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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
| commit | dee4dcba78baf712cab403d47d9db319ab7f95d6 (patch) | |
| tree | 418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/deepseek-r1:14b/reasoning/assembly/1435 | |
| parent | 4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff) | |
| download | qemu-analysis-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz qemu-analysis-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip | |
restructure results
Diffstat (limited to 'results/classifier/deepseek-r1:14b/reasoning/assembly/1435')
| -rw-r--r-- | results/classifier/deepseek-r1:14b/reasoning/assembly/1435 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:14b/reasoning/assembly/1435 b/results/classifier/deepseek-r1:14b/reasoning/assembly/1435 new file mode 100644 index 000000000..1c34d1026 --- /dev/null +++ b/results/classifier/deepseek-r1:14b/reasoning/assembly/1435 @@ -0,0 +1,15 @@ +<think> +Okay, I need to classify this bug report into one of the given categories: mistranslation, assembly lowering, other, device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor. + +Looking at the problem description, it's about `tcg_gen_mulu2_i32` causing infinite recursion on a 32-bit host. The issue arises because `tcg_gen_mulu2_i32` calls `tcg_gen_mul_i64`, which in turn calls back to `tcg_gen_mulu2_i32`. This creates an infinite loop, leading to a crash. + +The root cause is related to the TCG (Translation Common) code generator in QEMU. The function calls are misrouted because the necessary flags (`TCG_TARGET_HAS_mulu2_i32` and `TCG_TARGET_HAS_muluh_i32`) aren't properly checked at compile time. The current check only verifies if these flags are defined, not their actual values. + +This seems to be an issue with how the TCG handles function calls between different integer sizes (like 32-bit vs 64-bit operations). It's not a problem in user-mode assembly translation but rather within the code generation process itself. Since it's about function call chains leading to recursion, it doesn't fit into categories like graphic or network. + +The bug is more related to how QEMU generates and optimizes machine instructions during compilation, which falls under the 'assembly lowering' category. Assembly lowering involves converting higher-level operations (like in Intermediate Representation) into lower-level assembly code, ensuring that the generated code correctly maps to the target architecture without causing issues like infinite recursion. + +So, considering all this, the appropriate category for this bug report is 'assembly'. +</think> + +assembly \ No newline at end of file |