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Diffstat (limited to 'results/classifier/deepseek-2-tmp/reasoning/mistranslation/1926277')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/reasoning/mistranslation/1926277 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2-tmp/reasoning/mistranslation/1926277 b/results/classifier/deepseek-2-tmp/reasoning/mistranslation/1926277 new file mode 100644 index 000000000..cc6b5679c --- /dev/null +++ b/results/classifier/deepseek-2-tmp/reasoning/mistranslation/1926277 @@ -0,0 +1,19 @@ +<think> +Okay, I'm trying to classify the given bug report into one of the provided categories for QEMU. Let me read through the problem carefully. + +The issue is about the MIPS MT dvpe instruction not regarding the VPEConf0.MVP bit. From what I understand, the problem arises in how QEMU handles this specific instruction. The user mentioned that according to the MIPS32 architecture documentation, when executing dvpe or evpe instructions, if the current VPE isn't a Master VPE (indicated by the MVP bit being set), then the EVP bit shouldn't be changed. + +Looking at the provided code snippet for helper_dvpe: + +The function iterates over all CPUs and modifies the CP0_MVPControl register for each CPU except the one executing dvpe. It clears the EVP bit regardless of whether the VPE is a Master or not, which seems incorrect because it should only do so if MVP isn't set. + +So, this is an issue in how the helper function handles the state based on certain bits (MVP). The problem lies in the translation or handling of the instruction's semantics. Specifically, the code doesn't check if the VPE is a Master before modifying the EVP bit. + +The possible categories are: mistranslation, assembly lowering, other, device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor. + +Mistranslation refers to incorrect semantic mapping from source architecture to target. Here, the helper function incorrectly maps the behavior of dvpe without considering the MVP bit as per the MIPS spec. So this falls under mistranslation because it's a mistake in how the instruction is handled or translated into the target (QEMU) code. + +I don't think it's assembly lowering since that would be about generating incorrect assembly from higher-level code, not an issue with handling instructions correctly during runtime. Other categories like device or network aren't relevant here as this is a CPU instruction handling issue. +</think> + +mistranslation \ No newline at end of file |