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Diffstat (limited to 'results/classifier/qwen3:32b/reasoning/instruction/2318')
| -rw-r--r-- | results/classifier/qwen3:32b/reasoning/instruction/2318 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/results/classifier/qwen3:32b/reasoning/instruction/2318 b/results/classifier/qwen3:32b/reasoning/instruction/2318 new file mode 100644 index 00000000..c52fe69a --- /dev/null +++ b/results/classifier/qwen3:32b/reasoning/instruction/2318 @@ -0,0 +1,11 @@ +<think> +Okay, let's see. The user is reporting an issue with the SH4 SUBV instruction in QEMU. The problem is that the underflow isn't being detected properly. The test case shows that on real hardware, the 'c' variable gets 0x1, but in QEMU it's 0x0. + +The SUBV instruction subtracts Rm from Rn and stores the result in Rn. If there's an underflow, the T bit is set. The MOVt instruction moves the T bit to the destination register. So, in the test case, after SUBV, if there's an underflow, the T bit should be set, making 'c' 1. Otherwise, it's 0. + +In the real hardware, the output is c=0x1, meaning the underflow was detected. But QEMU gives c=0x0, meaning it didn't detect the underflow. So the problem is that QEMU's emulation of the SUBV instruction isn't setting the T bit correctly when an underflow occurs. + +This is definitely an issue with the instruction emulation. The options are instruction, syscall, or runtime. Since it's a specific instruction's behavior that's incorrect, the category should be 'instruction'. +</think> + +instruction \ No newline at end of file |