From: Christopher Lu <lu@stop.hsd1.pa.comcast.net>
Date: Mon, 5 Jan 2009 09:44:42 +0000 (-0500)
Subject: execute: do stuff only if bubble, still incorrect
X-Git-Url: http://git.joshuawise.com/firearm.git/commitdiff_plain/f8bf38caa402400c5063dc97da9e810c5d9d7ec5

execute: do stuff only if bubble, still incorrect
---

diff --git a/Execute.v b/Execute.v
index cefc4ef..4e3f44f 100644
--- a/Execute.v
+++ b/Execute.v
@@ -163,13 +163,15 @@ module Execute(
 		begin end
 		`DECODE_BRANCH:
 		begin
-			jmppc = pc + op0 + 32'h8;
-			if(insn[24]) begin
-				next_write_reg = 1;
-				next_write_num = 4'hE; /* link register */
-				next_write_data = pc + 32'h4;
+			if(!prevstall && !inbubble) begin
+				jmppc = pc + op0 + 32'h8;
+				if(insn[24]) begin
+					next_write_reg = 1;
+					next_write_num = 4'hE; /* link register */
+					next_write_data = pc + 32'h4;
+				end
+				jmp = 1'b1;
 			end
-			jmp = 1'b1;
 		end                     /* Branch */
 		`DECODE_LDCSTC,		/* Coprocessor data transfer */
 		`DECODE_CDP,		/* Coprocessor data op */