From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 19 Jul 2019 10:29:25 +0000 (+0100)
Subject: add an operator class for signed/unsigned
X-Git-Tag: ls180-24jan2020~810
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4c3d7e01912d87b152dd7ef20bfdbf3b1946348a;p=ieee754fpu.git

add an operator class for signed/unsigned
---

diff --git a/src/ieee754/fcvt/pipeline.py b/src/ieee754/fcvt/pipeline.py
index 5487aa65..c22f9fbf 100644
--- a/src/ieee754/fcvt/pipeline.py
+++ b/src/ieee754/fcvt/pipeline.py
@@ -28,6 +28,13 @@ from nmutil.singlepipe import SimpleHandshake, StageChain
 from ieee754.fpcommon.fpbase import FPState
 from ieee754.pipeline import PipelineSpec
 
+class SignedOp:
+    def __init__(self):
+        self.signed = Signal(reset_less=True)
+
+    def eq(self, i):
+        return [self.signed.eq(i)]
+
 
 class FPCVTIntToFloatMod(Elaboratable):
     """ FP integer conversion: copes with 16/32/64 int to 16/32/64 fp.