslation/1668041 @@ -0,0 +1,17 @@ +<think> +Okay, so I need to classify this bug report for QEMU into one of the given categories. Let's see what the bug is about. + +The user describes an issue where QEMU doesn't correctly emulate x86 floating-point exceptions, such as when dividing by zero. They provided some links and examples showing that setting exception masks in the FPU control words doesn't trigger the expected exceptions on QEMU but works when using KVM, which relies on hardware support. + +Looking at the source code mentioned, helper_fdiv() sets the divide-by-zero bit but doesn't check if an exception should be raised based on the control words. This suggests that the problem lies in how QEMU handles FPU exceptions during emulation. + +The user also provided a test program that crashes with SIGFPE on real hardware but runs normally under QEMU, indicating that QEMU isn't generating the expected floating-point exceptions. + +The categories available include 'mistranslation', which refers to incorrect semantic mapping from source architecture to IR or target. Since the issue is about how QEMU handles FPU instructions and their exceptions during emulation, it's likely related to the translation layer not correctly implementing the exception handling logic. + +Other categories like 'network' or 'graphic' don't fit here since the problem isn't with networking or graphics but with CPU instruction handling. 'Device', 'hypervisor', and 'kernel' are also less relevant because the issue is specific to how QEMU emulates FPU operations, not hardware devices or OS interactions. + +So, considering that the bug relates to incorrect behavior in translating x86 instructions (specifically regarding FPU exceptions) into the target environment (QEMU's emulation), the most appropriate category is 'mistranslation'. +</think> + +mistranslation \ No newline at end of file |