From: Sebastien Bourdeauducq <sebastien@milkymist.org>
Date: Fri, 13 Jul 2012 18:21:04 +0000 (+0200)
Subject: corelogic/ReorderBuffer: do not touch empty count when issuing and reading at the... 
X-Git-Tag: 24jan2021_ls180~2099^2~858
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=30f1e77c1889dec9444443521cc65f1631c9f083;p=litex.git

corelogic/ReorderBuffer: do not touch empty count when issuing and reading at the same time
---

diff --git a/migen/corelogic/buffers.py b/migen/corelogic/buffers.py
index b788a34f..96d13aff 100644
--- a/migen/corelogic/buffers.py
+++ b/migen/corelogic/buffers.py
@@ -77,4 +77,11 @@ class ReorderBuffer:
 			)
 		]
 		
-		return Fragment(comb, sync)
\ No newline at end of file
+		# do not touch empty count when issuing and reading at the same time
+		sync += [
+			If(self.issue & self.can_issue & self.read & self.can_read,
+				self._empty_count.eq(self._empty_count)
+			)
+		]
+		
+		return Fragment(comb, sync)