compiler: Add ICX support

Author: georgebisbas

devito/arch/compiler.py

@@ -515,6 +515,22 @@ def __lookup_cmds__(self):
         self.MPICXX = 'mpicxx'
 
 
+class ICXCompiler(Compiler):
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+        self.cflags += ['-Ofast', '-xHost', '-fiopenmp']
+
+    def __lookup_cmds__(self):
+        # OneAPI Base Kit comes with dpcpp/icpx, both are clang++,
+        # and icx, which is clang
+        self.CC = 'icx'
+        self.CXX = 'icpx'
+        self.MPICC = 'mpic++'
+        self.MPICXX = 'mpicxx'
+
+
 class PGICompiler(Compiler):
 
     def __init__(self, *args, **kwargs):
@@ -779,6 +795,7 @@ def __lookup_cmds__(self):
     'intel': IntelCompiler,
     'icpc': IntelCompiler,
     'icc': IntelCompiler,
+    'icx': ICXCompiler,
     'intel-knl': IntelKNLCompiler,
     'knl': IntelKNLCompiler,
     'dpcpp': DPCPPCompiler,