WIP: Assembly

Adds the functionality to directly show the assembly output of the generated code.

Further, the base pointer specification is revealed to the user which is helpful to minimize register spilling in some cases.

pystencils/backends/cbackend.py

@@ -641,7 +641,6 @@ class VectorizedCustomSympyPrinter(CustomSympyPrinter):
                 else:
                     func = self.instruction_set['+']
                     return func.format(visit(summands[:elements]), visit(summands[elements:]))
-
         try:
             result = self._scalarFallback('_print_Add', expr)
         except Exception:
@@ -678,15 +677,9 @@ class VectorizedCustomSympyPrinter(CustomSympyPrinter):
         assert len(summands) >= 2
         processed = summands[0].term
         for summand in summands[1:]:
-            func = self.instruction_set['-'] if summand.sign == -1 else self.instruction_set['+']
+            func = self.instruction_set['-' + suffix] if summand.sign == -1 else self.instruction_set['+' + suffix]
             processed = func.format(processed, summand.term)
-        if len(summands) < 10:
-            processed = summands[0].term
-            for summand in summands[1:]:
-                func = self.instruction_set['-'] if summand.sign == -1 else self.instruction_set['+']
-                processed = func.format(processed, summand.term)
-        else:
-            processed = visit(summands)
+        return processed
 
     def _print_Pow(self, expr):
         result = self._scalarFallback('_print_Pow', expr)