From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 30 Oct 2021 10:35:07 +0000 (+0100)
Subject: add SimdScope.__call__ function needed to copy and adapt scope
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=985e52b0cd2764734f5b3781a1236af45086d61d;p=ieee754fpu.git

add SimdScope.__call__ function needed to copy and adapt scope
---

diff --git a/src/ieee754/part/simd_scope.py b/src/ieee754/part/simd_scope.py
index 680fea32..2f7e264d 100644
--- a/src/ieee754/part/simd_scope.py
+++ b/src/ieee754/part/simd_scope.py
@@ -66,6 +66,19 @@ class SimdScope:
         if module is not None:
             module._setAstTypeCastFn(SimdSignal.cast)
 
+    def __call__(self, module=None, elwid=None):
+        """use as: newscope = scope(newmodule) or with scope(m) as newscope
+        allows for scope to be established and carry parameters then
+        later copied and used inside an Elaboratable.  a new elwid
+        can be specified so that pipelines can carry properly sync'd
+        elwid signals
+        """
+        if elwid is None:
+            elwid = self.elwid
+        if module is None:
+            module = self.module
+        return SimdScope(module, elwid, self.vec_el_counts, self.scalar)
+
     def __repr__(self):
         return (f"SimdScope(\n"
                 f"        elwid={self.elwid},\n"