diff options
Diffstat (limited to 'results/classifier/semantic-bugs/instruction/1832422')
| -rw-r--r-- | results/classifier/semantic-bugs/instruction/1832422 | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/results/classifier/semantic-bugs/instruction/1832422 b/results/classifier/semantic-bugs/instruction/1832422 deleted file mode 100644 index 39c39a63d..000000000 --- a/results/classifier/semantic-bugs/instruction/1832422 +++ /dev/null @@ -1,33 +0,0 @@ -instruction: 0.815 -device: 0.667 -network: 0.510 -socket: 0.486 -graphic: 0.457 -semantic: 0.453 -vnc: 0.413 -boot: 0.294 -other: 0.278 -mistranslation: 0.276 -assembly: 0.233 -KVM: 0.224 - -SSE CMP ops with 8bit immediate throw sigill with oversized byte - -The SSE comparison ops that use an 8bit immediate as a comparison type selector throws a sigill when the immediate is oversized. - -Test op that I found this on is here `66 0f c2 c0 d1 cmppd xmm0,xmm0,0xd1` -According to the x86-64 documentation only bits [2:0] are used for these ops (and [4:0] for the AVX variant) -Currently qemu just checks if the value is >=8 and will throw a sigill in that case. It instead needs to mask. - -I have a small patch that fixes the issue for the SSE variant. - - - - -This is an automated cleanup. This bug report has been moved to QEMU's -new bug tracker on gitlab.com and thus gets marked as 'expired' now. -Please continue with the discussion here: - - https://gitlab.com/qemu-project/qemu/-/issues/184 - - |