[SYCL][ESIMD][EMU] LSC Atomic update for emulator backend (#1274)

* [SYCL][ESIMD][EMU] LSC Atomic update for emulator backend

- Argument order fix for cmpxchg
- Enabling lsc_fence.cpp test
* UNSUPPORTED for esimd_emulator due to random timeout

Author: dongkyunahn-intel

SYCL/ESIMD/dword_atomic_cmpxchg.cpp

@@ -9,8 +9,8 @@
 //===----------------------------------------------------------------------===//
 // REQUIRES: gpu
 // UNSUPPORTED: cuda || hip
-// TODO: esimd_emulator fails due to unsupported __esimd_svm_atomic0/1/2
-// XFAIL: esimd_emulator
+// TODO: esimd_emulator fails due to random timeouts (_XFAIL_: esimd_emulator)
+// UNSUPPORTED: esimd_emulator
 // RUN: %clangxx -fsycl %s -o %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 

SYCL/ESIMD/dword_atomic_smoke.cpp

@@ -9,8 +9,6 @@
 //===----------------------------------------------------------------------===//
 // REQUIRES: gpu
 // UNSUPPORTED: cuda || hip
-// TODO: esimd_emulator fails due to unsupported __esimd_svm_atomic0/1/2
-// XFAIL: esimd_emulator
 // RUN: %clangxx -fsycl %s -o %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 

SYCL/ESIMD/lsc/atomic_cmpxchg.cpp

@@ -8,8 +8,8 @@
 // This test checks LSC compare-and-exchange atomic operations.
 //===----------------------------------------------------------------------===//
 // REQUIRES: gpu-intel-pvc
-// TODO: esimd_emulator fails due to unsupported __esimd_svm_atomic0/1/2
-// XFAIL: esimd_emulator
+// TODO: esimd_emulator fails due to random timeouts (_XFAIL_: esimd_emulator)
+// UNSUPPORTED: esimd_emulator
 // RUN: %clangxx -fsycl %s -o %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 

SYCL/ESIMD/lsc/atomic_smoke.cpp

@@ -8,8 +8,8 @@
 // This test checks LSC atomic operations.
 //===----------------------------------------------------------------------===//
 // REQUIRES: gpu-intel-pvc
-// TODO: esimd_emulator fails due to unsupported __esimd_svm_atomic0/1/2
-// XFAIL: esimd_emulator
+// TODO: esimd_emulator fails due to random timeouts (_XFAIL_: esimd_emulator)
+// UNSUPPORTED: esimd_emulator
 // RUN: %clangxx -fsycl %s -o %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 

SYCL/ESIMD/lsc/lsc_fence.cpp

@@ -5,7 +5,7 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
-// REQUIRES: gpu-intel-pvc
+// REQUIRES: gpu-intel-pvc || esimd_emulator
 // UNSUPPORTED: cuda || hip
 // RUN: %clangxx -fsycl %s -o %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out