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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-06 16:43:19 +0000 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-06 16:43:19 +0000 |
| commit | 238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd (patch) | |
| tree | cd8a1b75ba7b3543eb7fe6857f408e7be4d9fd0b /results/classifier/deepseek-r1:32b/reasoning/instruction/1370 | |
| parent | 96049c939b1916d80532630d63c14e04d5244f1d (diff) | |
| download | qemu-analysis-238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd.tar.gz qemu-analysis-238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd.zip | |
add results
Diffstat (limited to 'results/classifier/deepseek-r1:32b/reasoning/instruction/1370')
| -rw-r--r-- | results/classifier/deepseek-r1:32b/reasoning/instruction/1370 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:32b/reasoning/instruction/1370 b/results/classifier/deepseek-r1:32b/reasoning/instruction/1370 new file mode 100644 index 000000000..a3a285be1 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/instruction/1370 @@ -0,0 +1,21 @@ +<think> +Alright, so I need to figure out how to classify this bug report as part of QEMU. The issue is about x86 instructions BLSI and BLSR having different results compared to the CPU, specifically regarding the CF flag being opposite. + +First, let me understand what these instructions do. BLSI (Bitwise Logical Shift Left Immediate) and BLSR (Bitwise Logical Shift Right) are BMI1 (Bit Manipulation Instructions) introduced in Intel processors around 2013. They perform shifts on a register by an immediate value and also affect the carry flag (CF). + +The problem described is that when these instructions are run, the CF flag's result doesn't match what the CPU would produce. The user provided an example where compiling code using these instructions in assembly leads to incorrect CF values after execution. + +Now, looking at the possible categories for classification: instruction, syscall, runtime. I need to determine which one fits best. + +- **Instruction**: This category refers to bugs related to how specific CPU instructions are handled. If QEMU is not emulating BLSI and BLSR correctly, especially regarding flags like CF, this would fall under faulty instruction handling. + +- **Syscall**: This would involve issues with system calls, which isn't the case here since the problem is about assembly instructions, not interactions with the operating system's syscalls. + +- **Runtime**: This is broader and covers other runtime errors. However, since the issue is specific to how certain instructions are executed, it's more precise to classify it under instruction-related bugs. + +Given that the bug directly relates to the incorrect handling of BLSI and BLSR instructions and their effect on the carry flag, the most appropriate category is "instruction." The problem lies in how QEMU emulates these specific CPU operations, leading to discrepancies between the expected (CPU) and actual (QEMU) results. +</think> + +The bug pertains to incorrect handling of specific x86 instructions (BLSI and BLSR), particularly affecting the carry flag. This falls under faulty instruction emulation. + +instruction \ No newline at end of file |