diff options
Diffstat (limited to 'gitlab/issues/target_arm/host_missing/accel_TCG/2089.toml')
| -rw-r--r-- | gitlab/issues/target_arm/host_missing/accel_TCG/2089.toml | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gitlab/issues/target_arm/host_missing/accel_TCG/2089.toml b/gitlab/issues/target_arm/host_missing/accel_TCG/2089.toml new file mode 100644 index 00000000..271a2cc5 --- /dev/null +++ b/gitlab/issues/target_arm/host_missing/accel_TCG/2089.toml @@ -0,0 +1,35 @@ +id = 2089 +title = "aarch64: incorrect emulation of sqshrn instruction" +state = "closed" +created_at = "2024-01-10T06:30:57.404Z" +closed_at = "2024-01-27T13:00:19.852Z" +labels = ["accel: TCG", "target: arm", "workflow::Patch available"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/2089" +host-os = "Debian" +host-arch = "x86_64" +qemu-version = "qemu-aarch64 version 8.1.2 (Debian 1:8.1.2+ds-1)" +guest-os = "same as host" +guest-arch = "aarch64" +description = """`sqshrn` instruction test fails with qemu-aarch64, but passes on real aarch64 hardware.""" +reproduce = """1. Build [inline_asm_tests](https://cs.android.com/android/platform/superproject/main/+/main:frameworks/libs/binary_translation/tests/inline_asm_tests/) and run with qemu-aarch64 +2. Observe two failures + +``` +[ RUN ] Arm64InsnTest.SignedSaturatingShiftRightNarrowInt16x1 +frameworks/libs/binary_translation/tests/inline_asm_tests/main_arm64.cc:6697: Failure +Expected equality of these values: + res1 + Which is: 4294967188 + MakeUInt128(0x94U, 0U) + Which is: 148 +[ FAILED ] Arm64InsnTest.SignedSaturatingShiftRightNarrowInt16x1 (5 ms) +[ RUN ] Arm64InsnTest.SignedSaturatingRoundingShiftRightNarrowInt16x1 +frameworks/libs/binary_translation/tests/inline_asm_tests/main_arm64.cc:6793: Failure +Expected equality of these values: + res3 + Which is: 4294967168 + MakeUInt128(0x0000000000000080ULL, 0x0000000000000000ULL) + Which is: 128 +[ FAILED ] Arm64InsnTest.SignedSaturatingRoundingShiftRightNarrowInt16x1 (2 ms) +```""" +additional = """[Direct link to SignedSaturatingShiftRightNarrowInt16x1 test source](https://cs.android.com/android/platform/superproject/main/+/main:frameworks/libs/binary_translation/tests/inline_asm_tests/main_arm64.cc;l=6692;drc=4ee2c3035fa5dc0b7a48b6c6dc498296be071861)""" |