From: Jacob Lifshay <programmerjake@gmail.com>
Date: Tue, 15 Mar 2022 05:24:12 +0000 (-0700)
Subject: move pack/unpack_poly to separate file
X-Git-Tag: opf_rfc_ls005_v1~3056
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7178a60fc9b8079c2e85976547f3739c62dc7ae5;p=libreriscv.git

move pack/unpack_poly to separate file
---

diff --git a/openpower/sv/bitmanip.mdwn b/openpower/sv/bitmanip.mdwn
index 75703e79e..6ce42a991 100644
--- a/openpower/sv/bitmanip.mdwn
+++ b/openpower/sv/bitmanip.mdwn
@@ -533,23 +533,7 @@ instruction is not provided since the `xor[i]` instruction can be used instead.
 These are operations on polynomials with coefficients in `GF(2)`, with the
 polynomial's coefficients packed into integers with the following algorithm:
 
-```python
-def pack_poly(poly):
-    """`poly` is a list where `poly[i]` is the coefficient for `x ** i`"""
-    retval = 0
-    for i, v in enumerate(poly):
-        retval |= v << i
-    return retval
-
-def unpack_poly(v):
-    """returns a list `poly`, where `poly[i]` is the coefficient for `x ** i`.
-    """
-    poly = []
-    while v != 0:
-        poly.append(v & 1)
-        v >>= 1
-    return poly
-```
+[[!inline pagenames="openpower/sv/bitmanip/pack_poly.py" raw="true" feeds="no" actions="yes"]]
 
 ## Carry-less Multiply Instructions
 
diff --git a/openpower/sv/bitmanip/pack_poly.py b/openpower/sv/bitmanip/pack_poly.py
new file mode 100644
index 000000000..f5ab64467
--- /dev/null
+++ b/openpower/sv/bitmanip/pack_poly.py
@@ -0,0 +1,19 @@
+"""Polynomials with GF(2) coefficients."""
+
+
+def pack_poly(poly):
+    """`poly` is a list where `poly[i]` is the coefficient for `x ** i`"""
+    retval = 0
+    for i, v in enumerate(poly):
+        retval |= v << i
+    return retval
+
+
+def unpack_poly(v):
+    """returns a list `poly`, where `poly[i]` is the coefficient for `x ** i`.
+    """
+    poly = []
+    while v != 0:
+        poly.append(v & 1)
+        v >>= 1
+    return poly