Apple ARM64 support

apps/benchmarks/PhaseFieldAllenCahn/multiphase_codegen.py

@@ -137,7 +137,7 @@ stream_hydro = create_lb_update_rule(stencil=stencil_hydro,
 # GENERATE SWEEPS #
 ###################
 
-cpu_vec = {'instruction_set': 'sse', 'assume_inner_stride_one': True, 'nontemporal': True}
+cpu_vec = {'assume_inner_stride_one': True, 'nontemporal': True}
 
 vp = [('int32_t', 'cudaBlockSize0'),
       ('int32_t', 'cudaBlockSize1')]

apps/showcases/PhaseFieldAllenCahn/CPU/multiphase_codegen.py

@@ -150,7 +150,7 @@ stream_hydro = create_lb_update_rule(stencil=stencil_hydro,
 ###################
 # GENERATE SWEEPS #
 ###################
-cpu_vec = {'instruction_set': 'sse', 'assume_inner_stride_one': True, 'nontemporal': True}
+cpu_vec = {'assume_inner_stride_one': True, 'nontemporal': True}
 
 vp = [('int32_t', 'cudaBlockSize0'),
       ('int32_t', 'cudaBlockSize1')]

tests/lbm/codegen/GeneratedOutflowBC.py

@@ -40,8 +40,6 @@ method = create_lb_method(**options)
 setter_assignments = macroscopic_values_setter(method, velocity=velocity_field.center_vector,
                                                pdfs=pdfs, density=1)
 
-# opt = {'instruction_set': 'sse', 'assume_aligned': True, 'nontemporal': False, 'assume_inner_stride_one': True}
-
 update_rule = create_lb_update_rule(lb_method=method, **options)
 
 info_header = f"""

tests/simd/CMakeLists.txt

@@ -8,7 +8,7 @@
 
 # builds the test
 
-if ( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_CLANG )
+if ( WALBERLA_CXX_COMPILER_IS_GNU OR (WALBERLA_CXX_COMPILER_IS_CLANG AND (NOT CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" OR NOT CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "arm64")) )
   set( MarchNativeString "-march=native" )
 endif()