diff options
Diffstat (limited to 'gitlab/issues/target_i386/host_missing/accel_TCG/1373.toml')
| -rw-r--r-- | gitlab/issues/target_i386/host_missing/accel_TCG/1373.toml | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gitlab/issues/target_i386/host_missing/accel_TCG/1373.toml b/gitlab/issues/target_i386/host_missing/accel_TCG/1373.toml new file mode 100644 index 000000000..491e61426 --- /dev/null +++ b/gitlab/issues/target_i386/host_missing/accel_TCG/1373.toml @@ -0,0 +1,28 @@ +id = 1373 +title = "x86 ADOX and ADCX semantic bug" +state = "closed" +created_at = "2022-12-16T06:58:59.266Z" +closed_at = "2023-02-24T15:06:58.959Z" +labels = ["Closed::Fixed", "accel: TCG", "target: i386"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/1373" +host-os = "Windows 10 20H2" +host-arch = "x86" +qemu-version = "7.1.90 (v7.2.0-rc0)" +guest-os = "None" +guest-arch = "x86" +description = """The result of instruction ADOX and ADCX are different from the CPU. The value of one of EFLAGS is different.""" +reproduce = """1. Compile this code +``` +void main() { + asm("push 512; popfq;"); + asm("mov rax, 0xffffffff84fdbf24"); + asm("mov rbx, 0xb197d26043bec15d"); + asm("adox eax, ebx"); +} +``` +2. Execute and compare the result with the CPU. This problem happens with ADCX, too (with CF). + - CPU + - OF = 0 + - QEMU + - OF = 1""" +additional = """This bug is discovered by research conducted by KAIST SoftSec.""" |