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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues/target_i386/host_missing/accel_TCG/2175.toml | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | emulator-bug-study-9260319e7411ff8281700a532caa436f40120ec4.tar.gz emulator-bug-study-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues/target_i386/host_missing/accel_TCG/2175.toml')
| -rw-r--r-- | gitlab/issues/target_i386/host_missing/accel_TCG/2175.toml | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/gitlab/issues/target_i386/host_missing/accel_TCG/2175.toml b/gitlab/issues/target_i386/host_missing/accel_TCG/2175.toml deleted file mode 100644 index 283cf6c4..00000000 --- a/gitlab/issues/target_i386/host_missing/accel_TCG/2175.toml +++ /dev/null @@ -1,46 +0,0 @@ -id = 2175 -title = "Intel BLSI CF computation bug" -state = "closed" -created_at = "2024-02-19T05:00:51.360Z" -closed_at = "2024-08-21T05:08:10.856Z" -labels = ["Closed::Fixed", "accel: TCG", "target: i386"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2175" -host-os = "Ubuntu 23.10" -host-arch = "x86_64" -qemu-version = "qemu-x86_64 version 8.2.1" -guest-os = "None" -guest-arch = "x86_64" -description = """CF flag computation of BLSI instruction is wrong. It seems #1370 was not completely fixed.""" -reproduce = """1. Compile `example.c` using this command: `gcc -o example.bin example.c`. My gcc version is 12.3.0, but other versions may work. -``` -int main() { - __asm__ ( - "movq $0x1, %r8\\n" - "mov $0xedbf530a, %r9\\n" - "push $0x1\\n" - "popf\\n" - "blsi %r9d, %r8d\\n" - "pushf\\n" - "pop %rax\\n" - "pop %rbp\\n" - "ret\\n" - ); - - return 0; -} -``` -2. Run `./example.bin`. Then check the return code using `echo $?`. It should be 3. -``` -$ ./example.bin -$ echo $? -3 -``` -3. Run `./qemu-x86_64 ./example.bin`. Then check the return code using `echo $?`. It should be 2. -``` -$ ./qemu-x86_64 ./example.bin -$ echo $? -2 -``` - -The return code of `./example.bin` contains the value of the `RFLAGS` register after executing the `BLSI` instruction.""" -additional = """""" |
