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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-08 13:28:15 +0200 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-08 13:28:28 +0200 |
| commit | 5aa276efcbd67f4300ca1a7f809c6e00aadb03da (patch) | |
| tree | 9b8f0e074014cda8d42f5a97a95bc25082d8b764 /results/classifier/zero-shot-user-mode/instruction/799 | |
| parent | 1a3c4faf4e0a25ed0b86e8739d5319a634cb9112 (diff) | |
| download | qemu-analysis-5aa276efcbd67f4300ca1a7f809c6e00aadb03da.tar.gz qemu-analysis-5aa276efcbd67f4300ca1a7f809c6e00aadb03da.zip | |
restructure results
Diffstat (limited to 'results/classifier/zero-shot-user-mode/instruction/799')
| -rw-r--r-- | results/classifier/zero-shot-user-mode/instruction/799 | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/results/classifier/zero-shot-user-mode/instruction/799 b/results/classifier/zero-shot-user-mode/instruction/799 new file mode 100644 index 000000000..f37252798 --- /dev/null +++ b/results/classifier/zero-shot-user-mode/instruction/799 @@ -0,0 +1,53 @@ +instruction: 0.693 +runtime: 0.158 +syscall: 0.149 + + + +TCG Optimizer crashes on AArch64 SVE2 instruction +Description of problem: +QEMU crashes due to an assertion in the TCG optimizer when optimizing an SVE2 instruction: +``` +Unrecognized operation 145 in do_constant_folding. +../tcg/optimize.c:458: tcg fatal error +``` +Steps to reproduce: +1. Compile the following minimized reproducer: (a pre-compiled image is provided for convenience - [reproducer.img](/uploads/0bddbfac55306a297fee59dd2f6923cf/reproducer.img)) +```asm +.org 0x0 +entry: + mrs x1, cptr_el3 + orr x9, x1, #0x100 + msr cptr_el3, x9 + + msr cptr_el2, xzr + + mov x1, #0x3 + mrs x9, cpacr_el1 + bfi x9, x1, #16, #2 + bfi x9, x1, #20, #2 + msr cpacr_el1, x9 + + mov x9, 512 + mov x0, x9 + asr x0, x0, 7 + sub x9, x0, #1 + msr zcr_el1, x9 + + mov x9, 512 + mov x0, x9 + asr x0, x0, 7 + sub x9, x0, #1 + msr zcr_el2, x9 + + mov x9, 512 + mov x0, x9 + asr x0, x0, 7 + sub x9, x0, #1 + msr zcr_el3, x9 + + uqxtnt z11.s, z22.d +``` +2. Execute it using the command line given above. +Additional information: +I tested latest master as well, and the problem persists. |