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Diffstat (limited to 'results/classifier/deepseek-2/reasoning/mistranslation/2865')
| -rw-r--r-- | results/classifier/deepseek-2/reasoning/mistranslation/2865 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2/reasoning/mistranslation/2865 b/results/classifier/deepseek-2/reasoning/mistranslation/2865 new file mode 100644 index 000000000..eef5ae855 --- /dev/null +++ b/results/classifier/deepseek-2/reasoning/mistranslation/2865 @@ -0,0 +1,19 @@ +<think> +Okay, so I need to classify this bug report for QEMU into one of the given categories. Let me read through the problem carefully. + +The user provided a C++ program that uses some intrinsic functions from lasxintrin.h and llsxintrin.h. The main function calls __lasx_xvldi with -3832, which is supposed to create a vector. When run on real hardware, it outputs a specific pattern of 0x800 repeated across the array. However, when running under QEMU, the output is different—it alternates between 0x8000800 and zeros in each position. + +Looking at the provided code snippet from trans_vec.c.inc, there's an issue with how data is being constructed in case 1. The current code shifts 't' by 24 bits and then ORs it with t shifted by 8 bits. But according to the user, this should be (t << (8+32)) | (t << 8) instead. + +The problem seems to stem from how QEMU is translating the 'xvldi' instruction for LoongArch64. The 'xvldi' is an intrinsic that loads a scalar into a vector, and it looks like there's a mistake in how the data is being replicated or shifted during this translation. + +So, thinking about the categories: Mistranslation refers to incorrect mapping from source architecture to IR/target, which would happen in user-mode assembly. Since QEMU is involved with translating instructions (like for virtualization), and the issue is in the instruction translation (specifically in the vec.c.inc file), this fits under 'mistranslation'. + +Other categories like network or device issues don't apply here because it's about vector operations and instruction handling, not I/O or hardware devices. Therefore, the correct category should be 'mistranslation'. +</think> + +The bug is related to incorrect translation of the `xvldi` instruction in QEMU for LoongArch64, which falls under the category of mistranslation. + +**Answer:** + +mistranslation \ No newline at end of file |